alsa-utils/alsactl/alsactl_parser.y
1999-05-02 16:21:40 +00:00

844 lines
22 KiB
Text

%{
/*
* Advanced Linux Sound Architecture Control Program
* Copyright (c) 1998 by Perex, APS, University of South Bohemia
*
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* 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., 675 Mass Ave, Cambridge, MA 02139, USA.
*
*/
#include "alsactl.h"
#include <stdarg.h>
/* insgus_lexer.c */
int yylex( void );
extern char cfgfile[];
extern int linecount;
extern FILE *yyin;
/* structure for byte arrays */
struct bytearray {
unsigned char *data;
size_t datalen;
};
/* local functions */
static void yyerror(char *, ...);
static void build_soundcard(char *name);
static void build_mixer(char *name);
static void build_pcm(char *name);
static void build_rawmidi(char *name);
static void build_mixer_element(char *name, int index, int etype);
static void build_control_switch(char *name);
static void build_mixer_switch(char *name);
static void build_pcm_playback_switch(char *name);
static void build_pcm_record_switch(char *name);
static void build_rawmidi_output_switch(char *name);
static void build_rawmidi_input_switch(char *name);
static void mixer_switch1(int end);
static void mixer_switch1_value(int val);
static void mixer_switch2(int end);
static void mixer_switch2_value(int val);
static void mixer_switch3(int end);
static void mixer_switch3_value(int val);
static void mixer_volume1(int end);
static void mixer_volume1_value(int val);
static void mixer_3d_effect1(int end);
static void mixer_3d_effect1_value(unsigned int effect, int val);
static void mixer_accu3(int end);
static void mixer_accu3_value(int val);
static void mixer_mux1(int end);
static void mixer_mux1_value(char *str, int index, int type);
static void mixer_mux2(int end);
static void mixer_mux2_value(char *str, int index, int type);
static void mixer_tone_control1(int end);
static void mixer_tone_control1_value(unsigned int effect, int val);
static void set_switch_boolean(int val);
static void set_switch_integer(int val);
static void set_switch_bytearray(struct bytearray val);
static void set_switch_iec958ocs_begin(int end);
static void set_switch_iec958ocs(int idx, unsigned short val, unsigned short mask);
/* local variables */
static struct soundcard *Xsoundcard = NULL;
static struct mixer *Xmixer = NULL;
static struct pcm *Xpcm = NULL;
static struct rawmidi *Xrawmidi = NULL;
static struct mixer_element *Xelement = NULL;
static struct ctl_switch *Xswitch = NULL;
static unsigned int Xswitchiec958ocs = 0;
static unsigned short Xswitchiec958ocs1[16];
%}
%start lines
%union {
int b_value;
int i_value;
char *s_value;
struct bytearray a_value;
};
%token <b_value> L_TRUE L_FALSE
%token <i_value> L_INTEGER
%token <s_value> L_STRING
%token <a_value> L_BYTEARRAY
/* types */
%token L_INTEGER L_STRING
/* boolean */
%token L_FALSE L_TRUE
/* misc */
%token L_DOUBLE1
/* other keywords */
%token L_SOUNDCARD L_MIXER L_ELEMENT L_SWITCH L_RAWDATA
%token L_CONTROL L_PCM L_RAWMIDI L_PLAYBACK L_RECORD L_INPUT L_OUTPUT
%token L_SWITCH1 L_SWITCH2 L_SWITCH3 L_VOLUME1 L_3D_EFFECT1 L_ACCU3
%token L_MUX1 L_MUX2 L_TONE_CONTROL1
%token L_IEC958OCS L_3D L_RESET L_USER L_VALID L_DATA L_PROTECT L_PRE2
%token L_FSUNLOCK L_TYPE L_GSTATUS L_ENABLE L_DISABLE
%token L_SW L_MONO_SW L_WIDE L_VOLUME L_CENTER L_SPACE L_DEPTH L_DELAY
%token L_FEEDBACK L_BASS L_TREBLE
%type <b_value> boolean
%type <i_value> integer
%type <s_value> string
%type <a_value> rawdata
%%
lines : line
| lines line
;
line : L_SOUNDCARD '(' string { build_soundcard($3); }
L_DOUBLE1 soundcards '}' { build_soundcard(NULL); }
| error { yyerror("unknown keyword in top level"); }
;
soundcards : soundcard
| soundcards soundcard
;
soundcard : L_CONTROL '{' controls '}'
| L_MIXER '(' string { build_mixer($3); }
L_DOUBLE1 mixers '}' { build_mixer(NULL); }
| L_PCM '(' string { build_pcm($3); }
L_DOUBLE1 pcms '}' { build_pcm(NULL); }
| L_RAWMIDI '(' string { build_rawmidi($3); }
L_DOUBLE1 rawmidis '}' { build_rawmidi(NULL); }
| error { yyerror( "an unknown keyword in the soundcard{} level"); }
;
controls : control
| controls control
;
control : L_SWITCH '(' string { build_control_switch($3); }
',' switches ')' { build_control_switch(NULL); }
| error { yyerror("an unknown keyword in the control{} level"); }
;
mixers : mixer
| mixers mixer
;
mixer : L_ELEMENT '(' string
',' integer ',' integer { build_mixer_element($3, $5, $7); }
',' etype ')' { build_mixer_element(NULL, -1, -1); }
| L_SWITCH '(' string { build_mixer_switch($3); }
',' switches ')' { build_mixer_switch(NULL); }
| error { yyerror("an unknown keyword in the mixer level"); }
;
etype : L_SWITCH1 '(' { mixer_switch1(0); }
m_switch1 ')' { mixer_switch1(1); }
| L_SWITCH2 '(' { mixer_switch2(0); }
m_switch2 ')' { mixer_switch2(1); }
| L_SWITCH3 '(' { mixer_switch3(0); }
m_switch3 ')' { mixer_switch3(1); }
| L_VOLUME1 '(' { mixer_volume1(0); }
m_volume1 ')' { mixer_volume1(1); }
| L_3D_EFFECT1 '(' { mixer_3d_effect1(0); }
m_3d_effect1 ')' { mixer_3d_effect1(1); }
| L_ACCU3 '(' { mixer_accu3(0); }
m_accu3 ')' { mixer_accu3(1); }
| L_MUX1 '(' { mixer_mux1(0); }
m_mux1 ')' { mixer_mux1(1); }
| L_MUX2 '(' { mixer_mux2(0); }
L_ELEMENT '('
string ','
integer ','
integer ')' { mixer_mux2_value($6, $8, $10); }
')' { mixer_mux2(1); }
| L_TONE_CONTROL1 '(' { mixer_tone_control1(0); }
m_tone_control1 ')' { mixer_tone_control1(1); }
| error { yyerror("an unknown keyword in the mixer element level"); }
;
m_switch1 : m_switch1_0
| m_switch1 ',' m_switch1_0
;
m_switch1_0 : boolean { mixer_switch1_value($1); }
| error { yyerror("an unknown keyword in the Switch1 element level"); }
;
m_switch2 : m_switch2_0
| m_switch2 ',' m_switch2_0
;
m_switch2_0 : boolean { mixer_switch2_value($1); }
| error { yyerror("an unknown keyword in the Switch2 element level"); }
;
m_switch3 : m_switch3_0
| m_switch3 ',' m_switch3_0
;
m_switch3_0 : boolean { mixer_switch3_value($1); }
| error { yyerror("an unknown keyword in the Switch3 element level"); }
;
m_volume1 : m_volume1_0
| m_volume1 ',' m_volume1_0
;
m_volume1_0 : integer { mixer_volume1_value($1); }
| error { yyerror("an unknown keyword in the Volume1 element level"); }
;
m_3d_effect1 : m_3d_effect1_0
| m_3d_effect1 ',' m_3d_effect1_0
;
m_3d_effect1_0 : L_SW '=' boolean { mixer_3d_effect1_value(SND_MIXER_EFF1_SW, $3); }
| L_MONO_SW '=' boolean { mixer_3d_effect1_value(SND_MIXER_EFF1_MONO_SW, $3); }
| L_WIDE '=' integer { mixer_3d_effect1_value(SND_MIXER_EFF1_WIDE, $3); }
| L_VOLUME '=' integer { mixer_3d_effect1_value(SND_MIXER_EFF1_VOLUME, $3); }
| L_CENTER '=' integer { mixer_3d_effect1_value(SND_MIXER_EFF1_CENTER, $3); }
| L_SPACE '=' integer { mixer_3d_effect1_value(SND_MIXER_EFF1_SPACE, $3); }
| L_DEPTH '=' integer { mixer_3d_effect1_value(SND_MIXER_EFF1_DEPTH, $3); }
| L_DELAY '=' integer { mixer_3d_effect1_value(SND_MIXER_EFF1_DELAY, $3); }
| L_FEEDBACK '=' integer { mixer_3d_effect1_value(SND_MIXER_EFF1_FEEDBACK, $3); }
| error { yyerror("an unknown keyword in the 3D Effect1 element level"); }
;
m_accu3 : m_accu3_0
| m_accu3 ',' m_accu3_0
;
m_accu3_0 : integer { mixer_accu3_value($1); }
| error { yyerror("an unknown keyword in the Accu3 element level"); }
;
m_mux1 : m_mux1_0
| m_mux1 ',' m_mux1_0
;
m_mux1_0 : L_ELEMENT '(' string
',' integer ','
integer ')' { mixer_mux1_value($3, $5, $7); }
| error { yyerror("an unknown keyword in the Mux1 element level"); }
;
m_tone_control1 : m_tone_control1_0
| m_tone_control1 ',' m_tone_control1_0
;
m_tone_control1_0 : L_SW '=' boolean { mixer_tone_control1_value(SND_MIXER_TC1_SW, $3); }
| L_BASS '=' integer { mixer_tone_control1_value(SND_MIXER_TC1_BASS, $3); }
| L_TREBLE '=' integer { mixer_tone_control1_value(SND_MIXER_TC1_TREBLE, $3); }
| error { yyerror("an unknown keyword in the ToneControl1 element level"); }
;
pcms : pcm
| pcms pcm
;
pcm : L_PLAYBACK '{' playbacks '}'
| L_RECORD '{' records '}'
| error { yyerror("an unknown keyword in the pcm{} section"); }
;
playbacks : playback
| playbacks playback
;
playback : L_SWITCH '(' string { build_pcm_playback_switch($3); }
',' switches ')' { build_pcm_playback_switch(NULL); }
| error { yyerror("an unknown keyword in the playback{} section"); }
;
records : record
| records record
;
record : L_SWITCH '(' string { build_pcm_record_switch($3); }
',' switches ')' { build_pcm_record_switch(NULL); }
| error { yyerror("an unknown keyword in the record{} section"); }
;
rawmidis : rawmidi
| rawmidis rawmidi
;
rawmidi : L_INPUT '{' inputs '}'
| L_OUTPUT '{' outputs '}'
;
inputs : input
| inputs input
;
input : L_SWITCH '(' string { build_rawmidi_input_switch($3); }
',' switches ')' { build_rawmidi_input_switch(NULL); }
| error { yyerror( "an unknown keyword in the input{} section" ); }
;
outputs : output
| outputs output
;
output : L_SWITCH '(' string { build_rawmidi_output_switch($3); }
',' switches ')' { build_rawmidi_output_switch(NULL); }
| error { yyerror( "an unknown keyword in the output{} section" ); }
;
switches : switch
| switches switch
;
switch : boolean { set_switch_boolean($1); }
| integer { set_switch_integer($1); }
| L_IEC958OCS '(' { set_switch_iec958ocs_begin(0); }
iec958ocs ')' { set_switch_iec958ocs_begin(1); }
| rawdata { set_switch_bytearray($1); }
| error { yyerror( "an unknown keyword in the switch() data parameter" ); }
;
iec958ocs : iec958ocs1
| iec958ocs ',' iec958ocs1
;
iec958ocs1 : L_ENABLE { set_switch_iec958ocs( 0, 1, 0 ); }
| L_DISABLE { set_switch_iec958ocs( 0, 0, 0 ); }
| L_3D { set_switch_iec958ocs( 4, 0x2000, ~0x2000 ); }
| L_RESET { set_switch_iec958ocs( 4, 0x0040, ~0x0040 ); }
| L_USER { set_switch_iec958ocs( 4, 0x0020, ~0x0020 ); }
| L_VALID { set_switch_iec958ocs( 4, 0x0010, ~0x0010 ); }
| L_DATA { set_switch_iec958ocs( 5, 0x0002, ~0x0002 ); }
| L_PROTECT { set_switch_iec958ocs( 5, 0, ~0x0004 ); }
| L_PRE2 { set_switch_iec958ocs( 5, 0x0008, ~0x0018 ); }
| L_FSUNLOCK { set_switch_iec958ocs( 5, 0x0020, ~0x0020 ); }
| L_TYPE '(' integer ')' { set_switch_iec958ocs( 5, ($3 & 0x7f) << 6, ~(0x7f<<6) ); }
| L_GSTATUS { set_switch_iec958ocs( 5, 0x2000, ~0x2000 ); }
| error { yyerror( "an unknown keyword in the iec958ocs1() arguments" ); }
;
boolean : L_TRUE { $$ = 1; }
| L_FALSE { $$ = 0; }
;
integer : L_INTEGER { $$ = $1; }
;
string : L_STRING { $$ = $1; }
;
rawdata : L_RAWDATA '(' L_BYTEARRAY ')' { $$ = $3; }
| L_RAWDATA error { yyerror( "malformed rawdata value" ); }
;
%%
static void yyerror(char *string,...)
{
char errstr[1024];
va_list vars;
va_start(vars, string);
vsprintf(errstr, string, vars);
va_end(vars);
error("Error in configuration file '%s' (line %i): %s", cfgfile, linecount + 1, errstr);
exit(1);
}
static void error_nomem(void)
{
yyerror("No enough memory...\n");
}
static void build_soundcard(char *name)
{
struct soundcard *soundcard;
if (!name) {
Xsoundcard = NULL;
return;
}
Xsoundcard = (struct soundcard *)malloc(sizeof(struct soundcard));
if (!Xsoundcard) {
free(name);
error_nomem();
return;
}
bzero(Xsoundcard, sizeof(*Xsoundcard));
for (soundcard = rsoundcards; soundcard && soundcard->next; soundcard = soundcard->next);
if (soundcard) {
soundcard->next = Xsoundcard;
} else {
rsoundcards = Xsoundcard;
}
strncpy(Xsoundcard->control.hwinfo.id, name, sizeof(Xsoundcard->control.hwinfo.id));
free(name);
}
static void build_mixer(char *name)
{
struct mixer *mixer;
if (!name) {
Xmixer = NULL;
return;
}
Xmixer = (struct mixer *)malloc(sizeof(struct pcm));
if (!Xmixer) {
free(name);
error_nomem();
return;
}
bzero(Xmixer, sizeof(*Xmixer));
for (mixer = Xsoundcard->mixers; mixer && mixer->next; mixer = mixer->next);
if (mixer) {
mixer->next = Xmixer;
} else {
Xsoundcard->mixers = Xmixer;
}
strncpy(Xmixer->info.name, name, sizeof(Xmixer->info.name));
free(name);
}
static void build_pcm(char *name)
{
struct pcm *pcm;
if (!name) {
Xpcm = NULL;
return;
}
Xpcm = (struct pcm *)malloc(sizeof(struct pcm));
if (!Xpcm) {
free(name);
error_nomem();
return;
}
bzero(Xpcm, sizeof(*Xpcm));
for (pcm = Xsoundcard->pcms; pcm && pcm->next; pcm = pcm->next);
if (pcm) {
pcm->next = Xpcm;
} else {
Xsoundcard->pcms = Xpcm;
}
strncpy(Xpcm->info.name, name, sizeof(Xpcm->info.name));
free(name);
}
static void build_rawmidi(char *name)
{
struct rawmidi *rawmidi;
if (!name) {
Xrawmidi = NULL;
return;
}
Xrawmidi = (struct rawmidi *)malloc(sizeof(struct rawmidi));
if (!Xrawmidi) {
free(name);
error_nomem();
return;
}
bzero(Xrawmidi, sizeof(*Xrawmidi));
for (rawmidi = Xsoundcard->rawmidis; rawmidi && rawmidi->next; rawmidi = rawmidi->next);
if (rawmidi) {
rawmidi->next = Xrawmidi;
} else {
Xsoundcard->rawmidis = Xrawmidi;
}
strncpy(Xrawmidi->info.name, name, sizeof(Xrawmidi->info.name));
free(name);
}
static void build_mixer_element(char *name, int index, int etype)
{
struct mixer_element *element;
if (!name) {
Xelement = NULL;
return;
}
Xelement = (struct mixer_element *)malloc(sizeof(struct mixer_element));
if (!Xelement) {
free(name);
error_nomem();
return;
}
bzero(Xelement, sizeof(*Xelement));
for (element = Xmixer->elements; element && element->next; element = element->next);
if (element) {
element->next = Xelement;
} else {
Xmixer->elements = Xelement;
}
strncpy(Xelement->element.eid.name, name, sizeof(Xelement->element.eid.name));
Xelement->element.eid.index = index;
Xelement->element.eid.type = etype;
Xelement->info.eid = Xelement->element.eid;
free(name);
}
static void mixer_type_check(int type)
{
if (Xelement->element.eid.type != type)
yyerror("The element has got the unexpected data type.");
}
static void mixer_switch1(int end)
{
mixer_type_check(SND_MIXER_ETYPE_SWITCH1);
}
static void mixer_switch1_value(int val)
{
unsigned int *ptr;
if (Xelement->element.data.switch1.sw_size <= Xelement->element.data.switch1.sw) {
Xelement->element.data.switch1.sw_size += 32;
ptr = (unsigned int *)realloc(Xelement->element.data.switch1.psw, ((Xelement->element.data.switch1.sw_size + 31) / 32) * sizeof(unsigned int));
if (ptr == NULL) {
error_nomem();
return;
}
Xelement->element.data.switch1.psw = ptr;
}
snd_mixer_set_bit(Xelement->element.data.switch1.psw, Xelement->element.data.switch1.sw++, val ? 1 : 0);
}
static void mixer_switch2(int end)
{
mixer_type_check(SND_MIXER_ETYPE_SWITCH2);
}
static void mixer_switch2_value(int val)
{
Xelement->element.data.switch2.sw = val ? 1 : 0;
}
static void mixer_switch3(int end)
{
mixer_type_check(SND_MIXER_ETYPE_SWITCH3);
}
static void mixer_switch3_value(int val)
{
unsigned int *ptr;
if (Xelement->element.data.switch3.rsw_size <= Xelement->element.data.switch3.rsw) {
Xelement->element.data.switch3.rsw_size += 32;
ptr = (unsigned int *)realloc(Xelement->element.data.switch1.psw, ((Xelement->element.data.switch3.rsw_size + 31) / 32) * sizeof(unsigned int));
if (ptr == NULL) {
error_nomem();
return;
}
Xelement->element.data.switch3.prsw = ptr;
}
snd_mixer_set_bit(Xelement->element.data.switch3.prsw, Xelement->element.data.switch3.rsw++, val ? 1 : 0);
}
static void mixer_volume1(int end)
{
mixer_type_check(SND_MIXER_ETYPE_VOLUME1);
}
static void mixer_volume1_value(int val)
{
int *ptr;
if (Xelement->element.data.volume1.voices_size <= Xelement->element.data.volume1.voices) {
Xelement->element.data.volume1.voices_size += 4;
ptr = (int *)realloc(Xelement->element.data.volume1.pvoices, Xelement->element.data.volume1.voices_size * sizeof(int));
if (ptr == NULL) {
error_nomem();
return;
}
Xelement->element.data.volume1.pvoices = ptr;
}
Xelement->element.data.volume1.pvoices[Xelement->element.data.volume1.voices++] = val;
}
static void mixer_3d_effect1(int end)
{
mixer_type_check(SND_MIXER_ETYPE_3D_EFFECT1);
}
static void mixer_3d_effect1_value(unsigned int effect, int val)
{
switch (effect) {
case SND_MIXER_EFF1_SW:
Xelement->element.data.teffect1.sw = val ? 1 : 0;
break;
case SND_MIXER_EFF1_MONO_SW:
Xelement->element.data.teffect1.mono_sw = val ? 1 : 0;
break;
case SND_MIXER_EFF1_WIDE:
Xelement->element.data.teffect1.wide = val;
break;
case SND_MIXER_EFF1_VOLUME:
Xelement->element.data.teffect1.volume = val;
break;
case SND_MIXER_EFF1_CENTER:
Xelement->element.data.teffect1.center = val;
break;
case SND_MIXER_EFF1_SPACE:
Xelement->element.data.teffect1.space = val;
break;
case SND_MIXER_EFF1_DEPTH:
Xelement->element.data.teffect1.depth = val;
break;
case SND_MIXER_EFF1_DELAY:
Xelement->element.data.teffect1.delay = val;
break;
case SND_MIXER_EFF1_FEEDBACK:
Xelement->element.data.teffect1.feedback = val;
break;
default:
yyerror("Unknown effect 0x%x\n", effect);
}
}
static void mixer_accu3(int end)
{
mixer_type_check(SND_MIXER_ETYPE_ACCU3);
}
static void mixer_accu3_value(int val)
{
int *ptr;
if (Xelement->element.data.accu3.voices_size <= Xelement->element.data.accu3.voices) {
Xelement->element.data.accu3.voices_size += 4;
ptr = (int *)realloc(Xelement->element.data.accu3.pvoices, Xelement->element.data.accu3.voices_size * sizeof(int));
if (ptr == NULL) {
error_nomem();
return;
}
Xelement->element.data.accu3.pvoices = ptr;
}
Xelement->element.data.accu3.pvoices[Xelement->element.data.accu3.voices++] = val;
}
static void mixer_mux1(int end)
{
mixer_type_check(SND_MIXER_ETYPE_MUX1);
}
static void mixer_mux1_value(char *name, int index, int type)
{
snd_mixer_eid_t *ptr;
snd_mixer_eid_t *eid;
if (Xelement->element.data.mux1.output_size <= Xelement->element.data.mux1.output) {
Xelement->element.data.mux1.output_size += 4;
ptr = (snd_mixer_eid_t *)realloc(Xelement->element.data.mux1.poutput, Xelement->element.data.mux1.output_size * sizeof(snd_mixer_eid_t));
if (ptr == NULL) {
error_nomem();
free(name);
return;
}
Xelement->element.data.mux1.poutput = ptr;
}
eid = &Xelement->element.data.mux1.poutput[Xelement->element.data.mux1.output++];
strncpy(eid->name, name, sizeof(eid->name));
eid->index = index;
eid->type = type;
free(name);
}
static void mixer_mux2(int end)
{
mixer_type_check(SND_MIXER_ETYPE_MUX2);
}
static void mixer_mux2_value(char *name, int index, int type)
{
snd_mixer_eid_t *eid;
eid = &Xelement->element.data.mux2.output;
strncpy(eid->name, name, sizeof(eid->name));
eid->index = index;
eid->type = type;
free(name);
}
static void mixer_tone_control1(int end)
{
mixer_type_check(SND_MIXER_ETYPE_TONE_CONTROL1);
}
static void mixer_tone_control1_value(unsigned int effect, int val)
{
switch (effect) {
case SND_MIXER_TC1_SW:
Xelement->element.data.tc1.sw = val ? 1 : 0;
break;
case SND_MIXER_TC1_BASS:
Xelement->element.data.tc1.bass = val;
break;
case SND_MIXER_TC1_TREBLE:
Xelement->element.data.tc1.treble = val;
break;
default:
yyerror("Unknown effect 0x%x\n", effect);
}
}
static void build_switch(struct ctl_switch **first, char *name)
{
struct ctl_switch *sw;
if (!name) {
Xswitch = NULL;
return;
}
Xswitch = (struct ctl_switch *)malloc(sizeof(struct ctl_switch));
if (!Xswitch) {
free(name);
error_nomem();
return;
}
bzero(Xswitch, sizeof(*Xswitch));
for (sw = *first; sw && sw->next; sw = sw->next);
if (sw) {
sw->next = Xswitch;
} else {
*first = Xswitch;
}
strncpy(Xswitch->s.name, name, sizeof(Xswitch->s.name));
free(name);
}
static void build_control_switch(char *name)
{
build_switch(&Xsoundcard->control.switches, name);
}
static void build_mixer_switch(char *name)
{
build_switch(&Xmixer->switches, name);
}
static void build_pcm_playback_switch(char *name)
{
build_switch(&Xpcm->pswitches, name);
}
static void build_pcm_record_switch(char *name)
{
build_switch(&Xpcm->rswitches, name);
}
static void build_rawmidi_output_switch(char *name)
{
build_switch(&Xrawmidi->oswitches, name);
}
static void build_rawmidi_input_switch(char *name)
{
build_switch(&Xrawmidi->iswitches, name);
}
static void set_switch_boolean(int val)
{
Xswitch->s.type = SND_SW_TYPE_BOOLEAN;
Xswitch->s.value.enable = val ? 1 : 0;
}
static void set_switch_integer(int val)
{
unsigned int xx;
Xswitch->s.type = SND_SW_TYPE_DWORD;
xx = val;
memcpy(&Xswitch->s.value, &xx, sizeof(xx));
}
static void set_switch_bytearray(struct bytearray val)
{
Xswitch->s.type = SND_SW_TYPE_LAST + 1;
if (val.datalen > 32)
yyerror("Byte array too large for switch.");
memcpy(Xswitch->s.value.data8, val.data, val.datalen);
}
static void set_switch_iec958ocs_begin(int end)
{
if (end) {
Xswitch->s.value.enable = Xswitchiec958ocs;
Xswitch->s.value.data16[4] = Xswitchiec958ocs1[4];
Xswitch->s.value.data16[5] = Xswitchiec958ocs1[5];
#if 0
printf("IEC958: enable = %i, ocs1[4] = 0x%x, ocs1[5] = 0x%x\n",
sw->value.enable,
sw->value.data16[4],
sw->value.data16[5]);
#endif
return;
}
Xswitch->s.type = SND_SW_TYPE_BOOLEAN;
Xswitch->s.value.data32[1] = ('C' << 8) | 'S';
Xswitchiec958ocs = 0;
Xswitchiec958ocs1[4] = 0x0000;
Xswitchiec958ocs1[5] = 0x0004; /* copy permitted */
}
static void set_switch_iec958ocs(int idx, unsigned short val, unsigned short mask)
{
if (idx == 0) {
Xswitchiec958ocs = val ? 1 : 0;
return;
}
Xswitchiec958ocs1[idx] &= mask;
Xswitchiec958ocs1[idx] |= val;
}