#define MAX_PCM_SUBSTREAMS 128
#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 */
-#ifndef MAX_BUFFER_SIZE
#define MAX_BUFFER_SIZE (64*1024)
-#endif
-#ifndef MAX_PERIOD_SIZE
+#define MIN_PERIOD_SIZE 64
#define MAX_PERIOD_SIZE MAX_BUFFER_SIZE
-#endif
-#ifndef USE_FORMATS
#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_MIN 5500
#define USE_RATE_MAX 48000
-#endif
-#ifndef USE_CHANNELS_MIN
#define USE_CHANNELS_MIN 1
-#endif
-#ifndef USE_CHANNELS_MAX
#define USE_CHANNELS_MAX 2
-#endif
-#ifndef USE_PERIODS_MIN
#define USE_PERIODS_MIN 1
-#endif
-#ifndef USE_PERIODS_MAX
#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 char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR; /* ID for this card */
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_substreams[SNDRV_CARDS] = {[0 ... (SNDRV_CARDS - 1)] = 8};
//static int midi_devs[SNDRV_CARDS] = {[0 ... (SNDRV_CARDS - 1)] = 2};
MODULE_PARM_DESC(id, "ID string for dummy soundcard.");
module_param_array(enable, bool, NULL, 0444);
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_PARM_DESC(pcm_devs, "PCM devices # (0-4) for dummy driver.");
module_param_array(pcm_substreams, int, NULL, 0444);
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_card *card;
+ struct dummy_model *model;
struct snd_pcm *pcm;
+ struct snd_pcm_hardware pcm_hw;
spinlock_t mixer_lock;
int mixer_volume[MIXER_ADDR_LAST+1][2];
int capture_source[MIXER_ADDR_LAST+1][2];
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
*/
.channels_min = USE_CHANNELS_MIN,
.channels_max = USE_CHANNELS_MAX,
.buffer_bytes_max = MAX_BUFFER_SIZE,
- .period_bytes_min = 64,
+ .period_bytes_min = MIN_PERIOD_SIZE,
.period_bytes_max = MAX_PERIOD_SIZE,
.periods_min = USE_PERIODS_MIN,
.periods_max = USE_PERIODS_MAX,
static int dummy_pcm_open(struct snd_pcm_substream *substream)
{
struct snd_dummy *dummy = snd_pcm_substream_chip(substream);
+ struct dummy_model *model = dummy->model;
struct snd_pcm_runtime *runtime = substream->runtime;
int err;
if (err < 0)
return err;
- runtime->hw = dummy_pcm_hardware;
+ runtime->hw = dummy->pcm_hw;
if (substream->pcm->device & 1) {
runtime->hw.info &= ~SNDRV_PCM_INFO_INTERLEAVED;
runtime->hw.info |= SNDRV_PCM_INFO_NONINTERLEAVED;
runtime->hw.info &= ~(SNDRV_PCM_INFO_MMAP |
SNDRV_PCM_INFO_MMAP_VALID);
- if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
- err = add_playback_constraints(substream->runtime);
- else
- err = add_capture_constraints(substream->runtime);
+ if (model == NULL)
+ return 0;
+
+ 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) {
dummy->timer_ops->free(substream);
return err;
/*
* 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;
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));
}
}
-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[] = {
5512, 8000, 11025, 16000, 22050, 32000, 44100, 48000,
};
int i;
- if (dummy_pcm_hardware.rates & SNDRV_PCM_RATE_CONTINUOUS)
+ if (dummy->pcm_hw.rates & SNDRV_PCM_RATE_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");
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]);
}
-#define get_dummy_int_ptr(ofs) \
- (unsigned int *)((char *)&dummy_pcm_hardware + (ofs))
-#define get_dummy_ll_ptr(ofs) \
- (unsigned long long *)((char *)&dummy_pcm_hardware + (ofs))
+#define get_dummy_int_ptr(dummy, ofs) \
+ (unsigned int *)((char *)&((dummy)->pcm_hw) + (ofs))
+#define get_dummy_ll_ptr(dummy, ofs) \
+ (unsigned long long *)((char *)&((dummy)->pcm_hw) + (ofs))
struct dummy_hw_field {
const char *name;
static void dummy_proc_read(struct snd_info_entry *entry,
struct snd_info_buffer *buffer)
{
+ struct snd_dummy *dummy = entry->private_data;
int i;
for (i = 0; i < ARRAY_SIZE(fields); i++) {
snd_iprintf(buffer, "%s ", fields[i].name);
if (fields[i].size == sizeof(int))
snd_iprintf(buffer, fields[i].format,
- *get_dummy_int_ptr(fields[i].offset));
+ *get_dummy_int_ptr(dummy, fields[i].offset));
else
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"))
- print_formats(buffer);
+ print_formats(dummy, buffer);
else if (!strcmp(fields[i].name, "rates"))
- print_rates(buffer);
+ print_rates(dummy, buffer);
snd_iprintf(buffer, "\n");
}
}
static void dummy_proc_write(struct snd_info_entry *entry,
struct snd_info_buffer *buffer)
{
+ struct snd_dummy *dummy = entry->private_data;
char line[64];
while (!snd_info_get_line(buffer, line, sizeof(line))) {
if (strict_strtoull(item, 0, &val))
continue;
if (fields[i].size == sizeof(int))
- *get_dummy_int_ptr(fields[i].offset) = val;
+ *get_dummy_int_ptr(dummy, fields[i].offset) = val;
else
- *get_dummy_ll_ptr(fields[i].offset) = val;
+ *get_dummy_ll_ptr(dummy, fields[i].offset) = val;
}
}
snd_info_set_text_ops(entry, chip, dummy_proc_read);
entry->c.text.write = dummy_proc_write;
entry->mode |= S_IWUSR;
+ entry->private_data = chip;
}
}
#else
{
struct snd_card *card;
struct snd_dummy *dummy;
+ struct dummy_model *m = NULL, **mdl;
int idx, err;
int dev = devptr->id;
return err;
dummy = card->private_data;
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++) {
if (pcm_substreams[dev] < 1)
pcm_substreams[dev] = 1;
if (err < 0)
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);
if (err < 0)
goto __nodev;
projects / GitHub / MotorolaMobilityLLC / kernel-slsi.git / commitdiff