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-rw-r--r--sound/i2c/other/Makefile3
-rw-r--r--sound/i2c/other/ak4113.c639
2 files changed, 641 insertions, 1 deletions
diff --git a/sound/i2c/other/Makefile b/sound/i2c/other/Makefile
index 703d954238f..2dad40f3f62 100644
--- a/sound/i2c/other/Makefile
+++ b/sound/i2c/other/Makefile
@@ -5,6 +5,7 @@
snd-ak4114-objs := ak4114.o
snd-ak4117-objs := ak4117.o
+snd-ak4113-objs := ak4113.o
snd-ak4xxx-adda-objs := ak4xxx-adda.o
snd-pt2258-objs := pt2258.o
snd-tea575x-tuner-objs := tea575x-tuner.o
@@ -12,5 +13,5 @@ snd-tea575x-tuner-objs := tea575x-tuner.o
# Module Dependency
obj-$(CONFIG_SND_PDAUDIOCF) += snd-ak4117.o
obj-$(CONFIG_SND_ICE1712) += snd-ak4xxx-adda.o
-obj-$(CONFIG_SND_ICE1724) += snd-ak4114.o snd-ak4xxx-adda.o snd-pt2258.o
+obj-$(CONFIG_SND_ICE1724) += snd-ak4114.o snd-ak4113.o snd-ak4xxx-adda.o snd-pt2258.o
obj-$(CONFIG_SND_FM801_TEA575X) += snd-tea575x-tuner.o
diff --git a/sound/i2c/other/ak4113.c b/sound/i2c/other/ak4113.c
new file mode 100644
index 00000000000..fff62cc8607
--- /dev/null
+++ b/sound/i2c/other/ak4113.c
@@ -0,0 +1,639 @@
+/*
+ * Routines for control of the AK4113 via I2C/4-wire serial interface
+ * IEC958 (S/PDIF) receiver by Asahi Kasei
+ * Copyright (c) by Jaroslav Kysela <perex@perex.cz>
+ * Copyright (c) by Pavel Hofman <pavel.hofman@ivitera.com>
+ *
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ *
+ */
+
+#include <linux/slab.h>
+#include <linux/delay.h>
+#include <sound/core.h>
+#include <sound/control.h>
+#include <sound/pcm.h>
+#include <sound/ak4113.h>
+#include <sound/asoundef.h>
+#include <sound/info.h>
+
+MODULE_AUTHOR("Pavel Hofman <pavel.hofman@ivitera.com>");
+MODULE_DESCRIPTION("AK4113 IEC958 (S/PDIF) receiver by Asahi Kasei");
+MODULE_LICENSE("GPL");
+
+#define AK4113_ADDR 0x00 /* fixed address */
+
+static void ak4113_stats(struct work_struct *work);
+static void ak4113_init_regs(struct ak4113 *chip);
+
+
+static void reg_write(struct ak4113 *ak4113, unsigned char reg,
+ unsigned char val)
+{
+ ak4113->write(ak4113->private_data, reg, val);
+ if (reg < sizeof(ak4113->regmap))
+ ak4113->regmap[reg] = val;
+}
+
+static inline unsigned char reg_read(struct ak4113 *ak4113, unsigned char reg)
+{
+ return ak4113->read(ak4113->private_data, reg);
+}
+
+static void snd_ak4113_free(struct ak4113 *chip)
+{
+ chip->init = 1; /* don't schedule new work */
+ mb();
+ cancel_delayed_work(&chip->work);
+ flush_scheduled_work();
+ kfree(chip);
+}
+
+static int snd_ak4113_dev_free(struct snd_device *device)
+{
+ struct ak4113 *chip = device->device_data;
+ snd_ak4113_free(chip);
+ return 0;
+}
+
+int snd_ak4113_create(struct snd_card *card, ak4113_read_t *read,
+ ak4113_write_t *write, const unsigned char pgm[5],
+ void *private_data, struct ak4113 **r_ak4113)
+{
+ struct ak4113 *chip;
+ int err = 0;
+ unsigned char reg;
+ static struct snd_device_ops ops = {
+ .dev_free = snd_ak4113_dev_free,
+ };
+
+ chip = kzalloc(sizeof(*chip), GFP_KERNEL);
+ if (chip == NULL)
+ return -ENOMEM;
+ spin_lock_init(&chip->lock);
+ chip->card = card;
+ chip->read = read;
+ chip->write = write;
+ chip->private_data = private_data;
+ INIT_DELAYED_WORK(&chip->work, ak4113_stats);
+
+ for (reg = 0; reg < AK4113_WRITABLE_REGS ; reg++)
+ chip->regmap[reg] = pgm[reg];
+ ak4113_init_regs(chip);
+
+ chip->rcs0 = reg_read(chip, AK4113_REG_RCS0) & ~(AK4113_QINT |
+ AK4113_CINT | AK4113_STC);
+ chip->rcs1 = reg_read(chip, AK4113_REG_RCS1);
+ chip->rcs2 = reg_read(chip, AK4113_REG_RCS2);
+ err = snd_device_new(card, SNDRV_DEV_LOWLEVEL, chip, &ops);
+ if (err < 0)
+ goto __fail;
+
+ if (r_ak4113)
+ *r_ak4113 = chip;
+ return 0;
+
+__fail:
+ snd_ak4113_free(chip);
+ return err < 0 ? err : -EIO;
+}
+EXPORT_SYMBOL_GPL(snd_ak4113_create);
+
+void snd_ak4113_reg_write(struct ak4113 *chip, unsigned char reg,
+ unsigned char mask, unsigned char val)
+{
+ if (reg >= AK4113_WRITABLE_REGS)
+ return;
+ reg_write(chip, reg, (chip->regmap[reg] & ~mask) | val);
+}
+EXPORT_SYMBOL_GPL(snd_ak4113_reg_write);
+
+static void ak4113_init_regs(struct ak4113 *chip)
+{
+ unsigned char old = chip->regmap[AK4113_REG_PWRDN], reg;
+
+ /* bring the chip to reset state and powerdown state */
+ reg_write(chip, AK4113_REG_PWRDN, old & ~(AK4113_RST|AK4113_PWN));
+ udelay(200);
+ /* release reset, but leave powerdown */
+ reg_write(chip, AK4113_REG_PWRDN, (old | AK4113_RST) & ~AK4113_PWN);
+ udelay(200);
+ for (reg = 1; reg < AK4113_WRITABLE_REGS; reg++)
+ reg_write(chip, reg, chip->regmap[reg]);
+ /* release powerdown, everything is initialized now */
+ reg_write(chip, AK4113_REG_PWRDN, old | AK4113_RST | AK4113_PWN);
+}
+
+void snd_ak4113_reinit(struct ak4113 *chip)
+{
+ chip->init = 1;
+ mb();
+ flush_scheduled_work();
+ ak4113_init_regs(chip);
+ /* bring up statistics / event queing */
+ chip->init = 0;
+ if (chip->kctls[0])
+ schedule_delayed_work(&chip->work, HZ / 10);
+}
+EXPORT_SYMBOL_GPL(snd_ak4113_reinit);
+
+static unsigned int external_rate(unsigned char rcs1)
+{
+ switch (rcs1 & (AK4113_FS0|AK4113_FS1|AK4113_FS2|AK4113_FS3)) {
+ case AK4113_FS_8000HZ:
+ return 8000;
+ case AK4113_FS_11025HZ:
+ return 11025;
+ case AK4113_FS_16000HZ:
+ return 16000;
+ case AK4113_FS_22050HZ:
+ return 22050;
+ case AK4113_FS_24000HZ:
+ return 24000;
+ case AK4113_FS_32000HZ:
+ return 32000;
+ case AK4113_FS_44100HZ:
+ return 44100;
+ case AK4113_FS_48000HZ:
+ return 48000;
+ case AK4113_FS_64000HZ:
+ return 64000;
+ case AK4113_FS_88200HZ:
+ return 88200;
+ case AK4113_FS_96000HZ:
+ return 96000;
+ case AK4113_FS_176400HZ:
+ return 176400;
+ case AK4113_FS_192000HZ:
+ return 192000;
+ default:
+ return 0;
+ }
+}
+
+static int snd_ak4113_in_error_info(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_info *uinfo)
+{
+ uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
+ uinfo->count = 1;
+ uinfo->value.integer.min = 0;
+ uinfo->value.integer.max = LONG_MAX;
+ return 0;
+}
+
+static int snd_ak4113_in_error_get(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_value *ucontrol)
+{
+ struct ak4113 *chip = snd_kcontrol_chip(kcontrol);
+ long *ptr;
+
+ spin_lock_irq(&chip->lock);
+ ptr = (long *)(((char *)chip) + kcontrol->private_value);
+ ucontrol->value.integer.value[0] = *ptr;
+ *ptr = 0;
+ spin_unlock_irq(&chip->lock);
+ return 0;
+}
+
+#define snd_ak4113_in_bit_info snd_ctl_boolean_mono_info
+
+static int snd_ak4113_in_bit_get(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_value *ucontrol)
+{
+ struct ak4113 *chip = snd_kcontrol_chip(kcontrol);
+ unsigned char reg = kcontrol->private_value & 0xff;
+ unsigned char bit = (kcontrol->private_value >> 8) & 0xff;
+ unsigned char inv = (kcontrol->private_value >> 31) & 1;
+
+ ucontrol->value.integer.value[0] =
+ ((reg_read(chip, reg) & (1 << bit)) ? 1 : 0) ^ inv;
+ return 0;
+}
+
+static int snd_ak4113_rx_info(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_info *uinfo)
+{
+ uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
+ uinfo->count = 1;
+ uinfo->value.integer.min = 0;
+ uinfo->value.integer.max = 5;
+ return 0;
+}
+
+static int snd_ak4113_rx_get(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_value *ucontrol)
+{
+ struct ak4113 *chip = snd_kcontrol_chip(kcontrol);
+
+ ucontrol->value.integer.value[0] =
+ (AK4113_IPS(chip->regmap[AK4113_REG_IO1]));
+ return 0;
+}
+
+static int snd_ak4113_rx_put(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_value *ucontrol)
+{
+ struct ak4113 *chip = snd_kcontrol_chip(kcontrol);
+ int change;
+ u8 old_val;
+
+ spin_lock_irq(&chip->lock);
+ old_val = chip->regmap[AK4113_REG_IO1];
+ change = ucontrol->value.integer.value[0] != AK4113_IPS(old_val);
+ if (change)
+ reg_write(chip, AK4113_REG_IO1,
+ (old_val & (~AK4113_IPS(0xff))) |
+ (AK4113_IPS(ucontrol->value.integer.value[0])));
+ spin_unlock_irq(&chip->lock);
+ return change;
+}
+
+static int snd_ak4113_rate_info(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_info *uinfo)
+{
+ uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
+ uinfo->count = 1;
+ uinfo->value.integer.min = 0;
+ uinfo->value.integer.max = 192000;
+ return 0;
+}
+
+static int snd_ak4113_rate_get(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_value *ucontrol)
+{
+ struct ak4113 *chip = snd_kcontrol_chip(kcontrol);
+
+ ucontrol->value.integer.value[0] = external_rate(reg_read(chip,
+ AK4113_REG_RCS1));
+ return 0;
+}
+
+static int snd_ak4113_spdif_info(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_info *uinfo)
+{
+ uinfo->type = SNDRV_CTL_ELEM_TYPE_IEC958;
+ uinfo->count = 1;
+ return 0;
+}
+
+static int snd_ak4113_spdif_get(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_value *ucontrol)
+{
+ struct ak4113 *chip = snd_kcontrol_chip(kcontrol);
+ unsigned i;
+
+ for (i = 0; i < AK4113_REG_RXCSB_SIZE; i++)
+ ucontrol->value.iec958.status[i] = reg_read(chip,
+ AK4113_REG_RXCSB0 + i);
+ return 0;
+}
+
+static int snd_ak4113_spdif_mask_info(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_info *uinfo)
+{
+ uinfo->type = SNDRV_CTL_ELEM_TYPE_IEC958;
+ uinfo->count = 1;
+ return 0;
+}
+
+static int snd_ak4113_spdif_mask_get(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_value *ucontrol)
+{
+ memset(ucontrol->value.iec958.status, 0xff, AK4113_REG_RXCSB_SIZE);
+ return 0;
+}
+
+static int snd_ak4113_spdif_pinfo(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_info *uinfo)
+{
+ uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
+ uinfo->value.integer.min = 0;
+ uinfo->value.integer.max = 0xffff;
+ uinfo->count = 4;
+ return 0;
+}
+
+static int snd_ak4113_spdif_pget(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_value *ucontrol)
+{
+ struct ak4113 *chip = snd_kcontrol_chip(kcontrol);
+ unsigned short tmp;
+
+ ucontrol->value.integer.value[0] = 0xf8f2;
+ ucontrol->value.integer.value[1] = 0x4e1f;
+ tmp = reg_read(chip, AK4113_REG_Pc0) |
+ (reg_read(chip, AK4113_REG_Pc1) << 8);
+ ucontrol->value.integer.value[2] = tmp;
+ tmp = reg_read(chip, AK4113_REG_Pd0) |
+ (reg_read(chip, AK4113_REG_Pd1) << 8);
+ ucontrol->value.integer.value[3] = tmp;
+ return 0;
+}
+
+static int snd_ak4113_spdif_qinfo(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_info *uinfo)
+{
+ uinfo->type = SNDRV_CTL_ELEM_TYPE_BYTES;
+ uinfo->count = AK4113_REG_QSUB_SIZE;
+ return 0;
+}
+
+static int snd_ak4113_spdif_qget(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_value *ucontrol)
+{
+ struct ak4113 *chip = snd_kcontrol_chip(kcontrol);
+ unsigned i;
+
+ for (i = 0; i < AK4113_REG_QSUB_SIZE; i++)
+ ucontrol->value.bytes.data[i] = reg_read(chip,
+ AK4113_REG_QSUB_ADDR + i);
+ return 0;
+}
+
+/* Don't forget to change AK4113_CONTROLS define!!! */
+static struct snd_kcontrol_new snd_ak4113_iec958_controls[] = {
+{
+ .iface = SNDRV_CTL_ELEM_IFACE_PCM,
+ .name = "IEC958 Parity Errors",
+ .access = SNDRV_CTL_ELEM_ACCESS_READ |
+ SNDRV_CTL_ELEM_ACCESS_VOLATILE,
+ .info = snd_ak4113_in_error_info,
+ .get = snd_ak4113_in_error_get,
+ .private_value = offsetof(struct ak4113, parity_errors),
+},
+{
+ .iface = SNDRV_CTL_ELEM_IFACE_PCM,
+ .name = "IEC958 V-Bit Errors",
+ .access = SNDRV_CTL_ELEM_ACCESS_READ |
+ SNDRV_CTL_ELEM_ACCESS_VOLATILE,
+ .info = snd_ak4113_in_error_info,
+ .get = snd_ak4113_in_error_get,
+ .private_value = offsetof(struct ak4113, v_bit_errors),
+},
+{
+ .iface = SNDRV_CTL_ELEM_IFACE_PCM,
+ .name = "IEC958 C-CRC Errors",
+ .access = SNDRV_CTL_ELEM_ACCESS_READ |
+ SNDRV_CTL_ELEM_ACCESS_VOLATILE,
+ .info = snd_ak4113_in_error_info,
+ .get = snd_ak4113_in_error_get,
+ .private_value = offsetof(struct ak4113, ccrc_errors),
+},
+{
+ .iface = SNDRV_CTL_ELEM_IFACE_PCM,
+ .name = "IEC958 Q-CRC Errors",
+ .access = SNDRV_CTL_ELEM_ACCESS_READ |
+ SNDRV_CTL_ELEM_ACCESS_VOLATILE,
+ .info = snd_ak4113_in_error_info,
+ .get = snd_ak4113_in_error_get,
+ .private_value = offsetof(struct ak4113, qcrc_errors),
+},
+{
+ .iface = SNDRV_CTL_ELEM_IFACE_PCM,
+ .name = "IEC958 External Rate",
+ .access = SNDRV_CTL_ELEM_ACCESS_READ |
+ SNDRV_CTL_ELEM_ACCESS_VOLATILE,
+ .info = snd_ak4113_rate_info,
+ .get = snd_ak4113_rate_get,
+},
+{
+ .iface = SNDRV_CTL_ELEM_IFACE_PCM,
+ .name = SNDRV_CTL_NAME_IEC958("", CAPTURE, MASK),
+ .access = SNDRV_CTL_ELEM_ACCESS_READ,
+ .info = snd_ak4113_spdif_mask_info,
+ .get = snd_ak4113_spdif_mask_get,
+},
+{
+ .iface = SNDRV_CTL_ELEM_IFACE_PCM,
+ .name = SNDRV_CTL_NAME_IEC958("", CAPTURE, DEFAULT),
+ .access = SNDRV_CTL_ELEM_ACCESS_READ |
+ SNDRV_CTL_ELEM_ACCESS_VOLATILE,
+ .info = snd_ak4113_spdif_info,
+ .get = snd_ak4113_spdif_get,
+},
+{
+ .iface = SNDRV_CTL_ELEM_IFACE_PCM,
+ .name = "IEC958 Preample Capture Default",
+ .access = SNDRV_CTL_ELEM_ACCESS_READ |
+ SNDRV_CTL_ELEM_ACCESS_VOLATILE,
+ .info = snd_ak4113_spdif_pinfo,
+ .get = snd_ak4113_spdif_pget,
+},
+{
+ .iface = SNDRV_CTL_ELEM_IFACE_PCM,
+ .name = "IEC958 Q-subcode Capture Default",
+ .access = SNDRV_CTL_ELEM_ACCESS_READ |
+ SNDRV_CTL_ELEM_ACCESS_VOLATILE,
+ .info = snd_ak4113_spdif_qinfo,
+ .get = snd_ak4113_spdif_qget,
+},
+{
+ .iface = SNDRV_CTL_ELEM_IFACE_PCM,
+ .name = "IEC958 Audio",
+ .access = SNDRV_CTL_ELEM_ACCESS_READ |
+ SNDRV_CTL_ELEM_ACCESS_VOLATILE,
+ .info = snd_ak4113_in_bit_info,
+ .get = snd_ak4113_in_bit_get,
+ .private_value = (1<<31) | (1<<8) | AK4113_REG_RCS0,
+},
+{
+ .iface = SNDRV_CTL_ELEM_IFACE_PCM,
+ .name = "IEC958 Non-PCM Bitstream",
+ .access = SNDRV_CTL_ELEM_ACCESS_READ |
+ SNDRV_CTL_ELEM_ACCESS_VOLATILE,
+ .info = snd_ak4113_in_bit_info,
+ .get = snd_ak4113_in_bit_get,
+ .private_value = (0<<8) | AK4113_REG_RCS1,
+},
+{
+ .iface = SNDRV_CTL_ELEM_IFACE_PCM,
+ .name = "IEC958 DTS Bitstream",
+ .access = SNDRV_CTL_ELEM_ACCESS_READ |
+ SNDRV_CTL_ELEM_ACCESS_VOLATILE,
+ .info = snd_ak4113_in_bit_info,
+ .get = snd_ak4113_in_bit_get,
+ .private_value = (1<<8) | AK4113_REG_RCS1,
+},
+{
+ .iface = SNDRV_CTL_ELEM_IFACE_PCM,
+ .name = "AK4113 Input Select",
+ .access = SNDRV_CTL_ELEM_ACCESS_READ |
+ SNDRV_CTL_ELEM_ACCESS_WRITE,
+ .info = snd_ak4113_rx_info,
+ .get = snd_ak4113_rx_get,
+ .put = snd_ak4113_rx_put,
+}
+};
+
+static void snd_ak4113_proc_regs_read(struct snd_info_entry *entry,
+ struct snd_info_buffer *buffer)
+{
+ struct ak4113 *ak4113 = entry->private_data;
+ int reg, val;
+ /* all ak4113 registers 0x00 - 0x1c */
+ for (reg = 0; reg < 0x1d; reg++) {
+ val = reg_read(ak4113, reg);
+ snd_iprintf(buffer, "0x%02x = 0x%02x\n", reg, val);
+ }
+}
+
+static void snd_ak4113_proc_init(struct ak4113 *ak4113)
+{
+ struct snd_info_entry *entry;
+ if (!snd_card_proc_new(ak4113->card, "ak4113", &entry))
+ snd_info_set_text_ops(entry, ak4113, snd_ak4113_proc_regs_read);
+}
+
+int snd_ak4113_build(struct ak4113 *ak4113,
+ struct snd_pcm_substream *cap_substream)
+{
+ struct snd_kcontrol *kctl;
+ unsigned int idx;
+ int err;
+
+ if (snd_BUG_ON(!cap_substream))
+ return -EINVAL;
+ ak4113->substream = cap_substream;
+ for (idx = 0; idx < AK4113_CONTROLS; idx++) {
+ kctl = snd_ctl_new1(&snd_ak4113_iec958_controls[idx], ak4113);
+ if (kctl == NULL)
+ return -ENOMEM;
+ kctl->id.device = cap_substream->pcm->device;
+ kctl->id.subdevice = cap_substream->number;
+ err = snd_ctl_add(ak4113->card, kctl);
+ if (err < 0)
+ return err;
+ ak4113->kctls[idx] = kctl;
+ }
+ snd_ak4113_proc_init(ak4113);
+ /* trigger workq */
+ schedule_delayed_work(&ak4113->work, HZ / 10);
+ return 0;
+}
+EXPORT_SYMBOL_GPL(snd_ak4113_build);
+
+int snd_ak4113_external_rate(struct ak4113 *ak4113)
+{
+ unsigned char rcs1;
+
+ rcs1 = reg_read(ak4113, AK4113_REG_RCS1);
+ return external_rate(rcs1);
+}
+EXPORT_SYMBOL_GPL(snd_ak4113_external_rate);
+
+int snd_ak4113_check_rate_and_errors(struct ak4113 *ak4113, unsigned int flags)
+{
+ struct snd_pcm_runtime *runtime =
+ ak4113->substream ? ak4113->substream->runtime : NULL;
+ unsigned long _flags;
+ int res = 0;
+ unsigned char rcs0, rcs1, rcs2;
+ unsigned char c0, c1;
+
+ rcs1 = reg_read(ak4113, AK4113_REG_RCS1);
+ if (flags & AK4113_CHECK_NO_STAT)
+ goto __rate;
+ rcs0 = reg_read(ak4113, AK4113_REG_RCS0);
+ rcs2 = reg_read(ak4113, AK4113_REG_RCS2);
+ spin_lock_irqsave(&ak4113->lock, _flags);
+ if (rcs0 & AK4113_PAR)
+ ak4113->parity_errors++;
+ if (rcs0 & AK4113_V)
+ ak4113->v_bit_errors++;
+ if (rcs2 & AK4113_CCRC)
+ ak4113->ccrc_errors++;
+ if (rcs2 & AK4113_QCRC)
+ ak4113->qcrc_errors++;
+ c0 = (ak4113->rcs0 & (AK4113_QINT | AK4113_CINT | AK4113_STC |
+ AK4113_AUDION | AK4113_AUTO | AK4113_UNLCK)) ^
+ (rcs0 & (AK4113_QINT | AK4113_CINT | AK4113_STC |
+ AK4113_AUDION | AK4113_AUTO | AK4113_UNLCK));
+ c1 = (ak4113->rcs1 & (AK4113_DTSCD | AK4113_NPCM | AK4113_PEM |
+ AK4113_DAT | 0xf0)) ^
+ (rcs1 & (AK4113_DTSCD | AK4113_NPCM | AK4113_PEM |
+ AK4113_DAT | 0xf0));
+ ak4113->rcs0 = rcs0 & ~(AK4113_QINT | AK4113_CINT | AK4113_STC);
+ ak4113->rcs1 = rcs1;
+ ak4113->rcs2 = rcs2;
+ spin_unlock_irqrestore(&ak4113->lock, _flags);
+
+ if (rcs0 & AK4113_PAR)
+ snd_ctl_notify(ak4113->card, SNDRV_CTL_EVENT_MASK_VALUE,
+ &ak4113->kctls[0]->id);
+ if (rcs0 & AK4113_V)
+ snd_ctl_notify(ak4113->card, SNDRV_CTL_EVENT_MASK_VALUE,
+ &ak4113->kctls[1]->id);
+ if (rcs2 & AK4113_CCRC)
+ snd_ctl_notify(ak4113->card, SNDRV_CTL_EVENT_MASK_VALUE,
+ &ak4113->kctls[2]->id);
+ if (rcs2 & AK4113_QCRC)
+ snd_ctl_notify(ak4113->card, SNDRV_CTL_EVENT_MASK_VALUE,
+ &ak4113->kctls[3]->id);
+
+ /* rate change */
+ if (c1 & 0xf0)
+ snd_ctl_notify(ak4113->card, SNDRV_CTL_EVENT_MASK_VALUE,
+ &ak4113->kctls[4]->id);
+
+ if ((c1 & AK4113_PEM) | (c0 & AK4113_CINT))
+ snd_ctl_notify(ak4113->card, SNDRV_CTL_EVENT_MASK_VALUE,
+ &ak4113->kctls[6]->id);
+ if (c0 & AK4113_QINT)
+ snd_ctl_notify(ak4113->card, SNDRV_CTL_EVENT_MASK_VALUE,
+ &ak4113->kctls[8]->id);
+
+ if (c0 & AK4113_AUDION)
+ snd_ctl_notify(ak4113->card, SNDRV_CTL_EVENT_MASK_VALUE,
+ &ak4113->kctls[9]->id);
+ if (c1 & AK4113_NPCM)
+ snd_ctl_notify(ak4113->card, SNDRV_CTL_EVENT_MASK_VALUE,
+ &ak4113->kctls[10]->id);
+ if (c1 & AK4113_DTSCD)
+ snd_ctl_notify(ak4113->card, SNDRV_CTL_EVENT_MASK_VALUE,
+ &ak4113->kctls[11]->id);
+
+ if (ak4113->change_callback && (c0 | c1) != 0)
+ ak4113->change_callback(ak4113, c0, c1);
+
+__rate:
+ /* compare rate */
+ res = external_rate(rcs1);
+ if (!(flags & AK4113_CHECK_NO_RATE) && runtime &&
+ (runtime->rate != res)) {
+ snd_pcm_stream_lock_irqsave(ak4113->substream, _flags);
+ if (snd_pcm_running(ak4113->substream)) {
+ /*printk(KERN_DEBUG "rate changed (%i <- %i)\n",
+ * runtime->rate, res); */
+ snd_pcm_stop(ak4113->substream,
+ SNDRV_PCM_STATE_DRAINING);
+ wake_up(&runtime->sleep);
+ res = 1;
+ }
+ snd_pcm_stream_unlock_irqrestore(ak4113->substream, _flags);
+ }
+ return res;
+}
+EXPORT_SYMBOL_GPL(snd_ak4113_check_rate_and_errors);
+
+static void ak4113_stats(struct work_struct *work)
+{
+ struct ak4113 *chip = container_of(work, struct ak4113, work.work);
+
+ if (!chip->init)
+ snd_ak4113_check_rate_and_errors(chip, chip->check_flags);
+
+ schedule_delayed_work(&chip->work, HZ / 10);
+}
generated by cgit v1.2.3-18-g5258 (git 2.32.0) at 2024-12-21 10:20:25 +0000