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798 lines
21 KiB
798 lines
21 KiB
// 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. <[email protected]> |
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Extended Message Function With Response Caching |
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(C) Copyright AudioScience Inc. 2002 |
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*****************************************************************************/ |
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#define SOURCEFILE_NAME "hpimsgx.c" |
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#include "hpi_internal.h" |
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#include "hpi_version.h" |
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#include "hpimsginit.h" |
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#include "hpicmn.h" |
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#include "hpimsgx.h" |
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#include "hpidebug.h" |
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static const struct pci_device_id asihpi_pci_tbl[] = { |
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#include "hpipcida.h" |
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}; |
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static struct hpios_spinlock msgx_lock; |
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static hpi_handler_func *hpi_entry_points[HPI_MAX_ADAPTERS]; |
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static int logging_enabled = 1; |
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static hpi_handler_func *hpi_lookup_entry_point_function(const struct hpi_pci |
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*pci_info) |
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{ |
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int i; |
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for (i = 0; asihpi_pci_tbl[i].vendor != 0; i++) { |
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if (asihpi_pci_tbl[i].vendor != PCI_ANY_ID |
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&& asihpi_pci_tbl[i].vendor != |
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pci_info->pci_dev->vendor) |
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continue; |
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if (asihpi_pci_tbl[i].device != PCI_ANY_ID |
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&& asihpi_pci_tbl[i].device != |
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pci_info->pci_dev->device) |
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continue; |
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if (asihpi_pci_tbl[i].subvendor != PCI_ANY_ID |
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&& asihpi_pci_tbl[i].subvendor != |
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pci_info->pci_dev->subsystem_vendor) |
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continue; |
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if (asihpi_pci_tbl[i].subdevice != PCI_ANY_ID |
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&& asihpi_pci_tbl[i].subdevice != |
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pci_info->pci_dev->subsystem_device) |
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continue; |
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/* HPI_DEBUG_LOG(DEBUG, " %x,%lx\n", i, |
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asihpi_pci_tbl[i].driver_data); */ |
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return (hpi_handler_func *) asihpi_pci_tbl[i].driver_data; |
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} |
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return NULL; |
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} |
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static inline void hw_entry_point(struct hpi_message *phm, |
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struct hpi_response *phr) |
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{ |
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if ((phm->adapter_index < HPI_MAX_ADAPTERS) |
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&& hpi_entry_points[phm->adapter_index]) |
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hpi_entry_points[phm->adapter_index] (phm, phr); |
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else |
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hpi_init_response(phr, phm->object, phm->function, |
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HPI_ERROR_PROCESSING_MESSAGE); |
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} |
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static void adapter_open(struct hpi_message *phm, struct hpi_response *phr); |
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static void adapter_close(struct hpi_message *phm, struct hpi_response *phr); |
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static void mixer_open(struct hpi_message *phm, struct hpi_response *phr); |
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static void mixer_close(struct hpi_message *phm, struct hpi_response *phr); |
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static void outstream_open(struct hpi_message *phm, struct hpi_response *phr, |
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void *h_owner); |
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static void outstream_close(struct hpi_message *phm, struct hpi_response *phr, |
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void *h_owner); |
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static void instream_open(struct hpi_message *phm, struct hpi_response *phr, |
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void *h_owner); |
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static void instream_close(struct hpi_message *phm, struct hpi_response *phr, |
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void *h_owner); |
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static void HPIMSGX__reset(u16 adapter_index); |
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static u16 HPIMSGX__init(struct hpi_message *phm, struct hpi_response *phr); |
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static void HPIMSGX__cleanup(u16 adapter_index, void *h_owner); |
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#ifndef DISABLE_PRAGMA_PACK1 |
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#pragma pack(push, 1) |
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#endif |
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struct hpi_subsys_response { |
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struct hpi_response_header h; |
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struct hpi_subsys_res s; |
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}; |
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struct hpi_adapter_response { |
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struct hpi_response_header h; |
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struct hpi_adapter_res a; |
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}; |
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struct hpi_mixer_response { |
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struct hpi_response_header h; |
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struct hpi_mixer_res m; |
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}; |
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struct hpi_stream_response { |
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struct hpi_response_header h; |
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struct hpi_stream_res d; |
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}; |
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struct adapter_info { |
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u16 type; |
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u16 num_instreams; |
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u16 num_outstreams; |
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}; |
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struct asi_open_state { |
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int open_flag; |
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void *h_owner; |
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}; |
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#ifndef DISABLE_PRAGMA_PACK1 |
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#pragma pack(pop) |
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#endif |
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/* Globals */ |
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static struct hpi_adapter_response rESP_HPI_ADAPTER_OPEN[HPI_MAX_ADAPTERS]; |
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static struct hpi_stream_response |
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rESP_HPI_OSTREAM_OPEN[HPI_MAX_ADAPTERS][HPI_MAX_STREAMS]; |
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static struct hpi_stream_response |
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rESP_HPI_ISTREAM_OPEN[HPI_MAX_ADAPTERS][HPI_MAX_STREAMS]; |
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static struct hpi_mixer_response rESP_HPI_MIXER_OPEN[HPI_MAX_ADAPTERS]; |
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static struct adapter_info aDAPTER_INFO[HPI_MAX_ADAPTERS]; |
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/* use these to keep track of opens from user mode apps/DLLs */ |
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static struct asi_open_state |
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outstream_user_open[HPI_MAX_ADAPTERS][HPI_MAX_STREAMS]; |
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static struct asi_open_state |
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instream_user_open[HPI_MAX_ADAPTERS][HPI_MAX_STREAMS]; |
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static void subsys_message(struct hpi_message *phm, struct hpi_response *phr, |
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void *h_owner) |
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{ |
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if (phm->adapter_index != HPI_ADAPTER_INDEX_INVALID) |
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HPI_DEBUG_LOG(WARNING, |
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"suspicious adapter index %d in subsys message 0x%x.\n", |
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phm->adapter_index, phm->function); |
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switch (phm->function) { |
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case HPI_SUBSYS_GET_VERSION: |
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hpi_init_response(phr, HPI_OBJ_SUBSYSTEM, |
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HPI_SUBSYS_GET_VERSION, 0); |
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phr->u.s.version = HPI_VER >> 8; /* return major.minor */ |
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phr->u.s.data = HPI_VER; /* return major.minor.release */ |
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break; |
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case HPI_SUBSYS_OPEN: |
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/*do not propagate the message down the chain */ |
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hpi_init_response(phr, HPI_OBJ_SUBSYSTEM, HPI_SUBSYS_OPEN, 0); |
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break; |
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case HPI_SUBSYS_CLOSE: |
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/*do not propagate the message down the chain */ |
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hpi_init_response(phr, HPI_OBJ_SUBSYSTEM, HPI_SUBSYS_CLOSE, |
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0); |
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HPIMSGX__cleanup(HPIMSGX_ALLADAPTERS, h_owner); |
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break; |
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case HPI_SUBSYS_DRIVER_LOAD: |
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/* Initialize this module's internal state */ |
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hpios_msgxlock_init(&msgx_lock); |
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memset(&hpi_entry_points, 0, sizeof(hpi_entry_points)); |
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/* Init subsys_findadapters response to no-adapters */ |
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HPIMSGX__reset(HPIMSGX_ALLADAPTERS); |
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hpi_init_response(phr, HPI_OBJ_SUBSYSTEM, |
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HPI_SUBSYS_DRIVER_LOAD, 0); |
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/* individual HPIs dont implement driver load */ |
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HPI_COMMON(phm, phr); |
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break; |
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case HPI_SUBSYS_DRIVER_UNLOAD: |
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HPI_COMMON(phm, phr); |
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HPIMSGX__cleanup(HPIMSGX_ALLADAPTERS, h_owner); |
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hpi_init_response(phr, HPI_OBJ_SUBSYSTEM, |
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HPI_SUBSYS_DRIVER_UNLOAD, 0); |
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return; |
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case HPI_SUBSYS_GET_NUM_ADAPTERS: |
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case HPI_SUBSYS_GET_ADAPTER: |
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HPI_COMMON(phm, phr); |
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break; |
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case HPI_SUBSYS_CREATE_ADAPTER: |
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HPIMSGX__init(phm, phr); |
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break; |
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default: |
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/* Must explicitly handle every subsys message in this switch */ |
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hpi_init_response(phr, HPI_OBJ_SUBSYSTEM, phm->function, |
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HPI_ERROR_INVALID_FUNC); |
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break; |
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} |
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} |
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static void adapter_message(struct hpi_message *phm, struct hpi_response *phr, |
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void *h_owner) |
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{ |
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switch (phm->function) { |
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case HPI_ADAPTER_OPEN: |
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adapter_open(phm, phr); |
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break; |
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case HPI_ADAPTER_CLOSE: |
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adapter_close(phm, phr); |
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break; |
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case HPI_ADAPTER_DELETE: |
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HPIMSGX__cleanup(phm->adapter_index, h_owner); |
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{ |
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struct hpi_message hm; |
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struct hpi_response hr; |
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hpi_init_message_response(&hm, &hr, HPI_OBJ_ADAPTER, |
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HPI_ADAPTER_CLOSE); |
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hm.adapter_index = phm->adapter_index; |
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hw_entry_point(&hm, &hr); |
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} |
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hw_entry_point(phm, phr); |
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break; |
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default: |
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hw_entry_point(phm, phr); |
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break; |
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} |
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} |
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static void mixer_message(struct hpi_message *phm, struct hpi_response *phr) |
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{ |
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switch (phm->function) { |
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case HPI_MIXER_OPEN: |
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mixer_open(phm, phr); |
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break; |
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case HPI_MIXER_CLOSE: |
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mixer_close(phm, phr); |
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break; |
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default: |
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hw_entry_point(phm, phr); |
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break; |
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} |
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} |
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static void outstream_message(struct hpi_message *phm, |
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struct hpi_response *phr, void *h_owner) |
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{ |
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if (phm->obj_index >= aDAPTER_INFO[phm->adapter_index].num_outstreams) { |
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hpi_init_response(phr, HPI_OBJ_OSTREAM, phm->function, |
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HPI_ERROR_INVALID_OBJ_INDEX); |
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return; |
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} |
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switch (phm->function) { |
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case HPI_OSTREAM_OPEN: |
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outstream_open(phm, phr, h_owner); |
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break; |
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case HPI_OSTREAM_CLOSE: |
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outstream_close(phm, phr, h_owner); |
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break; |
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default: |
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hw_entry_point(phm, phr); |
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break; |
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} |
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} |
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static void instream_message(struct hpi_message *phm, |
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struct hpi_response *phr, void *h_owner) |
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{ |
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if (phm->obj_index >= aDAPTER_INFO[phm->adapter_index].num_instreams) { |
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hpi_init_response(phr, HPI_OBJ_ISTREAM, phm->function, |
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HPI_ERROR_INVALID_OBJ_INDEX); |
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return; |
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} |
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switch (phm->function) { |
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case HPI_ISTREAM_OPEN: |
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instream_open(phm, phr, h_owner); |
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break; |
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case HPI_ISTREAM_CLOSE: |
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instream_close(phm, phr, h_owner); |
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break; |
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default: |
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hw_entry_point(phm, phr); |
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break; |
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} |
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} |
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/* NOTE: HPI_Message() must be defined in the driver as a wrapper for |
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* HPI_MessageEx so that functions in hpifunc.c compile. |
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*/ |
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void hpi_send_recv_ex(struct hpi_message *phm, struct hpi_response *phr, |
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void *h_owner) |
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{ |
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if (logging_enabled) |
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HPI_DEBUG_MESSAGE(DEBUG, phm); |
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if (phm->type != HPI_TYPE_REQUEST) { |
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hpi_init_response(phr, phm->object, phm->function, |
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HPI_ERROR_INVALID_TYPE); |
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return; |
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} |
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if (phm->adapter_index >= HPI_MAX_ADAPTERS |
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&& phm->adapter_index != HPIMSGX_ALLADAPTERS) { |
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hpi_init_response(phr, phm->object, phm->function, |
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HPI_ERROR_BAD_ADAPTER_NUMBER); |
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return; |
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} |
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switch (phm->object) { |
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case HPI_OBJ_SUBSYSTEM: |
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subsys_message(phm, phr, h_owner); |
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break; |
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case HPI_OBJ_ADAPTER: |
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adapter_message(phm, phr, h_owner); |
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break; |
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case HPI_OBJ_MIXER: |
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mixer_message(phm, phr); |
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break; |
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case HPI_OBJ_OSTREAM: |
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outstream_message(phm, phr, h_owner); |
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break; |
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case HPI_OBJ_ISTREAM: |
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instream_message(phm, phr, h_owner); |
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break; |
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default: |
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hw_entry_point(phm, phr); |
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break; |
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} |
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if (logging_enabled) |
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HPI_DEBUG_RESPONSE(phr); |
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if (phr->error >= HPI_ERROR_DSP_COMMUNICATION) { |
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hpi_debug_level_set(HPI_DEBUG_LEVEL_ERROR); |
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logging_enabled = 0; |
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} |
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} |
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static void adapter_open(struct hpi_message *phm, struct hpi_response *phr) |
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{ |
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HPI_DEBUG_LOG(VERBOSE, "adapter_open\n"); |
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memcpy(phr, &rESP_HPI_ADAPTER_OPEN[phm->adapter_index], |
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sizeof(rESP_HPI_ADAPTER_OPEN[0])); |
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} |
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static void adapter_close(struct hpi_message *phm, struct hpi_response *phr) |
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{ |
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HPI_DEBUG_LOG(VERBOSE, "adapter_close\n"); |
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hpi_init_response(phr, HPI_OBJ_ADAPTER, HPI_ADAPTER_CLOSE, 0); |
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} |
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static void mixer_open(struct hpi_message *phm, struct hpi_response *phr) |
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{ |
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memcpy(phr, &rESP_HPI_MIXER_OPEN[phm->adapter_index], |
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sizeof(rESP_HPI_MIXER_OPEN[0])); |
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} |
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static void mixer_close(struct hpi_message *phm, struct hpi_response *phr) |
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{ |
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hpi_init_response(phr, HPI_OBJ_MIXER, HPI_MIXER_CLOSE, 0); |
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} |
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static void instream_open(struct hpi_message *phm, struct hpi_response *phr, |
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void *h_owner) |
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{ |
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struct hpi_message hm; |
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struct hpi_response hr; |
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hpi_init_response(phr, HPI_OBJ_ISTREAM, HPI_ISTREAM_OPEN, 0); |
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hpios_msgxlock_lock(&msgx_lock); |
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if (instream_user_open[phm->adapter_index][phm->obj_index].open_flag) |
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phr->error = HPI_ERROR_OBJ_ALREADY_OPEN; |
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else if (rESP_HPI_ISTREAM_OPEN[phm->adapter_index] |
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[phm->obj_index].h.error) |
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memcpy(phr, |
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&rESP_HPI_ISTREAM_OPEN[phm->adapter_index][phm-> |
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obj_index], |
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sizeof(rESP_HPI_ISTREAM_OPEN[0][0])); |
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else { |
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instream_user_open[phm->adapter_index][phm-> |
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obj_index].open_flag = 1; |
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hpios_msgxlock_unlock(&msgx_lock); |
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/* issue a reset */ |
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hpi_init_message_response(&hm, &hr, HPI_OBJ_ISTREAM, |
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HPI_ISTREAM_RESET); |
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hm.adapter_index = phm->adapter_index; |
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hm.obj_index = phm->obj_index; |
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hw_entry_point(&hm, &hr); |
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hpios_msgxlock_lock(&msgx_lock); |
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if (hr.error) { |
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instream_user_open[phm->adapter_index][phm-> |
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obj_index].open_flag = 0; |
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phr->error = hr.error; |
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} else { |
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instream_user_open[phm->adapter_index][phm-> |
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obj_index].open_flag = 1; |
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instream_user_open[phm->adapter_index][phm-> |
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obj_index].h_owner = h_owner; |
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memcpy(phr, |
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&rESP_HPI_ISTREAM_OPEN[phm->adapter_index] |
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[phm->obj_index], |
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sizeof(rESP_HPI_ISTREAM_OPEN[0][0])); |
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} |
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} |
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hpios_msgxlock_unlock(&msgx_lock); |
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} |
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static void instream_close(struct hpi_message *phm, struct hpi_response *phr, |
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void *h_owner) |
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{ |
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|
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struct hpi_message hm; |
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struct hpi_response hr; |
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hpi_init_response(phr, HPI_OBJ_ISTREAM, HPI_ISTREAM_CLOSE, 0); |
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hpios_msgxlock_lock(&msgx_lock); |
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if (h_owner == |
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instream_user_open[phm->adapter_index][phm-> |
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obj_index].h_owner) { |
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/* HPI_DEBUG_LOG(INFO,"closing adapter %d " |
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"instream %d owned by %p\n", |
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phm->wAdapterIndex, phm->wObjIndex, hOwner); */ |
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instream_user_open[phm->adapter_index][phm-> |
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obj_index].h_owner = NULL; |
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hpios_msgxlock_unlock(&msgx_lock); |
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/* issue a reset */ |
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hpi_init_message_response(&hm, &hr, HPI_OBJ_ISTREAM, |
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HPI_ISTREAM_RESET); |
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hm.adapter_index = phm->adapter_index; |
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hm.obj_index = phm->obj_index; |
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hw_entry_point(&hm, &hr); |
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hpios_msgxlock_lock(&msgx_lock); |
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if (hr.error) { |
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instream_user_open[phm->adapter_index][phm-> |
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obj_index].h_owner = h_owner; |
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phr->error = hr.error; |
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} else { |
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instream_user_open[phm->adapter_index][phm-> |
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obj_index].open_flag = 0; |
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instream_user_open[phm->adapter_index][phm-> |
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obj_index].h_owner = NULL; |
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} |
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} else { |
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HPI_DEBUG_LOG(WARNING, |
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"%p trying to close %d instream %d owned by %p\n", |
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h_owner, phm->adapter_index, phm->obj_index, |
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instream_user_open[phm->adapter_index][phm-> |
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obj_index].h_owner); |
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phr->error = HPI_ERROR_OBJ_NOT_OPEN; |
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} |
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hpios_msgxlock_unlock(&msgx_lock); |
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} |
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|
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static void outstream_open(struct hpi_message *phm, struct hpi_response *phr, |
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void *h_owner) |
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{ |
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|
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struct hpi_message hm; |
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struct hpi_response hr; |
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|
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hpi_init_response(phr, HPI_OBJ_OSTREAM, HPI_OSTREAM_OPEN, 0); |
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|
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hpios_msgxlock_lock(&msgx_lock); |
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|
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if (outstream_user_open[phm->adapter_index][phm->obj_index].open_flag) |
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phr->error = HPI_ERROR_OBJ_ALREADY_OPEN; |
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else if (rESP_HPI_OSTREAM_OPEN[phm->adapter_index] |
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[phm->obj_index].h.error) |
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memcpy(phr, |
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&rESP_HPI_OSTREAM_OPEN[phm->adapter_index][phm-> |
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obj_index], |
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sizeof(rESP_HPI_OSTREAM_OPEN[0][0])); |
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else { |
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outstream_user_open[phm->adapter_index][phm-> |
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obj_index].open_flag = 1; |
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hpios_msgxlock_unlock(&msgx_lock); |
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|
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/* issue a reset */ |
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hpi_init_message_response(&hm, &hr, HPI_OBJ_OSTREAM, |
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HPI_OSTREAM_RESET); |
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hm.adapter_index = phm->adapter_index; |
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hm.obj_index = phm->obj_index; |
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hw_entry_point(&hm, &hr); |
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|
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hpios_msgxlock_lock(&msgx_lock); |
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if (hr.error) { |
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outstream_user_open[phm->adapter_index][phm-> |
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obj_index].open_flag = 0; |
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phr->error = hr.error; |
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} else { |
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outstream_user_open[phm->adapter_index][phm-> |
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obj_index].open_flag = 1; |
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outstream_user_open[phm->adapter_index][phm-> |
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obj_index].h_owner = h_owner; |
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memcpy(phr, |
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&rESP_HPI_OSTREAM_OPEN[phm->adapter_index] |
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[phm->obj_index], |
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sizeof(rESP_HPI_OSTREAM_OPEN[0][0])); |
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} |
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} |
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hpios_msgxlock_unlock(&msgx_lock); |
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} |
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|
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static void outstream_close(struct hpi_message *phm, struct hpi_response *phr, |
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void *h_owner) |
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{ |
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|
|
struct hpi_message hm; |
|
struct hpi_response hr; |
|
|
|
hpi_init_response(phr, HPI_OBJ_OSTREAM, HPI_OSTREAM_CLOSE, 0); |
|
|
|
hpios_msgxlock_lock(&msgx_lock); |
|
|
|
if (h_owner == |
|
outstream_user_open[phm->adapter_index][phm-> |
|
obj_index].h_owner) { |
|
/* HPI_DEBUG_LOG(INFO,"closing adapter %d " |
|
"outstream %d owned by %p\n", |
|
phm->wAdapterIndex, phm->wObjIndex, hOwner); */ |
|
outstream_user_open[phm->adapter_index][phm-> |
|
obj_index].h_owner = NULL; |
|
hpios_msgxlock_unlock(&msgx_lock); |
|
/* issue a reset */ |
|
hpi_init_message_response(&hm, &hr, HPI_OBJ_OSTREAM, |
|
HPI_OSTREAM_RESET); |
|
hm.adapter_index = phm->adapter_index; |
|
hm.obj_index = phm->obj_index; |
|
hw_entry_point(&hm, &hr); |
|
hpios_msgxlock_lock(&msgx_lock); |
|
if (hr.error) { |
|
outstream_user_open[phm->adapter_index][phm-> |
|
obj_index].h_owner = h_owner; |
|
phr->error = hr.error; |
|
} else { |
|
outstream_user_open[phm->adapter_index][phm-> |
|
obj_index].open_flag = 0; |
|
outstream_user_open[phm->adapter_index][phm-> |
|
obj_index].h_owner = NULL; |
|
} |
|
} else { |
|
HPI_DEBUG_LOG(WARNING, |
|
"%p trying to close %d outstream %d owned by %p\n", |
|
h_owner, phm->adapter_index, phm->obj_index, |
|
outstream_user_open[phm->adapter_index][phm-> |
|
obj_index].h_owner); |
|
phr->error = HPI_ERROR_OBJ_NOT_OPEN; |
|
} |
|
hpios_msgxlock_unlock(&msgx_lock); |
|
} |
|
|
|
static u16 adapter_prepare(u16 adapter) |
|
{ |
|
struct hpi_message hm; |
|
struct hpi_response hr; |
|
|
|
/* Open the adapter and streams */ |
|
u16 i; |
|
|
|
/* call to HPI_ADAPTER_OPEN */ |
|
hpi_init_message_response(&hm, &hr, HPI_OBJ_ADAPTER, |
|
HPI_ADAPTER_OPEN); |
|
hm.adapter_index = adapter; |
|
hw_entry_point(&hm, &hr); |
|
memcpy(&rESP_HPI_ADAPTER_OPEN[adapter], &hr, |
|
sizeof(rESP_HPI_ADAPTER_OPEN[0])); |
|
if (hr.error) |
|
return hr.error; |
|
|
|
/* call to HPI_ADAPTER_GET_INFO */ |
|
hpi_init_message_response(&hm, &hr, HPI_OBJ_ADAPTER, |
|
HPI_ADAPTER_GET_INFO); |
|
hm.adapter_index = adapter; |
|
hw_entry_point(&hm, &hr); |
|
if (hr.error) |
|
return hr.error; |
|
|
|
aDAPTER_INFO[adapter].num_outstreams = hr.u.ax.info.num_outstreams; |
|
aDAPTER_INFO[adapter].num_instreams = hr.u.ax.info.num_instreams; |
|
aDAPTER_INFO[adapter].type = hr.u.ax.info.adapter_type; |
|
|
|
/* call to HPI_OSTREAM_OPEN */ |
|
for (i = 0; i < aDAPTER_INFO[adapter].num_outstreams; i++) { |
|
hpi_init_message_response(&hm, &hr, HPI_OBJ_OSTREAM, |
|
HPI_OSTREAM_OPEN); |
|
hm.adapter_index = adapter; |
|
hm.obj_index = i; |
|
hw_entry_point(&hm, &hr); |
|
memcpy(&rESP_HPI_OSTREAM_OPEN[adapter][i], &hr, |
|
sizeof(rESP_HPI_OSTREAM_OPEN[0][0])); |
|
outstream_user_open[adapter][i].open_flag = 0; |
|
outstream_user_open[adapter][i].h_owner = NULL; |
|
} |
|
|
|
/* call to HPI_ISTREAM_OPEN */ |
|
for (i = 0; i < aDAPTER_INFO[adapter].num_instreams; i++) { |
|
hpi_init_message_response(&hm, &hr, HPI_OBJ_ISTREAM, |
|
HPI_ISTREAM_OPEN); |
|
hm.adapter_index = adapter; |
|
hm.obj_index = i; |
|
hw_entry_point(&hm, &hr); |
|
memcpy(&rESP_HPI_ISTREAM_OPEN[adapter][i], &hr, |
|
sizeof(rESP_HPI_ISTREAM_OPEN[0][0])); |
|
instream_user_open[adapter][i].open_flag = 0; |
|
instream_user_open[adapter][i].h_owner = NULL; |
|
} |
|
|
|
/* call to HPI_MIXER_OPEN */ |
|
hpi_init_message_response(&hm, &hr, HPI_OBJ_MIXER, HPI_MIXER_OPEN); |
|
hm.adapter_index = adapter; |
|
hw_entry_point(&hm, &hr); |
|
memcpy(&rESP_HPI_MIXER_OPEN[adapter], &hr, |
|
sizeof(rESP_HPI_MIXER_OPEN[0])); |
|
|
|
return 0; |
|
} |
|
|
|
static void HPIMSGX__reset(u16 adapter_index) |
|
{ |
|
int i; |
|
u16 adapter; |
|
struct hpi_response hr; |
|
|
|
if (adapter_index == HPIMSGX_ALLADAPTERS) { |
|
for (adapter = 0; adapter < HPI_MAX_ADAPTERS; adapter++) { |
|
|
|
hpi_init_response(&hr, HPI_OBJ_ADAPTER, |
|
HPI_ADAPTER_OPEN, HPI_ERROR_BAD_ADAPTER); |
|
memcpy(&rESP_HPI_ADAPTER_OPEN[adapter], &hr, |
|
sizeof(rESP_HPI_ADAPTER_OPEN[adapter])); |
|
|
|
hpi_init_response(&hr, HPI_OBJ_MIXER, HPI_MIXER_OPEN, |
|
HPI_ERROR_INVALID_OBJ); |
|
memcpy(&rESP_HPI_MIXER_OPEN[adapter], &hr, |
|
sizeof(rESP_HPI_MIXER_OPEN[adapter])); |
|
|
|
for (i = 0; i < HPI_MAX_STREAMS; i++) { |
|
hpi_init_response(&hr, HPI_OBJ_OSTREAM, |
|
HPI_OSTREAM_OPEN, |
|
HPI_ERROR_INVALID_OBJ); |
|
memcpy(&rESP_HPI_OSTREAM_OPEN[adapter][i], |
|
&hr, |
|
sizeof(rESP_HPI_OSTREAM_OPEN[adapter] |
|
[i])); |
|
hpi_init_response(&hr, HPI_OBJ_ISTREAM, |
|
HPI_ISTREAM_OPEN, |
|
HPI_ERROR_INVALID_OBJ); |
|
memcpy(&rESP_HPI_ISTREAM_OPEN[adapter][i], |
|
&hr, |
|
sizeof(rESP_HPI_ISTREAM_OPEN[adapter] |
|
[i])); |
|
} |
|
} |
|
} else if (adapter_index < HPI_MAX_ADAPTERS) { |
|
rESP_HPI_ADAPTER_OPEN[adapter_index].h.error = |
|
HPI_ERROR_BAD_ADAPTER; |
|
rESP_HPI_MIXER_OPEN[adapter_index].h.error = |
|
HPI_ERROR_INVALID_OBJ; |
|
for (i = 0; i < HPI_MAX_STREAMS; i++) { |
|
rESP_HPI_OSTREAM_OPEN[adapter_index][i].h.error = |
|
HPI_ERROR_INVALID_OBJ; |
|
rESP_HPI_ISTREAM_OPEN[adapter_index][i].h.error = |
|
HPI_ERROR_INVALID_OBJ; |
|
} |
|
} |
|
} |
|
|
|
static u16 HPIMSGX__init(struct hpi_message *phm, |
|
/* HPI_SUBSYS_CREATE_ADAPTER structure with */ |
|
/* resource list or NULL=find all */ |
|
struct hpi_response *phr |
|
/* response from HPI_ADAPTER_GET_INFO */ |
|
) |
|
{ |
|
hpi_handler_func *entry_point_func; |
|
struct hpi_response hr; |
|
|
|
/* Init response here so we can pass in previous adapter list */ |
|
hpi_init_response(&hr, phm->object, phm->function, |
|
HPI_ERROR_INVALID_OBJ); |
|
|
|
entry_point_func = |
|
hpi_lookup_entry_point_function(phm->u.s.resource.r.pci); |
|
|
|
if (entry_point_func) { |
|
HPI_DEBUG_MESSAGE(DEBUG, phm); |
|
entry_point_func(phm, &hr); |
|
} else { |
|
phr->error = HPI_ERROR_PROCESSING_MESSAGE; |
|
return phr->error; |
|
} |
|
if (hr.error == 0) { |
|
/* the adapter was created successfully |
|
save the mapping for future use */ |
|
hpi_entry_points[hr.u.s.adapter_index] = entry_point_func; |
|
/* prepare adapter (pre-open streams etc.) */ |
|
HPI_DEBUG_LOG(DEBUG, |
|
"HPI_SUBSYS_CREATE_ADAPTER successful," |
|
" preparing adapter\n"); |
|
adapter_prepare(hr.u.s.adapter_index); |
|
} |
|
memcpy(phr, &hr, hr.size); |
|
return phr->error; |
|
} |
|
|
|
static void HPIMSGX__cleanup(u16 adapter_index, void *h_owner) |
|
{ |
|
int i, adapter, adapter_limit; |
|
|
|
if (!h_owner) |
|
return; |
|
|
|
if (adapter_index == HPIMSGX_ALLADAPTERS) { |
|
adapter = 0; |
|
adapter_limit = HPI_MAX_ADAPTERS; |
|
} else { |
|
adapter = adapter_index; |
|
adapter_limit = adapter + 1; |
|
} |
|
|
|
for (; adapter < adapter_limit; adapter++) { |
|
/* printk(KERN_INFO "Cleanup adapter #%d\n",wAdapter); */ |
|
for (i = 0; i < HPI_MAX_STREAMS; i++) { |
|
if (h_owner == |
|
outstream_user_open[adapter][i].h_owner) { |
|
struct hpi_message hm; |
|
struct hpi_response hr; |
|
|
|
HPI_DEBUG_LOG(DEBUG, |
|
"Close adapter %d ostream %d\n", |
|
adapter, i); |
|
|
|
hpi_init_message_response(&hm, &hr, |
|
HPI_OBJ_OSTREAM, HPI_OSTREAM_RESET); |
|
hm.adapter_index = (u16)adapter; |
|
hm.obj_index = (u16)i; |
|
hw_entry_point(&hm, &hr); |
|
|
|
hm.function = HPI_OSTREAM_HOSTBUFFER_FREE; |
|
hw_entry_point(&hm, &hr); |
|
|
|
hm.function = HPI_OSTREAM_GROUP_RESET; |
|
hw_entry_point(&hm, &hr); |
|
|
|
outstream_user_open[adapter][i].open_flag = 0; |
|
outstream_user_open[adapter][i].h_owner = |
|
NULL; |
|
} |
|
if (h_owner == instream_user_open[adapter][i].h_owner) { |
|
struct hpi_message hm; |
|
struct hpi_response hr; |
|
|
|
HPI_DEBUG_LOG(DEBUG, |
|
"Close adapter %d istream %d\n", |
|
adapter, i); |
|
|
|
hpi_init_message_response(&hm, &hr, |
|
HPI_OBJ_ISTREAM, HPI_ISTREAM_RESET); |
|
hm.adapter_index = (u16)adapter; |
|
hm.obj_index = (u16)i; |
|
hw_entry_point(&hm, &hr); |
|
|
|
hm.function = HPI_ISTREAM_HOSTBUFFER_FREE; |
|
hw_entry_point(&hm, &hr); |
|
|
|
hm.function = HPI_ISTREAM_GROUP_RESET; |
|
hw_entry_point(&hm, &hr); |
|
|
|
instream_user_open[adapter][i].open_flag = 0; |
|
instream_user_open[adapter][i].h_owner = NULL; |
|
} |
|
} |
|
} |
|
}
|
|
|