723 lines
18 KiB
C
723 lines
18 KiB
C
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/******************************************************************************
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AudioScience HPI driver
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Copyright (C) 1997-2014 AudioScience Inc. <support@audioscience.com>
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This program is free software; you can redistribute it and/or modify
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it under the terms of version 2 of the GNU General Public License as
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published by the Free Software Foundation;
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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\file hpicmn.c
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Common functions used by hpixxxx.c modules
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(C) Copyright AudioScience Inc. 1998-2003
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*******************************************************************************/
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#define SOURCEFILE_NAME "hpicmn.c"
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#include "hpi_internal.h"
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#include "hpidebug.h"
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#include "hpimsginit.h"
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#include "hpicmn.h"
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struct hpi_adapters_list {
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struct hpios_spinlock list_lock;
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struct hpi_adapter_obj adapter[HPI_MAX_ADAPTERS];
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u16 gw_num_adapters;
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};
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static struct hpi_adapters_list adapters;
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/**
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* Given an HPI Message that was sent out and a response that was received,
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* validate that the response has the correct fields filled in,
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* i.e ObjectType, Function etc
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**/
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u16 hpi_validate_response(struct hpi_message *phm, struct hpi_response *phr)
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{
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if (phr->type != HPI_TYPE_RESPONSE) {
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HPI_DEBUG_LOG(ERROR, "header type %d invalid\n", phr->type);
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return HPI_ERROR_INVALID_RESPONSE;
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}
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if (phr->object != phm->object) {
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HPI_DEBUG_LOG(ERROR, "header object %d invalid\n",
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phr->object);
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return HPI_ERROR_INVALID_RESPONSE;
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}
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if (phr->function != phm->function) {
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HPI_DEBUG_LOG(ERROR, "header function %d invalid\n",
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phr->function);
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return HPI_ERROR_INVALID_RESPONSE;
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}
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return 0;
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}
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u16 hpi_add_adapter(struct hpi_adapter_obj *pao)
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{
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u16 retval = 0;
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/*HPI_ASSERT(pao->type); */
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hpios_alistlock_lock(&adapters);
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if (pao->index >= HPI_MAX_ADAPTERS) {
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retval = HPI_ERROR_BAD_ADAPTER_NUMBER;
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goto unlock;
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}
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if (adapters.adapter[pao->index].type) {
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int a;
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for (a = HPI_MAX_ADAPTERS - 1; a >= 0; a--) {
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if (!adapters.adapter[a].type) {
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HPI_DEBUG_LOG(WARNING,
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"ASI%X duplicate index %d moved to %d\n",
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pao->type, pao->index, a);
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pao->index = a;
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break;
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}
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}
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if (a < 0) {
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retval = HPI_ERROR_DUPLICATE_ADAPTER_NUMBER;
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goto unlock;
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}
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}
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adapters.adapter[pao->index] = *pao;
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hpios_dsplock_init(&adapters.adapter[pao->index]);
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adapters.gw_num_adapters++;
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unlock:
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hpios_alistlock_unlock(&adapters);
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return retval;
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}
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void hpi_delete_adapter(struct hpi_adapter_obj *pao)
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{
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if (!pao->type) {
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HPI_DEBUG_LOG(ERROR, "removing null adapter?\n");
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return;
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}
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hpios_alistlock_lock(&adapters);
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if (adapters.adapter[pao->index].type)
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adapters.gw_num_adapters--;
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memset(&adapters.adapter[pao->index], 0, sizeof(adapters.adapter[0]));
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hpios_alistlock_unlock(&adapters);
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}
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/**
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* FindAdapter returns a pointer to the struct hpi_adapter_obj with
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* index wAdapterIndex in an HPI_ADAPTERS_LIST structure.
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*
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*/
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struct hpi_adapter_obj *hpi_find_adapter(u16 adapter_index)
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{
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struct hpi_adapter_obj *pao = NULL;
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if (adapter_index >= HPI_MAX_ADAPTERS) {
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HPI_DEBUG_LOG(VERBOSE, "find_adapter invalid index %d\n",
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adapter_index);
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return NULL;
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}
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pao = &adapters.adapter[adapter_index];
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if (pao->type != 0) {
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/*
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HPI_DEBUG_LOG(VERBOSE, "Found adapter index %d\n",
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wAdapterIndex);
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*/
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return pao;
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} else {
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/*
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HPI_DEBUG_LOG(VERBOSE, "No adapter index %d\n",
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wAdapterIndex);
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*/
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return NULL;
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}
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}
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/**
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*
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* wipe an HPI_ADAPTERS_LIST structure.
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*
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**/
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static void wipe_adapter_list(void)
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{
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memset(&adapters, 0, sizeof(adapters));
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}
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static void subsys_get_adapter(struct hpi_message *phm,
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struct hpi_response *phr)
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{
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int count = phm->obj_index;
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u16 index = 0;
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/* find the nCount'th nonzero adapter in array */
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for (index = 0; index < HPI_MAX_ADAPTERS; index++) {
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if (adapters.adapter[index].type) {
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if (!count)
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break;
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count--;
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}
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}
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if (index < HPI_MAX_ADAPTERS) {
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phr->u.s.adapter_index = adapters.adapter[index].index;
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phr->u.s.adapter_type = adapters.adapter[index].type;
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} else {
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phr->u.s.adapter_index = 0;
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phr->u.s.adapter_type = 0;
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phr->error = HPI_ERROR_INVALID_OBJ_INDEX;
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}
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}
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static unsigned int control_cache_alloc_check(struct hpi_control_cache *pC)
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{
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unsigned int i;
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int cached = 0;
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if (!pC)
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return 0;
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if (pC->init)
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return pC->init;
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if (!pC->p_cache)
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return 0;
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if (pC->control_count && pC->cache_size_in_bytes) {
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char *p_master_cache;
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unsigned int byte_count = 0;
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p_master_cache = (char *)pC->p_cache;
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HPI_DEBUG_LOG(DEBUG, "check %d controls\n",
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pC->control_count);
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for (i = 0; i < pC->control_count; i++) {
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struct hpi_control_cache_info *info =
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(struct hpi_control_cache_info *)
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&p_master_cache[byte_count];
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u16 control_index = info->control_index;
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if (control_index >= pC->control_count) {
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HPI_DEBUG_LOG(INFO,
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"adap %d control index %d out of range, cache not ready?\n",
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pC->adap_idx, control_index);
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return 0;
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}
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if (!info->size_in32bit_words) {
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if (!i) {
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HPI_DEBUG_LOG(INFO,
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"adap %d cache not ready?\n",
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pC->adap_idx);
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return 0;
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}
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/* The cache is invalid.
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* Minimum valid entry size is
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* sizeof(struct hpi_control_cache_info)
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*/
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HPI_DEBUG_LOG(ERROR,
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"adap %d zero size cache entry %d\n",
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pC->adap_idx, i);
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break;
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}
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if (info->control_type) {
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pC->p_info[control_index] = info;
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cached++;
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} else { /* dummy cache entry */
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pC->p_info[control_index] = NULL;
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}
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byte_count += info->size_in32bit_words * 4;
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HPI_DEBUG_LOG(VERBOSE,
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"cached %d, pinfo %p index %d type %d size %d\n",
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cached, pC->p_info[info->control_index],
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info->control_index, info->control_type,
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info->size_in32bit_words);
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/* quit loop early if whole cache has been scanned.
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* dwControlCount is the maximum possible entries
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* but some may be absent from the cache
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*/
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if (byte_count >= pC->cache_size_in_bytes)
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break;
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/* have seen last control index */
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if (info->control_index == pC->control_count - 1)
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break;
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}
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if (byte_count != pC->cache_size_in_bytes)
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HPI_DEBUG_LOG(WARNING,
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"adap %d bytecount %d != cache size %d\n",
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pC->adap_idx, byte_count,
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pC->cache_size_in_bytes);
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else
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HPI_DEBUG_LOG(DEBUG,
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"adap %d cache good, bytecount == cache size = %d\n",
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pC->adap_idx, byte_count);
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pC->init = (u16)cached;
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}
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return pC->init;
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}
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/** Find a control.
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*/
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static short find_control(u16 control_index,
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struct hpi_control_cache *p_cache, struct hpi_control_cache_info **pI)
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{
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if (!control_cache_alloc_check(p_cache)) {
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HPI_DEBUG_LOG(VERBOSE,
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"control_cache_alloc_check() failed %d\n",
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control_index);
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return 0;
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}
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*pI = p_cache->p_info[control_index];
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if (!*pI) {
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HPI_DEBUG_LOG(VERBOSE, "Uncached Control %d\n",
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control_index);
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return 0;
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} else {
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HPI_DEBUG_LOG(VERBOSE, "find_control() type %d\n",
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(*pI)->control_type);
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}
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return 1;
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}
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|
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/* allow unified treatment of several string fields within struct */
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#define HPICMN_PAD_OFS_AND_SIZE(m) {\
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offsetof(struct hpi_control_cache_pad, m), \
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sizeof(((struct hpi_control_cache_pad *)(NULL))->m) }
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|
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struct pad_ofs_size {
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unsigned int offset;
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unsigned int field_size;
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};
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static const struct pad_ofs_size pad_desc[] = {
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HPICMN_PAD_OFS_AND_SIZE(c_channel), /* HPI_PAD_CHANNEL_NAME */
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HPICMN_PAD_OFS_AND_SIZE(c_artist), /* HPI_PAD_ARTIST */
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HPICMN_PAD_OFS_AND_SIZE(c_title), /* HPI_PAD_TITLE */
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HPICMN_PAD_OFS_AND_SIZE(c_comment), /* HPI_PAD_COMMENT */
|
||
|
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};
|
||
|
|
|
||
|
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/** CheckControlCache checks the cache and fills the struct hpi_response
|
||
|
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* accordingly. It returns one if a cache hit occurred, zero otherwise.
|
||
|
|
*/
|
||
|
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short hpi_check_control_cache_single(struct hpi_control_cache_single *pC,
|
||
|
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struct hpi_message *phm, struct hpi_response *phr)
|
||
|
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{
|
||
|
|
size_t response_size;
|
||
|
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short found = 1;
|
||
|
|
|
||
|
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/* set the default response size */
|
||
|
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response_size =
|
||
|
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sizeof(struct hpi_response_header) +
|
||
|
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sizeof(struct hpi_control_res);
|
||
|
|
|
||
|
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switch (pC->u.i.control_type) {
|
||
|
|
|
||
|
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case HPI_CONTROL_METER:
|
||
|
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if (phm->u.c.attribute == HPI_METER_PEAK) {
|
||
|
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phr->u.c.an_log_value[0] = pC->u.meter.an_log_peak[0];
|
||
|
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phr->u.c.an_log_value[1] = pC->u.meter.an_log_peak[1];
|
||
|
|
} else if (phm->u.c.attribute == HPI_METER_RMS) {
|
||
|
|
if (pC->u.meter.an_logRMS[0] ==
|
||
|
|
HPI_CACHE_INVALID_SHORT) {
|
||
|
|
phr->error =
|
||
|
|
HPI_ERROR_INVALID_CONTROL_ATTRIBUTE;
|
||
|
|
phr->u.c.an_log_value[0] = HPI_METER_MINIMUM;
|
||
|
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phr->u.c.an_log_value[1] = HPI_METER_MINIMUM;
|
||
|
|
} else {
|
||
|
|
phr->u.c.an_log_value[0] =
|
||
|
|
pC->u.meter.an_logRMS[0];
|
||
|
|
phr->u.c.an_log_value[1] =
|
||
|
|
pC->u.meter.an_logRMS[1];
|
||
|
|
}
|
||
|
|
} else
|
||
|
|
found = 0;
|
||
|
|
break;
|
||
|
|
case HPI_CONTROL_VOLUME:
|
||
|
|
if (phm->u.c.attribute == HPI_VOLUME_GAIN) {
|
||
|
|
phr->u.c.an_log_value[0] = pC->u.vol.an_log[0];
|
||
|
|
phr->u.c.an_log_value[1] = pC->u.vol.an_log[1];
|
||
|
|
} else if (phm->u.c.attribute == HPI_VOLUME_MUTE) {
|
||
|
|
if (pC->u.vol.flags & HPI_VOLUME_FLAG_HAS_MUTE) {
|
||
|
|
if (pC->u.vol.flags & HPI_VOLUME_FLAG_MUTED)
|
||
|
|
phr->u.c.param1 =
|
||
|
|
HPI_BITMASK_ALL_CHANNELS;
|
||
|
|
else
|
||
|
|
phr->u.c.param1 = 0;
|
||
|
|
} else {
|
||
|
|
phr->error =
|
||
|
|
HPI_ERROR_INVALID_CONTROL_ATTRIBUTE;
|
||
|
|
phr->u.c.param1 = 0;
|
||
|
|
}
|
||
|
|
} else {
|
||
|
|
found = 0;
|
||
|
|
}
|
||
|
|
break;
|
||
|
|
case HPI_CONTROL_MULTIPLEXER:
|
||
|
|
if (phm->u.c.attribute == HPI_MULTIPLEXER_SOURCE) {
|
||
|
|
phr->u.c.param1 = pC->u.mux.source_node_type;
|
||
|
|
phr->u.c.param2 = pC->u.mux.source_node_index;
|
||
|
|
} else {
|
||
|
|
found = 0;
|
||
|
|
}
|
||
|
|
break;
|
||
|
|
case HPI_CONTROL_CHANNEL_MODE:
|
||
|
|
if (phm->u.c.attribute == HPI_CHANNEL_MODE_MODE)
|
||
|
|
phr->u.c.param1 = pC->u.mode.mode;
|
||
|
|
else
|
||
|
|
found = 0;
|
||
|
|
break;
|
||
|
|
case HPI_CONTROL_LEVEL:
|
||
|
|
if (phm->u.c.attribute == HPI_LEVEL_GAIN) {
|
||
|
|
phr->u.c.an_log_value[0] = pC->u.level.an_log[0];
|
||
|
|
phr->u.c.an_log_value[1] = pC->u.level.an_log[1];
|
||
|
|
} else
|
||
|
|
found = 0;
|
||
|
|
break;
|
||
|
|
case HPI_CONTROL_TUNER:
|
||
|
|
if (phm->u.c.attribute == HPI_TUNER_FREQ)
|
||
|
|
phr->u.c.param1 = pC->u.tuner.freq_ink_hz;
|
||
|
|
else if (phm->u.c.attribute == HPI_TUNER_BAND)
|
||
|
|
phr->u.c.param1 = pC->u.tuner.band;
|
||
|
|
else if (phm->u.c.attribute == HPI_TUNER_LEVEL_AVG)
|
||
|
|
if (pC->u.tuner.s_level_avg ==
|
||
|
|
HPI_CACHE_INVALID_SHORT) {
|
||
|
|
phr->u.cu.tuner.s_level = 0;
|
||
|
|
phr->error =
|
||
|
|
HPI_ERROR_INVALID_CONTROL_ATTRIBUTE;
|
||
|
|
} else
|
||
|
|
phr->u.cu.tuner.s_level =
|
||
|
|
pC->u.tuner.s_level_avg;
|
||
|
|
else
|
||
|
|
found = 0;
|
||
|
|
break;
|
||
|
|
case HPI_CONTROL_AESEBU_RECEIVER:
|
||
|
|
if (phm->u.c.attribute == HPI_AESEBURX_ERRORSTATUS)
|
||
|
|
phr->u.c.param1 = pC->u.aes3rx.error_status;
|
||
|
|
else if (phm->u.c.attribute == HPI_AESEBURX_FORMAT)
|
||
|
|
phr->u.c.param1 = pC->u.aes3rx.format;
|
||
|
|
else
|
||
|
|
found = 0;
|
||
|
|
break;
|
||
|
|
case HPI_CONTROL_AESEBU_TRANSMITTER:
|
||
|
|
if (phm->u.c.attribute == HPI_AESEBUTX_FORMAT)
|
||
|
|
phr->u.c.param1 = pC->u.aes3tx.format;
|
||
|
|
else
|
||
|
|
found = 0;
|
||
|
|
break;
|
||
|
|
case HPI_CONTROL_TONEDETECTOR:
|
||
|
|
if (phm->u.c.attribute == HPI_TONEDETECTOR_STATE)
|
||
|
|
phr->u.c.param1 = pC->u.tone.state;
|
||
|
|
else
|
||
|
|
found = 0;
|
||
|
|
break;
|
||
|
|
case HPI_CONTROL_SILENCEDETECTOR:
|
||
|
|
if (phm->u.c.attribute == HPI_SILENCEDETECTOR_STATE) {
|
||
|
|
phr->u.c.param1 = pC->u.silence.state;
|
||
|
|
} else
|
||
|
|
found = 0;
|
||
|
|
break;
|
||
|
|
case HPI_CONTROL_MICROPHONE:
|
||
|
|
if (phm->u.c.attribute == HPI_MICROPHONE_PHANTOM_POWER)
|
||
|
|
phr->u.c.param1 = pC->u.microphone.phantom_state;
|
||
|
|
else
|
||
|
|
found = 0;
|
||
|
|
break;
|
||
|
|
case HPI_CONTROL_SAMPLECLOCK:
|
||
|
|
if (phm->u.c.attribute == HPI_SAMPLECLOCK_SOURCE)
|
||
|
|
phr->u.c.param1 = pC->u.clk.source;
|
||
|
|
else if (phm->u.c.attribute == HPI_SAMPLECLOCK_SOURCE_INDEX) {
|
||
|
|
if (pC->u.clk.source_index ==
|
||
|
|
HPI_CACHE_INVALID_UINT16) {
|
||
|
|
phr->u.c.param1 = 0;
|
||
|
|
phr->error =
|
||
|
|
HPI_ERROR_INVALID_CONTROL_ATTRIBUTE;
|
||
|
|
} else
|
||
|
|
phr->u.c.param1 = pC->u.clk.source_index;
|
||
|
|
} else if (phm->u.c.attribute == HPI_SAMPLECLOCK_SAMPLERATE)
|
||
|
|
phr->u.c.param1 = pC->u.clk.sample_rate;
|
||
|
|
else
|
||
|
|
found = 0;
|
||
|
|
break;
|
||
|
|
case HPI_CONTROL_PAD:{
|
||
|
|
struct hpi_control_cache_pad *p_pad;
|
||
|
|
p_pad = (struct hpi_control_cache_pad *)pC;
|
||
|
|
|
||
|
|
if (!(p_pad->field_valid_flags & (1 <<
|
||
|
|
HPI_CTL_ATTR_INDEX(phm->u.c.
|
||
|
|
attribute)))) {
|
||
|
|
phr->error =
|
||
|
|
HPI_ERROR_INVALID_CONTROL_ATTRIBUTE;
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
|
||
|
|
if (phm->u.c.attribute == HPI_PAD_PROGRAM_ID)
|
||
|
|
phr->u.c.param1 = p_pad->pI;
|
||
|
|
else if (phm->u.c.attribute == HPI_PAD_PROGRAM_TYPE)
|
||
|
|
phr->u.c.param1 = p_pad->pTY;
|
||
|
|
else {
|
||
|
|
unsigned int index =
|
||
|
|
HPI_CTL_ATTR_INDEX(phm->u.c.
|
||
|
|
attribute) - 1;
|
||
|
|
unsigned int offset = phm->u.c.param1;
|
||
|
|
unsigned int pad_string_len, field_size;
|
||
|
|
char *pad_string;
|
||
|
|
unsigned int tocopy;
|
||
|
|
|
||
|
|
if (index > ARRAY_SIZE(pad_desc) - 1) {
|
||
|
|
phr->error =
|
||
|
|
HPI_ERROR_INVALID_CONTROL_ATTRIBUTE;
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
|
||
|
|
pad_string =
|
||
|
|
((char *)p_pad) +
|
||
|
|
pad_desc[index].offset;
|
||
|
|
field_size = pad_desc[index].field_size;
|
||
|
|
/* Ensure null terminator */
|
||
|
|
pad_string[field_size - 1] = 0;
|
||
|
|
|
||
|
|
pad_string_len = strlen(pad_string) + 1;
|
||
|
|
|
||
|
|
if (offset > pad_string_len) {
|
||
|
|
phr->error =
|
||
|
|
HPI_ERROR_INVALID_CONTROL_VALUE;
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
|
||
|
|
tocopy = pad_string_len - offset;
|
||
|
|
if (tocopy > sizeof(phr->u.cu.chars8.sz_data))
|
||
|
|
tocopy = sizeof(phr->u.cu.chars8.
|
||
|
|
sz_data);
|
||
|
|
|
||
|
|
memcpy(phr->u.cu.chars8.sz_data,
|
||
|
|
&pad_string[offset], tocopy);
|
||
|
|
|
||
|
|
phr->u.cu.chars8.remaining_chars =
|
||
|
|
pad_string_len - offset - tocopy;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
break;
|
||
|
|
default:
|
||
|
|
found = 0;
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
|
||
|
|
HPI_DEBUG_LOG(VERBOSE, "%s Adap %d, Ctl %d, Type %d, Attr %d\n",
|
||
|
|
found ? "Cached" : "Uncached", phm->adapter_index,
|
||
|
|
pC->u.i.control_index, pC->u.i.control_type,
|
||
|
|
phm->u.c.attribute);
|
||
|
|
|
||
|
|
if (found) {
|
||
|
|
phr->size = (u16)response_size;
|
||
|
|
phr->type = HPI_TYPE_RESPONSE;
|
||
|
|
phr->object = phm->object;
|
||
|
|
phr->function = phm->function;
|
||
|
|
}
|
||
|
|
|
||
|
|
return found;
|
||
|
|
}
|
||
|
|
|
||
|
|
short hpi_check_control_cache(struct hpi_control_cache *p_cache,
|
||
|
|
struct hpi_message *phm, struct hpi_response *phr)
|
||
|
|
{
|
||
|
|
struct hpi_control_cache_info *pI;
|
||
|
|
|
||
|
|
if (!find_control(phm->obj_index, p_cache, &pI)) {
|
||
|
|
HPI_DEBUG_LOG(VERBOSE,
|
||
|
|
"HPICMN find_control() failed for adap %d\n",
|
||
|
|
phm->adapter_index);
|
||
|
|
return 0;
|
||
|
|
}
|
||
|
|
|
||
|
|
phr->error = 0;
|
||
|
|
phr->specific_error = 0;
|
||
|
|
phr->version = 0;
|
||
|
|
|
||
|
|
return hpi_check_control_cache_single((struct hpi_control_cache_single
|
||
|
|
*)pI, phm, phr);
|
||
|
|
}
|
||
|
|
|
||
|
|
/** Updates the cache with Set values.
|
||
|
|
|
||
|
|
Only update if no error.
|
||
|
|
Volume and Level return the limited values in the response, so use these
|
||
|
|
Multiplexer does so use sent values
|
||
|
|
*/
|
||
|
|
void hpi_cmn_control_cache_sync_to_msg_single(struct hpi_control_cache_single
|
||
|
|
*pC, struct hpi_message *phm, struct hpi_response *phr)
|
||
|
|
{
|
||
|
|
switch (pC->u.i.control_type) {
|
||
|
|
case HPI_CONTROL_VOLUME:
|
||
|
|
if (phm->u.c.attribute == HPI_VOLUME_GAIN) {
|
||
|
|
pC->u.vol.an_log[0] = phr->u.c.an_log_value[0];
|
||
|
|
pC->u.vol.an_log[1] = phr->u.c.an_log_value[1];
|
||
|
|
} else if (phm->u.c.attribute == HPI_VOLUME_MUTE) {
|
||
|
|
if (phm->u.c.param1)
|
||
|
|
pC->u.vol.flags |= HPI_VOLUME_FLAG_MUTED;
|
||
|
|
else
|
||
|
|
pC->u.vol.flags &= ~HPI_VOLUME_FLAG_MUTED;
|
||
|
|
}
|
||
|
|
break;
|
||
|
|
case HPI_CONTROL_MULTIPLEXER:
|
||
|
|
/* mux does not return its setting on Set command. */
|
||
|
|
if (phm->u.c.attribute == HPI_MULTIPLEXER_SOURCE) {
|
||
|
|
pC->u.mux.source_node_type = (u16)phm->u.c.param1;
|
||
|
|
pC->u.mux.source_node_index = (u16)phm->u.c.param2;
|
||
|
|
}
|
||
|
|
break;
|
||
|
|
case HPI_CONTROL_CHANNEL_MODE:
|
||
|
|
/* mode does not return its setting on Set command. */
|
||
|
|
if (phm->u.c.attribute == HPI_CHANNEL_MODE_MODE)
|
||
|
|
pC->u.mode.mode = (u16)phm->u.c.param1;
|
||
|
|
break;
|
||
|
|
case HPI_CONTROL_LEVEL:
|
||
|
|
if (phm->u.c.attribute == HPI_LEVEL_GAIN) {
|
||
|
|
pC->u.vol.an_log[0] = phr->u.c.an_log_value[0];
|
||
|
|
pC->u.vol.an_log[1] = phr->u.c.an_log_value[1];
|
||
|
|
}
|
||
|
|
break;
|
||
|
|
case HPI_CONTROL_MICROPHONE:
|
||
|
|
if (phm->u.c.attribute == HPI_MICROPHONE_PHANTOM_POWER)
|
||
|
|
pC->u.microphone.phantom_state = (u16)phm->u.c.param1;
|
||
|
|
break;
|
||
|
|
case HPI_CONTROL_AESEBU_TRANSMITTER:
|
||
|
|
if (phm->u.c.attribute == HPI_AESEBUTX_FORMAT)
|
||
|
|
pC->u.aes3tx.format = phm->u.c.param1;
|
||
|
|
break;
|
||
|
|
case HPI_CONTROL_AESEBU_RECEIVER:
|
||
|
|
if (phm->u.c.attribute == HPI_AESEBURX_FORMAT)
|
||
|
|
pC->u.aes3rx.format = phm->u.c.param1;
|
||
|
|
break;
|
||
|
|
case HPI_CONTROL_SAMPLECLOCK:
|
||
|
|
if (phm->u.c.attribute == HPI_SAMPLECLOCK_SOURCE)
|
||
|
|
pC->u.clk.source = (u16)phm->u.c.param1;
|
||
|
|
else if (phm->u.c.attribute == HPI_SAMPLECLOCK_SOURCE_INDEX)
|
||
|
|
pC->u.clk.source_index = (u16)phm->u.c.param1;
|
||
|
|
else if (phm->u.c.attribute == HPI_SAMPLECLOCK_SAMPLERATE)
|
||
|
|
pC->u.clk.sample_rate = phm->u.c.param1;
|
||
|
|
break;
|
||
|
|
default:
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
void hpi_cmn_control_cache_sync_to_msg(struct hpi_control_cache *p_cache,
|
||
|
|
struct hpi_message *phm, struct hpi_response *phr)
|
||
|
|
{
|
||
|
|
struct hpi_control_cache_single *pC;
|
||
|
|
struct hpi_control_cache_info *pI;
|
||
|
|
|
||
|
|
if (phr->error)
|
||
|
|
return;
|
||
|
|
|
||
|
|
if (!find_control(phm->obj_index, p_cache, &pI)) {
|
||
|
|
HPI_DEBUG_LOG(VERBOSE,
|
||
|
|
"HPICMN find_control() failed for adap %d\n",
|
||
|
|
phm->adapter_index);
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
|
||
|
|
/* pC is the default cached control strucure.
|
||
|
|
May be cast to something else in the following switch statement.
|
||
|
|
*/
|
||
|
|
pC = (struct hpi_control_cache_single *)pI;
|
||
|
|
|
||
|
|
hpi_cmn_control_cache_sync_to_msg_single(pC, phm, phr);
|
||
|
|
}
|
||
|
|
|
||
|
|
/** Allocate control cache.
|
||
|
|
|
||
|
|
\return Cache pointer, or NULL if allocation fails.
|
||
|
|
*/
|
||
|
|
struct hpi_control_cache *hpi_alloc_control_cache(const u32 control_count,
|
||
|
|
const u32 size_in_bytes, u8 *p_dsp_control_buffer)
|
||
|
|
{
|
||
|
|
struct hpi_control_cache *p_cache =
|
||
|
|
kmalloc(sizeof(*p_cache), GFP_KERNEL);
|
||
|
|
if (!p_cache)
|
||
|
|
return NULL;
|
||
|
|
|
||
|
|
p_cache->p_info =
|
||
|
|
kcalloc(control_count, sizeof(*p_cache->p_info), GFP_KERNEL);
|
||
|
|
if (!p_cache->p_info) {
|
||
|
|
kfree(p_cache);
|
||
|
|
return NULL;
|
||
|
|
}
|
||
|
|
|
||
|
|
p_cache->cache_size_in_bytes = size_in_bytes;
|
||
|
|
p_cache->control_count = control_count;
|
||
|
|
p_cache->p_cache = p_dsp_control_buffer;
|
||
|
|
p_cache->init = 0;
|
||
|
|
return p_cache;
|
||
|
|
}
|
||
|
|
|
||
|
|
void hpi_free_control_cache(struct hpi_control_cache *p_cache)
|
||
|
|
{
|
||
|
|
if (p_cache) {
|
||
|
|
kfree(p_cache->p_info);
|
||
|
|
kfree(p_cache);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
static void subsys_message(struct hpi_message *phm, struct hpi_response *phr)
|
||
|
|
{
|
||
|
|
hpi_init_response(phr, HPI_OBJ_SUBSYSTEM, phm->function, 0);
|
||
|
|
|
||
|
|
switch (phm->function) {
|
||
|
|
case HPI_SUBSYS_OPEN:
|
||
|
|
case HPI_SUBSYS_CLOSE:
|
||
|
|
case HPI_SUBSYS_DRIVER_UNLOAD:
|
||
|
|
break;
|
||
|
|
case HPI_SUBSYS_DRIVER_LOAD:
|
||
|
|
wipe_adapter_list();
|
||
|
|
hpios_alistlock_init(&adapters);
|
||
|
|
break;
|
||
|
|
case HPI_SUBSYS_GET_ADAPTER:
|
||
|
|
subsys_get_adapter(phm, phr);
|
||
|
|
break;
|
||
|
|
case HPI_SUBSYS_GET_NUM_ADAPTERS:
|
||
|
|
phr->u.s.num_adapters = adapters.gw_num_adapters;
|
||
|
|
break;
|
||
|
|
case HPI_SUBSYS_CREATE_ADAPTER:
|
||
|
|
break;
|
||
|
|
default:
|
||
|
|
phr->error = HPI_ERROR_INVALID_FUNC;
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
void HPI_COMMON(struct hpi_message *phm, struct hpi_response *phr)
|
||
|
|
{
|
||
|
|
switch (phm->type) {
|
||
|
|
case HPI_TYPE_REQUEST:
|
||
|
|
switch (phm->object) {
|
||
|
|
case HPI_OBJ_SUBSYSTEM:
|
||
|
|
subsys_message(phm, phr);
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
break;
|
||
|
|
|
||
|
|
default:
|
||
|
|
phr->error = HPI_ERROR_INVALID_TYPE;
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
}
|