diff options
Diffstat (limited to 'kernel/sound/pci/asihpi/hpimsgx.c')
| -rw-r--r-- | kernel/sound/pci/asihpi/hpimsgx.c | 809 |
1 files changed, 809 insertions, 0 deletions
diff --git a/kernel/sound/pci/asihpi/hpimsgx.c b/kernel/sound/pci/asihpi/hpimsgx.c new file mode 100644 index 000000000..736f45337 --- /dev/null +++ b/kernel/sound/pci/asihpi/hpimsgx.c @@ -0,0 +1,809 @@ +/****************************************************************************** + + 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 + +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; + } + } + } +} |