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-rw-r--r--sound/i2c/Makefile16
-rw-r--r--sound/i2c/cs8427.c619
-rw-r--r--sound/i2c/i2c.c326
-rw-r--r--sound/i2c/other/Makefile16
-rw-r--r--sound/i2c/other/ak4113.c640
-rw-r--r--sound/i2c/other/ak4114.c626
-rw-r--r--sound/i2c/other/ak4117.c533
-rw-r--r--sound/i2c/other/ak4xxx-adda.c894
-rw-r--r--sound/i2c/other/pt2258.c213
-rw-r--r--sound/i2c/tea6330t.c363
10 files changed, 4246 insertions, 0 deletions
diff --git a/sound/i2c/Makefile b/sound/i2c/Makefile
new file mode 100644
index 0000000000..09978855e0
--- /dev/null
+++ b/sound/i2c/Makefile
@@ -0,0 +1,16 @@
+# SPDX-License-Identifier: GPL-2.0
+#
+# Makefile for ALSA
+# Copyright (c) 2001 by Jaroslav Kysela <perex@perex.cz>
+#
+
+snd-i2c-objs := i2c.o
+snd-cs8427-objs := cs8427.o
+snd-tea6330t-objs := tea6330t.o
+
+obj-$(CONFIG_SND) += other/
+
+# Toplevel Module Dependency
+obj-$(CONFIG_SND_INTERWAVE_STB) += snd-tea6330t.o snd-i2c.o
+obj-$(CONFIG_SND_ICE1712) += snd-cs8427.o snd-i2c.o
+obj-$(CONFIG_SND_ICE1724) += snd-i2c.o
diff --git a/sound/i2c/cs8427.c b/sound/i2c/cs8427.c
new file mode 100644
index 0000000000..f58b14b490
--- /dev/null
+++ b/sound/i2c/cs8427.c
@@ -0,0 +1,619 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
+/*
+ * Routines for control of the CS8427 via i2c bus
+ * IEC958 (S/PDIF) receiver & transmitter by Cirrus Logic
+ * Copyright (c) by Jaroslav Kysela <perex@perex.cz>
+ */
+
+#include <linux/slab.h>
+#include <linux/delay.h>
+#include <linux/init.h>
+#include <linux/bitrev.h>
+#include <linux/module.h>
+#include <asm/unaligned.h>
+#include <sound/core.h>
+#include <sound/control.h>
+#include <sound/pcm.h>
+#include <sound/cs8427.h>
+#include <sound/asoundef.h>
+
+static void snd_cs8427_reset(struct snd_i2c_device *cs8427);
+
+MODULE_AUTHOR("Jaroslav Kysela <perex@perex.cz>");
+MODULE_DESCRIPTION("IEC958 (S/PDIF) receiver & transmitter by Cirrus Logic");
+MODULE_LICENSE("GPL");
+
+#define CS8427_ADDR (0x20>>1) /* fixed address */
+
+struct cs8427_stream {
+ struct snd_pcm_substream *substream;
+ char hw_status[24]; /* hardware status */
+ char def_status[24]; /* default status */
+ char pcm_status[24]; /* PCM private status */
+ char hw_udata[32];
+ struct snd_kcontrol *pcm_ctl;
+};
+
+struct cs8427 {
+ unsigned char regmap[0x14]; /* map of first 1 + 13 registers */
+ unsigned int rate;
+ unsigned int reset_timeout;
+ struct cs8427_stream playback;
+ struct cs8427_stream capture;
+};
+
+int snd_cs8427_reg_write(struct snd_i2c_device *device, unsigned char reg,
+ unsigned char val)
+{
+ int err;
+ unsigned char buf[2];
+
+ buf[0] = reg & 0x7f;
+ buf[1] = val;
+ err = snd_i2c_sendbytes(device, buf, 2);
+ if (err != 2) {
+ snd_printk(KERN_ERR "unable to send bytes 0x%02x:0x%02x "
+ "to CS8427 (%i)\n", buf[0], buf[1], err);
+ return err < 0 ? err : -EIO;
+ }
+ return 0;
+}
+
+EXPORT_SYMBOL(snd_cs8427_reg_write);
+
+static int snd_cs8427_reg_read(struct snd_i2c_device *device, unsigned char reg)
+{
+ int err;
+ unsigned char buf;
+
+ err = snd_i2c_sendbytes(device, &reg, 1);
+ if (err != 1) {
+ snd_printk(KERN_ERR "unable to send register 0x%x byte "
+ "to CS8427\n", reg);
+ return err < 0 ? err : -EIO;
+ }
+ err = snd_i2c_readbytes(device, &buf, 1);
+ if (err != 1) {
+ snd_printk(KERN_ERR "unable to read register 0x%x byte "
+ "from CS8427\n", reg);
+ return err < 0 ? err : -EIO;
+ }
+ return buf;
+}
+
+static int snd_cs8427_select_corudata(struct snd_i2c_device *device, int udata)
+{
+ struct cs8427 *chip = device->private_data;
+ int err;
+
+ udata = udata ? CS8427_BSEL : 0;
+ if (udata != (chip->regmap[CS8427_REG_CSDATABUF] & udata)) {
+ chip->regmap[CS8427_REG_CSDATABUF] &= ~CS8427_BSEL;
+ chip->regmap[CS8427_REG_CSDATABUF] |= udata;
+ err = snd_cs8427_reg_write(device, CS8427_REG_CSDATABUF,
+ chip->regmap[CS8427_REG_CSDATABUF]);
+ if (err < 0)
+ return err;
+ }
+ return 0;
+}
+
+static int snd_cs8427_send_corudata(struct snd_i2c_device *device,
+ int udata,
+ unsigned char *ndata,
+ int count)
+{
+ struct cs8427 *chip = device->private_data;
+ char *hw_data = udata ?
+ chip->playback.hw_udata : chip->playback.hw_status;
+ unsigned char data[32];
+ int err, idx;
+
+ if (!memcmp(hw_data, ndata, count))
+ return 0;
+ err = snd_cs8427_select_corudata(device, udata);
+ if (err < 0)
+ return err;
+ memcpy(hw_data, ndata, count);
+ if (udata) {
+ memset(data, 0, sizeof(data));
+ if (memcmp(hw_data, data, count) == 0) {
+ chip->regmap[CS8427_REG_UDATABUF] &= ~CS8427_UBMMASK;
+ chip->regmap[CS8427_REG_UDATABUF] |= CS8427_UBMZEROS |
+ CS8427_EFTUI;
+ err = snd_cs8427_reg_write(device, CS8427_REG_UDATABUF,
+ chip->regmap[CS8427_REG_UDATABUF]);
+ return err < 0 ? err : 0;
+ }
+ }
+ data[0] = CS8427_REG_AUTOINC | CS8427_REG_CORU_DATABUF;
+ for (idx = 0; idx < count; idx++)
+ data[idx + 1] = bitrev8(ndata[idx]);
+ if (snd_i2c_sendbytes(device, data, count + 1) != count + 1)
+ return -EIO;
+ return 1;
+}
+
+static void snd_cs8427_free(struct snd_i2c_device *device)
+{
+ kfree(device->private_data);
+}
+
+int snd_cs8427_init(struct snd_i2c_bus *bus,
+ struct snd_i2c_device *device)
+{
+ static unsigned char initvals1[] = {
+ CS8427_REG_CONTROL1 | CS8427_REG_AUTOINC,
+ /* CS8427_REG_CONTROL1: RMCK to OMCK, valid PCM audio, disable mutes,
+ TCBL=output */
+ CS8427_SWCLK | CS8427_TCBLDIR,
+ /* CS8427_REG_CONTROL2: hold last valid audio sample, RMCK=256*Fs,
+ normal stereo operation */
+ 0x00,
+ /* CS8427_REG_DATAFLOW: output drivers normal operation, Tx<=serial,
+ Rx=>serial */
+ CS8427_TXDSERIAL | CS8427_SPDAES3RECEIVER,
+ /* CS8427_REG_CLOCKSOURCE: Run off, CMCK=256*Fs,
+ output time base = OMCK, input time base = recovered input clock,
+ recovered input clock source is ILRCK changed to AES3INPUT
+ (workaround, see snd_cs8427_reset) */
+ CS8427_RXDILRCK,
+ /* CS8427_REG_SERIALINPUT: Serial audio input port data format = I2S,
+ 24-bit, 64*Fsi */
+ CS8427_SIDEL | CS8427_SILRPOL,
+ /* CS8427_REG_SERIALOUTPUT: Serial audio output port data format
+ = I2S, 24-bit, 64*Fsi */
+ CS8427_SODEL | CS8427_SOLRPOL,
+ };
+ static unsigned char initvals2[] = {
+ CS8427_REG_RECVERRMASK | CS8427_REG_AUTOINC,
+ /* CS8427_REG_RECVERRMASK: unmask the input PLL clock, V, confidence,
+ biphase, parity status bits */
+ /* CS8427_UNLOCK | CS8427_V | CS8427_CONF | CS8427_BIP | CS8427_PAR,*/
+ 0xff, /* set everything */
+ /* CS8427_REG_CSDATABUF:
+ Registers 32-55 window to CS buffer
+ Inhibit D->E transfers from overwriting first 5 bytes of CS data.
+ Inhibit D->E transfers (all) of CS data.
+ Allow E->F transfer of CS data.
+ One byte mode; both A/B channels get same written CB data.
+ A channel info is output to chip's EMPH* pin. */
+ CS8427_CBMR | CS8427_DETCI,
+ /* CS8427_REG_UDATABUF:
+ Use internal buffer to transmit User (U) data.
+ Chip's U pin is an output.
+ Transmit all O's for user data.
+ Inhibit D->E transfers.
+ Inhibit E->F transfers. */
+ CS8427_UD | CS8427_EFTUI | CS8427_DETUI,
+ };
+ struct cs8427 *chip = device->private_data;
+ int err;
+ unsigned char buf[24];
+
+ snd_i2c_lock(bus);
+ err = snd_cs8427_reg_read(device, CS8427_REG_ID_AND_VER);
+ if (err != CS8427_VER8427A) {
+ /* give second chance */
+ snd_printk(KERN_WARNING "invalid CS8427 signature 0x%x: "
+ "let me try again...\n", err);
+ err = snd_cs8427_reg_read(device, CS8427_REG_ID_AND_VER);
+ }
+ if (err != CS8427_VER8427A) {
+ snd_i2c_unlock(bus);
+ snd_printk(KERN_ERR "unable to find CS8427 signature "
+ "(expected 0x%x, read 0x%x),\n",
+ CS8427_VER8427A, err);
+ snd_printk(KERN_ERR " initialization is not completed\n");
+ return -EFAULT;
+ }
+ /* turn off run bit while making changes to configuration */
+ err = snd_cs8427_reg_write(device, CS8427_REG_CLOCKSOURCE, 0x00);
+ if (err < 0)
+ goto __fail;
+ /* send initial values */
+ memcpy(chip->regmap + (initvals1[0] & 0x7f), initvals1 + 1, 6);
+ err = snd_i2c_sendbytes(device, initvals1, 7);
+ if (err != 7) {
+ err = err < 0 ? err : -EIO;
+ goto __fail;
+ }
+ /* Turn off CS8427 interrupt stuff that is not used in hardware */
+ memset(buf, 0, 7);
+ /* from address 9 to 15 */
+ buf[0] = 9; /* register */
+ err = snd_i2c_sendbytes(device, buf, 7);
+ if (err != 7)
+ goto __fail;
+ /* send transfer initialization sequence */
+ memcpy(chip->regmap + (initvals2[0] & 0x7f), initvals2 + 1, 3);
+ err = snd_i2c_sendbytes(device, initvals2, 4);
+ if (err != 4) {
+ err = err < 0 ? err : -EIO;
+ goto __fail;
+ }
+ /* write default channel status bytes */
+ put_unaligned_le32(SNDRV_PCM_DEFAULT_CON_SPDIF, buf);
+ memset(buf + 4, 0, 24 - 4);
+ if (snd_cs8427_send_corudata(device, 0, buf, 24) < 0)
+ goto __fail;
+ memcpy(chip->playback.def_status, buf, 24);
+ memcpy(chip->playback.pcm_status, buf, 24);
+ snd_i2c_unlock(bus);
+
+ /* turn on run bit and rock'n'roll */
+ snd_cs8427_reset(device);
+
+ return 0;
+
+__fail:
+ snd_i2c_unlock(bus);
+
+ return err;
+}
+EXPORT_SYMBOL(snd_cs8427_init);
+
+int snd_cs8427_create(struct snd_i2c_bus *bus,
+ unsigned char addr,
+ unsigned int reset_timeout,
+ struct snd_i2c_device **r_cs8427)
+{
+ int err;
+ struct cs8427 *chip;
+ struct snd_i2c_device *device;
+
+ err = snd_i2c_device_create(bus, "CS8427", CS8427_ADDR | (addr & 7),
+ &device);
+ if (err < 0)
+ return err;
+ chip = device->private_data = kzalloc(sizeof(*chip), GFP_KERNEL);
+ if (chip == NULL) {
+ snd_i2c_device_free(device);
+ return -ENOMEM;
+ }
+ device->private_free = snd_cs8427_free;
+
+ if (reset_timeout < 1)
+ reset_timeout = 1;
+ chip->reset_timeout = reset_timeout;
+
+ err = snd_cs8427_init(bus, device);
+ if (err)
+ goto __fail;
+
+#if 0 // it's nice for read tests
+ {
+ char buf[128];
+ int xx;
+ buf[0] = 0x81;
+ snd_i2c_sendbytes(device, buf, 1);
+ snd_i2c_readbytes(device, buf, 127);
+ for (xx = 0; xx < 127; xx++)
+ printk(KERN_DEBUG "reg[0x%x] = 0x%x\n", xx+1, buf[xx]);
+ }
+#endif
+
+ if (r_cs8427)
+ *r_cs8427 = device;
+ return 0;
+
+ __fail:
+ snd_i2c_device_free(device);
+ return err < 0 ? err : -EIO;
+}
+
+EXPORT_SYMBOL(snd_cs8427_create);
+
+/*
+ * Reset the chip using run bit, also lock PLL using ILRCK and
+ * put back AES3INPUT. This workaround is described in latest
+ * CS8427 datasheet, otherwise TXDSERIAL will not work.
+ */
+static void snd_cs8427_reset(struct snd_i2c_device *cs8427)
+{
+ struct cs8427 *chip;
+ unsigned long end_time;
+ int data, aes3input = 0;
+
+ if (snd_BUG_ON(!cs8427))
+ return;
+ chip = cs8427->private_data;
+ snd_i2c_lock(cs8427->bus);
+ if ((chip->regmap[CS8427_REG_CLOCKSOURCE] & CS8427_RXDAES3INPUT) ==
+ CS8427_RXDAES3INPUT) /* AES3 bit is set */
+ aes3input = 1;
+ chip->regmap[CS8427_REG_CLOCKSOURCE] &= ~(CS8427_RUN | CS8427_RXDMASK);
+ snd_cs8427_reg_write(cs8427, CS8427_REG_CLOCKSOURCE,
+ chip->regmap[CS8427_REG_CLOCKSOURCE]);
+ udelay(200);
+ chip->regmap[CS8427_REG_CLOCKSOURCE] |= CS8427_RUN | CS8427_RXDILRCK;
+ snd_cs8427_reg_write(cs8427, CS8427_REG_CLOCKSOURCE,
+ chip->regmap[CS8427_REG_CLOCKSOURCE]);
+ udelay(200);
+ snd_i2c_unlock(cs8427->bus);
+ end_time = jiffies + chip->reset_timeout;
+ while (time_after_eq(end_time, jiffies)) {
+ snd_i2c_lock(cs8427->bus);
+ data = snd_cs8427_reg_read(cs8427, CS8427_REG_RECVERRORS);
+ snd_i2c_unlock(cs8427->bus);
+ if (!(data & CS8427_UNLOCK))
+ break;
+ schedule_timeout_uninterruptible(1);
+ }
+ snd_i2c_lock(cs8427->bus);
+ chip->regmap[CS8427_REG_CLOCKSOURCE] &= ~CS8427_RXDMASK;
+ if (aes3input)
+ chip->regmap[CS8427_REG_CLOCKSOURCE] |= CS8427_RXDAES3INPUT;
+ snd_cs8427_reg_write(cs8427, CS8427_REG_CLOCKSOURCE,
+ chip->regmap[CS8427_REG_CLOCKSOURCE]);
+ snd_i2c_unlock(cs8427->bus);
+}
+
+static int snd_cs8427_in_status_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 = 255;
+ return 0;
+}
+
+static int snd_cs8427_in_status_get(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_value *ucontrol)
+{
+ struct snd_i2c_device *device = snd_kcontrol_chip(kcontrol);
+ int data;
+
+ snd_i2c_lock(device->bus);
+ data = snd_cs8427_reg_read(device, kcontrol->private_value);
+ snd_i2c_unlock(device->bus);
+ if (data < 0)
+ return data;
+ ucontrol->value.integer.value[0] = data;
+ return 0;
+}
+
+static int snd_cs8427_qsubcode_info(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_info *uinfo)
+{
+ uinfo->type = SNDRV_CTL_ELEM_TYPE_BYTES;
+ uinfo->count = 10;
+ return 0;
+}
+
+static int snd_cs8427_qsubcode_get(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_value *ucontrol)
+{
+ struct snd_i2c_device *device = snd_kcontrol_chip(kcontrol);
+ unsigned char reg = CS8427_REG_QSUBCODE;
+ int err;
+
+ snd_i2c_lock(device->bus);
+ err = snd_i2c_sendbytes(device, &reg, 1);
+ if (err != 1) {
+ snd_printk(KERN_ERR "unable to send register 0x%x byte "
+ "to CS8427\n", reg);
+ snd_i2c_unlock(device->bus);
+ return err < 0 ? err : -EIO;
+ }
+ err = snd_i2c_readbytes(device, ucontrol->value.bytes.data, 10);
+ if (err != 10) {
+ snd_printk(KERN_ERR "unable to read Q-subcode bytes "
+ "from CS8427\n");
+ snd_i2c_unlock(device->bus);
+ return err < 0 ? err : -EIO;
+ }
+ snd_i2c_unlock(device->bus);
+ return 0;
+}
+
+static int snd_cs8427_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_cs8427_spdif_get(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_value *ucontrol)
+{
+ struct snd_i2c_device *device = snd_kcontrol_chip(kcontrol);
+ struct cs8427 *chip = device->private_data;
+
+ snd_i2c_lock(device->bus);
+ memcpy(ucontrol->value.iec958.status, chip->playback.def_status, 24);
+ snd_i2c_unlock(device->bus);
+ return 0;
+}
+
+static int snd_cs8427_spdif_put(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_value *ucontrol)
+{
+ struct snd_i2c_device *device = snd_kcontrol_chip(kcontrol);
+ struct cs8427 *chip = device->private_data;
+ unsigned char *status = kcontrol->private_value ?
+ chip->playback.pcm_status : chip->playback.def_status;
+ struct snd_pcm_runtime *runtime = chip->playback.substream ?
+ chip->playback.substream->runtime : NULL;
+ int err, change;
+
+ snd_i2c_lock(device->bus);
+ change = memcmp(ucontrol->value.iec958.status, status, 24) != 0;
+ memcpy(status, ucontrol->value.iec958.status, 24);
+ if (change && (kcontrol->private_value ?
+ runtime != NULL : runtime == NULL)) {
+ err = snd_cs8427_send_corudata(device, 0, status, 24);
+ if (err < 0)
+ change = err;
+ }
+ snd_i2c_unlock(device->bus);
+ return change;
+}
+
+static int snd_cs8427_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_cs8427_spdif_mask_get(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_value *ucontrol)
+{
+ memset(ucontrol->value.iec958.status, 0xff, 24);
+ return 0;
+}
+
+static const struct snd_kcontrol_new snd_cs8427_iec958_controls[] = {
+{
+ .iface = SNDRV_CTL_ELEM_IFACE_PCM,
+ .info = snd_cs8427_in_status_info,
+ .name = "IEC958 CS8427 Input Status",
+ .access = (SNDRV_CTL_ELEM_ACCESS_READ |
+ SNDRV_CTL_ELEM_ACCESS_VOLATILE),
+ .get = snd_cs8427_in_status_get,
+ .private_value = 15,
+},
+{
+ .iface = SNDRV_CTL_ELEM_IFACE_PCM,
+ .info = snd_cs8427_in_status_info,
+ .name = "IEC958 CS8427 Error Status",
+ .access = (SNDRV_CTL_ELEM_ACCESS_READ |
+ SNDRV_CTL_ELEM_ACCESS_VOLATILE),
+ .get = snd_cs8427_in_status_get,
+ .private_value = 16,
+},
+{
+ .access = SNDRV_CTL_ELEM_ACCESS_READ,
+ .iface = SNDRV_CTL_ELEM_IFACE_PCM,
+ .name = SNDRV_CTL_NAME_IEC958("",PLAYBACK,MASK),
+ .info = snd_cs8427_spdif_mask_info,
+ .get = snd_cs8427_spdif_mask_get,
+},
+{
+ .iface = SNDRV_CTL_ELEM_IFACE_PCM,
+ .name = SNDRV_CTL_NAME_IEC958("",PLAYBACK,DEFAULT),
+ .info = snd_cs8427_spdif_info,
+ .get = snd_cs8427_spdif_get,
+ .put = snd_cs8427_spdif_put,
+ .private_value = 0
+},
+{
+ .access = (SNDRV_CTL_ELEM_ACCESS_READWRITE |
+ SNDRV_CTL_ELEM_ACCESS_INACTIVE),
+ .iface = SNDRV_CTL_ELEM_IFACE_PCM,
+ .name = SNDRV_CTL_NAME_IEC958("",PLAYBACK,PCM_STREAM),
+ .info = snd_cs8427_spdif_info,
+ .get = snd_cs8427_spdif_get,
+ .put = snd_cs8427_spdif_put,
+ .private_value = 1
+},
+{
+ .iface = SNDRV_CTL_ELEM_IFACE_PCM,
+ .info = snd_cs8427_qsubcode_info,
+ .name = "IEC958 Q-subcode Capture Default",
+ .access = (SNDRV_CTL_ELEM_ACCESS_READ |
+ SNDRV_CTL_ELEM_ACCESS_VOLATILE),
+ .get = snd_cs8427_qsubcode_get
+}};
+
+int snd_cs8427_iec958_build(struct snd_i2c_device *cs8427,
+ struct snd_pcm_substream *play_substream,
+ struct snd_pcm_substream *cap_substream)
+{
+ struct cs8427 *chip = cs8427->private_data;
+ struct snd_kcontrol *kctl;
+ unsigned int idx;
+ int err;
+
+ if (snd_BUG_ON(!play_substream || !cap_substream))
+ return -EINVAL;
+ for (idx = 0; idx < ARRAY_SIZE(snd_cs8427_iec958_controls); idx++) {
+ kctl = snd_ctl_new1(&snd_cs8427_iec958_controls[idx], cs8427);
+ if (kctl == NULL)
+ return -ENOMEM;
+ kctl->id.device = play_substream->pcm->device;
+ kctl->id.subdevice = play_substream->number;
+ err = snd_ctl_add(cs8427->bus->card, kctl);
+ if (err < 0)
+ return err;
+ if (! strcmp(kctl->id.name,
+ SNDRV_CTL_NAME_IEC958("",PLAYBACK,PCM_STREAM)))
+ chip->playback.pcm_ctl = kctl;
+ }
+
+ chip->playback.substream = play_substream;
+ chip->capture.substream = cap_substream;
+ if (snd_BUG_ON(!chip->playback.pcm_ctl))
+ return -EIO;
+ return 0;
+}
+
+EXPORT_SYMBOL(snd_cs8427_iec958_build);
+
+int snd_cs8427_iec958_active(struct snd_i2c_device *cs8427, int active)
+{
+ struct cs8427 *chip;
+
+ if (snd_BUG_ON(!cs8427))
+ return -ENXIO;
+ chip = cs8427->private_data;
+ if (active) {
+ memcpy(chip->playback.pcm_status,
+ chip->playback.def_status, 24);
+ chip->playback.pcm_ctl->vd[0].access &= ~SNDRV_CTL_ELEM_ACCESS_INACTIVE;
+ } else {
+ chip->playback.pcm_ctl->vd[0].access |= SNDRV_CTL_ELEM_ACCESS_INACTIVE;
+ }
+ snd_ctl_notify(cs8427->bus->card,
+ SNDRV_CTL_EVENT_MASK_VALUE | SNDRV_CTL_EVENT_MASK_INFO,
+ &chip->playback.pcm_ctl->id);
+ return 0;
+}
+
+EXPORT_SYMBOL(snd_cs8427_iec958_active);
+
+int snd_cs8427_iec958_pcm(struct snd_i2c_device *cs8427, unsigned int rate)
+{
+ struct cs8427 *chip;
+ char *status;
+ int err, reset;
+
+ if (snd_BUG_ON(!cs8427))
+ return -ENXIO;
+ chip = cs8427->private_data;
+ status = chip->playback.pcm_status;
+ snd_i2c_lock(cs8427->bus);
+ if (status[0] & IEC958_AES0_PROFESSIONAL) {
+ status[0] &= ~IEC958_AES0_PRO_FS;
+ switch (rate) {
+ case 32000: status[0] |= IEC958_AES0_PRO_FS_32000; break;
+ case 44100: status[0] |= IEC958_AES0_PRO_FS_44100; break;
+ case 48000: status[0] |= IEC958_AES0_PRO_FS_48000; break;
+ default: status[0] |= IEC958_AES0_PRO_FS_NOTID; break;
+ }
+ } else {
+ status[3] &= ~IEC958_AES3_CON_FS;
+ switch (rate) {
+ case 32000: status[3] |= IEC958_AES3_CON_FS_32000; break;
+ case 44100: status[3] |= IEC958_AES3_CON_FS_44100; break;
+ case 48000: status[3] |= IEC958_AES3_CON_FS_48000; break;
+ }
+ }
+ err = snd_cs8427_send_corudata(cs8427, 0, status, 24);
+ if (err > 0)
+ snd_ctl_notify(cs8427->bus->card,
+ SNDRV_CTL_EVENT_MASK_VALUE,
+ &chip->playback.pcm_ctl->id);
+ reset = chip->rate != rate;
+ chip->rate = rate;
+ snd_i2c_unlock(cs8427->bus);
+ if (reset)
+ snd_cs8427_reset(cs8427);
+ return err < 0 ? err : 0;
+}
+
+EXPORT_SYMBOL(snd_cs8427_iec958_pcm);
diff --git a/sound/i2c/i2c.c b/sound/i2c/i2c.c
new file mode 100644
index 0000000000..847e3b6ca6
--- /dev/null
+++ b/sound/i2c/i2c.c
@@ -0,0 +1,326 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
+/*
+ * Generic i2c interface for ALSA
+ *
+ * (c) 1998 Gerd Knorr <kraxel@cs.tu-berlin.de>
+ * Modified for the ALSA driver by Jaroslav Kysela <perex@perex.cz>
+ */
+
+#include <linux/init.h>
+#include <linux/slab.h>
+#include <linux/module.h>
+#include <linux/string.h>
+#include <linux/errno.h>
+#include <sound/core.h>
+#include <sound/i2c.h>
+
+MODULE_AUTHOR("Jaroslav Kysela <perex@perex.cz>");
+MODULE_DESCRIPTION("Generic i2c interface for ALSA");
+MODULE_LICENSE("GPL");
+
+static int snd_i2c_bit_sendbytes(struct snd_i2c_device *device,
+ unsigned char *bytes, int count);
+static int snd_i2c_bit_readbytes(struct snd_i2c_device *device,
+ unsigned char *bytes, int count);
+static int snd_i2c_bit_probeaddr(struct snd_i2c_bus *bus,
+ unsigned short addr);
+
+static const struct snd_i2c_ops snd_i2c_bit_ops = {
+ .sendbytes = snd_i2c_bit_sendbytes,
+ .readbytes = snd_i2c_bit_readbytes,
+ .probeaddr = snd_i2c_bit_probeaddr,
+};
+
+static int snd_i2c_bus_free(struct snd_i2c_bus *bus)
+{
+ struct snd_i2c_bus *slave;
+ struct snd_i2c_device *device;
+
+ if (snd_BUG_ON(!bus))
+ return -EINVAL;
+ while (!list_empty(&bus->devices)) {
+ device = snd_i2c_device(bus->devices.next);
+ snd_i2c_device_free(device);
+ }
+ if (bus->master)
+ list_del(&bus->buses);
+ else {
+ while (!list_empty(&bus->buses)) {
+ slave = snd_i2c_slave_bus(bus->buses.next);
+ snd_device_free(bus->card, slave);
+ }
+ }
+ if (bus->private_free)
+ bus->private_free(bus);
+ kfree(bus);
+ return 0;
+}
+
+static int snd_i2c_bus_dev_free(struct snd_device *device)
+{
+ struct snd_i2c_bus *bus = device->device_data;
+ return snd_i2c_bus_free(bus);
+}
+
+int snd_i2c_bus_create(struct snd_card *card, const char *name,
+ struct snd_i2c_bus *master, struct snd_i2c_bus **ri2c)
+{
+ struct snd_i2c_bus *bus;
+ int err;
+ static const struct snd_device_ops ops = {
+ .dev_free = snd_i2c_bus_dev_free,
+ };
+
+ *ri2c = NULL;
+ bus = kzalloc(sizeof(*bus), GFP_KERNEL);
+ if (bus == NULL)
+ return -ENOMEM;
+ mutex_init(&bus->lock_mutex);
+ INIT_LIST_HEAD(&bus->devices);
+ INIT_LIST_HEAD(&bus->buses);
+ bus->card = card;
+ bus->ops = &snd_i2c_bit_ops;
+ if (master) {
+ list_add_tail(&bus->buses, &master->buses);
+ bus->master = master;
+ }
+ strscpy(bus->name, name, sizeof(bus->name));
+ err = snd_device_new(card, SNDRV_DEV_BUS, bus, &ops);
+ if (err < 0) {
+ snd_i2c_bus_free(bus);
+ return err;
+ }
+ *ri2c = bus;
+ return 0;
+}
+
+EXPORT_SYMBOL(snd_i2c_bus_create);
+
+int snd_i2c_device_create(struct snd_i2c_bus *bus, const char *name,
+ unsigned char addr, struct snd_i2c_device **rdevice)
+{
+ struct snd_i2c_device *device;
+
+ *rdevice = NULL;
+ if (snd_BUG_ON(!bus))
+ return -EINVAL;
+ device = kzalloc(sizeof(*device), GFP_KERNEL);
+ if (device == NULL)
+ return -ENOMEM;
+ device->addr = addr;
+ strscpy(device->name, name, sizeof(device->name));
+ list_add_tail(&device->list, &bus->devices);
+ device->bus = bus;
+ *rdevice = device;
+ return 0;
+}
+
+EXPORT_SYMBOL(snd_i2c_device_create);
+
+int snd_i2c_device_free(struct snd_i2c_device *device)
+{
+ if (device->bus)
+ list_del(&device->list);
+ if (device->private_free)
+ device->private_free(device);
+ kfree(device);
+ return 0;
+}
+
+EXPORT_SYMBOL(snd_i2c_device_free);
+
+int snd_i2c_sendbytes(struct snd_i2c_device *device, unsigned char *bytes, int count)
+{
+ return device->bus->ops->sendbytes(device, bytes, count);
+}
+
+EXPORT_SYMBOL(snd_i2c_sendbytes);
+
+int snd_i2c_readbytes(struct snd_i2c_device *device, unsigned char *bytes, int count)
+{
+ return device->bus->ops->readbytes(device, bytes, count);
+}
+
+EXPORT_SYMBOL(snd_i2c_readbytes);
+
+int snd_i2c_probeaddr(struct snd_i2c_bus *bus, unsigned short addr)
+{
+ return bus->ops->probeaddr(bus, addr);
+}
+
+EXPORT_SYMBOL(snd_i2c_probeaddr);
+
+/*
+ * bit-operations
+ */
+
+static inline void snd_i2c_bit_hw_start(struct snd_i2c_bus *bus)
+{
+ if (bus->hw_ops.bit->start)
+ bus->hw_ops.bit->start(bus);
+}
+
+static inline void snd_i2c_bit_hw_stop(struct snd_i2c_bus *bus)
+{
+ if (bus->hw_ops.bit->stop)
+ bus->hw_ops.bit->stop(bus);
+}
+
+static void snd_i2c_bit_direction(struct snd_i2c_bus *bus, int clock, int data)
+{
+ if (bus->hw_ops.bit->direction)
+ bus->hw_ops.bit->direction(bus, clock, data);
+}
+
+static void snd_i2c_bit_set(struct snd_i2c_bus *bus, int clock, int data)
+{
+ bus->hw_ops.bit->setlines(bus, clock, data);
+}
+
+#if 0
+static int snd_i2c_bit_clock(struct snd_i2c_bus *bus)
+{
+ if (bus->hw_ops.bit->getclock)
+ return bus->hw_ops.bit->getclock(bus);
+ return -ENXIO;
+}
+#endif
+
+static int snd_i2c_bit_data(struct snd_i2c_bus *bus, int ack)
+{
+ return bus->hw_ops.bit->getdata(bus, ack);
+}
+
+static void snd_i2c_bit_start(struct snd_i2c_bus *bus)
+{
+ snd_i2c_bit_hw_start(bus);
+ snd_i2c_bit_direction(bus, 1, 1); /* SCL - wr, SDA - wr */
+ snd_i2c_bit_set(bus, 1, 1);
+ snd_i2c_bit_set(bus, 1, 0);
+ snd_i2c_bit_set(bus, 0, 0);
+}
+
+static void snd_i2c_bit_stop(struct snd_i2c_bus *bus)
+{
+ snd_i2c_bit_set(bus, 0, 0);
+ snd_i2c_bit_set(bus, 1, 0);
+ snd_i2c_bit_set(bus, 1, 1);
+ snd_i2c_bit_hw_stop(bus);
+}
+
+static void snd_i2c_bit_send(struct snd_i2c_bus *bus, int data)
+{
+ snd_i2c_bit_set(bus, 0, data);
+ snd_i2c_bit_set(bus, 1, data);
+ snd_i2c_bit_set(bus, 0, data);
+}
+
+static int snd_i2c_bit_ack(struct snd_i2c_bus *bus)
+{
+ int ack;
+
+ snd_i2c_bit_set(bus, 0, 1);
+ snd_i2c_bit_set(bus, 1, 1);
+ snd_i2c_bit_direction(bus, 1, 0); /* SCL - wr, SDA - rd */
+ ack = snd_i2c_bit_data(bus, 1);
+ snd_i2c_bit_direction(bus, 1, 1); /* SCL - wr, SDA - wr */
+ snd_i2c_bit_set(bus, 0, 1);
+ return ack ? -EIO : 0;
+}
+
+static int snd_i2c_bit_sendbyte(struct snd_i2c_bus *bus, unsigned char data)
+{
+ int i, err;
+
+ for (i = 7; i >= 0; i--)
+ snd_i2c_bit_send(bus, !!(data & (1 << i)));
+ err = snd_i2c_bit_ack(bus);
+ if (err < 0)
+ return err;
+ return 0;
+}
+
+static int snd_i2c_bit_readbyte(struct snd_i2c_bus *bus, int last)
+{
+ int i;
+ unsigned char data = 0;
+
+ snd_i2c_bit_set(bus, 0, 1);
+ snd_i2c_bit_direction(bus, 1, 0); /* SCL - wr, SDA - rd */
+ for (i = 7; i >= 0; i--) {
+ snd_i2c_bit_set(bus, 1, 1);
+ if (snd_i2c_bit_data(bus, 0))
+ data |= (1 << i);
+ snd_i2c_bit_set(bus, 0, 1);
+ }
+ snd_i2c_bit_direction(bus, 1, 1); /* SCL - wr, SDA - wr */
+ snd_i2c_bit_send(bus, !!last);
+ return data;
+}
+
+static int snd_i2c_bit_sendbytes(struct snd_i2c_device *device,
+ unsigned char *bytes, int count)
+{
+ struct snd_i2c_bus *bus = device->bus;
+ int err, res = 0;
+
+ if (device->flags & SND_I2C_DEVICE_ADDRTEN)
+ return -EIO; /* not yet implemented */
+ snd_i2c_bit_start(bus);
+ err = snd_i2c_bit_sendbyte(bus, device->addr << 1);
+ if (err < 0) {
+ snd_i2c_bit_hw_stop(bus);
+ return err;
+ }
+ while (count-- > 0) {
+ err = snd_i2c_bit_sendbyte(bus, *bytes++);
+ if (err < 0) {
+ snd_i2c_bit_hw_stop(bus);
+ return err;
+ }
+ res++;
+ }
+ snd_i2c_bit_stop(bus);
+ return res;
+}
+
+static int snd_i2c_bit_readbytes(struct snd_i2c_device *device,
+ unsigned char *bytes, int count)
+{
+ struct snd_i2c_bus *bus = device->bus;
+ int err, res = 0;
+
+ if (device->flags & SND_I2C_DEVICE_ADDRTEN)
+ return -EIO; /* not yet implemented */
+ snd_i2c_bit_start(bus);
+ err = snd_i2c_bit_sendbyte(bus, (device->addr << 1) | 1);
+ if (err < 0) {
+ snd_i2c_bit_hw_stop(bus);
+ return err;
+ }
+ while (count-- > 0) {
+ err = snd_i2c_bit_readbyte(bus, count == 0);
+ if (err < 0) {
+ snd_i2c_bit_hw_stop(bus);
+ return err;
+ }
+ *bytes++ = (unsigned char)err;
+ res++;
+ }
+ snd_i2c_bit_stop(bus);
+ return res;
+}
+
+static int snd_i2c_bit_probeaddr(struct snd_i2c_bus *bus, unsigned short addr)
+{
+ int err;
+
+ if (addr & 0x8000) /* 10-bit address */
+ return -EIO; /* not yet implemented */
+ if (addr & 0x7f80) /* invalid address */
+ return -EINVAL;
+ snd_i2c_bit_start(bus);
+ err = snd_i2c_bit_sendbyte(bus, addr << 1);
+ snd_i2c_bit_stop(bus);
+ return err;
+}
diff --git a/sound/i2c/other/Makefile b/sound/i2c/other/Makefile
new file mode 100644
index 0000000000..1a4ce12361
--- /dev/null
+++ b/sound/i2c/other/Makefile
@@ -0,0 +1,16 @@
+# SPDX-License-Identifier: GPL-2.0
+#
+# Makefile for ALSA
+# Copyright (c) 2003 by Jaroslav Kysela <perex@perex.cz>
+#
+
+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
+
+# 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-ak4113.o snd-ak4xxx-adda.o snd-pt2258.o
diff --git a/sound/i2c/other/ak4113.c b/sound/i2c/other/ak4113.c
new file mode 100644
index 0000000000..e7213092eb
--- /dev/null
+++ b/sound/i2c/other/ak4113.c
@@ -0,0 +1,640 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
+/*
+ * 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>
+ */
+
+#include <linux/slab.h>
+#include <linux/delay.h>
+#include <linux/module.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)
+{
+ atomic_inc(&chip->wq_processing); /* don't schedule new work */
+ cancel_delayed_work_sync(&chip->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,
+ void *private_data, struct ak4113 **r_ak4113)
+{
+ struct ak4113 *chip;
+ int err;
+ unsigned char reg;
+ static const 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);
+ atomic_set(&chip->wq_processing, 0);
+ mutex_init(&chip->reinit_mutex);
+
+ 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_CODEC, chip, &ops);
+ if (err < 0)
+ goto __fail;
+
+ if (r_ak4113)
+ *r_ak4113 = chip;
+ return 0;
+
+__fail:
+ snd_ak4113_free(chip);
+ return err;
+}
+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)
+{
+ if (atomic_inc_return(&chip->wq_processing) == 1)
+ cancel_delayed_work_sync(&chip->work);
+ mutex_lock(&chip->reinit_mutex);
+ ak4113_init_regs(chip);
+ mutex_unlock(&chip->reinit_mutex);
+ /* bring up statistics / event queing */
+ if (atomic_dec_and_test(&chip->wq_processing))
+ 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);
+
+ spin_lock_irq(&chip->lock);
+ ucontrol->value.integer.value[0] =
+ chip->errors[kcontrol->private_value];
+ chip->errors[kcontrol->private_value] = 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 const 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 = 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 = 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 = 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 = 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 Preamble 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)
+{
+ snd_card_ro_proc_new(ak4113->card, "ak4113", 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->errors[AK4113_PARITY_ERRORS]++;
+ if (rcs0 & AK4113_V)
+ ak4113->errors[AK4113_V_BIT_ERRORS]++;
+ if (rcs2 & AK4113_CCRC)
+ ak4113->errors[AK4113_CCRC_ERRORS]++;
+ if (rcs2 & AK4113_QCRC)
+ ak4113->errors[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 (atomic_inc_return(&chip->wq_processing) == 1)
+ snd_ak4113_check_rate_and_errors(chip, chip->check_flags);
+
+ if (atomic_dec_and_test(&chip->wq_processing))
+ schedule_delayed_work(&chip->work, HZ / 10);
+}
+
+#ifdef CONFIG_PM
+void snd_ak4113_suspend(struct ak4113 *chip)
+{
+ atomic_inc(&chip->wq_processing); /* don't schedule new work */
+ cancel_delayed_work_sync(&chip->work);
+}
+EXPORT_SYMBOL(snd_ak4113_suspend);
+
+void snd_ak4113_resume(struct ak4113 *chip)
+{
+ atomic_dec(&chip->wq_processing);
+ snd_ak4113_reinit(chip);
+}
+EXPORT_SYMBOL(snd_ak4113_resume);
+#endif
diff --git a/sound/i2c/other/ak4114.c b/sound/i2c/other/ak4114.c
new file mode 100644
index 0000000000..c0cffe2898
--- /dev/null
+++ b/sound/i2c/other/ak4114.c
@@ -0,0 +1,626 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
+/*
+ * Routines for control of the AK4114 via I2C and 4-wire serial interface
+ * IEC958 (S/PDIF) receiver by Asahi Kasei
+ * Copyright (c) by Jaroslav Kysela <perex@perex.cz>
+ */
+
+#include <linux/slab.h>
+#include <linux/delay.h>
+#include <linux/module.h>
+#include <sound/core.h>
+#include <sound/control.h>
+#include <sound/pcm.h>
+#include <sound/ak4114.h>
+#include <sound/asoundef.h>
+#include <sound/info.h>
+
+MODULE_AUTHOR("Jaroslav Kysela <perex@perex.cz>");
+MODULE_DESCRIPTION("AK4114 IEC958 (S/PDIF) receiver by Asahi Kasei");
+MODULE_LICENSE("GPL");
+
+#define AK4114_ADDR 0x00 /* fixed address */
+
+static void ak4114_stats(struct work_struct *work);
+static void ak4114_init_regs(struct ak4114 *chip);
+
+static void reg_write(struct ak4114 *ak4114, unsigned char reg, unsigned char val)
+{
+ ak4114->write(ak4114->private_data, reg, val);
+ if (reg <= AK4114_REG_INT1_MASK)
+ ak4114->regmap[reg] = val;
+ else if (reg >= AK4114_REG_TXCSB0 && reg <= AK4114_REG_TXCSB4)
+ ak4114->txcsb[reg-AK4114_REG_TXCSB0] = val;
+}
+
+static inline unsigned char reg_read(struct ak4114 *ak4114, unsigned char reg)
+{
+ return ak4114->read(ak4114->private_data, reg);
+}
+
+#if 0
+static void reg_dump(struct ak4114 *ak4114)
+{
+ int i;
+
+ printk(KERN_DEBUG "AK4114 REG DUMP:\n");
+ for (i = 0; i < 0x20; i++)
+ printk(KERN_DEBUG "reg[%02x] = %02x (%02x)\n", i, reg_read(ak4114, i), i < ARRAY_SIZE(ak4114->regmap) ? ak4114->regmap[i] : 0);
+}
+#endif
+
+static void snd_ak4114_free(struct ak4114 *chip)
+{
+ atomic_inc(&chip->wq_processing); /* don't schedule new work */
+ cancel_delayed_work_sync(&chip->work);
+ kfree(chip);
+}
+
+static int snd_ak4114_dev_free(struct snd_device *device)
+{
+ struct ak4114 *chip = device->device_data;
+ snd_ak4114_free(chip);
+ return 0;
+}
+
+int snd_ak4114_create(struct snd_card *card,
+ ak4114_read_t *read, ak4114_write_t *write,
+ const unsigned char pgm[6], const unsigned char txcsb[5],
+ void *private_data, struct ak4114 **r_ak4114)
+{
+ struct ak4114 *chip;
+ int err = 0;
+ unsigned char reg;
+ static const struct snd_device_ops ops = {
+ .dev_free = snd_ak4114_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, ak4114_stats);
+ atomic_set(&chip->wq_processing, 0);
+ mutex_init(&chip->reinit_mutex);
+
+ for (reg = 0; reg < 6; reg++)
+ chip->regmap[reg] = pgm[reg];
+ for (reg = 0; reg < 5; reg++)
+ chip->txcsb[reg] = txcsb[reg];
+
+ ak4114_init_regs(chip);
+
+ chip->rcs0 = reg_read(chip, AK4114_REG_RCS0) & ~(AK4114_QINT | AK4114_CINT);
+ chip->rcs1 = reg_read(chip, AK4114_REG_RCS1);
+
+ err = snd_device_new(card, SNDRV_DEV_CODEC, chip, &ops);
+ if (err < 0)
+ goto __fail;
+
+ if (r_ak4114)
+ *r_ak4114 = chip;
+ return 0;
+
+ __fail:
+ snd_ak4114_free(chip);
+ return err;
+}
+EXPORT_SYMBOL(snd_ak4114_create);
+
+void snd_ak4114_reg_write(struct ak4114 *chip, unsigned char reg, unsigned char mask, unsigned char val)
+{
+ if (reg <= AK4114_REG_INT1_MASK)
+ reg_write(chip, reg, (chip->regmap[reg] & ~mask) | val);
+ else if (reg >= AK4114_REG_TXCSB0 && reg <= AK4114_REG_TXCSB4)
+ reg_write(chip, reg,
+ (chip->txcsb[reg-AK4114_REG_TXCSB0] & ~mask) | val);
+}
+EXPORT_SYMBOL(snd_ak4114_reg_write);
+
+static void ak4114_init_regs(struct ak4114 *chip)
+{
+ unsigned char old = chip->regmap[AK4114_REG_PWRDN], reg;
+
+ /* bring the chip to reset state and powerdown state */
+ reg_write(chip, AK4114_REG_PWRDN, old & ~(AK4114_RST|AK4114_PWN));
+ udelay(200);
+ /* release reset, but leave powerdown */
+ reg_write(chip, AK4114_REG_PWRDN, (old | AK4114_RST) & ~AK4114_PWN);
+ udelay(200);
+ for (reg = 1; reg < 6; reg++)
+ reg_write(chip, reg, chip->regmap[reg]);
+ for (reg = 0; reg < 5; reg++)
+ reg_write(chip, reg + AK4114_REG_TXCSB0, chip->txcsb[reg]);
+ /* release powerdown, everything is initialized now */
+ reg_write(chip, AK4114_REG_PWRDN, old | AK4114_RST | AK4114_PWN);
+}
+
+void snd_ak4114_reinit(struct ak4114 *chip)
+{
+ if (atomic_inc_return(&chip->wq_processing) == 1)
+ cancel_delayed_work_sync(&chip->work);
+ mutex_lock(&chip->reinit_mutex);
+ ak4114_init_regs(chip);
+ mutex_unlock(&chip->reinit_mutex);
+ /* bring up statistics / event queing */
+ if (atomic_dec_and_test(&chip->wq_processing))
+ schedule_delayed_work(&chip->work, HZ / 10);
+}
+EXPORT_SYMBOL(snd_ak4114_reinit);
+
+static unsigned int external_rate(unsigned char rcs1)
+{
+ switch (rcs1 & (AK4114_FS0|AK4114_FS1|AK4114_FS2|AK4114_FS3)) {
+ case AK4114_FS_32000HZ: return 32000;
+ case AK4114_FS_44100HZ: return 44100;
+ case AK4114_FS_48000HZ: return 48000;
+ case AK4114_FS_88200HZ: return 88200;
+ case AK4114_FS_96000HZ: return 96000;
+ case AK4114_FS_176400HZ: return 176400;
+ case AK4114_FS_192000HZ: return 192000;
+ default: return 0;
+ }
+}
+
+static int snd_ak4114_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_ak4114_in_error_get(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_value *ucontrol)
+{
+ struct ak4114 *chip = snd_kcontrol_chip(kcontrol);
+
+ spin_lock_irq(&chip->lock);
+ ucontrol->value.integer.value[0] =
+ chip->errors[kcontrol->private_value];
+ chip->errors[kcontrol->private_value] = 0;
+ spin_unlock_irq(&chip->lock);
+ return 0;
+}
+
+#define snd_ak4114_in_bit_info snd_ctl_boolean_mono_info
+
+static int snd_ak4114_in_bit_get(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_value *ucontrol)
+{
+ struct ak4114 *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_ak4114_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_ak4114_rate_get(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_value *ucontrol)
+{
+ struct ak4114 *chip = snd_kcontrol_chip(kcontrol);
+
+ ucontrol->value.integer.value[0] = external_rate(reg_read(chip, AK4114_REG_RCS1));
+ return 0;
+}
+
+static int snd_ak4114_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_ak4114_spdif_get(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_value *ucontrol)
+{
+ struct ak4114 *chip = snd_kcontrol_chip(kcontrol);
+ unsigned i;
+
+ for (i = 0; i < AK4114_REG_RXCSB_SIZE; i++)
+ ucontrol->value.iec958.status[i] = reg_read(chip, AK4114_REG_RXCSB0 + i);
+ return 0;
+}
+
+static int snd_ak4114_spdif_playback_get(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_value *ucontrol)
+{
+ struct ak4114 *chip = snd_kcontrol_chip(kcontrol);
+ unsigned i;
+
+ for (i = 0; i < AK4114_REG_TXCSB_SIZE; i++)
+ ucontrol->value.iec958.status[i] = chip->txcsb[i];
+ return 0;
+}
+
+static int snd_ak4114_spdif_playback_put(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_value *ucontrol)
+{
+ struct ak4114 *chip = snd_kcontrol_chip(kcontrol);
+ unsigned i;
+
+ for (i = 0; i < AK4114_REG_TXCSB_SIZE; i++)
+ reg_write(chip, AK4114_REG_TXCSB0 + i, ucontrol->value.iec958.status[i]);
+ return 0;
+}
+
+static int snd_ak4114_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_ak4114_spdif_mask_get(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_value *ucontrol)
+{
+ memset(ucontrol->value.iec958.status, 0xff, AK4114_REG_RXCSB_SIZE);
+ return 0;
+}
+
+static int snd_ak4114_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_ak4114_spdif_pget(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_value *ucontrol)
+{
+ struct ak4114 *chip = snd_kcontrol_chip(kcontrol);
+ unsigned short tmp;
+
+ ucontrol->value.integer.value[0] = 0xf8f2;
+ ucontrol->value.integer.value[1] = 0x4e1f;
+ tmp = reg_read(chip, AK4114_REG_Pc0) | (reg_read(chip, AK4114_REG_Pc1) << 8);
+ ucontrol->value.integer.value[2] = tmp;
+ tmp = reg_read(chip, AK4114_REG_Pd0) | (reg_read(chip, AK4114_REG_Pd1) << 8);
+ ucontrol->value.integer.value[3] = tmp;
+ return 0;
+}
+
+static int snd_ak4114_spdif_qinfo(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
+{
+ uinfo->type = SNDRV_CTL_ELEM_TYPE_BYTES;
+ uinfo->count = AK4114_REG_QSUB_SIZE;
+ return 0;
+}
+
+static int snd_ak4114_spdif_qget(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_value *ucontrol)
+{
+ struct ak4114 *chip = snd_kcontrol_chip(kcontrol);
+ unsigned i;
+
+ for (i = 0; i < AK4114_REG_QSUB_SIZE; i++)
+ ucontrol->value.bytes.data[i] = reg_read(chip, AK4114_REG_QSUB_ADDR + i);
+ return 0;
+}
+
+/* Don't forget to change AK4114_CONTROLS define!!! */
+static const struct snd_kcontrol_new snd_ak4114_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_ak4114_in_error_info,
+ .get = snd_ak4114_in_error_get,
+ .private_value = AK4114_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_ak4114_in_error_info,
+ .get = snd_ak4114_in_error_get,
+ .private_value = AK4114_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_ak4114_in_error_info,
+ .get = snd_ak4114_in_error_get,
+ .private_value = AK4114_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_ak4114_in_error_info,
+ .get = snd_ak4114_in_error_get,
+ .private_value = AK4114_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_ak4114_rate_info,
+ .get = snd_ak4114_rate_get,
+},
+{
+ .iface = SNDRV_CTL_ELEM_IFACE_PCM,
+ .name = SNDRV_CTL_NAME_IEC958("",PLAYBACK,MASK),
+ .access = SNDRV_CTL_ELEM_ACCESS_READ,
+ .info = snd_ak4114_spdif_mask_info,
+ .get = snd_ak4114_spdif_mask_get,
+},
+{
+ .iface = SNDRV_CTL_ELEM_IFACE_PCM,
+ .name = SNDRV_CTL_NAME_IEC958("",PLAYBACK,DEFAULT),
+ .access = SNDRV_CTL_ELEM_ACCESS_READ | SNDRV_CTL_ELEM_ACCESS_VOLATILE,
+ .info = snd_ak4114_spdif_info,
+ .get = snd_ak4114_spdif_playback_get,
+ .put = snd_ak4114_spdif_playback_put,
+},
+{
+ .iface = SNDRV_CTL_ELEM_IFACE_PCM,
+ .name = SNDRV_CTL_NAME_IEC958("",CAPTURE,MASK),
+ .access = SNDRV_CTL_ELEM_ACCESS_READ,
+ .info = snd_ak4114_spdif_mask_info,
+ .get = snd_ak4114_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_ak4114_spdif_info,
+ .get = snd_ak4114_spdif_get,
+},
+{
+ .iface = SNDRV_CTL_ELEM_IFACE_PCM,
+ .name = "IEC958 Preamble Capture Default",
+ .access = SNDRV_CTL_ELEM_ACCESS_READ | SNDRV_CTL_ELEM_ACCESS_VOLATILE,
+ .info = snd_ak4114_spdif_pinfo,
+ .get = snd_ak4114_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_ak4114_spdif_qinfo,
+ .get = snd_ak4114_spdif_qget,
+},
+{
+ .iface = SNDRV_CTL_ELEM_IFACE_PCM,
+ .name = "IEC958 Audio",
+ .access = SNDRV_CTL_ELEM_ACCESS_READ | SNDRV_CTL_ELEM_ACCESS_VOLATILE,
+ .info = snd_ak4114_in_bit_info,
+ .get = snd_ak4114_in_bit_get,
+ .private_value = (1<<31) | (1<<8) | AK4114_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_ak4114_in_bit_info,
+ .get = snd_ak4114_in_bit_get,
+ .private_value = (6<<8) | AK4114_REG_RCS0,
+},
+{
+ .iface = SNDRV_CTL_ELEM_IFACE_PCM,
+ .name = "IEC958 DTS Bitstream",
+ .access = SNDRV_CTL_ELEM_ACCESS_READ | SNDRV_CTL_ELEM_ACCESS_VOLATILE,
+ .info = snd_ak4114_in_bit_info,
+ .get = snd_ak4114_in_bit_get,
+ .private_value = (3<<8) | AK4114_REG_RCS0,
+},
+{
+ .iface = SNDRV_CTL_ELEM_IFACE_PCM,
+ .name = "IEC958 PPL Lock Status",
+ .access = SNDRV_CTL_ELEM_ACCESS_READ | SNDRV_CTL_ELEM_ACCESS_VOLATILE,
+ .info = snd_ak4114_in_bit_info,
+ .get = snd_ak4114_in_bit_get,
+ .private_value = (1<<31) | (4<<8) | AK4114_REG_RCS0,
+}
+};
+
+
+static void snd_ak4114_proc_regs_read(struct snd_info_entry *entry,
+ struct snd_info_buffer *buffer)
+{
+ struct ak4114 *ak4114 = entry->private_data;
+ int reg, val;
+ /* all ak4114 registers 0x00 - 0x1f */
+ for (reg = 0; reg < 0x20; reg++) {
+ val = reg_read(ak4114, reg);
+ snd_iprintf(buffer, "0x%02x = 0x%02x\n", reg, val);
+ }
+}
+
+static void snd_ak4114_proc_init(struct ak4114 *ak4114)
+{
+ snd_card_ro_proc_new(ak4114->card, "ak4114", ak4114,
+ snd_ak4114_proc_regs_read);
+}
+
+int snd_ak4114_build(struct ak4114 *ak4114,
+ struct snd_pcm_substream *ply_substream,
+ struct snd_pcm_substream *cap_substream)
+{
+ struct snd_kcontrol *kctl;
+ unsigned int idx;
+ int err;
+
+ if (snd_BUG_ON(!cap_substream))
+ return -EINVAL;
+ ak4114->playback_substream = ply_substream;
+ ak4114->capture_substream = cap_substream;
+ for (idx = 0; idx < AK4114_CONTROLS; idx++) {
+ kctl = snd_ctl_new1(&snd_ak4114_iec958_controls[idx], ak4114);
+ if (kctl == NULL)
+ return -ENOMEM;
+ if (strstr(kctl->id.name, "Playback")) {
+ if (ply_substream == NULL) {
+ snd_ctl_free_one(kctl);
+ ak4114->kctls[idx] = NULL;
+ continue;
+ }
+ kctl->id.device = ply_substream->pcm->device;
+ kctl->id.subdevice = ply_substream->number;
+ } else {
+ kctl->id.device = cap_substream->pcm->device;
+ kctl->id.subdevice = cap_substream->number;
+ }
+ err = snd_ctl_add(ak4114->card, kctl);
+ if (err < 0)
+ return err;
+ ak4114->kctls[idx] = kctl;
+ }
+ snd_ak4114_proc_init(ak4114);
+ /* trigger workq */
+ schedule_delayed_work(&ak4114->work, HZ / 10);
+ return 0;
+}
+EXPORT_SYMBOL(snd_ak4114_build);
+
+/* notify kcontrols if any parameters are changed */
+static void ak4114_notify(struct ak4114 *ak4114,
+ unsigned char rcs0, unsigned char rcs1,
+ unsigned char c0, unsigned char c1)
+{
+ if (!ak4114->kctls[0])
+ return;
+
+ if (rcs0 & AK4114_PAR)
+ snd_ctl_notify(ak4114->card, SNDRV_CTL_EVENT_MASK_VALUE,
+ &ak4114->kctls[0]->id);
+ if (rcs0 & AK4114_V)
+ snd_ctl_notify(ak4114->card, SNDRV_CTL_EVENT_MASK_VALUE,
+ &ak4114->kctls[1]->id);
+ if (rcs1 & AK4114_CCRC)
+ snd_ctl_notify(ak4114->card, SNDRV_CTL_EVENT_MASK_VALUE,
+ &ak4114->kctls[2]->id);
+ if (rcs1 & AK4114_QCRC)
+ snd_ctl_notify(ak4114->card, SNDRV_CTL_EVENT_MASK_VALUE,
+ &ak4114->kctls[3]->id);
+
+ /* rate change */
+ if (c1 & 0xf0)
+ snd_ctl_notify(ak4114->card, SNDRV_CTL_EVENT_MASK_VALUE,
+ &ak4114->kctls[4]->id);
+
+ if ((c0 & AK4114_PEM) | (c0 & AK4114_CINT))
+ snd_ctl_notify(ak4114->card, SNDRV_CTL_EVENT_MASK_VALUE,
+ &ak4114->kctls[9]->id);
+ if (c0 & AK4114_QINT)
+ snd_ctl_notify(ak4114->card, SNDRV_CTL_EVENT_MASK_VALUE,
+ &ak4114->kctls[10]->id);
+
+ if (c0 & AK4114_AUDION)
+ snd_ctl_notify(ak4114->card, SNDRV_CTL_EVENT_MASK_VALUE,
+ &ak4114->kctls[11]->id);
+ if (c0 & AK4114_AUTO)
+ snd_ctl_notify(ak4114->card, SNDRV_CTL_EVENT_MASK_VALUE,
+ &ak4114->kctls[12]->id);
+ if (c0 & AK4114_DTSCD)
+ snd_ctl_notify(ak4114->card, SNDRV_CTL_EVENT_MASK_VALUE,
+ &ak4114->kctls[13]->id);
+ if (c0 & AK4114_UNLCK)
+ snd_ctl_notify(ak4114->card, SNDRV_CTL_EVENT_MASK_VALUE,
+ &ak4114->kctls[14]->id);
+}
+
+int snd_ak4114_external_rate(struct ak4114 *ak4114)
+{
+ unsigned char rcs1;
+
+ rcs1 = reg_read(ak4114, AK4114_REG_RCS1);
+ return external_rate(rcs1);
+}
+EXPORT_SYMBOL(snd_ak4114_external_rate);
+
+int snd_ak4114_check_rate_and_errors(struct ak4114 *ak4114, unsigned int flags)
+{
+ struct snd_pcm_runtime *runtime = ak4114->capture_substream ? ak4114->capture_substream->runtime : NULL;
+ unsigned long _flags;
+ int res = 0;
+ unsigned char rcs0, rcs1;
+ unsigned char c0, c1;
+
+ rcs1 = reg_read(ak4114, AK4114_REG_RCS1);
+ if (flags & AK4114_CHECK_NO_STAT)
+ goto __rate;
+ rcs0 = reg_read(ak4114, AK4114_REG_RCS0);
+ spin_lock_irqsave(&ak4114->lock, _flags);
+ if (rcs0 & AK4114_PAR)
+ ak4114->errors[AK4114_PARITY_ERRORS]++;
+ if (rcs1 & AK4114_V)
+ ak4114->errors[AK4114_V_BIT_ERRORS]++;
+ if (rcs1 & AK4114_CCRC)
+ ak4114->errors[AK4114_CCRC_ERRORS]++;
+ if (rcs1 & AK4114_QCRC)
+ ak4114->errors[AK4114_QCRC_ERRORS]++;
+ c0 = (ak4114->rcs0 & (AK4114_QINT | AK4114_CINT | AK4114_PEM | AK4114_AUDION | AK4114_AUTO | AK4114_UNLCK)) ^
+ (rcs0 & (AK4114_QINT | AK4114_CINT | AK4114_PEM | AK4114_AUDION | AK4114_AUTO | AK4114_UNLCK));
+ c1 = (ak4114->rcs1 & 0xf0) ^ (rcs1 & 0xf0);
+ ak4114->rcs0 = rcs0 & ~(AK4114_QINT | AK4114_CINT);
+ ak4114->rcs1 = rcs1;
+ spin_unlock_irqrestore(&ak4114->lock, _flags);
+
+ ak4114_notify(ak4114, rcs0, rcs1, c0, c1);
+ if (ak4114->change_callback && (c0 | c1) != 0)
+ ak4114->change_callback(ak4114, c0, c1);
+
+ __rate:
+ /* compare rate */
+ res = external_rate(rcs1);
+ if (!(flags & AK4114_CHECK_NO_RATE) && runtime && runtime->rate != res) {
+ snd_pcm_stream_lock_irqsave(ak4114->capture_substream, _flags);
+ if (snd_pcm_running(ak4114->capture_substream)) {
+ // printk(KERN_DEBUG "rate changed (%i <- %i)\n", runtime->rate, res);
+ snd_pcm_stop(ak4114->capture_substream, SNDRV_PCM_STATE_DRAINING);
+ res = 1;
+ }
+ snd_pcm_stream_unlock_irqrestore(ak4114->capture_substream, _flags);
+ }
+ return res;
+}
+EXPORT_SYMBOL(snd_ak4114_check_rate_and_errors);
+
+static void ak4114_stats(struct work_struct *work)
+{
+ struct ak4114 *chip = container_of(work, struct ak4114, work.work);
+
+ if (atomic_inc_return(&chip->wq_processing) == 1)
+ snd_ak4114_check_rate_and_errors(chip, chip->check_flags);
+ if (atomic_dec_and_test(&chip->wq_processing))
+ schedule_delayed_work(&chip->work, HZ / 10);
+}
+
+#ifdef CONFIG_PM
+void snd_ak4114_suspend(struct ak4114 *chip)
+{
+ atomic_inc(&chip->wq_processing); /* don't schedule new work */
+ cancel_delayed_work_sync(&chip->work);
+}
+EXPORT_SYMBOL(snd_ak4114_suspend);
+
+void snd_ak4114_resume(struct ak4114 *chip)
+{
+ atomic_dec(&chip->wq_processing);
+ snd_ak4114_reinit(chip);
+}
+EXPORT_SYMBOL(snd_ak4114_resume);
+#endif
diff --git a/sound/i2c/other/ak4117.c b/sound/i2c/other/ak4117.c
new file mode 100644
index 0000000000..640501bb3c
--- /dev/null
+++ b/sound/i2c/other/ak4117.c
@@ -0,0 +1,533 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
+/*
+ * Routines for control of the AK4117 via 4-wire serial interface
+ * IEC958 (S/PDIF) receiver by Asahi Kasei
+ * Copyright (c) by Jaroslav Kysela <perex@perex.cz>
+ */
+
+#include <linux/slab.h>
+#include <linux/delay.h>
+#include <linux/module.h>
+#include <sound/core.h>
+#include <sound/control.h>
+#include <sound/pcm.h>
+#include <sound/ak4117.h>
+#include <sound/asoundef.h>
+
+MODULE_AUTHOR("Jaroslav Kysela <perex@perex.cz>");
+MODULE_DESCRIPTION("AK4117 IEC958 (S/PDIF) receiver by Asahi Kasei");
+MODULE_LICENSE("GPL");
+
+#define AK4117_ADDR 0x00 /* fixed address */
+
+static void snd_ak4117_timer(struct timer_list *t);
+
+static void reg_write(struct ak4117 *ak4117, unsigned char reg, unsigned char val)
+{
+ ak4117->write(ak4117->private_data, reg, val);
+ if (reg < sizeof(ak4117->regmap))
+ ak4117->regmap[reg] = val;
+}
+
+static inline unsigned char reg_read(struct ak4117 *ak4117, unsigned char reg)
+{
+ return ak4117->read(ak4117->private_data, reg);
+}
+
+#if 0
+static void reg_dump(struct ak4117 *ak4117)
+{
+ int i;
+
+ printk(KERN_DEBUG "AK4117 REG DUMP:\n");
+ for (i = 0; i < 0x1b; i++)
+ printk(KERN_DEBUG "reg[%02x] = %02x (%02x)\n", i, reg_read(ak4117, i), i < sizeof(ak4117->regmap) ? ak4117->regmap[i] : 0);
+}
+#endif
+
+static void snd_ak4117_free(struct ak4117 *chip)
+{
+ timer_shutdown_sync(&chip->timer);
+ kfree(chip);
+}
+
+static int snd_ak4117_dev_free(struct snd_device *device)
+{
+ struct ak4117 *chip = device->device_data;
+ snd_ak4117_free(chip);
+ return 0;
+}
+
+int snd_ak4117_create(struct snd_card *card, ak4117_read_t *read, ak4117_write_t *write,
+ const unsigned char pgm[5], void *private_data, struct ak4117 **r_ak4117)
+{
+ struct ak4117 *chip;
+ int err = 0;
+ unsigned char reg;
+ static const struct snd_device_ops ops = {
+ .dev_free = snd_ak4117_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;
+ timer_setup(&chip->timer, snd_ak4117_timer, 0);
+
+ for (reg = 0; reg < 5; reg++)
+ chip->regmap[reg] = pgm[reg];
+ snd_ak4117_reinit(chip);
+
+ chip->rcs0 = reg_read(chip, AK4117_REG_RCS0) & ~(AK4117_QINT | AK4117_CINT | AK4117_STC);
+ chip->rcs1 = reg_read(chip, AK4117_REG_RCS1);
+ chip->rcs2 = reg_read(chip, AK4117_REG_RCS2);
+
+ err = snd_device_new(card, SNDRV_DEV_CODEC, chip, &ops);
+ if (err < 0)
+ goto __fail;
+
+ if (r_ak4117)
+ *r_ak4117 = chip;
+ return 0;
+
+ __fail:
+ snd_ak4117_free(chip);
+ return err;
+}
+
+void snd_ak4117_reg_write(struct ak4117 *chip, unsigned char reg, unsigned char mask, unsigned char val)
+{
+ if (reg >= 5)
+ return;
+ reg_write(chip, reg, (chip->regmap[reg] & ~mask) | val);
+}
+
+void snd_ak4117_reinit(struct ak4117 *chip)
+{
+ unsigned char old = chip->regmap[AK4117_REG_PWRDN], reg;
+
+ del_timer(&chip->timer);
+ chip->init = 1;
+ /* bring the chip to reset state and powerdown state */
+ reg_write(chip, AK4117_REG_PWRDN, 0);
+ udelay(200);
+ /* release reset, but leave powerdown */
+ reg_write(chip, AK4117_REG_PWRDN, (old | AK4117_RST) & ~AK4117_PWN);
+ udelay(200);
+ for (reg = 1; reg < 5; reg++)
+ reg_write(chip, reg, chip->regmap[reg]);
+ /* release powerdown, everything is initialized now */
+ reg_write(chip, AK4117_REG_PWRDN, old | AK4117_RST | AK4117_PWN);
+ chip->init = 0;
+ mod_timer(&chip->timer, 1 + jiffies);
+}
+
+static unsigned int external_rate(unsigned char rcs1)
+{
+ switch (rcs1 & (AK4117_FS0|AK4117_FS1|AK4117_FS2|AK4117_FS3)) {
+ case AK4117_FS_32000HZ: return 32000;
+ case AK4117_FS_44100HZ: return 44100;
+ case AK4117_FS_48000HZ: return 48000;
+ case AK4117_FS_88200HZ: return 88200;
+ case AK4117_FS_96000HZ: return 96000;
+ case AK4117_FS_176400HZ: return 176400;
+ case AK4117_FS_192000HZ: return 192000;
+ default: return 0;
+ }
+}
+
+static int snd_ak4117_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_ak4117_in_error_get(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_value *ucontrol)
+{
+ struct ak4117 *chip = snd_kcontrol_chip(kcontrol);
+
+ spin_lock_irq(&chip->lock);
+ ucontrol->value.integer.value[0] =
+ chip->errors[kcontrol->private_value];
+ chip->errors[kcontrol->private_value] = 0;
+ spin_unlock_irq(&chip->lock);
+ return 0;
+}
+
+#define snd_ak4117_in_bit_info snd_ctl_boolean_mono_info
+
+static int snd_ak4117_in_bit_get(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_value *ucontrol)
+{
+ struct ak4117 *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_ak4117_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 = 1;
+ return 0;
+}
+
+static int snd_ak4117_rx_get(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_value *ucontrol)
+{
+ struct ak4117 *chip = snd_kcontrol_chip(kcontrol);
+
+ ucontrol->value.integer.value[0] = (chip->regmap[AK4117_REG_IO] & AK4117_IPS) ? 1 : 0;
+ return 0;
+}
+
+static int snd_ak4117_rx_put(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_value *ucontrol)
+{
+ struct ak4117 *chip = snd_kcontrol_chip(kcontrol);
+ int change;
+ u8 old_val;
+
+ spin_lock_irq(&chip->lock);
+ old_val = chip->regmap[AK4117_REG_IO];
+ change = !!ucontrol->value.integer.value[0] != ((old_val & AK4117_IPS) ? 1 : 0);
+ if (change)
+ reg_write(chip, AK4117_REG_IO, (old_val & ~AK4117_IPS) | (ucontrol->value.integer.value[0] ? AK4117_IPS : 0));
+ spin_unlock_irq(&chip->lock);
+ return change;
+}
+
+static int snd_ak4117_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_ak4117_rate_get(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_value *ucontrol)
+{
+ struct ak4117 *chip = snd_kcontrol_chip(kcontrol);
+
+ ucontrol->value.integer.value[0] = external_rate(reg_read(chip, AK4117_REG_RCS1));
+ return 0;
+}
+
+static int snd_ak4117_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_ak4117_spdif_get(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_value *ucontrol)
+{
+ struct ak4117 *chip = snd_kcontrol_chip(kcontrol);
+ unsigned i;
+
+ for (i = 0; i < AK4117_REG_RXCSB_SIZE; i++)
+ ucontrol->value.iec958.status[i] = reg_read(chip, AK4117_REG_RXCSB0 + i);
+ return 0;
+}
+
+static int snd_ak4117_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_ak4117_spdif_mask_get(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_value *ucontrol)
+{
+ memset(ucontrol->value.iec958.status, 0xff, AK4117_REG_RXCSB_SIZE);
+ return 0;
+}
+
+static int snd_ak4117_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_ak4117_spdif_pget(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_value *ucontrol)
+{
+ struct ak4117 *chip = snd_kcontrol_chip(kcontrol);
+ unsigned short tmp;
+
+ ucontrol->value.integer.value[0] = 0xf8f2;
+ ucontrol->value.integer.value[1] = 0x4e1f;
+ tmp = reg_read(chip, AK4117_REG_Pc0) | (reg_read(chip, AK4117_REG_Pc1) << 8);
+ ucontrol->value.integer.value[2] = tmp;
+ tmp = reg_read(chip, AK4117_REG_Pd0) | (reg_read(chip, AK4117_REG_Pd1) << 8);
+ ucontrol->value.integer.value[3] = tmp;
+ return 0;
+}
+
+static int snd_ak4117_spdif_qinfo(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
+{
+ uinfo->type = SNDRV_CTL_ELEM_TYPE_BYTES;
+ uinfo->count = AK4117_REG_QSUB_SIZE;
+ return 0;
+}
+
+static int snd_ak4117_spdif_qget(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_value *ucontrol)
+{
+ struct ak4117 *chip = snd_kcontrol_chip(kcontrol);
+ unsigned i;
+
+ for (i = 0; i < AK4117_REG_QSUB_SIZE; i++)
+ ucontrol->value.bytes.data[i] = reg_read(chip, AK4117_REG_QSUB_ADDR + i);
+ return 0;
+}
+
+/* Don't forget to change AK4117_CONTROLS define!!! */
+static const struct snd_kcontrol_new snd_ak4117_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_ak4117_in_error_info,
+ .get = snd_ak4117_in_error_get,
+ .private_value = AK4117_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_ak4117_in_error_info,
+ .get = snd_ak4117_in_error_get,
+ .private_value = AK4117_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_ak4117_in_error_info,
+ .get = snd_ak4117_in_error_get,
+ .private_value = AK4117_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_ak4117_in_error_info,
+ .get = snd_ak4117_in_error_get,
+ .private_value = AK4117_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_ak4117_rate_info,
+ .get = snd_ak4117_rate_get,
+},
+{
+ .iface = SNDRV_CTL_ELEM_IFACE_PCM,
+ .name = SNDRV_CTL_NAME_IEC958("",CAPTURE,MASK),
+ .access = SNDRV_CTL_ELEM_ACCESS_READ,
+ .info = snd_ak4117_spdif_mask_info,
+ .get = snd_ak4117_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_ak4117_spdif_info,
+ .get = snd_ak4117_spdif_get,
+},
+{
+ .iface = SNDRV_CTL_ELEM_IFACE_PCM,
+ .name = "IEC958 Preamble Capture Default",
+ .access = SNDRV_CTL_ELEM_ACCESS_READ | SNDRV_CTL_ELEM_ACCESS_VOLATILE,
+ .info = snd_ak4117_spdif_pinfo,
+ .get = snd_ak4117_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_ak4117_spdif_qinfo,
+ .get = snd_ak4117_spdif_qget,
+},
+{
+ .iface = SNDRV_CTL_ELEM_IFACE_PCM,
+ .name = "IEC958 Audio",
+ .access = SNDRV_CTL_ELEM_ACCESS_READ | SNDRV_CTL_ELEM_ACCESS_VOLATILE,
+ .info = snd_ak4117_in_bit_info,
+ .get = snd_ak4117_in_bit_get,
+ .private_value = (1<<31) | (3<<8) | AK4117_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_ak4117_in_bit_info,
+ .get = snd_ak4117_in_bit_get,
+ .private_value = (5<<8) | AK4117_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_ak4117_in_bit_info,
+ .get = snd_ak4117_in_bit_get,
+ .private_value = (6<<8) | AK4117_REG_RCS1,
+},
+{
+ .iface = SNDRV_CTL_ELEM_IFACE_PCM,
+ .name = "AK4117 Input Select",
+ .access = SNDRV_CTL_ELEM_ACCESS_READ | SNDRV_CTL_ELEM_ACCESS_WRITE,
+ .info = snd_ak4117_rx_info,
+ .get = snd_ak4117_rx_get,
+ .put = snd_ak4117_rx_put,
+}
+};
+
+int snd_ak4117_build(struct ak4117 *ak4117, struct snd_pcm_substream *cap_substream)
+{
+ struct snd_kcontrol *kctl;
+ unsigned int idx;
+ int err;
+
+ if (snd_BUG_ON(!cap_substream))
+ return -EINVAL;
+ ak4117->substream = cap_substream;
+ for (idx = 0; idx < AK4117_CONTROLS; idx++) {
+ kctl = snd_ctl_new1(&snd_ak4117_iec958_controls[idx], ak4117);
+ if (kctl == NULL)
+ return -ENOMEM;
+ kctl->id.device = cap_substream->pcm->device;
+ kctl->id.subdevice = cap_substream->number;
+ err = snd_ctl_add(ak4117->card, kctl);
+ if (err < 0)
+ return err;
+ ak4117->kctls[idx] = kctl;
+ }
+ return 0;
+}
+
+int snd_ak4117_external_rate(struct ak4117 *ak4117)
+{
+ unsigned char rcs1;
+
+ rcs1 = reg_read(ak4117, AK4117_REG_RCS1);
+ return external_rate(rcs1);
+}
+
+int snd_ak4117_check_rate_and_errors(struct ak4117 *ak4117, unsigned int flags)
+{
+ struct snd_pcm_runtime *runtime = ak4117->substream ? ak4117->substream->runtime : NULL;
+ unsigned long _flags;
+ int res = 0;
+ unsigned char rcs0, rcs1, rcs2;
+ unsigned char c0, c1;
+
+ rcs1 = reg_read(ak4117, AK4117_REG_RCS1);
+ if (flags & AK4117_CHECK_NO_STAT)
+ goto __rate;
+ rcs0 = reg_read(ak4117, AK4117_REG_RCS0);
+ rcs2 = reg_read(ak4117, AK4117_REG_RCS2);
+ // printk(KERN_DEBUG "AK IRQ: rcs0 = 0x%x, rcs1 = 0x%x, rcs2 = 0x%x\n", rcs0, rcs1, rcs2);
+ spin_lock_irqsave(&ak4117->lock, _flags);
+ if (rcs0 & AK4117_PAR)
+ ak4117->errors[AK4117_PARITY_ERRORS]++;
+ if (rcs0 & AK4117_V)
+ ak4117->errors[AK4117_V_BIT_ERRORS]++;
+ if (rcs2 & AK4117_CCRC)
+ ak4117->errors[AK4117_CCRC_ERRORS]++;
+ if (rcs2 & AK4117_QCRC)
+ ak4117->errors[AK4117_QCRC_ERRORS]++;
+ c0 = (ak4117->rcs0 & (AK4117_QINT | AK4117_CINT | AK4117_STC | AK4117_AUDION | AK4117_AUTO | AK4117_UNLCK)) ^
+ (rcs0 & (AK4117_QINT | AK4117_CINT | AK4117_STC | AK4117_AUDION | AK4117_AUTO | AK4117_UNLCK));
+ c1 = (ak4117->rcs1 & (AK4117_DTSCD | AK4117_NPCM | AK4117_PEM | 0x0f)) ^
+ (rcs1 & (AK4117_DTSCD | AK4117_NPCM | AK4117_PEM | 0x0f));
+ ak4117->rcs0 = rcs0 & ~(AK4117_QINT | AK4117_CINT | AK4117_STC);
+ ak4117->rcs1 = rcs1;
+ ak4117->rcs2 = rcs2;
+ spin_unlock_irqrestore(&ak4117->lock, _flags);
+
+ if (rcs0 & AK4117_PAR)
+ snd_ctl_notify(ak4117->card, SNDRV_CTL_EVENT_MASK_VALUE, &ak4117->kctls[0]->id);
+ if (rcs0 & AK4117_V)
+ snd_ctl_notify(ak4117->card, SNDRV_CTL_EVENT_MASK_VALUE, &ak4117->kctls[1]->id);
+ if (rcs2 & AK4117_CCRC)
+ snd_ctl_notify(ak4117->card, SNDRV_CTL_EVENT_MASK_VALUE, &ak4117->kctls[2]->id);
+ if (rcs2 & AK4117_QCRC)
+ snd_ctl_notify(ak4117->card, SNDRV_CTL_EVENT_MASK_VALUE, &ak4117->kctls[3]->id);
+
+ /* rate change */
+ if (c1 & 0x0f)
+ snd_ctl_notify(ak4117->card, SNDRV_CTL_EVENT_MASK_VALUE, &ak4117->kctls[4]->id);
+
+ if ((c1 & AK4117_PEM) | (c0 & AK4117_CINT))
+ snd_ctl_notify(ak4117->card, SNDRV_CTL_EVENT_MASK_VALUE, &ak4117->kctls[6]->id);
+ if (c0 & AK4117_QINT)
+ snd_ctl_notify(ak4117->card, SNDRV_CTL_EVENT_MASK_VALUE, &ak4117->kctls[8]->id);
+
+ if (c0 & AK4117_AUDION)
+ snd_ctl_notify(ak4117->card, SNDRV_CTL_EVENT_MASK_VALUE, &ak4117->kctls[9]->id);
+ if (c1 & AK4117_NPCM)
+ snd_ctl_notify(ak4117->card, SNDRV_CTL_EVENT_MASK_VALUE, &ak4117->kctls[10]->id);
+ if (c1 & AK4117_DTSCD)
+ snd_ctl_notify(ak4117->card, SNDRV_CTL_EVENT_MASK_VALUE, &ak4117->kctls[11]->id);
+
+ if (ak4117->change_callback && (c0 | c1) != 0)
+ ak4117->change_callback(ak4117, c0, c1);
+
+ __rate:
+ /* compare rate */
+ res = external_rate(rcs1);
+ if (!(flags & AK4117_CHECK_NO_RATE) && runtime && runtime->rate != res) {
+ snd_pcm_stream_lock_irqsave(ak4117->substream, _flags);
+ if (snd_pcm_running(ak4117->substream)) {
+ // printk(KERN_DEBUG "rate changed (%i <- %i)\n", runtime->rate, res);
+ snd_pcm_stop(ak4117->substream, SNDRV_PCM_STATE_DRAINING);
+ wake_up(&runtime->sleep);
+ res = 1;
+ }
+ snd_pcm_stream_unlock_irqrestore(ak4117->substream, _flags);
+ }
+ return res;
+}
+
+static void snd_ak4117_timer(struct timer_list *t)
+{
+ struct ak4117 *chip = from_timer(chip, t, timer);
+
+ if (chip->init)
+ return;
+ snd_ak4117_check_rate_and_errors(chip, 0);
+ mod_timer(&chip->timer, 1 + jiffies);
+}
+
+EXPORT_SYMBOL(snd_ak4117_create);
+EXPORT_SYMBOL(snd_ak4117_reg_write);
+EXPORT_SYMBOL(snd_ak4117_reinit);
+EXPORT_SYMBOL(snd_ak4117_build);
+EXPORT_SYMBOL(snd_ak4117_external_rate);
+EXPORT_SYMBOL(snd_ak4117_check_rate_and_errors);
diff --git a/sound/i2c/other/ak4xxx-adda.c b/sound/i2c/other/ak4xxx-adda.c
new file mode 100644
index 0000000000..7d15093844
--- /dev/null
+++ b/sound/i2c/other/ak4xxx-adda.c
@@ -0,0 +1,894 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
+/*
+ * ALSA driver for AK4524 / AK4528 / AK4529 / AK4355 / AK4358 / AK4381
+ * AD and DA converters
+ *
+ * Copyright (c) 2000-2004 Jaroslav Kysela <perex@perex.cz>,
+ * Takashi Iwai <tiwai@suse.de>
+ */
+
+#include <linux/io.h>
+#include <linux/delay.h>
+#include <linux/interrupt.h>
+#include <linux/init.h>
+#include <linux/module.h>
+#include <sound/core.h>
+#include <sound/control.h>
+#include <sound/tlv.h>
+#include <sound/ak4xxx-adda.h>
+#include <sound/info.h>
+
+MODULE_AUTHOR("Jaroslav Kysela <perex@perex.cz>, Takashi Iwai <tiwai@suse.de>");
+MODULE_DESCRIPTION("Routines for control of AK452x / AK43xx AD/DA converters");
+MODULE_LICENSE("GPL");
+
+/* write the given register and save the data to the cache */
+void snd_akm4xxx_write(struct snd_akm4xxx *ak, int chip, unsigned char reg,
+ unsigned char val)
+{
+ ak->ops.lock(ak, chip);
+ ak->ops.write(ak, chip, reg, val);
+
+ /* save the data */
+ snd_akm4xxx_set(ak, chip, reg, val);
+ ak->ops.unlock(ak, chip);
+}
+
+EXPORT_SYMBOL(snd_akm4xxx_write);
+
+/* reset procedure for AK4524 and AK4528 */
+static void ak4524_reset(struct snd_akm4xxx *ak, int state)
+{
+ unsigned int chip;
+ unsigned char reg;
+
+ for (chip = 0; chip < ak->num_dacs/2; chip++) {
+ snd_akm4xxx_write(ak, chip, 0x01, state ? 0x00 : 0x03);
+ if (state)
+ continue;
+ /* DAC volumes */
+ for (reg = 0x04; reg < ak->total_regs; reg++)
+ snd_akm4xxx_write(ak, chip, reg,
+ snd_akm4xxx_get(ak, chip, reg));
+ }
+}
+
+/* reset procedure for AK4355 and AK4358 */
+static void ak435X_reset(struct snd_akm4xxx *ak, int state)
+{
+ unsigned char reg;
+
+ if (state) {
+ snd_akm4xxx_write(ak, 0, 0x01, 0x02); /* reset and soft-mute */
+ return;
+ }
+ for (reg = 0x00; reg < ak->total_regs; reg++)
+ if (reg != 0x01)
+ snd_akm4xxx_write(ak, 0, reg,
+ snd_akm4xxx_get(ak, 0, reg));
+ snd_akm4xxx_write(ak, 0, 0x01, 0x01); /* un-reset, unmute */
+}
+
+/* reset procedure for AK4381 */
+static void ak4381_reset(struct snd_akm4xxx *ak, int state)
+{
+ unsigned int chip;
+ unsigned char reg;
+ for (chip = 0; chip < ak->num_dacs/2; chip++) {
+ snd_akm4xxx_write(ak, chip, 0x00, state ? 0x0c : 0x0f);
+ if (state)
+ continue;
+ for (reg = 0x01; reg < ak->total_regs; reg++)
+ snd_akm4xxx_write(ak, chip, reg,
+ snd_akm4xxx_get(ak, chip, reg));
+ }
+}
+
+/*
+ * reset the AKM codecs
+ * @state: 1 = reset codec, 0 = restore the registers
+ *
+ * assert the reset operation and restores the register values to the chips.
+ */
+void snd_akm4xxx_reset(struct snd_akm4xxx *ak, int state)
+{
+ switch (ak->type) {
+ case SND_AK4524:
+ case SND_AK4528:
+ case SND_AK4620:
+ ak4524_reset(ak, state);
+ break;
+ case SND_AK4529:
+ /* FIXME: needed for ak4529? */
+ break;
+ case SND_AK4355:
+ ak435X_reset(ak, state);
+ break;
+ case SND_AK4358:
+ ak435X_reset(ak, state);
+ break;
+ case SND_AK4381:
+ ak4381_reset(ak, state);
+ break;
+ default:
+ break;
+ }
+}
+
+EXPORT_SYMBOL(snd_akm4xxx_reset);
+
+
+/*
+ * Volume conversion table for non-linear volumes
+ * from -63.5dB (mute) to 0dB step 0.5dB
+ *
+ * Used for AK4524/AK4620 input/ouput attenuation, AK4528, and
+ * AK5365 input attenuation
+ */
+static const unsigned char vol_cvt_datt[128] = {
+ 0x00, 0x01, 0x01, 0x02, 0x02, 0x03, 0x03, 0x04,
+ 0x04, 0x04, 0x04, 0x05, 0x05, 0x05, 0x06, 0x06,
+ 0x06, 0x07, 0x07, 0x08, 0x08, 0x08, 0x09, 0x0a,
+ 0x0a, 0x0b, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f, 0x0f,
+ 0x10, 0x10, 0x11, 0x12, 0x12, 0x13, 0x13, 0x14,
+ 0x15, 0x16, 0x17, 0x17, 0x18, 0x19, 0x1a, 0x1c,
+ 0x1d, 0x1e, 0x1f, 0x20, 0x21, 0x22, 0x23, 0x23,
+ 0x24, 0x25, 0x26, 0x28, 0x29, 0x2a, 0x2b, 0x2d,
+ 0x2e, 0x30, 0x30, 0x31, 0x32, 0x33, 0x34, 0x35,
+ 0x37, 0x38, 0x39, 0x3b, 0x3c, 0x3e, 0x3f, 0x40,
+ 0x41, 0x42, 0x43, 0x44, 0x46, 0x47, 0x48, 0x4a,
+ 0x4b, 0x4d, 0x4e, 0x50, 0x51, 0x52, 0x53, 0x54,
+ 0x55, 0x56, 0x58, 0x59, 0x5b, 0x5c, 0x5e, 0x5f,
+ 0x60, 0x61, 0x62, 0x64, 0x65, 0x66, 0x67, 0x69,
+ 0x6a, 0x6c, 0x6d, 0x6f, 0x70, 0x71, 0x72, 0x73,
+ 0x75, 0x76, 0x77, 0x79, 0x7a, 0x7c, 0x7d, 0x7f,
+};
+
+/*
+ * dB tables
+ */
+static const DECLARE_TLV_DB_SCALE(db_scale_vol_datt, -6350, 50, 1);
+static const DECLARE_TLV_DB_SCALE(db_scale_8bit, -12750, 50, 1);
+static const DECLARE_TLV_DB_SCALE(db_scale_7bit, -6350, 50, 1);
+static const DECLARE_TLV_DB_LINEAR(db_scale_linear, TLV_DB_GAIN_MUTE, 0);
+
+/*
+ * initialize all the ak4xxx chips
+ */
+void snd_akm4xxx_init(struct snd_akm4xxx *ak)
+{
+ static const unsigned char inits_ak4524[] = {
+ 0x00, 0x07, /* 0: all power up */
+ 0x01, 0x00, /* 1: ADC/DAC reset */
+ 0x02, 0x60, /* 2: 24bit I2S */
+ 0x03, 0x19, /* 3: deemphasis off */
+ 0x01, 0x03, /* 1: ADC/DAC enable */
+ 0x04, 0x00, /* 4: ADC left muted */
+ 0x05, 0x00, /* 5: ADC right muted */
+ 0x06, 0x00, /* 6: DAC left muted */
+ 0x07, 0x00, /* 7: DAC right muted */
+ 0xff, 0xff
+ };
+ static const unsigned char inits_ak4528[] = {
+ 0x00, 0x07, /* 0: all power up */
+ 0x01, 0x00, /* 1: ADC/DAC reset */
+ 0x02, 0x60, /* 2: 24bit I2S */
+ 0x03, 0x0d, /* 3: deemphasis off, turn LR highpass filters on */
+ 0x01, 0x03, /* 1: ADC/DAC enable */
+ 0x04, 0x00, /* 4: ADC left muted */
+ 0x05, 0x00, /* 5: ADC right muted */
+ 0xff, 0xff
+ };
+ static const unsigned char inits_ak4529[] = {
+ 0x09, 0x01, /* 9: ATS=0, RSTN=1 */
+ 0x0a, 0x3f, /* A: all power up, no zero/overflow detection */
+ 0x00, 0x0c, /* 0: TDM=0, 24bit I2S, SMUTE=0 */
+ 0x01, 0x00, /* 1: ACKS=0, ADC, loop off */
+ 0x02, 0xff, /* 2: LOUT1 muted */
+ 0x03, 0xff, /* 3: ROUT1 muted */
+ 0x04, 0xff, /* 4: LOUT2 muted */
+ 0x05, 0xff, /* 5: ROUT2 muted */
+ 0x06, 0xff, /* 6: LOUT3 muted */
+ 0x07, 0xff, /* 7: ROUT3 muted */
+ 0x0b, 0xff, /* B: LOUT4 muted */
+ 0x0c, 0xff, /* C: ROUT4 muted */
+ 0x08, 0x55, /* 8: deemphasis all off */
+ 0xff, 0xff
+ };
+ static const unsigned char inits_ak4355[] = {
+ 0x01, 0x02, /* 1: reset and soft-mute */
+ 0x00, 0x06, /* 0: mode3(i2s), disable auto-clock detect,
+ * disable DZF, sharp roll-off, RSTN#=0 */
+ 0x02, 0x0e, /* 2: DA's power up, normal speed, RSTN#=0 */
+ // 0x02, 0x2e, /* quad speed */
+ 0x03, 0x01, /* 3: de-emphasis off */
+ 0x04, 0x00, /* 4: LOUT1 volume muted */
+ 0x05, 0x00, /* 5: ROUT1 volume muted */
+ 0x06, 0x00, /* 6: LOUT2 volume muted */
+ 0x07, 0x00, /* 7: ROUT2 volume muted */
+ 0x08, 0x00, /* 8: LOUT3 volume muted */
+ 0x09, 0x00, /* 9: ROUT3 volume muted */
+ 0x0a, 0x00, /* a: DATT speed=0, ignore DZF */
+ 0x01, 0x01, /* 1: un-reset, unmute */
+ 0xff, 0xff
+ };
+ static const unsigned char inits_ak4358[] = {
+ 0x01, 0x02, /* 1: reset and soft-mute */
+ 0x00, 0x06, /* 0: mode3(i2s), disable auto-clock detect,
+ * disable DZF, sharp roll-off, RSTN#=0 */
+ 0x02, 0x4e, /* 2: DA's power up, normal speed, RSTN#=0 */
+ /* 0x02, 0x6e,*/ /* quad speed */
+ 0x03, 0x01, /* 3: de-emphasis off */
+ 0x04, 0x00, /* 4: LOUT1 volume muted */
+ 0x05, 0x00, /* 5: ROUT1 volume muted */
+ 0x06, 0x00, /* 6: LOUT2 volume muted */
+ 0x07, 0x00, /* 7: ROUT2 volume muted */
+ 0x08, 0x00, /* 8: LOUT3 volume muted */
+ 0x09, 0x00, /* 9: ROUT3 volume muted */
+ 0x0b, 0x00, /* b: LOUT4 volume muted */
+ 0x0c, 0x00, /* c: ROUT4 volume muted */
+ 0x0a, 0x00, /* a: DATT speed=0, ignore DZF */
+ 0x01, 0x01, /* 1: un-reset, unmute */
+ 0xff, 0xff
+ };
+ static const unsigned char inits_ak4381[] = {
+ 0x00, 0x0c, /* 0: mode3(i2s), disable auto-clock detect */
+ 0x01, 0x02, /* 1: de-emphasis off, normal speed,
+ * sharp roll-off, DZF off */
+ // 0x01, 0x12, /* quad speed */
+ 0x02, 0x00, /* 2: DZF disabled */
+ 0x03, 0x00, /* 3: LATT 0 */
+ 0x04, 0x00, /* 4: RATT 0 */
+ 0x00, 0x0f, /* 0: power-up, un-reset */
+ 0xff, 0xff
+ };
+ static const unsigned char inits_ak4620[] = {
+ 0x00, 0x07, /* 0: normal */
+ 0x01, 0x00, /* 0: reset */
+ 0x01, 0x02, /* 1: RSTAD */
+ 0x01, 0x03, /* 1: RSTDA */
+ 0x01, 0x0f, /* 1: normal */
+ 0x02, 0x60, /* 2: 24bit I2S */
+ 0x03, 0x01, /* 3: deemphasis off */
+ 0x04, 0x00, /* 4: LIN muted */
+ 0x05, 0x00, /* 5: RIN muted */
+ 0x06, 0x00, /* 6: LOUT muted */
+ 0x07, 0x00, /* 7: ROUT muted */
+ 0xff, 0xff
+ };
+
+ int chip;
+ const unsigned char *ptr, *inits;
+ unsigned char reg, data;
+
+ memset(ak->images, 0, sizeof(ak->images));
+ memset(ak->volumes, 0, sizeof(ak->volumes));
+
+ switch (ak->type) {
+ case SND_AK4524:
+ inits = inits_ak4524;
+ ak->num_chips = ak->num_dacs / 2;
+ ak->name = "ak4524";
+ ak->total_regs = 0x08;
+ break;
+ case SND_AK4528:
+ inits = inits_ak4528;
+ ak->num_chips = ak->num_dacs / 2;
+ ak->name = "ak4528";
+ ak->total_regs = 0x06;
+ break;
+ case SND_AK4529:
+ inits = inits_ak4529;
+ ak->num_chips = 1;
+ ak->name = "ak4529";
+ ak->total_regs = 0x0d;
+ break;
+ case SND_AK4355:
+ inits = inits_ak4355;
+ ak->num_chips = 1;
+ ak->name = "ak4355";
+ ak->total_regs = 0x0b;
+ break;
+ case SND_AK4358:
+ inits = inits_ak4358;
+ ak->num_chips = 1;
+ ak->name = "ak4358";
+ ak->total_regs = 0x10;
+ break;
+ case SND_AK4381:
+ inits = inits_ak4381;
+ ak->num_chips = ak->num_dacs / 2;
+ ak->name = "ak4381";
+ ak->total_regs = 0x05;
+ break;
+ case SND_AK5365:
+ /* FIXME: any init sequence? */
+ ak->num_chips = 1;
+ ak->name = "ak5365";
+ ak->total_regs = 0x08;
+ return;
+ case SND_AK4620:
+ inits = inits_ak4620;
+ ak->num_chips = ak->num_dacs / 2;
+ ak->name = "ak4620";
+ ak->total_regs = 0x08;
+ break;
+ default:
+ snd_BUG();
+ return;
+ }
+
+ for (chip = 0; chip < ak->num_chips; chip++) {
+ ptr = inits;
+ while (*ptr != 0xff) {
+ reg = *ptr++;
+ data = *ptr++;
+ snd_akm4xxx_write(ak, chip, reg, data);
+ udelay(10);
+ }
+ }
+}
+
+EXPORT_SYMBOL(snd_akm4xxx_init);
+
+/*
+ * Mixer callbacks
+ */
+#define AK_IPGA (1<<20) /* including IPGA */
+#define AK_VOL_CVT (1<<21) /* need dB conversion */
+#define AK_NEEDSMSB (1<<22) /* need MSB update bit */
+#define AK_INVERT (1<<23) /* data is inverted */
+#define AK_GET_CHIP(val) (((val) >> 8) & 0xff)
+#define AK_GET_ADDR(val) ((val) & 0xff)
+#define AK_GET_SHIFT(val) (((val) >> 16) & 0x0f)
+#define AK_GET_VOL_CVT(val) (((val) >> 21) & 1)
+#define AK_GET_IPGA(val) (((val) >> 20) & 1)
+#define AK_GET_NEEDSMSB(val) (((val) >> 22) & 1)
+#define AK_GET_INVERT(val) (((val) >> 23) & 1)
+#define AK_GET_MASK(val) (((val) >> 24) & 0xff)
+#define AK_COMPOSE(chip,addr,shift,mask) \
+ (((chip) << 8) | (addr) | ((shift) << 16) | ((mask) << 24))
+
+static int snd_akm4xxx_volume_info(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_info *uinfo)
+{
+ unsigned int mask = AK_GET_MASK(kcontrol->private_value);
+
+ uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
+ uinfo->count = 1;
+ uinfo->value.integer.min = 0;
+ uinfo->value.integer.max = mask;
+ return 0;
+}
+
+static int snd_akm4xxx_volume_get(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_value *ucontrol)
+{
+ struct snd_akm4xxx *ak = snd_kcontrol_chip(kcontrol);
+ int chip = AK_GET_CHIP(kcontrol->private_value);
+ int addr = AK_GET_ADDR(kcontrol->private_value);
+
+ ucontrol->value.integer.value[0] = snd_akm4xxx_get_vol(ak, chip, addr);
+ return 0;
+}
+
+static int put_ak_reg(struct snd_kcontrol *kcontrol, int addr,
+ unsigned char nval)
+{
+ struct snd_akm4xxx *ak = snd_kcontrol_chip(kcontrol);
+ unsigned int mask = AK_GET_MASK(kcontrol->private_value);
+ int chip = AK_GET_CHIP(kcontrol->private_value);
+
+ if (snd_akm4xxx_get_vol(ak, chip, addr) == nval)
+ return 0;
+
+ snd_akm4xxx_set_vol(ak, chip, addr, nval);
+ if (AK_GET_VOL_CVT(kcontrol->private_value) && nval < 128)
+ nval = vol_cvt_datt[nval];
+ if (AK_GET_IPGA(kcontrol->private_value) && nval >= 128)
+ nval++; /* need to correct + 1 since both 127 and 128 are 0dB */
+ if (AK_GET_INVERT(kcontrol->private_value))
+ nval = mask - nval;
+ if (AK_GET_NEEDSMSB(kcontrol->private_value))
+ nval |= 0x80;
+ /* printk(KERN_DEBUG "DEBUG - AK writing reg: chip %x addr %x,
+ nval %x\n", chip, addr, nval); */
+ snd_akm4xxx_write(ak, chip, addr, nval);
+ return 1;
+}
+
+static int snd_akm4xxx_volume_put(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_value *ucontrol)
+{
+ unsigned int mask = AK_GET_MASK(kcontrol->private_value);
+ unsigned int val = ucontrol->value.integer.value[0];
+ if (val > mask)
+ return -EINVAL;
+ return put_ak_reg(kcontrol, AK_GET_ADDR(kcontrol->private_value), val);
+}
+
+static int snd_akm4xxx_stereo_volume_info(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_info *uinfo)
+{
+ unsigned int mask = AK_GET_MASK(kcontrol->private_value);
+
+ uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
+ uinfo->count = 2;
+ uinfo->value.integer.min = 0;
+ uinfo->value.integer.max = mask;
+ return 0;
+}
+
+static int snd_akm4xxx_stereo_volume_get(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_value *ucontrol)
+{
+ struct snd_akm4xxx *ak = snd_kcontrol_chip(kcontrol);
+ int chip = AK_GET_CHIP(kcontrol->private_value);
+ int addr = AK_GET_ADDR(kcontrol->private_value);
+
+ ucontrol->value.integer.value[0] = snd_akm4xxx_get_vol(ak, chip, addr);
+ ucontrol->value.integer.value[1] = snd_akm4xxx_get_vol(ak, chip, addr+1);
+ return 0;
+}
+
+static int snd_akm4xxx_stereo_volume_put(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_value *ucontrol)
+{
+ int addr = AK_GET_ADDR(kcontrol->private_value);
+ unsigned int mask = AK_GET_MASK(kcontrol->private_value);
+ unsigned int val[2];
+ int change;
+
+ val[0] = ucontrol->value.integer.value[0];
+ val[1] = ucontrol->value.integer.value[1];
+ if (val[0] > mask || val[1] > mask)
+ return -EINVAL;
+ change = put_ak_reg(kcontrol, addr, val[0]);
+ change |= put_ak_reg(kcontrol, addr + 1, val[1]);
+ return change;
+}
+
+static int snd_akm4xxx_deemphasis_info(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_info *uinfo)
+{
+ static const char * const texts[4] = {
+ "44.1kHz", "Off", "48kHz", "32kHz",
+ };
+ return snd_ctl_enum_info(uinfo, 1, 4, texts);
+}
+
+static int snd_akm4xxx_deemphasis_get(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_value *ucontrol)
+{
+ struct snd_akm4xxx *ak = snd_kcontrol_chip(kcontrol);
+ int chip = AK_GET_CHIP(kcontrol->private_value);
+ int addr = AK_GET_ADDR(kcontrol->private_value);
+ int shift = AK_GET_SHIFT(kcontrol->private_value);
+ ucontrol->value.enumerated.item[0] =
+ (snd_akm4xxx_get(ak, chip, addr) >> shift) & 3;
+ return 0;
+}
+
+static int snd_akm4xxx_deemphasis_put(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_value *ucontrol)
+{
+ struct snd_akm4xxx *ak = snd_kcontrol_chip(kcontrol);
+ int chip = AK_GET_CHIP(kcontrol->private_value);
+ int addr = AK_GET_ADDR(kcontrol->private_value);
+ int shift = AK_GET_SHIFT(kcontrol->private_value);
+ unsigned char nval = ucontrol->value.enumerated.item[0] & 3;
+ int change;
+
+ nval = (nval << shift) |
+ (snd_akm4xxx_get(ak, chip, addr) & ~(3 << shift));
+ change = snd_akm4xxx_get(ak, chip, addr) != nval;
+ if (change)
+ snd_akm4xxx_write(ak, chip, addr, nval);
+ return change;
+}
+
+#define ak4xxx_switch_info snd_ctl_boolean_mono_info
+
+static int ak4xxx_switch_get(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_value *ucontrol)
+{
+ struct snd_akm4xxx *ak = snd_kcontrol_chip(kcontrol);
+ int chip = AK_GET_CHIP(kcontrol->private_value);
+ int addr = AK_GET_ADDR(kcontrol->private_value);
+ int shift = AK_GET_SHIFT(kcontrol->private_value);
+ int invert = AK_GET_INVERT(kcontrol->private_value);
+ /* we observe the (1<<shift) bit only */
+ unsigned char val = snd_akm4xxx_get(ak, chip, addr) & (1<<shift);
+ if (invert)
+ val = ! val;
+ ucontrol->value.integer.value[0] = (val & (1<<shift)) != 0;
+ return 0;
+}
+
+static int ak4xxx_switch_put(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_value *ucontrol)
+{
+ struct snd_akm4xxx *ak = snd_kcontrol_chip(kcontrol);
+ int chip = AK_GET_CHIP(kcontrol->private_value);
+ int addr = AK_GET_ADDR(kcontrol->private_value);
+ int shift = AK_GET_SHIFT(kcontrol->private_value);
+ int invert = AK_GET_INVERT(kcontrol->private_value);
+ long flag = ucontrol->value.integer.value[0];
+ unsigned char val, oval;
+ int change;
+
+ if (invert)
+ flag = ! flag;
+ oval = snd_akm4xxx_get(ak, chip, addr);
+ if (flag)
+ val = oval | (1<<shift);
+ else
+ val = oval & ~(1<<shift);
+ change = (oval != val);
+ if (change)
+ snd_akm4xxx_write(ak, chip, addr, val);
+ return change;
+}
+
+#define AK5365_NUM_INPUTS 5
+
+static int ak4xxx_capture_num_inputs(struct snd_akm4xxx *ak, int mixer_ch)
+{
+ int num_names;
+ const char **input_names;
+
+ input_names = ak->adc_info[mixer_ch].input_names;
+ num_names = 0;
+ while (num_names < AK5365_NUM_INPUTS && input_names[num_names])
+ ++num_names;
+ return num_names;
+}
+
+static int ak4xxx_capture_source_info(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_info *uinfo)
+{
+ struct snd_akm4xxx *ak = snd_kcontrol_chip(kcontrol);
+ int mixer_ch = AK_GET_SHIFT(kcontrol->private_value);
+ unsigned int num_names;
+
+ num_names = ak4xxx_capture_num_inputs(ak, mixer_ch);
+ if (!num_names)
+ return -EINVAL;
+ return snd_ctl_enum_info(uinfo, 1, num_names,
+ ak->adc_info[mixer_ch].input_names);
+}
+
+static int ak4xxx_capture_source_get(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_value *ucontrol)
+{
+ struct snd_akm4xxx *ak = snd_kcontrol_chip(kcontrol);
+ int chip = AK_GET_CHIP(kcontrol->private_value);
+ int addr = AK_GET_ADDR(kcontrol->private_value);
+ int mask = AK_GET_MASK(kcontrol->private_value);
+ unsigned char val;
+
+ val = snd_akm4xxx_get(ak, chip, addr) & mask;
+ ucontrol->value.enumerated.item[0] = val;
+ return 0;
+}
+
+static int ak4xxx_capture_source_put(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_value *ucontrol)
+{
+ struct snd_akm4xxx *ak = snd_kcontrol_chip(kcontrol);
+ int mixer_ch = AK_GET_SHIFT(kcontrol->private_value);
+ int chip = AK_GET_CHIP(kcontrol->private_value);
+ int addr = AK_GET_ADDR(kcontrol->private_value);
+ int mask = AK_GET_MASK(kcontrol->private_value);
+ unsigned char oval, val;
+ int num_names = ak4xxx_capture_num_inputs(ak, mixer_ch);
+
+ if (ucontrol->value.enumerated.item[0] >= num_names)
+ return -EINVAL;
+
+ oval = snd_akm4xxx_get(ak, chip, addr);
+ val = oval & ~mask;
+ val |= ucontrol->value.enumerated.item[0] & mask;
+ if (val != oval) {
+ snd_akm4xxx_write(ak, chip, addr, val);
+ return 1;
+ }
+ return 0;
+}
+
+/*
+ * build AK4xxx controls
+ */
+
+static int build_dac_controls(struct snd_akm4xxx *ak)
+{
+ int idx, err, mixer_ch, num_stereo;
+ struct snd_kcontrol_new knew;
+
+ mixer_ch = 0;
+ for (idx = 0; idx < ak->num_dacs; ) {
+ /* mute control for Revolution 7.1 - AK4381 */
+ if (ak->type == SND_AK4381
+ && ak->dac_info[mixer_ch].switch_name) {
+ memset(&knew, 0, sizeof(knew));
+ knew.iface = SNDRV_CTL_ELEM_IFACE_MIXER;
+ knew.count = 1;
+ knew.access = SNDRV_CTL_ELEM_ACCESS_READWRITE;
+ knew.name = ak->dac_info[mixer_ch].switch_name;
+ knew.info = ak4xxx_switch_info;
+ knew.get = ak4xxx_switch_get;
+ knew.put = ak4xxx_switch_put;
+ knew.access = 0;
+ /* register 1, bit 0 (SMUTE): 0 = normal operation,
+ 1 = mute */
+ knew.private_value =
+ AK_COMPOSE(idx/2, 1, 0, 0) | AK_INVERT;
+ err = snd_ctl_add(ak->card, snd_ctl_new1(&knew, ak));
+ if (err < 0)
+ return err;
+ }
+ memset(&knew, 0, sizeof(knew));
+ if (! ak->dac_info || ! ak->dac_info[mixer_ch].name) {
+ knew.name = "DAC Volume";
+ knew.index = mixer_ch + ak->idx_offset * 2;
+ num_stereo = 1;
+ } else {
+ knew.name = ak->dac_info[mixer_ch].name;
+ num_stereo = ak->dac_info[mixer_ch].num_channels;
+ }
+ knew.iface = SNDRV_CTL_ELEM_IFACE_MIXER;
+ knew.count = 1;
+ knew.access = SNDRV_CTL_ELEM_ACCESS_READWRITE |
+ SNDRV_CTL_ELEM_ACCESS_TLV_READ;
+ if (num_stereo == 2) {
+ knew.info = snd_akm4xxx_stereo_volume_info;
+ knew.get = snd_akm4xxx_stereo_volume_get;
+ knew.put = snd_akm4xxx_stereo_volume_put;
+ } else {
+ knew.info = snd_akm4xxx_volume_info;
+ knew.get = snd_akm4xxx_volume_get;
+ knew.put = snd_akm4xxx_volume_put;
+ }
+ switch (ak->type) {
+ case SND_AK4524:
+ /* register 6 & 7 */
+ knew.private_value =
+ AK_COMPOSE(idx/2, (idx%2) + 6, 0, 127) |
+ AK_VOL_CVT;
+ knew.tlv.p = db_scale_vol_datt;
+ break;
+ case SND_AK4528:
+ /* register 4 & 5 */
+ knew.private_value =
+ AK_COMPOSE(idx/2, (idx%2) + 4, 0, 127) |
+ AK_VOL_CVT;
+ knew.tlv.p = db_scale_vol_datt;
+ break;
+ case SND_AK4529: {
+ /* registers 2-7 and b,c */
+ int val = idx < 6 ? idx + 2 : (idx - 6) + 0xb;
+ knew.private_value =
+ AK_COMPOSE(0, val, 0, 255) | AK_INVERT;
+ knew.tlv.p = db_scale_8bit;
+ break;
+ }
+ case SND_AK4355:
+ /* register 4-9, chip #0 only */
+ knew.private_value = AK_COMPOSE(0, idx + 4, 0, 255);
+ knew.tlv.p = db_scale_8bit;
+ break;
+ case SND_AK4358: {
+ /* register 4-9 and 11-12, chip #0 only */
+ int addr = idx < 6 ? idx + 4 : idx + 5;
+ knew.private_value =
+ AK_COMPOSE(0, addr, 0, 127) | AK_NEEDSMSB;
+ knew.tlv.p = db_scale_7bit;
+ break;
+ }
+ case SND_AK4381:
+ /* register 3 & 4 */
+ knew.private_value =
+ AK_COMPOSE(idx/2, (idx%2) + 3, 0, 255);
+ knew.tlv.p = db_scale_linear;
+ break;
+ case SND_AK4620:
+ /* register 6 & 7 */
+ knew.private_value =
+ AK_COMPOSE(idx/2, (idx%2) + 6, 0, 255);
+ knew.tlv.p = db_scale_linear;
+ break;
+ default:
+ return -EINVAL;
+ }
+
+ err = snd_ctl_add(ak->card, snd_ctl_new1(&knew, ak));
+ if (err < 0)
+ return err;
+
+ idx += num_stereo;
+ mixer_ch++;
+ }
+ return 0;
+}
+
+static int build_adc_controls(struct snd_akm4xxx *ak)
+{
+ int idx, err, mixer_ch, num_stereo, max_steps;
+ struct snd_kcontrol_new knew;
+
+ mixer_ch = 0;
+ if (ak->type == SND_AK4528)
+ return 0; /* no controls */
+ for (idx = 0; idx < ak->num_adcs;) {
+ memset(&knew, 0, sizeof(knew));
+ if (! ak->adc_info || ! ak->adc_info[mixer_ch].name) {
+ knew.name = "ADC Volume";
+ knew.index = mixer_ch + ak->idx_offset * 2;
+ num_stereo = 1;
+ } else {
+ knew.name = ak->adc_info[mixer_ch].name;
+ num_stereo = ak->adc_info[mixer_ch].num_channels;
+ }
+ knew.iface = SNDRV_CTL_ELEM_IFACE_MIXER;
+ knew.count = 1;
+ knew.access = SNDRV_CTL_ELEM_ACCESS_READWRITE |
+ SNDRV_CTL_ELEM_ACCESS_TLV_READ;
+ if (num_stereo == 2) {
+ knew.info = snd_akm4xxx_stereo_volume_info;
+ knew.get = snd_akm4xxx_stereo_volume_get;
+ knew.put = snd_akm4xxx_stereo_volume_put;
+ } else {
+ knew.info = snd_akm4xxx_volume_info;
+ knew.get = snd_akm4xxx_volume_get;
+ knew.put = snd_akm4xxx_volume_put;
+ }
+ /* register 4 & 5 */
+ if (ak->type == SND_AK5365)
+ max_steps = 152;
+ else
+ max_steps = 164;
+ knew.private_value =
+ AK_COMPOSE(idx/2, (idx%2) + 4, 0, max_steps) |
+ AK_VOL_CVT | AK_IPGA;
+ knew.tlv.p = db_scale_vol_datt;
+ err = snd_ctl_add(ak->card, snd_ctl_new1(&knew, ak));
+ if (err < 0)
+ return err;
+
+ if (ak->type == SND_AK5365 && (idx % 2) == 0) {
+ if (! ak->adc_info ||
+ ! ak->adc_info[mixer_ch].switch_name) {
+ knew.name = "Capture Switch";
+ knew.index = mixer_ch + ak->idx_offset * 2;
+ } else
+ knew.name = ak->adc_info[mixer_ch].switch_name;
+ knew.info = ak4xxx_switch_info;
+ knew.get = ak4xxx_switch_get;
+ knew.put = ak4xxx_switch_put;
+ knew.access = 0;
+ /* register 2, bit 0 (SMUTE): 0 = normal operation,
+ 1 = mute */
+ knew.private_value =
+ AK_COMPOSE(idx/2, 2, 0, 0) | AK_INVERT;
+ err = snd_ctl_add(ak->card, snd_ctl_new1(&knew, ak));
+ if (err < 0)
+ return err;
+
+ memset(&knew, 0, sizeof(knew));
+ if (!ak->adc_info ||
+ !ak->adc_info[mixer_ch].selector_name) {
+ knew.name = "Capture Channel";
+ knew.index = mixer_ch + ak->idx_offset * 2;
+ } else
+ knew.name = ak->adc_info[mixer_ch].selector_name;
+
+ knew.iface = SNDRV_CTL_ELEM_IFACE_MIXER;
+ knew.info = ak4xxx_capture_source_info;
+ knew.get = ak4xxx_capture_source_get;
+ knew.put = ak4xxx_capture_source_put;
+ knew.access = 0;
+ /* input selector control: reg. 1, bits 0-2.
+ * mis-use 'shift' to pass mixer_ch */
+ knew.private_value
+ = AK_COMPOSE(idx/2, 1, mixer_ch, 0x07);
+ err = snd_ctl_add(ak->card, snd_ctl_new1(&knew, ak));
+ if (err < 0)
+ return err;
+ }
+
+ idx += num_stereo;
+ mixer_ch++;
+ }
+ return 0;
+}
+
+static int build_deemphasis(struct snd_akm4xxx *ak, int num_emphs)
+{
+ int idx, err;
+ struct snd_kcontrol_new knew;
+
+ for (idx = 0; idx < num_emphs; idx++) {
+ memset(&knew, 0, sizeof(knew));
+ knew.name = "Deemphasis";
+ knew.index = idx + ak->idx_offset;
+ knew.iface = SNDRV_CTL_ELEM_IFACE_MIXER;
+ knew.count = 1;
+ knew.info = snd_akm4xxx_deemphasis_info;
+ knew.get = snd_akm4xxx_deemphasis_get;
+ knew.put = snd_akm4xxx_deemphasis_put;
+ switch (ak->type) {
+ case SND_AK4524:
+ case SND_AK4528:
+ case SND_AK4620:
+ /* register 3 */
+ knew.private_value = AK_COMPOSE(idx, 3, 0, 0);
+ break;
+ case SND_AK4529: {
+ int shift = idx == 3 ? 6 : (2 - idx) * 2;
+ /* register 8 with shift */
+ knew.private_value = AK_COMPOSE(0, 8, shift, 0);
+ break;
+ }
+ case SND_AK4355:
+ case SND_AK4358:
+ knew.private_value = AK_COMPOSE(idx, 3, 0, 0);
+ break;
+ case SND_AK4381:
+ knew.private_value = AK_COMPOSE(idx, 1, 1, 0);
+ break;
+ default:
+ return -EINVAL;
+ }
+ err = snd_ctl_add(ak->card, snd_ctl_new1(&knew, ak));
+ if (err < 0)
+ return err;
+ }
+ return 0;
+}
+
+static void proc_regs_read(struct snd_info_entry *entry,
+ struct snd_info_buffer *buffer)
+{
+ struct snd_akm4xxx *ak = entry->private_data;
+ int reg, val, chip;
+ for (chip = 0; chip < ak->num_chips; chip++) {
+ for (reg = 0; reg < ak->total_regs; reg++) {
+ val = snd_akm4xxx_get(ak, chip, reg);
+ snd_iprintf(buffer, "chip %d: 0x%02x = 0x%02x\n", chip,
+ reg, val);
+ }
+ }
+}
+
+static int proc_init(struct snd_akm4xxx *ak)
+{
+ return snd_card_ro_proc_new(ak->card, ak->name, ak, proc_regs_read);
+}
+
+int snd_akm4xxx_build_controls(struct snd_akm4xxx *ak)
+{
+ int err, num_emphs;
+
+ err = build_dac_controls(ak);
+ if (err < 0)
+ return err;
+
+ err = build_adc_controls(ak);
+ if (err < 0)
+ return err;
+ if (ak->type == SND_AK4355 || ak->type == SND_AK4358)
+ num_emphs = 1;
+ else if (ak->type == SND_AK4620)
+ num_emphs = 0;
+ else
+ num_emphs = ak->num_dacs / 2;
+ err = build_deemphasis(ak, num_emphs);
+ if (err < 0)
+ return err;
+ err = proc_init(ak);
+ if (err < 0)
+ return err;
+
+ return 0;
+}
+EXPORT_SYMBOL(snd_akm4xxx_build_controls);
diff --git a/sound/i2c/other/pt2258.c b/sound/i2c/other/pt2258.c
new file mode 100644
index 0000000000..c913f22389
--- /dev/null
+++ b/sound/i2c/other/pt2258.c
@@ -0,0 +1,213 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
+/*
+ * ALSA Driver for the PT2258 volume controller.
+ *
+ * Copyright (c) 2006 Jochen Voss <voss@seehuhn.de>
+ */
+
+#include <sound/core.h>
+#include <sound/control.h>
+#include <sound/tlv.h>
+#include <sound/i2c.h>
+#include <sound/pt2258.h>
+#include <linux/module.h>
+
+MODULE_AUTHOR("Jochen Voss <voss@seehuhn.de>");
+MODULE_DESCRIPTION("PT2258 volume controller (Princeton Technology Corp.)");
+MODULE_LICENSE("GPL");
+
+#define PT2258_CMD_RESET 0xc0
+#define PT2258_CMD_UNMUTE 0xf8
+#define PT2258_CMD_MUTE 0xf9
+
+static const unsigned char pt2258_channel_code[12] = {
+ 0x80, 0x90, /* channel 1: -10dB, -1dB */
+ 0x40, 0x50, /* channel 2: -10dB, -1dB */
+ 0x00, 0x10, /* channel 3: -10dB, -1dB */
+ 0x20, 0x30, /* channel 4: -10dB, -1dB */
+ 0x60, 0x70, /* channel 5: -10dB, -1dB */
+ 0xa0, 0xb0 /* channel 6: -10dB, -1dB */
+};
+
+int snd_pt2258_reset(struct snd_pt2258 *pt)
+{
+ unsigned char bytes[2];
+ int i;
+
+ /* reset chip */
+ bytes[0] = PT2258_CMD_RESET;
+ snd_i2c_lock(pt->i2c_bus);
+ if (snd_i2c_sendbytes(pt->i2c_dev, bytes, 1) != 1)
+ goto __error;
+ snd_i2c_unlock(pt->i2c_bus);
+
+ /* mute all channels */
+ pt->mute = 1;
+ bytes[0] = PT2258_CMD_MUTE;
+ snd_i2c_lock(pt->i2c_bus);
+ if (snd_i2c_sendbytes(pt->i2c_dev, bytes, 1) != 1)
+ goto __error;
+ snd_i2c_unlock(pt->i2c_bus);
+
+ /* set all channels to 0dB */
+ for (i = 0; i < 6; ++i)
+ pt->volume[i] = 0;
+ bytes[0] = 0xd0;
+ bytes[1] = 0xe0;
+ snd_i2c_lock(pt->i2c_bus);
+ if (snd_i2c_sendbytes(pt->i2c_dev, bytes, 2) != 2)
+ goto __error;
+ snd_i2c_unlock(pt->i2c_bus);
+
+ return 0;
+
+ __error:
+ snd_i2c_unlock(pt->i2c_bus);
+ snd_printk(KERN_ERR "PT2258 reset failed\n");
+ return -EIO;
+}
+
+static int pt2258_stereo_volume_info(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_info *uinfo)
+{
+ uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
+ uinfo->count = 2;
+ uinfo->value.integer.min = 0;
+ uinfo->value.integer.max = 79;
+ return 0;
+}
+
+static int pt2258_stereo_volume_get(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_value *ucontrol)
+{
+ struct snd_pt2258 *pt = kcontrol->private_data;
+ int base = kcontrol->private_value;
+
+ /* chip does not support register reads */
+ ucontrol->value.integer.value[0] = 79 - pt->volume[base];
+ ucontrol->value.integer.value[1] = 79 - pt->volume[base + 1];
+ return 0;
+}
+
+static int pt2258_stereo_volume_put(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_value *ucontrol)
+{
+ struct snd_pt2258 *pt = kcontrol->private_data;
+ int base = kcontrol->private_value;
+ unsigned char bytes[2];
+ int val0, val1;
+
+ val0 = 79 - ucontrol->value.integer.value[0];
+ val1 = 79 - ucontrol->value.integer.value[1];
+ if (val0 < 0 || val0 > 79 || val1 < 0 || val1 > 79)
+ return -EINVAL;
+ if (val0 == pt->volume[base] && val1 == pt->volume[base + 1])
+ return 0;
+
+ pt->volume[base] = val0;
+ bytes[0] = pt2258_channel_code[2 * base] | (val0 / 10);
+ bytes[1] = pt2258_channel_code[2 * base + 1] | (val0 % 10);
+ snd_i2c_lock(pt->i2c_bus);
+ if (snd_i2c_sendbytes(pt->i2c_dev, bytes, 2) != 2)
+ goto __error;
+ snd_i2c_unlock(pt->i2c_bus);
+
+ pt->volume[base + 1] = val1;
+ bytes[0] = pt2258_channel_code[2 * base + 2] | (val1 / 10);
+ bytes[1] = pt2258_channel_code[2 * base + 3] | (val1 % 10);
+ snd_i2c_lock(pt->i2c_bus);
+ if (snd_i2c_sendbytes(pt->i2c_dev, bytes, 2) != 2)
+ goto __error;
+ snd_i2c_unlock(pt->i2c_bus);
+
+ return 1;
+
+ __error:
+ snd_i2c_unlock(pt->i2c_bus);
+ snd_printk(KERN_ERR "PT2258 access failed\n");
+ return -EIO;
+}
+
+#define pt2258_switch_info snd_ctl_boolean_mono_info
+
+static int pt2258_switch_get(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_value *ucontrol)
+{
+ struct snd_pt2258 *pt = kcontrol->private_data;
+
+ ucontrol->value.integer.value[0] = !pt->mute;
+ return 0;
+}
+
+static int pt2258_switch_put(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_value *ucontrol)
+{
+ struct snd_pt2258 *pt = kcontrol->private_data;
+ unsigned char bytes[2];
+ int val;
+
+ val = !ucontrol->value.integer.value[0];
+ if (pt->mute == val)
+ return 0;
+
+ pt->mute = val;
+ bytes[0] = val ? PT2258_CMD_MUTE : PT2258_CMD_UNMUTE;
+ snd_i2c_lock(pt->i2c_bus);
+ if (snd_i2c_sendbytes(pt->i2c_dev, bytes, 1) != 1)
+ goto __error;
+ snd_i2c_unlock(pt->i2c_bus);
+
+ return 1;
+
+ __error:
+ snd_i2c_unlock(pt->i2c_bus);
+ snd_printk(KERN_ERR "PT2258 access failed 2\n");
+ return -EIO;
+}
+
+static const DECLARE_TLV_DB_SCALE(pt2258_db_scale, -7900, 100, 0);
+
+int snd_pt2258_build_controls(struct snd_pt2258 *pt)
+{
+ struct snd_kcontrol_new knew;
+ char *names[3] = {
+ "Mic Loopback Playback Volume",
+ "Line Loopback Playback Volume",
+ "CD Loopback Playback Volume"
+ };
+ int i, err;
+
+ for (i = 0; i < 3; ++i) {
+ memset(&knew, 0, sizeof(knew));
+ knew.name = names[i];
+ knew.iface = SNDRV_CTL_ELEM_IFACE_MIXER;
+ knew.count = 1;
+ knew.access = SNDRV_CTL_ELEM_ACCESS_READWRITE |
+ SNDRV_CTL_ELEM_ACCESS_TLV_READ;
+ knew.private_value = 2 * i;
+ knew.info = pt2258_stereo_volume_info;
+ knew.get = pt2258_stereo_volume_get;
+ knew.put = pt2258_stereo_volume_put;
+ knew.tlv.p = pt2258_db_scale;
+
+ err = snd_ctl_add(pt->card, snd_ctl_new1(&knew, pt));
+ if (err < 0)
+ return err;
+ }
+
+ memset(&knew, 0, sizeof(knew));
+ knew.name = "Loopback Switch";
+ knew.iface = SNDRV_CTL_ELEM_IFACE_MIXER;
+ knew.info = pt2258_switch_info;
+ knew.get = pt2258_switch_get;
+ knew.put = pt2258_switch_put;
+ knew.access = 0;
+ err = snd_ctl_add(pt->card, snd_ctl_new1(&knew, pt));
+ if (err < 0)
+ return err;
+
+ return 0;
+}
+
+EXPORT_SYMBOL(snd_pt2258_reset);
+EXPORT_SYMBOL(snd_pt2258_build_controls);
diff --git a/sound/i2c/tea6330t.c b/sound/i2c/tea6330t.c
new file mode 100644
index 0000000000..037d6293f7
--- /dev/null
+++ b/sound/i2c/tea6330t.c
@@ -0,0 +1,363 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
+/*
+ * Routines for control of the TEA6330T circuit via i2c bus
+ * Sound fader control circuit for car radios by Philips Semiconductors
+ * Copyright (c) by Jaroslav Kysela <perex@perex.cz>
+ */
+
+#include <linux/init.h>
+#include <linux/slab.h>
+#include <linux/module.h>
+#include <sound/core.h>
+#include <sound/control.h>
+#include <sound/tea6330t.h>
+
+MODULE_AUTHOR("Jaroslav Kysela <perex@perex.cz>");
+MODULE_DESCRIPTION("Routines for control of the TEA6330T circuit via i2c bus");
+MODULE_LICENSE("GPL");
+
+#define TEA6330T_ADDR (0x80>>1) /* fixed address */
+
+#define TEA6330T_SADDR_VOLUME_LEFT 0x00 /* volume left */
+#define TEA6330T_SADDR_VOLUME_RIGHT 0x01 /* volume right */
+#define TEA6330T_SADDR_BASS 0x02 /* bass control */
+#define TEA6330T_SADDR_TREBLE 0x03 /* treble control */
+#define TEA6330T_SADDR_FADER 0x04 /* fader control */
+#define TEA6330T_MFN 0x20 /* mute control for selected channels */
+#define TEA6330T_FCH 0x10 /* select fader channels - front or rear */
+#define TEA6330T_SADDR_AUDIO_SWITCH 0x05 /* audio switch */
+#define TEA6330T_GMU 0x80 /* mute control, general mute */
+#define TEA6330T_EQN 0x40 /* equalizer switchover (0=equalizer-on) */
+
+
+struct tea6330t {
+ struct snd_i2c_device *device;
+ struct snd_i2c_bus *bus;
+ int equalizer;
+ int fader;
+ unsigned char regs[8];
+ unsigned char mleft, mright;
+ unsigned char bass, treble;
+ unsigned char max_bass, max_treble;
+};
+
+
+int snd_tea6330t_detect(struct snd_i2c_bus *bus, int equalizer)
+{
+ int res;
+
+ snd_i2c_lock(bus);
+ res = snd_i2c_probeaddr(bus, TEA6330T_ADDR);
+ snd_i2c_unlock(bus);
+ return res;
+}
+
+#if 0
+static void snd_tea6330t_set(struct tea6330t *tea,
+ unsigned char addr, unsigned char value)
+{
+#if 0
+ printk(KERN_DEBUG "set - 0x%x/0x%x\n", addr, value);
+#endif
+ snd_i2c_write(tea->bus, TEA6330T_ADDR, addr, value, 1);
+}
+#endif
+
+#define TEA6330T_MASTER_VOLUME(xname, xindex) \
+{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .index = xindex, \
+ .info = snd_tea6330t_info_master_volume, \
+ .get = snd_tea6330t_get_master_volume, .put = snd_tea6330t_put_master_volume }
+
+static int snd_tea6330t_info_master_volume(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_info *uinfo)
+{
+ uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
+ uinfo->count = 2;
+ uinfo->value.integer.min = 0;
+ uinfo->value.integer.max = 43;
+ return 0;
+}
+
+static int snd_tea6330t_get_master_volume(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_value *ucontrol)
+{
+ struct tea6330t *tea = snd_kcontrol_chip(kcontrol);
+
+ snd_i2c_lock(tea->bus);
+ ucontrol->value.integer.value[0] = tea->mleft - 0x14;
+ ucontrol->value.integer.value[1] = tea->mright - 0x14;
+ snd_i2c_unlock(tea->bus);
+ return 0;
+}
+
+static int snd_tea6330t_put_master_volume(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_value *ucontrol)
+{
+ struct tea6330t *tea = snd_kcontrol_chip(kcontrol);
+ int change, count, err;
+ unsigned char bytes[3];
+ unsigned char val1, val2;
+
+ val1 = (ucontrol->value.integer.value[0] % 44) + 0x14;
+ val2 = (ucontrol->value.integer.value[1] % 44) + 0x14;
+ snd_i2c_lock(tea->bus);
+ change = val1 != tea->mleft || val2 != tea->mright;
+ tea->mleft = val1;
+ tea->mright = val2;
+ count = 0;
+ if (tea->regs[TEA6330T_SADDR_VOLUME_LEFT] != 0) {
+ bytes[count++] = TEA6330T_SADDR_VOLUME_LEFT;
+ bytes[count++] = tea->regs[TEA6330T_SADDR_VOLUME_LEFT] = tea->mleft;
+ }
+ if (tea->regs[TEA6330T_SADDR_VOLUME_RIGHT] != 0) {
+ if (count == 0)
+ bytes[count++] = TEA6330T_SADDR_VOLUME_RIGHT;
+ bytes[count++] = tea->regs[TEA6330T_SADDR_VOLUME_RIGHT] = tea->mright;
+ }
+ if (count > 0) {
+ err = snd_i2c_sendbytes(tea->device, bytes, count);
+ if (err < 0)
+ change = err;
+ }
+ snd_i2c_unlock(tea->bus);
+ return change;
+}
+
+#define TEA6330T_MASTER_SWITCH(xname, xindex) \
+{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .index = xindex, \
+ .info = snd_tea6330t_info_master_switch, \
+ .get = snd_tea6330t_get_master_switch, .put = snd_tea6330t_put_master_switch }
+
+#define snd_tea6330t_info_master_switch snd_ctl_boolean_stereo_info
+
+static int snd_tea6330t_get_master_switch(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_value *ucontrol)
+{
+ struct tea6330t *tea = snd_kcontrol_chip(kcontrol);
+
+ snd_i2c_lock(tea->bus);
+ ucontrol->value.integer.value[0] = tea->regs[TEA6330T_SADDR_VOLUME_LEFT] == 0 ? 0 : 1;
+ ucontrol->value.integer.value[1] = tea->regs[TEA6330T_SADDR_VOLUME_RIGHT] == 0 ? 0 : 1;
+ snd_i2c_unlock(tea->bus);
+ return 0;
+}
+
+static int snd_tea6330t_put_master_switch(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_value *ucontrol)
+{
+ struct tea6330t *tea = snd_kcontrol_chip(kcontrol);
+ int change, err;
+ unsigned char bytes[3];
+ unsigned char oval1, oval2, val1, val2;
+
+ val1 = ucontrol->value.integer.value[0] & 1;
+ val2 = ucontrol->value.integer.value[1] & 1;
+ snd_i2c_lock(tea->bus);
+ oval1 = tea->regs[TEA6330T_SADDR_VOLUME_LEFT] == 0 ? 0 : 1;
+ oval2 = tea->regs[TEA6330T_SADDR_VOLUME_RIGHT] == 0 ? 0 : 1;
+ change = val1 != oval1 || val2 != oval2;
+ tea->regs[TEA6330T_SADDR_VOLUME_LEFT] = val1 ? tea->mleft : 0;
+ tea->regs[TEA6330T_SADDR_VOLUME_RIGHT] = val2 ? tea->mright : 0;
+ bytes[0] = TEA6330T_SADDR_VOLUME_LEFT;
+ bytes[1] = tea->regs[TEA6330T_SADDR_VOLUME_LEFT];
+ bytes[2] = tea->regs[TEA6330T_SADDR_VOLUME_RIGHT];
+ err = snd_i2c_sendbytes(tea->device, bytes, 3);
+ if (err < 0)
+ change = err;
+ snd_i2c_unlock(tea->bus);
+ return change;
+}
+
+#define TEA6330T_BASS(xname, xindex) \
+{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .index = xindex, \
+ .info = snd_tea6330t_info_bass, \
+ .get = snd_tea6330t_get_bass, .put = snd_tea6330t_put_bass }
+
+static int snd_tea6330t_info_bass(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_info *uinfo)
+{
+ struct tea6330t *tea = snd_kcontrol_chip(kcontrol);
+
+ uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
+ uinfo->count = 1;
+ uinfo->value.integer.min = 0;
+ uinfo->value.integer.max = tea->max_bass;
+ return 0;
+}
+
+static int snd_tea6330t_get_bass(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_value *ucontrol)
+{
+ struct tea6330t *tea = snd_kcontrol_chip(kcontrol);
+
+ ucontrol->value.integer.value[0] = tea->bass;
+ return 0;
+}
+
+static int snd_tea6330t_put_bass(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_value *ucontrol)
+{
+ struct tea6330t *tea = snd_kcontrol_chip(kcontrol);
+ int change, err;
+ unsigned char bytes[2];
+ unsigned char val1;
+
+ val1 = ucontrol->value.integer.value[0] % (tea->max_bass + 1);
+ snd_i2c_lock(tea->bus);
+ tea->bass = val1;
+ val1 += tea->equalizer ? 7 : 3;
+ change = tea->regs[TEA6330T_SADDR_BASS] != val1;
+ bytes[0] = TEA6330T_SADDR_BASS;
+ bytes[1] = tea->regs[TEA6330T_SADDR_BASS] = val1;
+ err = snd_i2c_sendbytes(tea->device, bytes, 2);
+ if (err < 0)
+ change = err;
+ snd_i2c_unlock(tea->bus);
+ return change;
+}
+
+#define TEA6330T_TREBLE(xname, xindex) \
+{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .index = xindex, \
+ .info = snd_tea6330t_info_treble, \
+ .get = snd_tea6330t_get_treble, .put = snd_tea6330t_put_treble }
+
+static int snd_tea6330t_info_treble(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_info *uinfo)
+{
+ struct tea6330t *tea = snd_kcontrol_chip(kcontrol);
+
+ uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
+ uinfo->count = 1;
+ uinfo->value.integer.min = 0;
+ uinfo->value.integer.max = tea->max_treble;
+ return 0;
+}
+
+static int snd_tea6330t_get_treble(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_value *ucontrol)
+{
+ struct tea6330t *tea = snd_kcontrol_chip(kcontrol);
+
+ ucontrol->value.integer.value[0] = tea->treble;
+ return 0;
+}
+
+static int snd_tea6330t_put_treble(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_value *ucontrol)
+{
+ struct tea6330t *tea = snd_kcontrol_chip(kcontrol);
+ int change, err;
+ unsigned char bytes[2];
+ unsigned char val1;
+
+ val1 = ucontrol->value.integer.value[0] % (tea->max_treble + 1);
+ snd_i2c_lock(tea->bus);
+ tea->treble = val1;
+ val1 += 3;
+ change = tea->regs[TEA6330T_SADDR_TREBLE] != val1;
+ bytes[0] = TEA6330T_SADDR_TREBLE;
+ bytes[1] = tea->regs[TEA6330T_SADDR_TREBLE] = val1;
+ err = snd_i2c_sendbytes(tea->device, bytes, 2);
+ if (err < 0)
+ change = err;
+ snd_i2c_unlock(tea->bus);
+ return change;
+}
+
+static const struct snd_kcontrol_new snd_tea6330t_controls[] = {
+TEA6330T_MASTER_SWITCH("Master Playback Switch", 0),
+TEA6330T_MASTER_VOLUME("Master Playback Volume", 0),
+TEA6330T_BASS("Tone Control - Bass", 0),
+TEA6330T_TREBLE("Tone Control - Treble", 0)
+};
+
+static void snd_tea6330_free(struct snd_i2c_device *device)
+{
+ kfree(device->private_data);
+}
+
+int snd_tea6330t_update_mixer(struct snd_card *card,
+ struct snd_i2c_bus *bus,
+ int equalizer, int fader)
+{
+ struct snd_i2c_device *device;
+ struct tea6330t *tea;
+ const struct snd_kcontrol_new *knew;
+ unsigned int idx;
+ int err;
+ u8 default_treble, default_bass;
+ unsigned char bytes[7];
+
+ tea = kzalloc(sizeof(*tea), GFP_KERNEL);
+ if (tea == NULL)
+ return -ENOMEM;
+ err = snd_i2c_device_create(bus, "TEA6330T", TEA6330T_ADDR, &device);
+ if (err < 0) {
+ kfree(tea);
+ return err;
+ }
+ tea->device = device;
+ tea->bus = bus;
+ tea->equalizer = equalizer;
+ tea->fader = fader;
+ device->private_data = tea;
+ device->private_free = snd_tea6330_free;
+
+ snd_i2c_lock(bus);
+
+ /* turn fader off and handle equalizer */
+ tea->regs[TEA6330T_SADDR_FADER] = 0x3f;
+ tea->regs[TEA6330T_SADDR_AUDIO_SWITCH] = equalizer ? 0 : TEA6330T_EQN;
+ /* initialize mixer */
+ if (!tea->equalizer) {
+ tea->max_bass = 9;
+ tea->max_treble = 8;
+ default_bass = 3 + 4;
+ tea->bass = 4;
+ default_treble = 3 + 4;
+ tea->treble = 4;
+ } else {
+ tea->max_bass = 5;
+ tea->max_treble = 0;
+ default_bass = 7 + 4;
+ tea->bass = 4;
+ default_treble = 3;
+ tea->treble = 0;
+ }
+ tea->mleft = tea->mright = 0x14;
+ tea->regs[TEA6330T_SADDR_BASS] = default_bass;
+ tea->regs[TEA6330T_SADDR_TREBLE] = default_treble;
+
+ /* compose I2C message and put the hardware to initial state */
+ bytes[0] = TEA6330T_SADDR_VOLUME_LEFT;
+ for (idx = 0; idx < 6; idx++)
+ bytes[idx+1] = tea->regs[idx];
+ err = snd_i2c_sendbytes(device, bytes, 7);
+ if (err < 0)
+ goto __error;
+
+ strcat(card->mixername, ",TEA6330T");
+ err = snd_component_add(card, "TEA6330T");
+ if (err < 0)
+ goto __error;
+
+ for (idx = 0; idx < ARRAY_SIZE(snd_tea6330t_controls); idx++) {
+ knew = &snd_tea6330t_controls[idx];
+ if (tea->treble == 0 && !strcmp(knew->name, "Tone Control - Treble"))
+ continue;
+ err = snd_ctl_add(card, snd_ctl_new1(knew, tea));
+ if (err < 0)
+ goto __error;
+ }
+
+ snd_i2c_unlock(bus);
+ return 0;
+
+ __error:
+ snd_i2c_unlock(bus);
+ snd_i2c_device_free(device);
+ return err;
+}
+
+EXPORT_SYMBOL(snd_tea6330t_detect);
+EXPORT_SYMBOL(snd_tea6330t_update_mixer);
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-01 20:57:45 +0000