diff options
Diffstat (limited to 'sound/pci/asihpi/hpicmn.c')
| -rw-r--r-- | sound/pci/asihpi/hpicmn.c | 62 |
1 files changed, 36 insertions, 26 deletions
diff --git a/sound/pci/asihpi/hpicmn.c b/sound/pci/asihpi/hpicmn.c index 3e9c5c28976..7ed5c26c373 100644 --- a/sound/pci/asihpi/hpicmn.c +++ b/sound/pci/asihpi/hpicmn.c @@ -1,7 +1,7 @@ /****************************************************************************** AudioScience HPI driver - Copyright (C) 1997-2010 AudioScience Inc. <support@audioscience.com> + Copyright (C) 1997-2011 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 @@ -57,7 +57,7 @@ u16 hpi_validate_response(struct hpi_message *phm, struct hpi_response *phr) } if (phr->function != phm->function) { - HPI_DEBUG_LOG(ERROR, "header type %d invalid\n", + HPI_DEBUG_LOG(ERROR, "header function %d invalid\n", phr->function); return HPI_ERROR_INVALID_RESPONSE; } @@ -68,7 +68,7 @@ u16 hpi_validate_response(struct hpi_message *phm, struct hpi_response *phr) u16 hpi_add_adapter(struct hpi_adapter_obj *pao) { u16 retval = 0; - /*HPI_ASSERT(pao->wAdapterType); */ + /*HPI_ASSERT(pao->type); */ hpios_alistlock_lock(&adapters); @@ -77,13 +77,13 @@ u16 hpi_add_adapter(struct hpi_adapter_obj *pao) goto unlock; } - if (adapters.adapter[pao->index].adapter_type) { + if (adapters.adapter[pao->index].type) { int a; for (a = HPI_MAX_ADAPTERS - 1; a >= 0; a--) { - if (!adapters.adapter[a].adapter_type) { + if (!adapters.adapter[a].type) { HPI_DEBUG_LOG(WARNING, "ASI%X duplicate index %d moved to %d\n", - pao->adapter_type, pao->index, a); + pao->type, pao->index, a); pao->index = a; break; } @@ -104,13 +104,13 @@ unlock: void hpi_delete_adapter(struct hpi_adapter_obj *pao) { - if (!pao->adapter_type) { + if (!pao->type) { HPI_DEBUG_LOG(ERROR, "removing null adapter?\n"); return; } hpios_alistlock_lock(&adapters); - if (adapters.adapter[pao->index].adapter_type) + if (adapters.adapter[pao->index].type) adapters.gw_num_adapters--; memset(&adapters.adapter[pao->index], 0, sizeof(adapters.adapter[0])); hpios_alistlock_unlock(&adapters); @@ -132,7 +132,7 @@ struct hpi_adapter_obj *hpi_find_adapter(u16 adapter_index) } pao = &adapters.adapter[adapter_index]; - if (pao->adapter_type != 0) { + if (pao->type != 0) { /* HPI_DEBUG_LOG(VERBOSE, "Found adapter index %d\n", wAdapterIndex); @@ -165,7 +165,7 @@ static void subsys_get_adapter(struct hpi_message *phm, /* find the nCount'th nonzero adapter in array */ for (index = 0; index < HPI_MAX_ADAPTERS; index++) { - if (adapters.adapter[index].adapter_type) { + if (adapters.adapter[index].type) { if (!count) break; count--; @@ -174,11 +174,11 @@ static void subsys_get_adapter(struct hpi_message *phm, if (index < HPI_MAX_ADAPTERS) { phr->u.s.adapter_index = adapters.adapter[index].index; - phr->u.s.adapter_type = adapters.adapter[index].adapter_type; + phr->u.s.adapter_type = adapters.adapter[index].type; } else { phr->u.s.adapter_index = 0; phr->u.s.adapter_type = 0; - phr->error = HPI_ERROR_BAD_ADAPTER_NUMBER; + phr->error = HPI_ERROR_INVALID_OBJ_INDEX; } } @@ -227,8 +227,9 @@ static unsigned int control_cache_alloc_check(struct hpi_control_cache *pC) if (info->control_type) { pC->p_info[info->control_index] = info; cached++; - } else /* dummy cache entry */ + } else { /* dummy cache entry */ pC->p_info[info->control_index] = NULL; + } byte_count += info->size_in32bit_words * 4; @@ -298,7 +299,7 @@ struct pad_ofs_size { unsigned int field_size; }; -static struct pad_ofs_size pad_desc[] = { +static const struct pad_ofs_size pad_desc[] = { HPICMN_PAD_OFS_AND_SIZE(c_channel), /* HPI_PAD_CHANNEL_NAME */ HPICMN_PAD_OFS_AND_SIZE(c_artist), /* HPI_PAD_ARTIST */ HPICMN_PAD_OFS_AND_SIZE(c_title), /* HPI_PAD_TITLE */ @@ -314,8 +315,7 @@ short hpi_check_control_cache(struct hpi_control_cache *p_cache, short found = 1; struct hpi_control_cache_info *pI; struct hpi_control_cache_single *pC; - struct hpi_control_cache_pad *p_pad; - + size_t response_size; if (!find_control(phm->obj_index, p_cache, &pI)) { HPI_DEBUG_LOG(VERBOSE, "HPICMN find_control() failed for adap %d\n", @@ -324,12 +324,18 @@ short hpi_check_control_cache(struct hpi_control_cache *p_cache, } phr->error = 0; + phr->specific_error = 0; + phr->version = 0; + + /* set the default response size */ + response_size = + sizeof(struct hpi_response_header) + + sizeof(struct hpi_control_res); /* 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; - p_pad = (struct hpi_control_cache_pad *)pI; switch (pI->control_type) { @@ -527,10 +533,12 @@ short hpi_check_control_cache(struct hpi_control_cache *p_cache, found ? "Cached" : "Uncached", phm->adapter_index, pI->control_index, pI->control_type, phm->u.c.attribute); - if (found) - phr->size = - sizeof(struct hpi_response_header) + - sizeof(struct hpi_control_res); + if (found) { + phr->size = (u16)response_size; + phr->type = HPI_TYPE_RESPONSE; + phr->object = phm->object; + phr->function = phm->function; + } return found; } @@ -617,6 +625,10 @@ void hpi_cmn_control_cache_sync_to_msg(struct hpi_control_cache *p_cache, } } +/** 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) { @@ -625,13 +637,12 @@ struct hpi_control_cache *hpi_alloc_control_cache(const u32 control_count, if (!p_cache) return NULL; - p_cache->p_info = - kmalloc(sizeof(*p_cache->p_info) * control_count, GFP_KERNEL); + p_cache->p_info = kcalloc(control_count, sizeof(*p_cache->p_info), + GFP_KERNEL); if (!p_cache->p_info) { kfree(p_cache); return NULL; } - memset(p_cache->p_info, 0, sizeof(*p_cache->p_info) * control_count); p_cache->cache_size_in_bytes = size_in_bytes; p_cache->control_count = control_count; p_cache->p_cache = p_dsp_control_buffer; @@ -667,7 +678,6 @@ static void subsys_message(struct hpi_message *phm, struct hpi_response *phr) phr->u.s.num_adapters = adapters.gw_num_adapters; break; case HPI_SUBSYS_CREATE_ADAPTER: - case HPI_SUBSYS_DELETE_ADAPTER: break; default: phr->error = HPI_ERROR_INVALID_FUNC; @@ -678,7 +688,7 @@ static void subsys_message(struct hpi_message *phm, struct hpi_response *phr) void HPI_COMMON(struct hpi_message *phm, struct hpi_response *phr) { switch (phm->type) { - case HPI_TYPE_MESSAGE: + case HPI_TYPE_REQUEST: switch (phm->object) { case HPI_OBJ_SUBSYSTEM: subsys_message(phm, phr); |
