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author | Eliot Blennerhassett <eblennerhassett@audioscience.com> | 2010-04-21 18:17:39 +0200 |
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committer | Takashi Iwai <tiwai@suse.de> | 2010-04-22 07:21:53 +0200 |
commit | 719f82d3987aad4cc9f46d19c35f362672545cad (patch) | |
tree | 3f9edf749da5e5d11bfa82336db99a01dd489979 /sound/pci/asihpi/hpicmn.h | |
parent | cf0dbba515415bb19b11f9323d5f7bebd7f24fd6 (diff) | |
download | lwn-719f82d3987aad4cc9f46d19c35f362672545cad.tar.gz lwn-719f82d3987aad4cc9f46d19c35f362672545cad.zip |
ALSA: Add support of AudioScience ASI boards
Added the support of AudioScience ASI boards.
The driver has been tested for years on alsa-driver external tree,
now finally got merged to the kernel.
Signed-off-by: Eliot Blennerhassett <eblennerhassett@audioscience.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Diffstat (limited to 'sound/pci/asihpi/hpicmn.h')
-rw-r--r-- | sound/pci/asihpi/hpicmn.h | 64 |
1 files changed, 64 insertions, 0 deletions
diff --git a/sound/pci/asihpi/hpicmn.h b/sound/pci/asihpi/hpicmn.h new file mode 100644 index 000000000000..6229022f56cb --- /dev/null +++ b/sound/pci/asihpi/hpicmn.h @@ -0,0 +1,64 @@ +/** + + AudioScience HPI driver + Copyright (C) 1997-2010 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 { + struct hpi_pci pci; /* PCI info - bus#,dev#,address etc */ + u16 adapter_type; /* ASI6701 etc */ + u16 index; /* */ + u16 open; /* =1 when adapter open */ + u16 mixer_open; + + struct hpios_spinlock dsp_lock; + + u16 dsp_crashed; + u16 has_control_cache; + void *priv; +}; + +struct hpi_control_cache { + u32 init; /**< indicates whether the + structures are initialized */ + u32 control_count; + u32 cache_size_in_bytes; + struct hpi_control_cache_info + **p_info; /**< pointer to allocated memory of + lookup pointers. */ + struct hpi_control_cache_single + *p_cache; /**< pointer to DSP's control 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); +struct hpi_control_cache *hpi_alloc_control_cache(const u32 + number_of_controls, const u32 size_in_bytes, + struct hpi_control_cache_info + *pDSP_control_buffer); +void hpi_free_control_cache(struct hpi_control_cache *p_cache); + +void hpi_sync_control_cache(struct hpi_control_cache *pC, + struct hpi_message *phm, struct hpi_response *phr); +u16 hpi_validate_response(struct hpi_message *phm, struct hpi_response *phr); +short hpi_check_buffer_mapping(struct hpi_control_cache *p_cache, + struct hpi_message *phm, void **p, unsigned int *pN); |