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Based on 1 normalized pattern(s): this program is free software you can redistribute it and or modify it under the terms of version 2 of the gnu general public license as published by the free software foundation this program is distributed in the hope that it will be useful but without any warranty without even the implied warranty of merchantability or fitness for a particular purpose see the gnu general public license for more details you should have received a copy of the gnu general public license along with this program if not write to the free software foundation inc 59 temple place suite 330 boston ma 02111 1307 usa extracted by the scancode license scanner the SPDX license identifier GPL-2.0-only has been chosen to replace the boilerplate/reference in 24 file(s). Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Reviewed-by: Richard Fontana <rfontana@redhat.com> Reviewed-by: Alexios Zavras <alexios.zavras@intel.com> Reviewed-by: Allison Randal <allison@lohutok.net> Cc: linux-spdx@vger.kernel.org Link: https://lkml.kernel.org/r/20190529141334.606756275@linutronix.de Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
72 lines
2.0 KiB
C
72 lines
2.0 KiB
C
/* SPDX-License-Identifier: GPL-2.0-only */
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/**
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AudioScience HPI driver
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Copyright (C) 1997-2014 AudioScience Inc. <support@audioscience.com>
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*/
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struct hpi_adapter_obj;
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/* a function that takes an adapter obj and returns an int */
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typedef int adapter_int_func(struct hpi_adapter_obj *pao, u32 message);
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#define HPI_IRQ_NONE (0)
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#define HPI_IRQ_MESSAGE (1)
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#define HPI_IRQ_MIXER (2)
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struct hpi_adapter_obj {
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struct hpi_pci pci; /* PCI info - bus#,dev#,address etc */
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u16 type; /* 0x6644 == ASI6644 etc */
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u16 index;
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struct hpios_spinlock dsp_lock;
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u16 dsp_crashed;
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u16 has_control_cache;
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void *priv;
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adapter_int_func *irq_query_and_clear;
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struct hpi_hostbuffer_status *instream_host_buffer_status;
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struct hpi_hostbuffer_status *outstream_host_buffer_status;
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};
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struct hpi_control_cache {
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/** indicates whether the structures are initialized */
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u16 init;
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u16 adap_idx;
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u32 control_count;
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u32 cache_size_in_bytes;
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/** pointer to allocated memory of lookup pointers. */
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struct hpi_control_cache_info **p_info;
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/** pointer to DSP's control cache. */
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u8 *p_cache;
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};
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struct hpi_adapter_obj *hpi_find_adapter(u16 adapter_index);
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u16 hpi_add_adapter(struct hpi_adapter_obj *pao);
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void hpi_delete_adapter(struct hpi_adapter_obj *pao);
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short hpi_check_control_cache(struct hpi_control_cache *pC,
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struct hpi_message *phm, struct hpi_response *phr);
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short hpi_check_control_cache_single(struct hpi_control_cache_single *pC,
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struct hpi_message *phm, struct hpi_response *phr);
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struct hpi_control_cache *hpi_alloc_control_cache(const u32
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number_of_controls, const u32 size_in_bytes, u8 *pDSP_control_buffer);
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void hpi_free_control_cache(struct hpi_control_cache *p_cache);
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void hpi_cmn_control_cache_sync_to_msg(struct hpi_control_cache *pC,
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struct hpi_message *phm, struct hpi_response *phr);
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void hpi_cmn_control_cache_sync_to_msg_single(struct hpi_control_cache_single
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*pC, struct hpi_message *phm, struct hpi_response *phr);
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u16 hpi_validate_response(struct hpi_message *phm, struct hpi_response *phr);
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hpi_handler_func HPI_COMMON;
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