.name = "Audigy SE [SB0570]",
.gpio_type = 1,
.i2c_adc = 1,
- .spi_dac = 1 } ,
+ .spi_dac = 0x4021 } ,
/* New Audigy LS. Has a different DAC. */
/* SB0570:
* CTRL:CA0106-DAT
.name = "Audigy SE OEM [SB0570a]",
.gpio_type = 1,
.i2c_adc = 1,
- .spi_dac = 1 } ,
+ .spi_dac = 0x4021 } ,
+ /* Sound Blaster 5.1vx
+ * Tested: Playback on front, rear, center/lfe speakers
+ * Not-Tested: Capture
+ */
+ { .serial = 0x10041102,
+ .name = "Sound Blaster 5.1vx [SB1070]",
+ .gpio_type = 1,
+ .i2c_adc = 0,
+ .spi_dac = 0x0124
+ } ,
/* MSI K8N Diamond Motherboard with onboard SB Live 24bit without AC97 */
/* SB0438
* CTRL:CA0106-DAT
.name = "MSI K8N Diamond MB",
.gpio_type = 2,
.i2c_adc = 1,
- .spi_dac = 1 } ,
+ .spi_dac = 0x4021 } ,
/* Giga-byte GA-G1975X mobo
* Novell bnc#395807
*/
}
static const int spi_dacd_reg[] = {
- [PCM_FRONT_CHANNEL] = SPI_DACD4_REG,
- [PCM_REAR_CHANNEL] = SPI_DACD0_REG,
- [PCM_CENTER_LFE_CHANNEL]= SPI_DACD2_REG,
- [PCM_UNKNOWN_CHANNEL] = SPI_DACD1_REG,
+ SPI_DACD0_REG,
+ SPI_DACD1_REG,
+ SPI_DACD2_REG,
+ 0,
+ SPI_DACD4_REG,
};
static const int spi_dacd_bit[] = {
- [PCM_FRONT_CHANNEL] = SPI_DACD4_BIT,
- [PCM_REAR_CHANNEL] = SPI_DACD0_BIT,
- [PCM_CENTER_LFE_CHANNEL]= SPI_DACD2_BIT,
- [PCM_UNKNOWN_CHANNEL] = SPI_DACD1_BIT,
+ SPI_DACD0_BIT,
+ SPI_DACD1_BIT,
+ SPI_DACD2_BIT,
+ 0,
+ SPI_DACD4_BIT,
};
static void restore_spdif_bits(struct snd_ca0106 *chip, int idx)
}
}
+static int snd_ca0106_channel_dac(struct snd_ca0106_details *details,
+ int channel_id)
+{
+ switch (channel_id) {
+ case PCM_FRONT_CHANNEL:
+ return (details->spi_dac & 0xf000) >> (4 * 3);
+ case PCM_REAR_CHANNEL:
+ return (details->spi_dac & 0x0f00) >> (4 * 2);
+ case PCM_CENTER_LFE_CHANNEL:
+ return (details->spi_dac & 0x00f0) >> (4 * 1);
+ case PCM_UNKNOWN_CHANNEL:
+ return (details->spi_dac & 0x000f) >> (4 * 0);
+ default:
+ snd_printk(KERN_DEBUG "ca0106: unknown channel_id %d\n",
+ channel_id);
+ }
+ return 0;
+}
+
+static int snd_ca0106_pcm_power_dac(struct snd_ca0106 *chip, int channel_id,
+ int power)
+{
+ if (chip->details->spi_dac) {
+ const int dac = snd_ca0106_channel_dac(chip->details,
+ channel_id);
+ const int reg = spi_dacd_reg[dac];
+ const int bit = spi_dacd_bit[dac];
+
+ if (power)
+ /* Power up */
+ chip->spi_dac_reg[reg] &= ~bit;
+ else
+ /* Power down */
+ chip->spi_dac_reg[reg] |= bit;
+ return snd_ca0106_spi_write(chip, chip->spi_dac_reg[reg]);
+ }
+ return 0;
+}
+
/* open_playback callback */
static int snd_ca0106_pcm_open_playback_channel(struct snd_pcm_substream *substream,
int channel_id)
return err;
snd_pcm_set_sync(substream);
- if (chip->details->spi_dac && channel_id != PCM_FRONT_CHANNEL) {
- const int reg = spi_dacd_reg[channel_id];
-
- /* Power up dac */
- chip->spi_dac_reg[reg] &= ~spi_dacd_bit[channel_id];
- err = snd_ca0106_spi_write(chip, chip->spi_dac_reg[reg]);
+ /* Front channel dac should already be on */
+ if (channel_id != PCM_FRONT_CHANNEL) {
+ err = snd_ca0106_pcm_power_dac(chip, channel_id, 1);
if (err < 0)
return err;
}
restore_spdif_bits(chip, epcm->channel_id);
- if (chip->details->spi_dac && epcm->channel_id != PCM_FRONT_CHANNEL) {
- const int reg = spi_dacd_reg[epcm->channel_id];
-
- /* Power down DAC */
- chip->spi_dac_reg[reg] |= spi_dacd_bit[epcm->channel_id];
- snd_ca0106_spi_write(chip, chip->spi_dac_reg[reg]);
+ /* Front channel dac should stay on */
+ if (epcm->channel_id != PCM_FRONT_CHANNEL) {
+ int err;
+ err = snd_ca0106_pcm_power_dac(chip, epcm->channel_id, 0);
+ if (err < 0)
+ return err;
}
+
/* FIXME: maybe zero others */
return 0;
}
struct snd_ca0106 *emu = snd_pcm_substream_chip(substream);
struct snd_pcm_runtime *runtime = substream->runtime;
struct snd_ca0106_pcm *epcm = runtime->private_data;
- snd_pcm_uframes_t ptr, ptr1, ptr2,ptr3,ptr4 = 0;
+ unsigned int ptr, prev_ptr;
int channel = epcm->channel_id;
+ int timeout = 10;
if (!epcm->running)
return 0;
- ptr3 = snd_ca0106_ptr_read(emu, PLAYBACK_LIST_PTR, channel);
- ptr1 = snd_ca0106_ptr_read(emu, PLAYBACK_POINTER, channel);
- ptr4 = snd_ca0106_ptr_read(emu, PLAYBACK_LIST_PTR, channel);
- if (ptr3 != ptr4) ptr1 = snd_ca0106_ptr_read(emu, PLAYBACK_POINTER, channel);
- ptr2 = bytes_to_frames(runtime, ptr1);
- ptr2+= (ptr4 >> 3) * runtime->period_size;
- ptr=ptr2;
- if (ptr >= runtime->buffer_size)
- ptr -= runtime->buffer_size;
- /*
- printk(KERN_DEBUG "ptr1 = 0x%lx, ptr2=0x%lx, ptr=0x%lx, "
- "buffer_size = 0x%x, period_size = 0x%x, bits=%d, rate=%d\n",
- ptr1, ptr2, ptr, (int)runtime->buffer_size,
- (int)runtime->period_size, (int)runtime->frame_bits,
- (int)runtime->rate);
- */
- return ptr;
+ prev_ptr = -1;
+ do {
+ ptr = snd_ca0106_ptr_read(emu, PLAYBACK_LIST_PTR, channel);
+ ptr = (ptr >> 3) * runtime->period_size;
+ ptr += bytes_to_frames(runtime,
+ snd_ca0106_ptr_read(emu, PLAYBACK_POINTER, channel));
+ if (ptr >= runtime->buffer_size)
+ ptr -= runtime->buffer_size;
+ if (prev_ptr == ptr)
+ return ptr;
+ prev_ptr = ptr;
+ } while (--timeout);
+ snd_printk(KERN_WARNING "ca0106: unstable DMA pointer!\n");
+ return 0;
}
/* pointer_capture callback */
SPI_REG(12, 0x00),
SPI_REG(SPI_LDA4_REG, SPI_DA_BIT_0dB),
SPI_REG(SPI_RDA4_REG, SPI_DA_BIT_0dB | SPI_DA_BIT_UPDATE),
- SPI_REG(SPI_DACD4_REG, 0x00),
+ SPI_REG(SPI_DACD4_REG, SPI_DACD4_BIT),
};
static unsigned int i2c_adc_init[][2] = {
/* snd_ca0106_i2c_write(chip, ADC_MUX, ADC_MUX_LINEIN); */
}
- if (chip->details->spi_dac == 1) {
+ if (chip->details->spi_dac) {
/* The SB0570 use SPI to control DAC. */
int size, n;
if (reg < ARRAY_SIZE(chip->spi_dac_reg))
chip->spi_dac_reg[reg] = spi_dac_init[n];
}
+
+ /* Enable front dac only */
+ snd_ca0106_pcm_power_dac(chip, PCM_FRONT_CHANNEL, 1);
}
}
projects / mv-sheeva.git / blobdiff