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Merge remote branch 'alsa/devel' into topic/misc

This commit is contained in:
Takashi Iwai 2010-02-12 10:42:38 +01:00
parent cebe41d4b8 c3a3e040f0
commit a540e13386
3 changed files with 273 additions and 165 deletions
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290
sound/drivers/dummy.c
View File

@ -45,109 +45,23 @@ MODULE_SUPPORTED_DEVICE("{{ALSA,Dummy soundcard}}");
#define MAX_PCM_SUBSTREAMS 128 #define MAX_PCM_SUBSTREAMS 128
#define MAX_MIDI_DEVICES 2 #define MAX_MIDI_DEVICES 2
#if 0 /* emu10k1 emulation */
#define MAX_BUFFER_SIZE (128 * 1024)
static int emu10k1_playback_constraints(struct snd_pcm_runtime *runtime)
{
int err;
err = snd_pcm_hw_constraint_integer(runtime, SNDRV_PCM_HW_PARAM_PERIODS);
if (err < 0)
return err;
err = snd_pcm_hw_constraint_minmax(runtime, SNDRV_PCM_HW_PARAM_BUFFER_BYTES, 256, UINT_MAX);
if (err < 0)
return err;
return 0;
}
#define add_playback_constraints emu10k1_playback_constraints
#endif
#if 0 /* RME9652 emulation */
#define MAX_BUFFER_SIZE (26 * 64 * 1024)
#define USE_FORMATS SNDRV_PCM_FMTBIT_S32_LE
#define USE_CHANNELS_MIN 26
#define USE_CHANNELS_MAX 26
#define USE_PERIODS_MIN 2
#define USE_PERIODS_MAX 2
#endif
#if 0 /* ICE1712 emulation */
#define MAX_BUFFER_SIZE (256 * 1024)
#define USE_FORMATS SNDRV_PCM_FMTBIT_S32_LE
#define USE_CHANNELS_MIN 10
#define USE_CHANNELS_MAX 10
#define USE_PERIODS_MIN 1
#define USE_PERIODS_MAX 1024
#endif
#if 0 /* UDA1341 emulation */
#define MAX_BUFFER_SIZE (16380)
#define USE_FORMATS SNDRV_PCM_FMTBIT_S16_LE
#define USE_CHANNELS_MIN 2
#define USE_CHANNELS_MAX 2
#define USE_PERIODS_MIN 2
#define USE_PERIODS_MAX 255
#endif
#if 0 /* simple AC97 bridge (intel8x0) with 48kHz AC97 only codec */
#define USE_FORMATS SNDRV_PCM_FMTBIT_S16_LE
#define USE_CHANNELS_MIN 2
#define USE_CHANNELS_MAX 2
#define USE_RATE SNDRV_PCM_RATE_48000
#define USE_RATE_MIN 48000
#define USE_RATE_MAX 48000
#endif
#if 0 /* CA0106 */
#define USE_FORMATS SNDRV_PCM_FMTBIT_S16_LE
#define USE_CHANNELS_MIN 2
#define USE_CHANNELS_MAX 2
#define USE_RATE (SNDRV_PCM_RATE_48000|SNDRV_PCM_RATE_96000|SNDRV_PCM_RATE_192000)
#define USE_RATE_MIN 48000
#define USE_RATE_MAX 192000
#define MAX_BUFFER_SIZE ((65536-64)*8)
#define MAX_PERIOD_SIZE (65536-64)
#define USE_PERIODS_MIN 2
#define USE_PERIODS_MAX 8
#endif
/* defaults */ /* defaults */
#ifndef MAX_BUFFER_SIZE
#define MAX_BUFFER_SIZE (64*1024) #define MAX_BUFFER_SIZE (64*1024)
#endif #define MIN_PERIOD_SIZE 64
#ifndef MAX_PERIOD_SIZE
#define MAX_PERIOD_SIZE MAX_BUFFER_SIZE #define MAX_PERIOD_SIZE MAX_BUFFER_SIZE
#endif
#ifndef USE_FORMATS
#define USE_FORMATS (SNDRV_PCM_FMTBIT_U8 | SNDRV_PCM_FMTBIT_S16_LE) #define USE_FORMATS (SNDRV_PCM_FMTBIT_U8 | SNDRV_PCM_FMTBIT_S16_LE)
#endif
#ifndef USE_RATE
#define USE_RATE SNDRV_PCM_RATE_CONTINUOUS | SNDRV_PCM_RATE_8000_48000 #define USE_RATE SNDRV_PCM_RATE_CONTINUOUS | SNDRV_PCM_RATE_8000_48000
#define USE_RATE_MIN 5500 #define USE_RATE_MIN 5500
#define USE_RATE_MAX 48000 #define USE_RATE_MAX 48000
#endif
#ifndef USE_CHANNELS_MIN
#define USE_CHANNELS_MIN 1 #define USE_CHANNELS_MIN 1
#endif
#ifndef USE_CHANNELS_MAX
#define USE_CHANNELS_MAX 2 #define USE_CHANNELS_MAX 2
#endif
#ifndef USE_PERIODS_MIN
#define USE_PERIODS_MIN 1 #define USE_PERIODS_MIN 1
#endif
#ifndef USE_PERIODS_MAX
#define USE_PERIODS_MAX 1024 #define USE_PERIODS_MAX 1024
#endif
#ifndef add_playback_constraints
#define add_playback_constraints(x) 0
#endif
#ifndef add_capture_constraints
#define add_capture_constraints(x) 0
#endif
static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX; /* Index 0-MAX */ static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX; /* Index 0-MAX */
static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR; /* ID for this card */ static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR; /* ID for this card */
static int enable[SNDRV_CARDS] = {1, [1 ... (SNDRV_CARDS - 1)] = 0}; static int enable[SNDRV_CARDS] = {1, [1 ... (SNDRV_CARDS - 1)] = 0};
static char *model[SNDRV_CARDS] = {[0 ... (SNDRV_CARDS - 1)] = NULL};
static int pcm_devs[SNDRV_CARDS] = {[0 ... (SNDRV_CARDS - 1)] = 1}; static int pcm_devs[SNDRV_CARDS] = {[0 ... (SNDRV_CARDS - 1)] = 1};
static int pcm_substreams[SNDRV_CARDS] = {[0 ... (SNDRV_CARDS - 1)] = 8}; static int pcm_substreams[SNDRV_CARDS] = {[0 ... (SNDRV_CARDS - 1)] = 8};
//static int midi_devs[SNDRV_CARDS] = {[0 ... (SNDRV_CARDS - 1)] = 2}; //static int midi_devs[SNDRV_CARDS] = {[0 ... (SNDRV_CARDS - 1)] = 2};
@ -162,6 +76,8 @@ module_param_array(id, charp, NULL, 0444);
MODULE_PARM_DESC(id, "ID string for dummy soundcard."); MODULE_PARM_DESC(id, "ID string for dummy soundcard.");
module_param_array(enable, bool, NULL, 0444); module_param_array(enable, bool, NULL, 0444);
MODULE_PARM_DESC(enable, "Enable this dummy soundcard."); MODULE_PARM_DESC(enable, "Enable this dummy soundcard.");
module_param_array(model, charp, NULL, 0444);
MODULE_PARM_DESC(model, "Soundcard model.");
module_param_array(pcm_devs, int, NULL, 0444); module_param_array(pcm_devs, int, NULL, 0444);
MODULE_PARM_DESC(pcm_devs, "PCM devices # (0-4) for dummy driver."); MODULE_PARM_DESC(pcm_devs, "PCM devices # (0-4) for dummy driver.");
module_param_array(pcm_substreams, int, NULL, 0444); module_param_array(pcm_substreams, int, NULL, 0444);
@ -193,15 +109,120 @@ struct dummy_timer_ops {
snd_pcm_uframes_t (*pointer)(struct snd_pcm_substream *); snd_pcm_uframes_t (*pointer)(struct snd_pcm_substream *);
}; };
struct dummy_model {
const char *name;
int (*playback_constraints)(struct snd_pcm_runtime *runtime);
int (*capture_constraints)(struct snd_pcm_runtime *runtime);
u64 formats;
size_t buffer_bytes_max;
size_t period_bytes_min;
size_t period_bytes_max;
unsigned int periods_min;
unsigned int periods_max;
unsigned int rates;
unsigned int rate_min;
unsigned int rate_max;
unsigned int channels_min;
unsigned int channels_max;
};
struct snd_dummy { struct snd_dummy {
struct snd_card *card; struct snd_card *card;
struct dummy_model *model;
struct snd_pcm *pcm; struct snd_pcm *pcm;
struct snd_pcm_hardware pcm_hw;
spinlock_t mixer_lock; spinlock_t mixer_lock;
int mixer_volume[MIXER_ADDR_LAST+1][2]; int mixer_volume[MIXER_ADDR_LAST+1][2];
int capture_source[MIXER_ADDR_LAST+1][2]; int capture_source[MIXER_ADDR_LAST+1][2];
const struct dummy_timer_ops *timer_ops; const struct dummy_timer_ops *timer_ops;
}; };
/*
* card models
*/
static int emu10k1_playback_constraints(struct snd_pcm_runtime *runtime)
{
int err;
err = snd_pcm_hw_constraint_integer(runtime, SNDRV_PCM_HW_PARAM_PERIODS);
if (err < 0)
return err;
err = snd_pcm_hw_constraint_minmax(runtime, SNDRV_PCM_HW_PARAM_BUFFER_BYTES, 256, UINT_MAX);
if (err < 0)
return err;
return 0;
}
struct dummy_model model_emu10k1 = {
.name = "emu10k1",
.playback_constraints = emu10k1_playback_constraints,
.buffer_bytes_max = 128 * 1024,
};
struct dummy_model model_rme9652 = {
.name = "rme9652",
.buffer_bytes_max = 26 * 64 * 1024,
.formats = SNDRV_PCM_FMTBIT_S32_LE,
.channels_min = 26,
.channels_max = 26,
.periods_min = 2,
.periods_max = 2,
};
struct dummy_model model_ice1712 = {
.name = "ice1712",
.buffer_bytes_max = 256 * 1024,
.formats = SNDRV_PCM_FMTBIT_S32_LE,
.channels_min = 10,
.channels_max = 10,
.periods_min = 1,
.periods_max = 1024,
};
struct dummy_model model_uda1341 = {
.name = "uda1341",
.buffer_bytes_max = 16380,
.formats = SNDRV_PCM_FMTBIT_S16_LE,
.channels_min = 2,
.channels_max = 2,
.periods_min = 2,
.periods_max = 255,
};
struct dummy_model model_ac97 = {
.name = "ac97",
.formats = SNDRV_PCM_FMTBIT_S16_LE,
.channels_min = 2,
.channels_max = 2,
.rates = SNDRV_PCM_RATE_48000,
.rate_min = 48000,
.rate_max = 48000,
};
struct dummy_model model_ca0106 = {
.name = "ca0106",
.formats = SNDRV_PCM_FMTBIT_S16_LE,
.buffer_bytes_max = ((65536-64)*8),
.period_bytes_max = (65536-64),
.periods_min = 2,
.periods_max = 8,
.channels_min = 2,
.channels_max = 2,
.rates = SNDRV_PCM_RATE_48000|SNDRV_PCM_RATE_96000|SNDRV_PCM_RATE_192000,
.rate_min = 48000,
.rate_max = 192000,
};
struct dummy_model *dummy_models[] = {
&model_emu10k1,
&model_rme9652,
&model_ice1712,
&model_uda1341,
&model_ac97,
&model_ca0106,
NULL
};
/* /*
* system timer interface * system timer interface
*/ */
@ -509,7 +530,7 @@ static struct snd_pcm_hardware dummy_pcm_hardware = {
.channels_min = USE_CHANNELS_MIN, .channels_min = USE_CHANNELS_MIN,
.channels_max = USE_CHANNELS_MAX, .channels_max = USE_CHANNELS_MAX,
.buffer_bytes_max = MAX_BUFFER_SIZE, .buffer_bytes_max = MAX_BUFFER_SIZE,
.period_bytes_min = 64, .period_bytes_min = MIN_PERIOD_SIZE,
.period_bytes_max = MAX_PERIOD_SIZE, .period_bytes_max = MAX_PERIOD_SIZE,
.periods_min = USE_PERIODS_MIN, .periods_min = USE_PERIODS_MIN,
.periods_max = USE_PERIODS_MAX, .periods_max = USE_PERIODS_MAX,
@ -538,6 +559,7 @@ static int dummy_pcm_hw_free(struct snd_pcm_substream *substream)
static int dummy_pcm_open(struct snd_pcm_substream *substream) static int dummy_pcm_open(struct snd_pcm_substream *substream)
{ {
struct snd_dummy *dummy = snd_pcm_substream_chip(substream); struct snd_dummy *dummy = snd_pcm_substream_chip(substream);
struct dummy_model *model = dummy->model;
struct snd_pcm_runtime *runtime = substream->runtime; struct snd_pcm_runtime *runtime = substream->runtime;
int err; int err;
@ -551,7 +573,7 @@ static int dummy_pcm_open(struct snd_pcm_substream *substream)
if (err < 0) if (err < 0)
return err; return err;
runtime->hw = dummy_pcm_hardware; runtime->hw = dummy->pcm_hw;
if (substream->pcm->device & 1) { if (substream->pcm->device & 1) {
runtime->hw.info &= ~SNDRV_PCM_INFO_INTERLEAVED; runtime->hw.info &= ~SNDRV_PCM_INFO_INTERLEAVED;
runtime->hw.info |= SNDRV_PCM_INFO_NONINTERLEAVED; runtime->hw.info |= SNDRV_PCM_INFO_NONINTERLEAVED;
@ -560,10 +582,16 @@ static int dummy_pcm_open(struct snd_pcm_substream *substream)
runtime->hw.info &= ~(SNDRV_PCM_INFO_MMAP | runtime->hw.info &= ~(SNDRV_PCM_INFO_MMAP |
SNDRV_PCM_INFO_MMAP_VALID); SNDRV_PCM_INFO_MMAP_VALID);
if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) if (model == NULL)
err = add_playback_constraints(substream->runtime); return 0;
else
err = add_capture_constraints(substream->runtime); if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) {
if (model->playback_constraints)
err = model->playback_constraints(substream->runtime);
} else {
if (model->capture_constraints)
err = model->capture_constraints(substream->runtime);
}
if (err < 0) { if (err < 0) {
dummy->timer_ops->free(substream); dummy->timer_ops->free(substream);
return err; return err;
@ -823,17 +851,19 @@ static int __devinit snd_card_dummy_new_mixer(struct snd_dummy *dummy)
/* /*
* proc interface * proc interface
*/ */
static void print_formats(struct snd_info_buffer *buffer) static void print_formats(struct snd_dummy *dummy,
struct snd_info_buffer *buffer)
{ {
int i; int i;
for (i = 0; i < SNDRV_PCM_FORMAT_LAST; i++) { for (i = 0; i < SNDRV_PCM_FORMAT_LAST; i++) {
if (dummy_pcm_hardware.formats & (1ULL << i)) if (dummy->pcm_hw.formats & (1ULL << i))
snd_iprintf(buffer, " %s", snd_pcm_format_name(i)); snd_iprintf(buffer, " %s", snd_pcm_format_name(i));
} }
} }
static void print_rates(struct snd_info_buffer *buffer) static void print_rates(struct snd_dummy *dummy,
struct snd_info_buffer *buffer)
{ {
static int rates[] = { static int rates[] = {
5512, 8000, 11025, 16000, 22050, 32000, 44100, 48000, 5512, 8000, 11025, 16000, 22050, 32000, 44100, 48000,
@ -841,19 +871,19 @@ static void print_rates(struct snd_info_buffer *buffer)
}; };
int i; int i;
if (dummy_pcm_hardware.rates & SNDRV_PCM_RATE_CONTINUOUS) if (dummy->pcm_hw.rates & SNDRV_PCM_RATE_CONTINUOUS)
snd_iprintf(buffer, " continuous"); snd_iprintf(buffer, " continuous");
if (dummy_pcm_hardware.rates & SNDRV_PCM_RATE_KNOT) if (dummy->pcm_hw.rates & SNDRV_PCM_RATE_KNOT)
snd_iprintf(buffer, " knot"); snd_iprintf(buffer, " knot");
for (i = 0; i < ARRAY_SIZE(rates); i++) for (i = 0; i < ARRAY_SIZE(rates); i++)
if (dummy_pcm_hardware.rates & (1 << i)) if (dummy->pcm_hw.rates & (1 << i))
snd_iprintf(buffer, " %d", rates[i]); snd_iprintf(buffer, " %d", rates[i]);
} }
#define get_dummy_int_ptr(ofs) \ #define get_dummy_int_ptr(dummy, ofs) \
(unsigned int *)((char *)&dummy_pcm_hardware + (ofs)) (unsigned int *)((char *)&((dummy)->pcm_hw) + (ofs))
#define get_dummy_ll_ptr(ofs) \ #define get_dummy_ll_ptr(dummy, ofs) \
(unsigned long long *)((char *)&dummy_pcm_hardware + (ofs)) (unsigned long long *)((char *)&((dummy)->pcm_hw) + (ofs))
struct dummy_hw_field { struct dummy_hw_field {
const char *name; const char *name;
@ -884,20 +914,21 @@ static struct dummy_hw_field fields[] = {
static void dummy_proc_read(struct snd_info_entry *entry, static void dummy_proc_read(struct snd_info_entry *entry,
struct snd_info_buffer *buffer) struct snd_info_buffer *buffer)
{ {
struct snd_dummy *dummy = entry->private_data;
int i; int i;
for (i = 0; i < ARRAY_SIZE(fields); i++) { for (i = 0; i < ARRAY_SIZE(fields); i++) {
snd_iprintf(buffer, "%s ", fields[i].name); snd_iprintf(buffer, "%s ", fields[i].name);
if (fields[i].size == sizeof(int)) if (fields[i].size == sizeof(int))
snd_iprintf(buffer, fields[i].format, snd_iprintf(buffer, fields[i].format,
*get_dummy_int_ptr(fields[i].offset)); *get_dummy_int_ptr(dummy, fields[i].offset));
else else
snd_iprintf(buffer, fields[i].format, snd_iprintf(buffer, fields[i].format,
*get_dummy_ll_ptr(fields[i].offset)); *get_dummy_ll_ptr(dummy, fields[i].offset));
if (!strcmp(fields[i].name, "formats")) if (!strcmp(fields[i].name, "formats"))
print_formats(buffer); print_formats(dummy, buffer);
else if (!strcmp(fields[i].name, "rates")) else if (!strcmp(fields[i].name, "rates"))
print_rates(buffer); print_rates(dummy, buffer);
snd_iprintf(buffer, "\n"); snd_iprintf(buffer, "\n");
} }
} }
@ -905,6 +936,7 @@ static void dummy_proc_read(struct snd_info_entry *entry,
static void dummy_proc_write(struct snd_info_entry *entry, static void dummy_proc_write(struct snd_info_entry *entry,
struct snd_info_buffer *buffer) struct snd_info_buffer *buffer)
{ {
struct snd_dummy *dummy = entry->private_data;
char line[64]; char line[64];
while (!snd_info_get_line(buffer, line, sizeof(line))) { while (!snd_info_get_line(buffer, line, sizeof(line))) {
@ -924,9 +956,9 @@ static void dummy_proc_write(struct snd_info_entry *entry,
if (strict_strtoull(item, 0, &val)) if (strict_strtoull(item, 0, &val))
continue; continue;
if (fields[i].size == sizeof(int)) if (fields[i].size == sizeof(int))
*get_dummy_int_ptr(fields[i].offset) = val; *get_dummy_int_ptr(dummy, fields[i].offset) = val;
else else
*get_dummy_ll_ptr(fields[i].offset) = val; *get_dummy_ll_ptr(dummy, fields[i].offset) = val;
} }
} }
@ -938,6 +970,7 @@ static void __devinit dummy_proc_init(struct snd_dummy *chip)
snd_info_set_text_ops(entry, chip, dummy_proc_read); snd_info_set_text_ops(entry, chip, dummy_proc_read);
entry->c.text.write = dummy_proc_write; entry->c.text.write = dummy_proc_write;
entry->mode |= S_IWUSR; entry->mode |= S_IWUSR;
entry->private_data = chip;
} }
} }
#else #else
@ -948,6 +981,7 @@ static int __devinit snd_dummy_probe(struct platform_device *devptr)
{ {
struct snd_card *card; struct snd_card *card;
struct snd_dummy *dummy; struct snd_dummy *dummy;
struct dummy_model *m = NULL, **mdl;
int idx, err; int idx, err;
int dev = devptr->id; int dev = devptr->id;
@ -957,6 +991,15 @@ static int __devinit snd_dummy_probe(struct platform_device *devptr)
return err; return err;
dummy = card->private_data; dummy = card->private_data;
dummy->card = card; dummy->card = card;
for (mdl = dummy_models; *mdl && model[dev]; mdl++) {
if (strcmp(model[dev], (*mdl)->name) == 0) {
printk(KERN_INFO
"snd-dummy: Using model '%s' for card %i\n",
(*mdl)->name, card->number);
m = dummy->model = *mdl;
break;
}
}
for (idx = 0; idx < MAX_PCM_DEVICES && idx < pcm_devs[dev]; idx++) { for (idx = 0; idx < MAX_PCM_DEVICES && idx < pcm_devs[dev]; idx++) {
if (pcm_substreams[dev] < 1) if (pcm_substreams[dev] < 1)
pcm_substreams[dev] = 1; pcm_substreams[dev] = 1;
@ -966,6 +1009,33 @@ static int __devinit snd_dummy_probe(struct platform_device *devptr)
if (err < 0) if (err < 0)
goto __nodev; goto __nodev;
} }
dummy->pcm_hw = dummy_pcm_hardware;
if (m) {
if (m->formats)
dummy->pcm_hw.formats = m->formats;
if (m->buffer_bytes_max)
dummy->pcm_hw.buffer_bytes_max = m->buffer_bytes_max;
if (m->period_bytes_min)
dummy->pcm_hw.period_bytes_min = m->period_bytes_min;
if (m->period_bytes_max)
dummy->pcm_hw.period_bytes_max = m->period_bytes_max;
if (m->periods_min)
dummy->pcm_hw.periods_min = m->periods_min;
if (m->periods_max)
dummy->pcm_hw.periods_max = m->periods_max;
if (m->rates)
dummy->pcm_hw.rates = m->rates;
if (m->rate_min)
dummy->pcm_hw.rate_min = m->rate_min;
if (m->rate_max)
dummy->pcm_hw.rate_max = m->rate_max;
if (m->channels_min)
dummy->pcm_hw.channels_min = m->channels_min;
if (m->channels_max)
dummy->pcm_hw.channels_max = m->channels_max;
}
err = snd_card_dummy_new_mixer(dummy); err = snd_card_dummy_new_mixer(dummy);
if (err < 0) if (err < 0)
goto __nodev; goto __nodev;

125
sound/usb/usbmixer.c
View File

@ -123,6 +123,7 @@ struct usb_mixer_elem_info {
int channels; int channels;
int val_type; int val_type;
int min, max, res; int min, max, res;
int dBmin, dBmax;
int cached; int cached;
int cache_val[MAX_CHANNELS]; int cache_val[MAX_CHANNELS];
u8 initialized; u8 initialized;
@ -209,42 +210,50 @@ enum {
*/ */
#include "usbmixer_maps.c" #include "usbmixer_maps.c"
/* get the mapped name if the unit matches */ static const struct usbmix_name_map *
static int check_mapped_name(struct mixer_build *state, int unitid, int control, char *buf, int buflen) find_map(struct mixer_build *state, int unitid, int control)
{ {
const struct usbmix_name_map *p; const struct usbmix_name_map *p = state->map;
if (! state->map) if (!p)
return 0; return NULL;
for (p = state->map; p->id; p++) { for (p = state->map; p->id; p++) {
if (p->id == unitid && p->name && if (p->id == unitid &&
(! control || ! p->control || control == p->control)) { (!control || !p->control || control == p->control))
buflen--; return p;
return strlcpy(buf, p->name, buflen);
}
} }
return 0; return NULL;
}
/* get the mapped name if the unit matches */
static int
check_mapped_name(const struct usbmix_name_map *p, char *buf, int buflen)
{
if (!p || !p->name)
return 0;
buflen--;
return strlcpy(buf, p->name, buflen);
} }
/* check whether the control should be ignored */ /* check whether the control should be ignored */
static int check_ignored_ctl(struct mixer_build *state, int unitid, int control) static inline int
check_ignored_ctl(const struct usbmix_name_map *p)
{ {
const struct usbmix_name_map *p; if (!p || p->name || p->dB)
if (! state->map)
return 0; return 0;
for (p = state->map; p->id; p++) { return 1;
if (p->id == unitid && ! p->name && }
(! control || ! p->control || control == p->control)) {
/* /* dB mapping */
printk(KERN_DEBUG "ignored control %d:%d\n", static inline void check_mapped_dB(const struct usbmix_name_map *p,
unitid, control); struct usb_mixer_elem_info *cval)
*/ {
return 1; if (p && p->dB) {
} cval->dBmin = p->dB->min;
cval->dBmax = p->dB->max;
} }
return 0;
} }
/* get the mapped selector source name */ /* get the mapped selector source name */
@ -481,20 +490,8 @@ static int mixer_vol_tlv(struct snd_kcontrol *kcontrol, int op_flag,
if (size < sizeof(scale)) if (size < sizeof(scale))
return -ENOMEM; return -ENOMEM;
/* USB descriptions contain the dB scale in 1/256 dB unit scale[2] = cval->dBmin;
* while ALSA TLV contains in 1/100 dB unit scale[3] = cval->dBmax;
*/
scale[2] = (convert_signed_value(cval, cval->min) * 100) / 256;
scale[3] = (convert_signed_value(cval, cval->max) * 100) / 256;
if (scale[3] <= scale[2]) {
/* something is wrong; assume it's either from/to 0dB */
if (scale[2] < 0)
scale[3] = 0;
else if (scale[2] > 0)
scale[2] = 0;
else /* totally crap, return an error */
return -EINVAL;
}
if (copy_to_user(_tlv, scale, sizeof(scale))) if (copy_to_user(_tlv, scale, sizeof(scale)))
return -EFAULT; return -EFAULT;
return 0; return 0;
@ -735,6 +732,7 @@ static int get_min_max(struct usb_mixer_elem_info *cval, int default_min)
cval->min = default_min; cval->min = default_min;
cval->max = cval->min + 1; cval->max = cval->min + 1;
cval->res = 1; cval->res = 1;
cval->dBmin = cval->dBmax = 0;
if (cval->val_type == USB_MIXER_BOOLEAN || if (cval->val_type == USB_MIXER_BOOLEAN ||
cval->val_type == USB_MIXER_INV_BOOLEAN) { cval->val_type == USB_MIXER_INV_BOOLEAN) {
@ -802,6 +800,24 @@ static int get_min_max(struct usb_mixer_elem_info *cval, int default_min)
cval->initialized = 1; cval->initialized = 1;
} }
/* USB descriptions contain the dB scale in 1/256 dB unit
* while ALSA TLV contains in 1/100 dB unit
*/
cval->dBmin = (convert_signed_value(cval, cval->min) * 100) / 256;
cval->dBmax = (convert_signed_value(cval, cval->max) * 100) / 256;
if (cval->dBmin > cval->dBmax) {
/* something is wrong; assume it's either from/to 0dB */
if (cval->dBmin < 0)
cval->dBmax = 0;
else if (cval->dBmin > 0)
cval->dBmin = 0;
if (cval->dBmin > cval->dBmax) {
/* totally crap, return an error */
return -EINVAL;
}
}
return 0; return 0;
} }
@ -927,6 +943,7 @@ static void build_feature_ctl(struct mixer_build *state, unsigned char *desc,
int nameid = desc[desc[0] - 1]; int nameid = desc[desc[0] - 1];
struct snd_kcontrol *kctl; struct snd_kcontrol *kctl;
struct usb_mixer_elem_info *cval; struct usb_mixer_elem_info *cval;
const struct usbmix_name_map *map;
control++; /* change from zero-based to 1-based value */ control++; /* change from zero-based to 1-based value */
@ -935,7 +952,8 @@ static void build_feature_ctl(struct mixer_build *state, unsigned char *desc,
return; return;
} }
if (check_ignored_ctl(state, unitid, control)) map = find_map(state, unitid, control);
if (check_ignored_ctl(map))
return; return;
cval = kzalloc(sizeof(*cval), GFP_KERNEL); cval = kzalloc(sizeof(*cval), GFP_KERNEL);
@ -969,10 +987,11 @@ static void build_feature_ctl(struct mixer_build *state, unsigned char *desc,
} }
kctl->private_free = usb_mixer_elem_free; kctl->private_free = usb_mixer_elem_free;
len = check_mapped_name(state, unitid, control, kctl->id.name, sizeof(kctl->id.name)); len = check_mapped_name(map, kctl->id.name, sizeof(kctl->id.name));
mapped_name = len != 0; mapped_name = len != 0;
if (! len && nameid) if (! len && nameid)
len = snd_usb_copy_string_desc(state, nameid, kctl->id.name, sizeof(kctl->id.name)); len = snd_usb_copy_string_desc(state, nameid,
kctl->id.name, sizeof(kctl->id.name));
switch (control) { switch (control) {
case USB_FEATURE_MUTE: case USB_FEATURE_MUTE:
@ -1010,6 +1029,7 @@ static void build_feature_ctl(struct mixer_build *state, unsigned char *desc,
kctl->vd[0].access |= kctl->vd[0].access |=
SNDRV_CTL_ELEM_ACCESS_TLV_READ | SNDRV_CTL_ELEM_ACCESS_TLV_READ |
SNDRV_CTL_ELEM_ACCESS_TLV_CALLBACK; SNDRV_CTL_ELEM_ACCESS_TLV_CALLBACK;
check_mapped_dB(map, cval);
} }
break; break;
@ -1137,8 +1157,10 @@ static void build_mixer_unit_ctl(struct mixer_build *state, unsigned char *desc,
unsigned int num_outs = desc[5 + input_pins]; unsigned int num_outs = desc[5 + input_pins];
unsigned int i, len; unsigned int i, len;
struct snd_kcontrol *kctl; struct snd_kcontrol *kctl;
const struct usbmix_name_map *map;
if (check_ignored_ctl(state, unitid, 0)) map = find_map(state, unitid, 0);
if (check_ignored_ctl(map))
return; return;
cval = kzalloc(sizeof(*cval), GFP_KERNEL); cval = kzalloc(sizeof(*cval), GFP_KERNEL);
@ -1167,7 +1189,7 @@ static void build_mixer_unit_ctl(struct mixer_build *state, unsigned char *desc,
} }
kctl->private_free = usb_mixer_elem_free; kctl->private_free = usb_mixer_elem_free;
len = check_mapped_name(state, unitid, 0, kctl->id.name, sizeof(kctl->id.name)); len = check_mapped_name(map, kctl->id.name, sizeof(kctl->id.name));
if (! len) if (! len)
len = get_term_name(state, iterm, kctl->id.name, sizeof(kctl->id.name), 0); len = get_term_name(state, iterm, kctl->id.name, sizeof(kctl->id.name), 0);
if (! len) if (! len)
@ -1382,6 +1404,7 @@ static int build_audio_procunit(struct mixer_build *state, int unitid, unsigned
int i, err, nameid, type, len; int i, err, nameid, type, len;
struct procunit_info *info; struct procunit_info *info;
struct procunit_value_info *valinfo; struct procunit_value_info *valinfo;
const struct usbmix_name_map *map;
static struct procunit_value_info default_value_info[] = { static struct procunit_value_info default_value_info[] = {
{ 0x01, "Switch", USB_MIXER_BOOLEAN }, { 0x01, "Switch", USB_MIXER_BOOLEAN },
{ 0 } { 0 }
@ -1411,7 +1434,8 @@ static int build_audio_procunit(struct mixer_build *state, int unitid, unsigned
/* FIXME: bitmap might be longer than 8bit */ /* FIXME: bitmap might be longer than 8bit */
if (! (dsc[12 + num_ins] & (1 << (valinfo->control - 1)))) if (! (dsc[12 + num_ins] & (1 << (valinfo->control - 1))))
continue; continue;
if (check_ignored_ctl(state, unitid, valinfo->control)) map = find_map(state, unitid, valinfo->control);
if (check_ignored_ctl(map))
continue; continue;
cval = kzalloc(sizeof(*cval), GFP_KERNEL); cval = kzalloc(sizeof(*cval), GFP_KERNEL);
if (! cval) { if (! cval) {
@ -1452,8 +1476,9 @@ static int build_audio_procunit(struct mixer_build *state, int unitid, unsigned
} }
kctl->private_free = usb_mixer_elem_free; kctl->private_free = usb_mixer_elem_free;
if (check_mapped_name(state, unitid, cval->control, kctl->id.name, sizeof(kctl->id.name))) if (check_mapped_name(map, kctl->id.name,
; sizeof(kctl->id.name)))
/* nothing */ ;
else if (info->name) else if (info->name)
strlcpy(kctl->id.name, info->name, sizeof(kctl->id.name)); strlcpy(kctl->id.name, info->name, sizeof(kctl->id.name));
else { else {
@ -1592,6 +1617,7 @@ static int parse_audio_selector_unit(struct mixer_build *state, int unitid, unsi
int err; int err;
struct usb_mixer_elem_info *cval; struct usb_mixer_elem_info *cval;
struct snd_kcontrol *kctl; struct snd_kcontrol *kctl;
const struct usbmix_name_map *map;
char **namelist; char **namelist;
if (! num_ins || desc[0] < 5 + num_ins) { if (! num_ins || desc[0] < 5 + num_ins) {
@ -1607,7 +1633,8 @@ static int parse_audio_selector_unit(struct mixer_build *state, int unitid, unsi
if (num_ins == 1) /* only one ? nonsense! */ if (num_ins == 1) /* only one ? nonsense! */
return 0; return 0;
if (check_ignored_ctl(state, unitid, 0)) map = find_map(state, unitid, 0);
if (check_ignored_ctl(map))
return 0; return 0;
cval = kzalloc(sizeof(*cval), GFP_KERNEL); cval = kzalloc(sizeof(*cval), GFP_KERNEL);
@ -1662,7 +1689,7 @@ static int parse_audio_selector_unit(struct mixer_build *state, int unitid, unsi
kctl->private_free = usb_mixer_selector_elem_free; kctl->private_free = usb_mixer_selector_elem_free;
nameid = desc[desc[0] - 1]; nameid = desc[desc[0] - 1];
len = check_mapped_name(state, unitid, 0, kctl->id.name, sizeof(kctl->id.name)); len = check_mapped_name(map, kctl->id.name, sizeof(kctl->id.name));
if (len) if (len)
; ;
else if (nameid) else if (nameid)

23
sound/usb/usbmixer_maps.c
View File

@ -19,11 +19,16 @@
* *
*/ */
struct usbmix_dB_map {
u32 min;
u32 max;
};
struct usbmix_name_map { struct usbmix_name_map {
int id; int id;
const char *name; const char *name;
int control; int control;
struct usbmix_dB_map *dB;
}; };
struct usbmix_selector_map { struct usbmix_selector_map {
@ -72,7 +77,7 @@ static struct usbmix_name_map extigy_map[] = {
{ 8, "Line Playback" }, /* FU */ { 8, "Line Playback" }, /* FU */
/* 9: IT mic */ /* 9: IT mic */
{ 10, "Mic Playback" }, /* FU */ { 10, "Mic Playback" }, /* FU */
{ 11, "Capture Input Source" }, /* SU */ { 11, "Capture Source" }, /* SU */
{ 12, "Capture" }, /* FU */ { 12, "Capture" }, /* FU */
/* 13: OT pcm capture */ /* 13: OT pcm capture */
/* 14: MU (w/o controls) */ /* 14: MU (w/o controls) */
@ -102,6 +107,9 @@ static struct usbmix_name_map extigy_map[] = {
* e.g. no Master and fake PCM volume * e.g. no Master and fake PCM volume
* Pavel Mihaylov <bin@bash.info> * Pavel Mihaylov <bin@bash.info>
*/ */
static struct usbmix_dB_map mp3plus_dB_1 = {-4781, 0}; /* just guess */
static struct usbmix_dB_map mp3plus_dB_2 = {-1781, 618}; /* just guess */
static struct usbmix_name_map mp3plus_map[] = { static struct usbmix_name_map mp3plus_map[] = {
/* 1: IT pcm */ /* 1: IT pcm */
/* 2: IT mic */ /* 2: IT mic */
@ -110,16 +118,19 @@ static struct usbmix_name_map mp3plus_map[] = {
/* 5: OT digital out */ /* 5: OT digital out */
/* 6: OT speaker */ /* 6: OT speaker */
/* 7: OT pcm capture */ /* 7: OT pcm capture */
{ 8, "Capture Input Source" }, /* FU, default PCM Capture Source */ { 8, "Capture Source" }, /* FU, default PCM Capture Source */
/* (Mic, Input 1 = Line input, Input 2 = Optical input) */ /* (Mic, Input 1 = Line input, Input 2 = Optical input) */
{ 9, "Master Playback" }, /* FU, default Speaker 1 */ { 9, "Master Playback" }, /* FU, default Speaker 1 */
/* { 10, "Mic Capture", 1 }, */ /* FU, Mic Capture */ /* { 10, "Mic Capture", 1 }, */ /* FU, Mic Capture */
/* { 10, "Mic Capture", 2 }, */ /* FU, Mic Capture */ { 10, /* "Mic Capture", */ NULL, 2, .dB = &mp3plus_dB_2 },
/* FU, Mic Capture */
{ 10, "Mic Boost", 7 }, /* FU, default Auto Gain Input */ { 10, "Mic Boost", 7 }, /* FU, default Auto Gain Input */
{ 11, "Line Capture" }, /* FU, default PCM Capture */ { 11, "Line Capture", .dB = &mp3plus_dB_2 },
/* FU, default PCM Capture */
{ 12, "Digital In Playback" }, /* FU, default PCM 1 */ { 12, "Digital In Playback" }, /* FU, default PCM 1 */
/* { 13, "Mic Playback" }, */ /* FU, default Mic Playback */ { 13, /* "Mic Playback", */ .dB = &mp3plus_dB_1 },
{ 14, "Line Playback" }, /* FU, default Speaker */ /* FU, default Mic Playback */
{ 14, "Line Playback", .dB = &mp3plus_dB_1 }, /* FU, default Speaker */
/* 15: MU */ /* 15: MU */
{ 0 } /* terminator */ { 0 } /* terminator */
}; };