mirror of
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
synced 2024-08-23 01:10:04 +00:00
![Eliot Blennerhassett](/assets/img/avatar_default.png)
Signed-off-by: Eliot Blennerhassett <eliot@blennerhassett.gen.nz> Signed-off-by: Takashi Iwai <tiwai@suse.de>
722 lines
18 KiB
C
722 lines
18 KiB
C
/******************************************************************************
|
|
|
|
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;
|
|
}
|
|
}
|