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- /******************************************************************************
- 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
- \file hpicmn.c
- Common functions used by hpixxxx.c modules
- (C) Copyright AudioScience Inc. 1998-2003
- *******************************************************************************/
- #define SOURCEFILE_NAME "hpicmn.c"
- #include "hpi_internal.h"
- #include "hpidebug.h"
- #include "hpimsginit.h"
- #include "hpicmn.h"
- struct hpi_adapters_list {
- struct hpios_spinlock list_lock;
- struct hpi_adapter_obj adapter[HPI_MAX_ADAPTERS];
- u16 gw_num_adapters;
- };
- static struct hpi_adapters_list adapters;
- /**
- * Given an HPI Message that was sent out and a response that was received,
- * validate that the response has the correct fields filled in,
- * i.e ObjectType, Function etc
- **/
- u16 hpi_validate_response(struct hpi_message *phm, struct hpi_response *phr)
- {
- if (phr->type != HPI_TYPE_RESPONSE) {
- HPI_DEBUG_LOG(ERROR, "header type %d invalid\n", phr->type);
- return HPI_ERROR_INVALID_RESPONSE;
- }
- if (phr->object != phm->object) {
- HPI_DEBUG_LOG(ERROR, "header object %d invalid\n",
- phr->object);
- return HPI_ERROR_INVALID_RESPONSE;
- }
- if (phr->function != phm->function) {
- HPI_DEBUG_LOG(ERROR, "header function %d invalid\n",
- phr->function);
- return HPI_ERROR_INVALID_RESPONSE;
- }
- return 0;
- }
- u16 hpi_add_adapter(struct hpi_adapter_obj *pao)
- {
- u16 retval = 0;
- /*HPI_ASSERT(pao->type); */
- hpios_alistlock_lock(&adapters);
- if (pao->index >= HPI_MAX_ADAPTERS) {
- retval = HPI_ERROR_BAD_ADAPTER_NUMBER;
- goto unlock;
- }
- if (adapters.adapter[pao->index].type) {
- int a;
- for (a = HPI_MAX_ADAPTERS - 1; a >= 0; a--) {
- if (!adapters.adapter[a].type) {
- HPI_DEBUG_LOG(WARNING,
- "ASI%X duplicate index %d moved to %d\n",
- pao->type, pao->index, a);
- pao->index = a;
- break;
- }
- }
- if (a < 0) {
- retval = HPI_ERROR_DUPLICATE_ADAPTER_NUMBER;
- goto unlock;
- }
- }
- adapters.adapter[pao->index] = *pao;
- hpios_dsplock_init(&adapters.adapter[pao->index]);
- adapters.gw_num_adapters++;
- unlock:
- hpios_alistlock_unlock(&adapters);
- return retval;
- }
- void hpi_delete_adapter(struct hpi_adapter_obj *pao)
- {
- if (!pao->type) {
- HPI_DEBUG_LOG(ERROR, "removing null adapter?\n");
- return;
- }
- hpios_alistlock_lock(&adapters);
- if (adapters.adapter[pao->index].type)
- adapters.gw_num_adapters--;
- memset(&adapters.adapter[pao->index], 0, sizeof(adapters.adapter[0]));
- hpios_alistlock_unlock(&adapters);
- }
- /**
- * FindAdapter returns a pointer to the struct hpi_adapter_obj with
- * index wAdapterIndex in an HPI_ADAPTERS_LIST structure.
- *
- */
- struct hpi_adapter_obj *hpi_find_adapter(u16 adapter_index)
- {
- struct hpi_adapter_obj *pao = NULL;
- if (adapter_index >= HPI_MAX_ADAPTERS) {
- HPI_DEBUG_LOG(VERBOSE, "find_adapter invalid index %d\n",
- adapter_index);
- return NULL;
- }
- pao = &adapters.adapter[adapter_index];
- if (pao->type != 0) {
- /*
- HPI_DEBUG_LOG(VERBOSE, "Found adapter index %d\n",
- wAdapterIndex);
- */
- return pao;
- } else {
- /*
- HPI_DEBUG_LOG(VERBOSE, "No adapter index %d\n",
- wAdapterIndex);
- */
- return NULL;
- }
- }
- /**
- *
- * wipe an HPI_ADAPTERS_LIST structure.
- *
- **/
- static void wipe_adapter_list(void)
- {
- memset(&adapters, 0, sizeof(adapters));
- }
- static void subsys_get_adapter(struct hpi_message *phm,
- struct hpi_response *phr)
- {
- int count = phm->obj_index;
- u16 index = 0;
- /* find the nCount'th nonzero adapter in array */
- for (index = 0; index < HPI_MAX_ADAPTERS; index++) {
- if (adapters.adapter[index].type) {
- if (!count)
- break;
- count--;
- }
- }
- if (index < HPI_MAX_ADAPTERS) {
- phr->u.s.adapter_index = adapters.adapter[index].index;
- 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_INVALID_OBJ_INDEX;
- }
- }
- static unsigned int control_cache_alloc_check(struct hpi_control_cache *pC)
- {
- unsigned int i;
- int cached = 0;
- if (!pC)
- return 0;
- if (pC->init)
- return pC->init;
- if (!pC->p_cache)
- return 0;
- if (pC->control_count && pC->cache_size_in_bytes) {
- char *p_master_cache;
- unsigned int byte_count = 0;
- p_master_cache = (char *)pC->p_cache;
- HPI_DEBUG_LOG(DEBUG, "check %d controls\n",
- pC->control_count);
- for (i = 0; i < pC->control_count; i++) {
- struct hpi_control_cache_info *info =
- (struct hpi_control_cache_info *)
- &p_master_cache[byte_count];
- u16 control_index = info->control_index;
- if (control_index >= pC->control_count) {
- HPI_DEBUG_LOG(INFO,
- "adap %d control index %d out of range, cache not ready?\n",
- pC->adap_idx, control_index);
- return 0;
- }
- if (!info->size_in32bit_words) {
- if (!i) {
- HPI_DEBUG_LOG(INFO,
- "adap %d cache not ready?\n",
- pC->adap_idx);
- return 0;
- }
- /* The cache is invalid.
- * Minimum valid entry size is
- * sizeof(struct hpi_control_cache_info)
- */
- HPI_DEBUG_LOG(ERROR,
- "adap %d zero size cache entry %d\n",
- pC->adap_idx, i);
- break;
- }
- if (info->control_type) {
- pC->p_info[control_index] = info;
- cached++;
- } else { /* dummy cache entry */
- pC->p_info[control_index] = NULL;
- }
- byte_count += info->size_in32bit_words * 4;
- HPI_DEBUG_LOG(VERBOSE,
- "cached %d, pinfo %p index %d type %d size %d\n",
- cached, pC->p_info[info->control_index],
- info->control_index, info->control_type,
- info->size_in32bit_words);
- /* quit loop early if whole cache has been scanned.
- * dwControlCount is the maximum possible entries
- * but some may be absent from the cache
- */
- if (byte_count >= pC->cache_size_in_bytes)
- break;
- /* have seen last control index */
- if (info->control_index == pC->control_count - 1)
- break;
- }
- if (byte_count != pC->cache_size_in_bytes)
- HPI_DEBUG_LOG(WARNING,
- "adap %d bytecount %d != cache size %d\n",
- pC->adap_idx, byte_count,
- pC->cache_size_in_bytes);
- else
- HPI_DEBUG_LOG(DEBUG,
- "adap %d cache good, bytecount == cache size = %d\n",
- pC->adap_idx, byte_count);
- pC->init = (u16)cached;
- }
- return pC->init;
- }
- /** Find a control.
- */
- static short find_control(u16 control_index,
- struct hpi_control_cache *p_cache, struct hpi_control_cache_info **pI)
- {
- if (!control_cache_alloc_check(p_cache)) {
- HPI_DEBUG_LOG(VERBOSE,
- "control_cache_alloc_check() failed %d\n",
- control_index);
- return 0;
- }
- *pI = p_cache->p_info[control_index];
- if (!*pI) {
- HPI_DEBUG_LOG(VERBOSE, "Uncached Control %d\n",
- control_index);
- return 0;
- } else {
- HPI_DEBUG_LOG(VERBOSE, "find_control() type %d\n",
- (*pI)->control_type);
- }
- return 1;
- }
- /* allow unified treatment of several string fields within struct */
- #define HPICMN_PAD_OFS_AND_SIZE(m) {\
- offsetof(struct hpi_control_cache_pad, m), \
- sizeof(((struct hpi_control_cache_pad *)(NULL))->m) }
- struct pad_ofs_size {
- unsigned int offset;
- unsigned int field_size;
- };
- 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 */
- HPICMN_PAD_OFS_AND_SIZE(c_comment), /* HPI_PAD_COMMENT */
- };
- /** CheckControlCache checks the cache and fills the struct hpi_response
- * accordingly. It returns one if a cache hit occurred, zero otherwise.
- */
- short hpi_check_control_cache_single(struct hpi_control_cache_single *pC,
- struct hpi_message *phm, struct hpi_response *phr)
- {
- size_t response_size;
- short found = 1;
- /* set the default response size */
- response_size =
- sizeof(struct hpi_response_header) +
- sizeof(struct hpi_control_res);
- switch (pC->u.i.control_type) {
- case HPI_CONTROL_METER:
- if (phm->u.c.attribute == HPI_METER_PEAK) {
- phr->u.c.an_log_value[0] = pC->u.meter.an_log_peak[0];
- 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;
- 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;
- }
- }
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