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linux/sound/pci/asihpi/hpimsgx.c
Thomas Gleixner 07d7fe7bd6 treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 273 
Based on 1 normalized pattern(s):

  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

extracted by the scancode license scanner the SPDX license identifier

  GPL-2.0-only

has been chosen to replace the boilerplate/reference in 24 file(s).

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Reviewed-by: Richard Fontana <rfontana@redhat.com>
Reviewed-by: Alexios Zavras <alexios.zavras@intel.com>
Reviewed-by: Allison Randal <allison@lohutok.net>
Cc: linux-spdx@vger.kernel.org
Link: https://lkml.kernel.org/r/20190529141334.606756275@linutronix.de
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2019-06-05 17:30:30 +02:00

799 lines
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// SPDX-License-Identifier: GPL-2.0-only
/******************************************************************************
AudioScience HPI driver
Copyright (C) 1997-2014 AudioScience Inc. <support@audioscience.com>
Extended Message Function With Response Caching
(C) Copyright AudioScience Inc. 2002
*****************************************************************************/
#define SOURCEFILE_NAME "hpimsgx.c"
#include "hpi_internal.h"
#include "hpi_version.h"
#include "hpimsginit.h"
#include "hpicmn.h"
#include "hpimsgx.h"
#include "hpidebug.h"
static struct pci_device_id asihpi_pci_tbl[] = {
#include "hpipcida.h"
};
static struct hpios_spinlock msgx_lock;
static hpi_handler_func *hpi_entry_points[HPI_MAX_ADAPTERS];
static int logging_enabled = 1;
static hpi_handler_func *hpi_lookup_entry_point_function(const struct hpi_pci
*pci_info)
{
int i;
for (i = 0; asihpi_pci_tbl[i].vendor != 0; i++) {
if (asihpi_pci_tbl[i].vendor != PCI_ANY_ID
&& asihpi_pci_tbl[i].vendor !=
pci_info->pci_dev->vendor)
continue;
if (asihpi_pci_tbl[i].device != PCI_ANY_ID
&& asihpi_pci_tbl[i].device !=
pci_info->pci_dev->device)
continue;
if (asihpi_pci_tbl[i].subvendor != PCI_ANY_ID
&& asihpi_pci_tbl[i].subvendor !=
pci_info->pci_dev->subsystem_vendor)
continue;
if (asihpi_pci_tbl[i].subdevice != PCI_ANY_ID
&& asihpi_pci_tbl[i].subdevice !=
pci_info->pci_dev->subsystem_device)
continue;
/* HPI_DEBUG_LOG(DEBUG, " %x,%lx\n", i,
asihpi_pci_tbl[i].driver_data); */
return (hpi_handler_func *) asihpi_pci_tbl[i].driver_data;
}
return NULL;
}
static inline void hw_entry_point(struct hpi_message *phm,
struct hpi_response *phr)
{
if ((phm->adapter_index < HPI_MAX_ADAPTERS)
&& hpi_entry_points[phm->adapter_index])
hpi_entry_points[phm->adapter_index] (phm, phr);
else
hpi_init_response(phr, phm->object, phm->function,
HPI_ERROR_PROCESSING_MESSAGE);
}
static void adapter_open(struct hpi_message *phm, struct hpi_response *phr);
static void adapter_close(struct hpi_message *phm, struct hpi_response *phr);
static void mixer_open(struct hpi_message *phm, struct hpi_response *phr);
static void mixer_close(struct hpi_message *phm, struct hpi_response *phr);
static void outstream_open(struct hpi_message *phm, struct hpi_response *phr,
void *h_owner);
static void outstream_close(struct hpi_message *phm, struct hpi_response *phr,
void *h_owner);
static void instream_open(struct hpi_message *phm, struct hpi_response *phr,
void *h_owner);
static void instream_close(struct hpi_message *phm, struct hpi_response *phr,
void *h_owner);
static void HPIMSGX__reset(u16 adapter_index);
static u16 HPIMSGX__init(struct hpi_message *phm, struct hpi_response *phr);
static void HPIMSGX__cleanup(u16 adapter_index, void *h_owner);
#ifndef DISABLE_PRAGMA_PACK1
#pragma pack(push, 1)
#endif
struct hpi_subsys_response {
struct hpi_response_header h;
struct hpi_subsys_res s;
};
struct hpi_adapter_response {
struct hpi_response_header h;
struct hpi_adapter_res a;
};
struct hpi_mixer_response {
struct hpi_response_header h;
struct hpi_mixer_res m;
};
struct hpi_stream_response {
struct hpi_response_header h;
struct hpi_stream_res d;
};
struct adapter_info {
u16 type;
u16 num_instreams;
u16 num_outstreams;
};
struct asi_open_state {
int open_flag;
void *h_owner;
};
#ifndef DISABLE_PRAGMA_PACK1
#pragma pack(pop)
#endif
/* Globals */
static struct hpi_adapter_response rESP_HPI_ADAPTER_OPEN[HPI_MAX_ADAPTERS];
static struct hpi_stream_response
rESP_HPI_OSTREAM_OPEN[HPI_MAX_ADAPTERS][HPI_MAX_STREAMS];
static struct hpi_stream_response
rESP_HPI_ISTREAM_OPEN[HPI_MAX_ADAPTERS][HPI_MAX_STREAMS];
static struct hpi_mixer_response rESP_HPI_MIXER_OPEN[HPI_MAX_ADAPTERS];
static struct adapter_info aDAPTER_INFO[HPI_MAX_ADAPTERS];
/* use these to keep track of opens from user mode apps/DLLs */
static struct asi_open_state
outstream_user_open[HPI_MAX_ADAPTERS][HPI_MAX_STREAMS];
static struct asi_open_state
instream_user_open[HPI_MAX_ADAPTERS][HPI_MAX_STREAMS];
static void subsys_message(struct hpi_message *phm, struct hpi_response *phr,
void *h_owner)
{
if (phm->adapter_index != HPI_ADAPTER_INDEX_INVALID)
HPI_DEBUG_LOG(WARNING,
"suspicious adapter index %d in subsys message 0x%x.\n",
phm->adapter_index, phm->function);
switch (phm->function) {
case HPI_SUBSYS_GET_VERSION:
hpi_init_response(phr, HPI_OBJ_SUBSYSTEM,
HPI_SUBSYS_GET_VERSION, 0);
phr->u.s.version = HPI_VER >> 8; /* return major.minor */
phr->u.s.data = HPI_VER; /* return major.minor.release */
break;
case HPI_SUBSYS_OPEN:
/*do not propagate the message down the chain */
hpi_init_response(phr, HPI_OBJ_SUBSYSTEM, HPI_SUBSYS_OPEN, 0);
break;
case HPI_SUBSYS_CLOSE:
/*do not propagate the message down the chain */
hpi_init_response(phr, HPI_OBJ_SUBSYSTEM, HPI_SUBSYS_CLOSE,
0);
HPIMSGX__cleanup(HPIMSGX_ALLADAPTERS, h_owner);
break;
case HPI_SUBSYS_DRIVER_LOAD:
/* Initialize this module's internal state */
hpios_msgxlock_init(&msgx_lock);
memset(&hpi_entry_points, 0, sizeof(hpi_entry_points));
/* Init subsys_findadapters response to no-adapters */
HPIMSGX__reset(HPIMSGX_ALLADAPTERS);
hpi_init_response(phr, HPI_OBJ_SUBSYSTEM,
HPI_SUBSYS_DRIVER_LOAD, 0);
/* individual HPIs dont implement driver load */
HPI_COMMON(phm, phr);
break;
case HPI_SUBSYS_DRIVER_UNLOAD:
HPI_COMMON(phm, phr);
HPIMSGX__cleanup(HPIMSGX_ALLADAPTERS, h_owner);
hpi_init_response(phr, HPI_OBJ_SUBSYSTEM,
HPI_SUBSYS_DRIVER_UNLOAD, 0);
return;
case HPI_SUBSYS_GET_NUM_ADAPTERS:
case HPI_SUBSYS_GET_ADAPTER:
HPI_COMMON(phm, phr);
break;
case HPI_SUBSYS_CREATE_ADAPTER:
HPIMSGX__init(phm, phr);
break;
default:
/* Must explicitly handle every subsys message in this switch */
hpi_init_response(phr, HPI_OBJ_SUBSYSTEM, phm->function,
HPI_ERROR_INVALID_FUNC);
break;
}
}
static void adapter_message(struct hpi_message *phm, struct hpi_response *phr,
void *h_owner)
{
switch (phm->function) {
case HPI_ADAPTER_OPEN:
adapter_open(phm, phr);
break;
case HPI_ADAPTER_CLOSE:
adapter_close(phm, phr);
break;
case HPI_ADAPTER_DELETE:
HPIMSGX__cleanup(phm->adapter_index, h_owner);
{
struct hpi_message hm;
struct hpi_response hr;
hpi_init_message_response(&hm, &hr, HPI_OBJ_ADAPTER,
HPI_ADAPTER_CLOSE);
hm.adapter_index = phm->adapter_index;
hw_entry_point(&hm, &hr);
}
hw_entry_point(phm, phr);
break;
default:
hw_entry_point(phm, phr);
break;
}
}
static void mixer_message(struct hpi_message *phm, struct hpi_response *phr)
{
switch (phm->function) {
case HPI_MIXER_OPEN:
mixer_open(phm, phr);
break;
case HPI_MIXER_CLOSE:
mixer_close(phm, phr);
break;
default:
hw_entry_point(phm, phr);
break;
}
}
static void outstream_message(struct hpi_message *phm,
struct hpi_response *phr, void *h_owner)
{
if (phm->obj_index >= aDAPTER_INFO[phm->adapter_index].num_outstreams) {
hpi_init_response(phr, HPI_OBJ_OSTREAM, phm->function,
HPI_ERROR_INVALID_OBJ_INDEX);
return;
}
switch (phm->function) {
case HPI_OSTREAM_OPEN:
outstream_open(phm, phr, h_owner);
break;
case HPI_OSTREAM_CLOSE:
outstream_close(phm, phr, h_owner);
break;
default:
hw_entry_point(phm, phr);
break;
}
}
static void instream_message(struct hpi_message *phm,
struct hpi_response *phr, void *h_owner)
{
if (phm->obj_index >= aDAPTER_INFO[phm->adapter_index].num_instreams) {
hpi_init_response(phr, HPI_OBJ_ISTREAM, phm->function,
HPI_ERROR_INVALID_OBJ_INDEX);
return;
}
switch (phm->function) {
case HPI_ISTREAM_OPEN:
instream_open(phm, phr, h_owner);
break;
case HPI_ISTREAM_CLOSE:
instream_close(phm, phr, h_owner);
break;
default:
hw_entry_point(phm, phr);
break;
}
}
/* NOTE: HPI_Message() must be defined in the driver as a wrapper for
* HPI_MessageEx so that functions in hpifunc.c compile.
*/
void hpi_send_recv_ex(struct hpi_message *phm, struct hpi_response *phr,
void *h_owner)
{
if (logging_enabled)
HPI_DEBUG_MESSAGE(DEBUG, phm);
if (phm->type != HPI_TYPE_REQUEST) {
hpi_init_response(phr, phm->object, phm->function,
HPI_ERROR_INVALID_TYPE);
return;
}
if (phm->adapter_index >= HPI_MAX_ADAPTERS
&& phm->adapter_index != HPIMSGX_ALLADAPTERS) {
hpi_init_response(phr, phm->object, phm->function,
HPI_ERROR_BAD_ADAPTER_NUMBER);
return;
}
switch (phm->object) {
case HPI_OBJ_SUBSYSTEM:
subsys_message(phm, phr, h_owner);
break;
case HPI_OBJ_ADAPTER:
adapter_message(phm, phr, h_owner);
break;
case HPI_OBJ_MIXER:
mixer_message(phm, phr);
break;
case HPI_OBJ_OSTREAM:
outstream_message(phm, phr, h_owner);
break;
case HPI_OBJ_ISTREAM:
instream_message(phm, phr, h_owner);
break;
default:
hw_entry_point(phm, phr);
break;
}
if (logging_enabled)
HPI_DEBUG_RESPONSE(phr);
if (phr->error >= HPI_ERROR_DSP_COMMUNICATION) {
hpi_debug_level_set(HPI_DEBUG_LEVEL_ERROR);
logging_enabled = 0;
}
}
static void adapter_open(struct hpi_message *phm, struct hpi_response *phr)
{
HPI_DEBUG_LOG(VERBOSE, "adapter_open\n");
memcpy(phr, &rESP_HPI_ADAPTER_OPEN[phm->adapter_index],
sizeof(rESP_HPI_ADAPTER_OPEN[0]));
}
static void adapter_close(struct hpi_message *phm, struct hpi_response *phr)
{
HPI_DEBUG_LOG(VERBOSE, "adapter_close\n");
hpi_init_response(phr, HPI_OBJ_ADAPTER, HPI_ADAPTER_CLOSE, 0);
}
static void mixer_open(struct hpi_message *phm, struct hpi_response *phr)
{
memcpy(phr, &rESP_HPI_MIXER_OPEN[phm->adapter_index],
sizeof(rESP_HPI_MIXER_OPEN[0]));
}
static void mixer_close(struct hpi_message *phm, struct hpi_response *phr)
{
hpi_init_response(phr, HPI_OBJ_MIXER, HPI_MIXER_CLOSE, 0);
}
static void instream_open(struct hpi_message *phm, struct hpi_response *phr,
void *h_owner)
{
struct hpi_message hm;
struct hpi_response hr;
hpi_init_response(phr, HPI_OBJ_ISTREAM, HPI_ISTREAM_OPEN, 0);
hpios_msgxlock_lock(&msgx_lock);
if (instream_user_open[phm->adapter_index][phm->obj_index].open_flag)
phr->error = HPI_ERROR_OBJ_ALREADY_OPEN;
else if (rESP_HPI_ISTREAM_OPEN[phm->adapter_index]
[phm->obj_index].h.error)
memcpy(phr,
&rESP_HPI_ISTREAM_OPEN[phm->adapter_index][phm->
obj_index],
sizeof(rESP_HPI_ISTREAM_OPEN[0][0]));
else {
instream_user_open[phm->adapter_index][phm->
obj_index].open_flag = 1;
hpios_msgxlock_unlock(&msgx_lock);
/* issue a reset */
hpi_init_message_response(&hm, &hr, HPI_OBJ_ISTREAM,
HPI_ISTREAM_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) {
instream_user_open[phm->adapter_index][phm->
obj_index].open_flag = 0;
phr->error = hr.error;
} else {
instream_user_open[phm->adapter_index][phm->
obj_index].open_flag = 1;
instream_user_open[phm->adapter_index][phm->
obj_index].h_owner = h_owner;
memcpy(phr,
&rESP_HPI_ISTREAM_OPEN[phm->adapter_index]
[phm->obj_index],
sizeof(rESP_HPI_ISTREAM_OPEN[0][0]));
}
}
hpios_msgxlock_unlock(&msgx_lock);
}
static void instream_close(struct hpi_message *phm, struct hpi_response *phr,
void *h_owner)
{
struct hpi_message hm;
struct hpi_response hr;
hpi_init_response(phr, HPI_OBJ_ISTREAM, HPI_ISTREAM_CLOSE, 0);
hpios_msgxlock_lock(&msgx_lock);
if (h_owner ==
instream_user_open[phm->adapter_index][phm->
obj_index].h_owner) {
/* HPI_DEBUG_LOG(INFO,"closing adapter %d "
"instream %d owned by %p\n",
phm->wAdapterIndex, phm->wObjIndex, hOwner); */
instream_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_ISTREAM,
HPI_ISTREAM_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) {
instream_user_open[phm->adapter_index][phm->
obj_index].h_owner = h_owner;
phr->error = hr.error;
} else {
instream_user_open[phm->adapter_index][phm->
obj_index].open_flag = 0;
instream_user_open[phm->adapter_index][phm->
obj_index].h_owner = NULL;
}
} else {
HPI_DEBUG_LOG(WARNING,
"%p trying to close %d instream %d owned by %p\n",
h_owner, phm->adapter_index, phm->obj_index,
instream_user_open[phm->adapter_index][phm->
obj_index].h_owner);
phr->error = HPI_ERROR_OBJ_NOT_OPEN;
}
hpios_msgxlock_unlock(&msgx_lock);
}
static void outstream_open(struct hpi_message *phm, struct hpi_response *phr,
void *h_owner)
{
struct hpi_message hm;
struct hpi_response hr;
hpi_init_response(phr, HPI_OBJ_OSTREAM, HPI_OSTREAM_OPEN, 0);
hpios_msgxlock_lock(&msgx_lock);
if (outstream_user_open[phm->adapter_index][phm->obj_index].open_flag)
phr->error = HPI_ERROR_OBJ_ALREADY_OPEN;
else if (rESP_HPI_OSTREAM_OPEN[phm->adapter_index]
[phm->obj_index].h.error)
memcpy(phr,
&rESP_HPI_OSTREAM_OPEN[phm->adapter_index][phm->
obj_index],
sizeof(rESP_HPI_OSTREAM_OPEN[0][0]));
else {
outstream_user_open[phm->adapter_index][phm->
obj_index].open_flag = 1;
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].open_flag = 0;
phr->error = hr.error;
} else {
outstream_user_open[phm->adapter_index][phm->
obj_index].open_flag = 1;
outstream_user_open[phm->adapter_index][phm->
obj_index].h_owner = h_owner;
memcpy(phr,
&rESP_HPI_OSTREAM_OPEN[phm->adapter_index]
[phm->obj_index],
sizeof(rESP_HPI_OSTREAM_OPEN[0][0]));
}
}
hpios_msgxlock_unlock(&msgx_lock);
}
static void outstream_close(struct hpi_message *phm, struct hpi_response *phr,
void *h_owner)
{
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;
}
}
}
}
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