static int snd_gf1_pcm_block_change(struct snd_pcm_substream *substream,
unsigned int offset,
unsigned int addr,
unsigned int count)
{
struct snd_gf1_dma_block block;
struct snd_pcm_runtime *runtime = substream->runtime;
struct gus_pcm_private *pcmp = runtime->private_data;
count += offset & 31;
offset &= ~31;
/*
snd_printk(KERN_DEBUG "block change - offset = 0x%x, count = 0x%x\n",
offset, count);
*/
memset(&block, 0, sizeof(block));
block.cmd = SNDRV_GF1_DMA_IRQ;
if (snd_pcm_format_unsigned(runtime->format))
block.cmd |= SNDRV_GF1_DMA_UNSIGNED;
if (snd_pcm_format_width(runtime->format) == 16)
block.cmd |= SNDRV_GF1_DMA_16BIT;
block.addr = addr & ~31;
block.buffer = runtime->dma_area + offset;
block.buf_addr = runtime->dma_addr + offset;
block.count = count;
block.private_data = pcmp;
block.ack = snd_gf1_pcm_block_change_ack;
if (!snd_gf1_dma_transfer_block(pcmp->gus, &block, 0, 0))
atomic_inc(&pcmp->dma_count);
return 0;
}
static unsigned int snd_ali_control_mode(struct snd_pcm_substream *substream)
{
unsigned int CTRL;
struct snd_pcm_runtime *runtime = substream->runtime;
/* set ctrl mode
CTRL default: 8-bit (unsigned) mono, loop mode enabled
*/
CTRL = 0x00000001;
if (snd_pcm_format_width(runtime->format) == 16)
CTRL |= 0x00000008; /* 16-bit data */
if (!snd_pcm_format_unsigned(runtime->format))
CTRL |= 0x00000002; /* signed data */
if (runtime->channels > 1)
CTRL |= 0x00000004; /* stereo data */
return CTRL;
}
/*
* pdacf_pcm_prepare - prepare callback for playback and capture
*/
static int pdacf_pcm_prepare(struct snd_pcm_substream *subs)
{
struct snd_pdacf *chip = snd_pcm_substream_chip(subs);
struct snd_pcm_runtime *runtime = subs->runtime;
u16 val, nval, aval;
if (chip->chip_status & PDAUDIOCF_STAT_IS_STALE)
return -EBUSY;
chip->pcm_channels = runtime->channels;
chip->pcm_little = snd_pcm_format_little_endian(runtime->format) > 0;
#ifdef SNDRV_LITTLE_ENDIAN
chip->pcm_swab = snd_pcm_format_big_endian(runtime->format) > 0;
#else
chip->pcm_swab = chip->pcm_little;
#endif
if (snd_pcm_format_unsigned(runtime->format))
chip->pcm_xor = 0x80008000;
if (pdacf_pcm_clear_sram(chip) < 0)
return -EIO;
val = nval = pdacf_reg_read(chip, PDAUDIOCF_REG_SCR);
nval &= ~(PDAUDIOCF_DATAFMT0|PDAUDIOCF_DATAFMT1);
switch (runtime->format) {
case SNDRV_PCM_FORMAT_S16_LE:
case SNDRV_PCM_FORMAT_S16_BE:
break;
default: /* 24-bit */
nval |= PDAUDIOCF_DATAFMT0 | PDAUDIOCF_DATAFMT1;
break;
}
aval = 0;
chip->pcm_sample = 4;
switch (runtime->format) {
case SNDRV_PCM_FORMAT_S16_LE:
case SNDRV_PCM_FORMAT_S16_BE:
aval = AK4117_DIF_16R;
chip->pcm_frame = 2;
chip->pcm_sample = 2;
break;
case SNDRV_PCM_FORMAT_S24_3LE:
case SNDRV_PCM_FORMAT_S24_3BE:
chip->pcm_sample = 3;
/* fall through */
default: /* 24-bit */
aval = AK4117_DIF_24R;
chip->pcm_frame = 3;
chip->pcm_xor &= 0xffff0000;
break;
}
if (val != nval) {
snd_ak4117_reg_write(chip->ak4117, AK4117_REG_IO, AK4117_DIF2|AK4117_DIF1|AK4117_DIF0, aval);
pdacf_reg_write(chip, PDAUDIOCF_REG_SCR, nval);
}
val = pdacf_reg_read(chip, PDAUDIOCF_REG_IER);
val &= ~(PDAUDIOCF_IRQLVLEN1);
val |= PDAUDIOCF_IRQLVLEN0;
pdacf_reg_write(chip, PDAUDIOCF_REG_IER, val);
chip->pcm_size = runtime->buffer_size;
chip->pcm_period = runtime->period_size;
chip->pcm_area = runtime->dma_area;
return 0;
}
static snd_pcm_format_t snd_pcm_plug_slave_format(snd_pcm_format_t format, const snd_pcm_format_mask_t *format_mask)
{
int w, w1, u, e;
snd_pcm_format_t f;
snd_pcm_format_mask_t lin = { SND_PCM_FMTBIT_LINEAR };
snd_pcm_format_mask_t fl = {
#ifdef BUILD_PCM_PLUGIN_LFLOAT
SND_PCM_FMTBIT_FLOAT
#else
{ 0 }
#endif
};
if (snd_pcm_format_mask_test(format_mask, format))
return format;
if (!snd_pcm_format_mask_test(&lin, format) &&
!snd_pcm_format_mask_test(&fl, format)) {
unsigned int i;
switch (format) {
#ifdef BUILD_PCM_PLUGIN_MULAW
case SND_PCM_FORMAT_MU_LAW:
#endif
#ifdef BUILD_PCM_PLUGIN_ALAW
case SND_PCM_FORMAT_A_LAW:
#endif
#ifdef BUILD_PCM_PLUGIN_ADPCM
case SND_PCM_FORMAT_IMA_ADPCM:
#endif
for (i = 0; i < sizeof(linear_preferred_formats) / sizeof(linear_preferred_formats[0]); ++i) {
snd_pcm_format_t f = linear_preferred_formats[i];
if (snd_pcm_format_mask_test(format_mask, f))
return f;
}
/* Fall through */
default:
return SND_PCM_FORMAT_UNKNOWN;
}
}
snd_mask_intersect(&lin, format_mask);
snd_mask_intersect(&fl, format_mask);
if (snd_mask_empty(&lin) && snd_mask_empty(&fl)) {
#ifdef BUILD_PCM_NONLINEAR
unsigned int i;
for (i = 0; i < sizeof(nonlinear_preferred_formats) / sizeof(nonlinear_preferred_formats[0]); ++i) {
snd_pcm_format_t f = nonlinear_preferred_formats[i];
if (snd_pcm_format_mask_test(format_mask, f))
return f;
}
#endif
return SND_PCM_FORMAT_UNKNOWN;
}
#ifdef BUILD_PCM_PLUGIN_LFLOAT
if (snd_pcm_format_float(format)) {
if (snd_pcm_format_mask_test(&fl, format)) {
unsigned int i;
for (i = 0; i < sizeof(float_preferred_formats) / sizeof(float_preferred_formats[0]); ++i) {
snd_pcm_format_t f = float_preferred_formats[i];
if (snd_pcm_format_mask_test(format_mask, f))
return f;
}
}
w = 32;
u = 0;
e = snd_pcm_format_big_endian(format);
} else
#endif
if (snd_mask_empty(&lin)) {
#ifdef BUILD_PCM_PLUGIN_LFLOAT
unsigned int i;
for (i = 0; i < sizeof(float_preferred_formats) / sizeof(float_preferred_formats[0]); ++i) {
snd_pcm_format_t f = float_preferred_formats[i];
if (snd_pcm_format_mask_test(format_mask, f))
return f;
}
#endif
return SND_PCM_FORMAT_UNKNOWN;
} else {
w = snd_pcm_format_width(format);
u = snd_pcm_format_unsigned(format);
e = snd_pcm_format_big_endian(format);
}
for (w1 = w; w1 <= 32; w1++) {
f = check_linear_format(format_mask, w1, u, e);
if (f != SND_PCM_FORMAT_UNKNOWN)
return f;
}
for (w1 = w - 1; w1 > 0; w1--) {
f = check_linear_format(format_mask, w1, u, e);
if (f != SND_PCM_FORMAT_UNKNOWN)
return f;
}
return SND_PCM_FORMAT_UNKNOWN;
}
