projects / deliverable / linux.git / blame
| Commit | Line | Data |
|---|---|---|
| 719f82d3 EB |
1 | /** |
| 2 | ||
| 3 | AudioScience HPI driver | |
| f9a376c3 | 4 | Copyright (C) 1997-2014 AudioScience Inc. <support@audioscience.com> |
| 719f82d3 EB |
5 | |
| 6 | This program is free software; you can redistribute it and/or modify | |
| 7 | it under the terms of version 2 of the GNU General Public License as | |
| 8 | published by the Free Software Foundation; | |
| 9 | ||
| 10 | This program is distributed in the hope that it will be useful, | |
| 11 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 12 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
| 13 | GNU General Public License for more details. | |
| 14 | ||
| 15 | You should have received a copy of the GNU General Public License | |
| 16 | along with this program; if not, write to the Free Software | |
| 17 | Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA | |
| 18 | ||
| 19 | */ | |
| 20 | ||
| 7036b92d EB |
21 | struct hpi_adapter_obj; |
| 22 | ||
| 23 | /* a function that takes an adapter obj and returns an int */ | |
| f9a376c3 EB |
24 | typedef int adapter_int_func(struct hpi_adapter_obj *pao, u32 message); |
| 25 | ||
| 26 | #define HPI_IRQ_NONE (0) | |
| 27 | #define HPI_IRQ_MESSAGE (1) | |
| 28 | #define HPI_IRQ_MIXER (2) | |
| 7036b92d | 29 | |
| 719f82d3 EB |
30 | struct hpi_adapter_obj { |
| 31 | struct hpi_pci pci; /* PCI info - bus#,dev#,address etc */ | |
| 7036b92d EB |
32 | u16 type; /* 0x6644 == ASI6644 etc */ |
| 33 | u16 index; | |
| 719f82d3 EB |
34 | |
| 35 | struct hpios_spinlock dsp_lock; | |
| 36 | ||
| 37 | u16 dsp_crashed; | |
| 38 | u16 has_control_cache; | |
| 39 | void *priv; | |
| f9a376c3 EB |
40 | adapter_int_func *irq_query_and_clear; |
| 41 | struct hpi_hostbuffer_status *instream_host_buffer_status; | |
| 42 | struct hpi_hostbuffer_status *outstream_host_buffer_status; | |
| 719f82d3 EB |
43 | }; |
| 44 | ||
| 45 | struct hpi_control_cache { | |
| 4704998e EB |
46 | /** indicates whether the structures are initialized */ |
| 47 | u16 init; | |
| ffdb5787 | 48 | u16 adap_idx; |
| 719f82d3 EB |
49 | u32 control_count; |
| 50 | u32 cache_size_in_bytes; | |
| 4704998e EB |
51 | /** pointer to allocated memory of lookup pointers. */ |
| 52 | struct hpi_control_cache_info **p_info; | |
| 53 | /** pointer to DSP's control cache. */ | |
| 54 | u8 *p_cache; | |
| 719f82d3 EB |
55 | }; |
| 56 | ||
| 57 | struct hpi_adapter_obj *hpi_find_adapter(u16 adapter_index); | |
| 1d595d2a | 58 | |
| 719f82d3 EB |
59 | u16 hpi_add_adapter(struct hpi_adapter_obj *pao); |
| 60 | ||
| 61 | void hpi_delete_adapter(struct hpi_adapter_obj *pao); | |
| 62 | ||
| 63 | short hpi_check_control_cache(struct hpi_control_cache *pC, | |
| 64 | struct hpi_message *phm, struct hpi_response *phr); | |
| f9a376c3 EB |
65 | |
| 66 | short hpi_check_control_cache_single(struct hpi_control_cache_single *pC, | |
| 67 | struct hpi_message *phm, struct hpi_response *phr); | |
| 68 | ||
| 719f82d3 | 69 | struct hpi_control_cache *hpi_alloc_control_cache(const u32 |
| 3285ea10 | 70 | number_of_controls, const u32 size_in_bytes, u8 *pDSP_control_buffer); |
| f9a376c3 | 71 | |
| 719f82d3 EB |
72 | void hpi_free_control_cache(struct hpi_control_cache *p_cache); |
| 73 | ||
| 3285ea10 | 74 | void hpi_cmn_control_cache_sync_to_msg(struct hpi_control_cache *pC, |
| 719f82d3 | 75 | struct hpi_message *phm, struct hpi_response *phr); |
| 4704998e | 76 | |
| f9a376c3 EB |
77 | void hpi_cmn_control_cache_sync_to_msg_single(struct hpi_control_cache_single |
| 78 | *pC, struct hpi_message *phm, struct hpi_response *phr); | |
| 79 | ||
| 719f82d3 | 80 | u16 hpi_validate_response(struct hpi_message *phm, struct hpi_response *phr); |
| 42258dab EB |
81 | |
| 82 | hpi_handler_func HPI_COMMON; |