/*
* Copyright (c) 2004 James Courtier-Dutton <James@superbug.demon.co.uk>
* Driver CA0106 chips. e.g. Sound Blaster Audigy LS and Live 24bit
- * Version: 0.0.23
+ * Version: 0.0.25
*
* FEATURES currently supported:
* Front, Rear and Center/LFE.
* Add support for MSI K8N Diamond Motherboard with onboard SB Live 24bit without AC97. From kiksen, bug #901
* 0.0.23
* Implement support for Line-in capture on SB Live 24bit.
+ * 0.0.24
+ * Add support for mute control on SB Live 24bit (cards w/ SPI DAC)
+ * 0.0.25
+ * Powerdown SPI DAC channels when not in use
*
* BUGS:
* Some stability problems when unloading the snd-ca0106 kernel module.
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
*/
-#include <sound/driver.h>
#include <linux/delay.h>
#include <linux/init.h>
#include <linux/interrupt.h>
static struct snd_ca0106_details ca0106_chip_details[] = {
/* Sound Blaster X-Fi Extreme Audio. This does not have an AC97. 53SB079000000 */
/* It is really just a normal SB Live 24bit. */
+ /* Tested:
+ * See ALSA bug#3251
+ */
+ { .serial = 0x10131102,
+ .name = "X-Fi Extreme Audio [SBxxxx]",
+ .gpio_type = 1,
+ .i2c_adc = 1 } ,
+ /* Sound Blaster X-Fi Extreme Audio. This does not have an AC97. 53SB079000000 */
+ /* It is really just a normal SB Live 24bit. */
/*
* CTRL:CA0111-WTLF
* ADC: WM8775SEDS
/* hardware definition */
static struct snd_pcm_hardware snd_ca0106_playback_hw = {
- .info = (SNDRV_PCM_INFO_MMAP |
- SNDRV_PCM_INFO_INTERLEAVED |
- SNDRV_PCM_INFO_BLOCK_TRANSFER |
- SNDRV_PCM_INFO_MMAP_VALID),
+ .info = SNDRV_PCM_INFO_MMAP |
+ SNDRV_PCM_INFO_INTERLEAVED |
+ SNDRV_PCM_INFO_BLOCK_TRANSFER |
+ SNDRV_PCM_INFO_MMAP_VALID |
+ SNDRV_PCM_INFO_SYNC_START,
.formats = SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S32_LE,
.rates = (SNDRV_PCM_RATE_48000 | SNDRV_PCM_RATE_96000 |
SNDRV_PCM_RATE_192000),
static void snd_ca0106_intr_enable(struct snd_ca0106 *emu, unsigned int intrenb)
{
unsigned long flags;
- unsigned int enable;
-
+ unsigned int intr_enable;
+
spin_lock_irqsave(&emu->emu_lock, flags);
- enable = inl(emu->port + INTE) | intrenb;
- outl(enable, emu->port + INTE);
+ intr_enable = inl(emu->port + INTE) | intrenb;
+ outl(intr_enable, emu->port + INTE);
spin_unlock_irqrestore(&emu->emu_lock, flags);
}
static void snd_ca0106_intr_disable(struct snd_ca0106 *emu, unsigned int intrenb)
{
unsigned long flags;
- unsigned int enable;
-
+ unsigned int intr_enable;
+
spin_lock_irqsave(&emu->emu_lock, flags);
- enable = inl(emu->port + INTE) & ~intrenb;
- outl(enable, emu->port + INTE);
+ intr_enable = inl(emu->port + INTE) & ~intrenb;
+ outl(intr_enable, emu->port + INTE);
spin_unlock_irqrestore(&emu->emu_lock, flags);
}
kfree(runtime->private_data);
}
+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,
+};
+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,
+};
+
/* open_playback callback */
static int snd_ca0106_pcm_open_playback_channel(struct snd_pcm_substream *substream,
int channel_id)
return err;
if ((err = snd_pcm_hw_constraint_step(runtime, 0, SNDRV_PCM_HW_PARAM_PERIOD_BYTES, 64)) < 0)
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]);
+ if (err < 0)
+ return err;
+ }
return 0;
}
struct snd_pcm_runtime *runtime = substream->runtime;
struct snd_ca0106_pcm *epcm = runtime->private_data;
chip->playback_channels[epcm->channel_id].use = 0;
+
+ 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]);
+ }
/* FIXME: maybe zero others */
return 0;
}
break;
}
snd_pcm_group_for_each_entry(s, substream) {
+ if (snd_pcm_substream_chip(s) != emu ||
+ s->stream != SNDRV_PCM_STREAM_PLAYBACK)
+ continue;
runtime = s->runtime;
epcm = runtime->private_data;
channel = epcm->channel_id;
* So we can fix: snd-malloc: Memory leak? pages not freed = 8
*/
}
+ if (chip->irq >= 0)
+ free_irq(chip->irq, chip);
// release the data
#if 1
if (chip->buffer.area)
// release the i/o port
release_and_free_resource(chip->res_port);
- // release the irq
- if (chip->irq >= 0)
- free_irq(chip->irq, chip);
pci_disable_device(chip->pci);
kfree(chip);
return 0;
return 0;
}
+#define SPI_REG(reg, value) (((reg) << SPI_REG_SHIFT) | (value))
static unsigned int spi_dac_init[] = {
- 0x00ff,
- 0x02ff,
- 0x0400,
- 0x0520,
- 0x0620, /* Set 24 bit. Was 0x0600 */
- 0x08ff,
- 0x0aff,
- 0x0cff,
- 0x0eff,
- 0x10ff,
- 0x1200,
- 0x1400,
- 0x1480,
- 0x1800,
- 0x1aff,
- 0x1cff,
- 0x1e00,
- 0x0530,
- 0x0602,
- 0x0622,
- 0x1400,
+ SPI_REG(SPI_LDA1_REG, SPI_DA_BIT_0dB), /* 0dB dig. attenuation */
+ SPI_REG(SPI_RDA1_REG, SPI_DA_BIT_0dB),
+ SPI_REG(SPI_PL_REG, SPI_PL_BIT_L_L | SPI_PL_BIT_R_R | SPI_IZD_BIT),
+ SPI_REG(SPI_FMT_REG, SPI_FMT_BIT_I2S | SPI_IWL_BIT_24),
+ SPI_REG(SPI_LDA2_REG, SPI_DA_BIT_0dB),
+ SPI_REG(SPI_RDA2_REG, SPI_DA_BIT_0dB),
+ SPI_REG(SPI_LDA3_REG, SPI_DA_BIT_0dB),
+ SPI_REG(SPI_RDA3_REG, SPI_DA_BIT_0dB),
+ SPI_REG(SPI_MASTDA_REG, SPI_DA_BIT_0dB),
+ SPI_REG(9, 0x00),
+ SPI_REG(SPI_MS_REG, SPI_DACD0_BIT | SPI_DACD1_BIT | SPI_DACD2_BIT),
+ 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),
};
static unsigned int i2c_adc_init[][2] = {
int size, n;
size = ARRAY_SIZE(spi_dac_init);
- for (n=0; n < size; n++)
+ for (n = 0; n < size; n++) {
+ int reg = spi_dac_init[n] >> SPI_REG_SHIFT;
+
snd_ca0106_spi_write(chip, spi_dac_init[n]);
+ if (reg < ARRAY_SIZE(chip->spi_dac_reg))
+ chip->spi_dac_reg[reg] = spi_dac_init[n];
+ }
}
if ((err = snd_device_new(card, SNDRV_DEV_LOWLEVEL,
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