1*4882a593Smuzhiyun /* SPDX-License-Identifier: GPL-2.0-only */ 2*4882a593Smuzhiyun /** 3*4882a593Smuzhiyun 4*4882a593Smuzhiyun AudioScience HPI driver 5*4882a593Smuzhiyun Copyright (C) 1997-2014 AudioScience Inc. <support@audioscience.com> 6*4882a593Smuzhiyun 7*4882a593Smuzhiyun 8*4882a593Smuzhiyun */ 9*4882a593Smuzhiyun 10*4882a593Smuzhiyun struct hpi_adapter_obj; 11*4882a593Smuzhiyun 12*4882a593Smuzhiyun /* a function that takes an adapter obj and returns an int */ 13*4882a593Smuzhiyun typedef int adapter_int_func(struct hpi_adapter_obj *pao, u32 message); 14*4882a593Smuzhiyun 15*4882a593Smuzhiyun #define HPI_IRQ_NONE (0) 16*4882a593Smuzhiyun #define HPI_IRQ_MESSAGE (1) 17*4882a593Smuzhiyun #define HPI_IRQ_MIXER (2) 18*4882a593Smuzhiyun 19*4882a593Smuzhiyun struct hpi_adapter_obj { 20*4882a593Smuzhiyun struct hpi_pci pci; /* PCI info - bus#,dev#,address etc */ 21*4882a593Smuzhiyun u16 type; /* 0x6644 == ASI6644 etc */ 22*4882a593Smuzhiyun u16 index; 23*4882a593Smuzhiyun 24*4882a593Smuzhiyun struct hpios_spinlock dsp_lock; 25*4882a593Smuzhiyun 26*4882a593Smuzhiyun u16 dsp_crashed; 27*4882a593Smuzhiyun u16 has_control_cache; 28*4882a593Smuzhiyun void *priv; 29*4882a593Smuzhiyun adapter_int_func *irq_query_and_clear; 30*4882a593Smuzhiyun struct hpi_hostbuffer_status *instream_host_buffer_status; 31*4882a593Smuzhiyun struct hpi_hostbuffer_status *outstream_host_buffer_status; 32*4882a593Smuzhiyun }; 33*4882a593Smuzhiyun 34*4882a593Smuzhiyun struct hpi_control_cache { 35*4882a593Smuzhiyun /** indicates whether the structures are initialized */ 36*4882a593Smuzhiyun u16 init; 37*4882a593Smuzhiyun u16 adap_idx; 38*4882a593Smuzhiyun u32 control_count; 39*4882a593Smuzhiyun u32 cache_size_in_bytes; 40*4882a593Smuzhiyun /** pointer to allocated memory of lookup pointers. */ 41*4882a593Smuzhiyun struct hpi_control_cache_info **p_info; 42*4882a593Smuzhiyun /** pointer to DSP's control cache. */ 43*4882a593Smuzhiyun u8 *p_cache; 44*4882a593Smuzhiyun }; 45*4882a593Smuzhiyun 46*4882a593Smuzhiyun struct hpi_adapter_obj *hpi_find_adapter(u16 adapter_index); 47*4882a593Smuzhiyun 48*4882a593Smuzhiyun u16 hpi_add_adapter(struct hpi_adapter_obj *pao); 49*4882a593Smuzhiyun 50*4882a593Smuzhiyun void hpi_delete_adapter(struct hpi_adapter_obj *pao); 51*4882a593Smuzhiyun 52*4882a593Smuzhiyun short hpi_check_control_cache(struct hpi_control_cache *pC, 53*4882a593Smuzhiyun struct hpi_message *phm, struct hpi_response *phr); 54*4882a593Smuzhiyun 55*4882a593Smuzhiyun short hpi_check_control_cache_single(struct hpi_control_cache_single *pC, 56*4882a593Smuzhiyun struct hpi_message *phm, struct hpi_response *phr); 57*4882a593Smuzhiyun 58*4882a593Smuzhiyun struct hpi_control_cache *hpi_alloc_control_cache(const u32 59*4882a593Smuzhiyun number_of_controls, const u32 size_in_bytes, u8 *pDSP_control_buffer); 60*4882a593Smuzhiyun 61*4882a593Smuzhiyun void hpi_free_control_cache(struct hpi_control_cache *p_cache); 62*4882a593Smuzhiyun 63*4882a593Smuzhiyun void hpi_cmn_control_cache_sync_to_msg(struct hpi_control_cache *pC, 64*4882a593Smuzhiyun struct hpi_message *phm, struct hpi_response *phr); 65*4882a593Smuzhiyun 66*4882a593Smuzhiyun void hpi_cmn_control_cache_sync_to_msg_single(struct hpi_control_cache_single 67*4882a593Smuzhiyun *pC, struct hpi_message *phm, struct hpi_response *phr); 68*4882a593Smuzhiyun 69*4882a593Smuzhiyun u16 hpi_validate_response(struct hpi_message *phm, struct hpi_response *phr); 70*4882a593Smuzhiyun 71*4882a593Smuzhiyun hpi_handler_func HPI_COMMON; 72