diff options
Diffstat (limited to 'sound/pci/asihpi/hpicmn.h')
| -rw-r--r-- | sound/pci/asihpi/hpicmn.h | 82 |
1 files changed, 82 insertions, 0 deletions
diff --git a/sound/pci/asihpi/hpicmn.h b/sound/pci/asihpi/hpicmn.h new file mode 100644 index 000000000..46629c2d1 --- /dev/null +++ b/sound/pci/asihpi/hpicmn.h @@ -0,0 +1,82 @@ +/** + + AudioScience HPI driver + Copyright (C) 1997-2014 AudioScience Inc. <support@audioscience.com> + + 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 + +*/ + +struct hpi_adapter_obj; + +/* a function that takes an adapter obj and returns an int */ +typedef int adapter_int_func(struct hpi_adapter_obj *pao, u32 message); + +#define HPI_IRQ_NONE (0) +#define HPI_IRQ_MESSAGE (1) +#define HPI_IRQ_MIXER (2) + +struct hpi_adapter_obj { + struct hpi_pci pci; /* PCI info - bus#,dev#,address etc */ + u16 type; /* 0x6644 == ASI6644 etc */ + u16 index; + + struct hpios_spinlock dsp_lock; + + u16 dsp_crashed; + u16 has_control_cache; + void *priv; + adapter_int_func *irq_query_and_clear; + struct hpi_hostbuffer_status *instream_host_buffer_status; + struct hpi_hostbuffer_status *outstream_host_buffer_status; +}; + +struct hpi_control_cache { + /** indicates whether the structures are initialized */ + u16 init; + u16 adap_idx; + u32 control_count; + u32 cache_size_in_bytes; + /** pointer to allocated memory of lookup pointers. */ + struct hpi_control_cache_info **p_info; + /** pointer to DSP's control cache. */ + u8 *p_cache; +}; + +struct hpi_adapter_obj *hpi_find_adapter(u16 adapter_index); + +u16 hpi_add_adapter(struct hpi_adapter_obj *pao); + +void hpi_delete_adapter(struct hpi_adapter_obj *pao); + +short hpi_check_control_cache(struct hpi_control_cache *pC, + struct hpi_message *phm, struct hpi_response *phr); + +short hpi_check_control_cache_single(struct hpi_control_cache_single *pC, + struct hpi_message *phm, struct hpi_response *phr); + +struct hpi_control_cache *hpi_alloc_control_cache(const u32 + number_of_controls, const u32 size_in_bytes, u8 *pDSP_control_buffer); + +void hpi_free_control_cache(struct hpi_control_cache *p_cache); + +void hpi_cmn_control_cache_sync_to_msg(struct hpi_control_cache *pC, + struct hpi_message *phm, struct hpi_response *phr); + +void hpi_cmn_control_cache_sync_to_msg_single(struct hpi_control_cache_single + *pC, struct hpi_message *phm, struct hpi_response *phr); + +u16 hpi_validate_response(struct hpi_message *phm, struct hpi_response *phr); + +hpi_handler_func HPI_COMMON; |