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authorFlorian Fainelli <florian@openwrt.org>2012-11-30 10:53:47 +0000
committerFlorian Fainelli <florian@openwrt.org>2012-11-30 10:53:47 +0000
commit527afd0e9ad14751e4b26c70aa9e9883c839218e (patch)
treed478bdde0069ca371b27ff57f86cb7e92d1c5cfb /target/linux/ubicom32/files/sound
parenta68f386663f09d3abb315fd8d01e5733547c3005 (diff)
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This target is unused, does not support any off the shelf hardware and has been a maintenance burden for quite some time now. Signed-off-by: Florian Fainelli <florian@openwrt.org> SVN-Revision: 34430
Diffstat (limited to 'target/linux/ubicom32/files/sound')
-rw-r--r--target/linux/ubicom32/files/sound/ubicom32/Kconfig42
-rw-r--r--target/linux/ubicom32/files/sound/ubicom32/Makefile41
-rw-r--r--target/linux/ubicom32/files/sound/ubicom32/ubi32-cs4350.c583
-rw-r--r--target/linux/ubicom32/files/sound/ubicom32/ubi32-cs4384.c996
-rw-r--r--target/linux/ubicom32/files/sound/ubicom32/ubi32-generic-capture.c167
-rw-r--r--target/linux/ubicom32/files/sound/ubicom32/ubi32-generic.c166
-rw-r--r--target/linux/ubicom32/files/sound/ubicom32/ubi32-pcm.c711
-rw-r--r--target/linux/ubicom32/files/sound/ubicom32/ubi32.h102
8 files changed, 0 insertions, 2808 deletions
diff --git a/target/linux/ubicom32/files/sound/ubicom32/Kconfig b/target/linux/ubicom32/files/sound/ubicom32/Kconfig
deleted file mode 100644
index c57bd34..0000000
--- a/target/linux/ubicom32/files/sound/ubicom32/Kconfig
+++ /dev/null
@@ -1,42 +0,0 @@
-# ALSA Ubicom32 drivers
-
-menuconfig SND_UBI32
- tristate "Ubicom32 sound devices"
- select SND_PCM
- default n
- help
- Say Y here to include support for audio on the Ubicom32 platform.
- To compile this driver as a module, say M here: the module will be
- called snd_ubi32.
-
-if SND_UBI32
-
-config SND_UBI32_AUDIO_GENERIC_CAPTURE
- bool "Generic Capture Support"
- default n
- help
- Use this option to support ADCs which don't require special drivers.
-
-config SND_UBI32_AUDIO_GENERIC
- bool "Generic Playback Support"
- default n
- help
- Use this option to support DACs which don't require special drivers.
-
-comment "I2C Based Codecs"
-
-config SND_UBI32_AUDIO_CS4350
- bool "Cirrus Logic CS4350 DAC"
- depends on I2C
- default n
- help
- Support for the Cirrus Logic CS4350 DAC.
-
-config SND_UBI32_AUDIO_CS4384
- bool "Cirrus Logic CS4384 DAC"
- depends on I2C
- default n
- help
- Support for the Cirrus Logic CS4384 DAC.
-
-endif #SND_UBI32
diff --git a/target/linux/ubicom32/files/sound/ubicom32/Makefile b/target/linux/ubicom32/files/sound/ubicom32/Makefile
deleted file mode 100644
index ffdcc29..0000000
--- a/target/linux/ubicom32/files/sound/ubicom32/Makefile
+++ /dev/null
@@ -1,41 +0,0 @@
-#
-# sound/ubicom32/Makefile
-# Makefile for ALSA
-#
-# (C) Copyright 2009, Ubicom, Inc.
-#
-# This file is part of the Ubicom32 Linux Kernel Port.
-#
-# The Ubicom32 Linux Kernel Port is free software: you can redistribute
-# it and/or modify it under the terms of the GNU General Public License
-# as published by the Free Software Foundation, either version 2 of the
-# License, or (at your option) any later version.
-#
-# The Ubicom32 Linux Kernel Port is distributed in the hope that it
-# will be useful, but WITHOUT ANY WARRANTY; without even the implied
-# warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See
-# the GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with the Ubicom32 Linux Kernel Port. If not,
-# see <http://www.gnu.org/licenses/>.
-#
-# Ubicom32 implementation derived from (with many thanks):
-# arch/m68knommu
-# arch/blackfin
-# arch/parisc
-#
-
-CFLAGS_ubi32.o += -O2
-snd-ubi32-pcm-objs := ubi32-pcm.o
-snd-ubi32-generic-objs := ubi32-generic.o
-snd-ubi32-generic-capture-objs := ubi32-generic-capture.o
-snd-ubi32-cs4350-objs := ubi32-cs4350.o
-snd-ubi32-cs4384-objs := ubi32-cs4384.o
-
-# Toplevel Module Dependency
-obj-$(CONFIG_SND_UBI32) += snd-ubi32-pcm.o
-obj-$(CONFIG_SND_UBI32_AUDIO_GENERIC) += snd-ubi32-generic.o
-obj-$(CONFIG_SND_UBI32_AUDIO_GENERIC_CAPTURE) += snd-ubi32-generic-capture.o
-obj-$(CONFIG_SND_UBI32_AUDIO_CS4350) += snd-ubi32-cs4350.o
-obj-$(CONFIG_SND_UBI32_AUDIO_CS4384) += snd-ubi32-cs4384.o
diff --git a/target/linux/ubicom32/files/sound/ubicom32/ubi32-cs4350.c b/target/linux/ubicom32/files/sound/ubicom32/ubi32-cs4350.c
deleted file mode 100644
index 7e6f9ac..0000000
--- a/target/linux/ubicom32/files/sound/ubicom32/ubi32-cs4350.c
+++ /dev/null
@@ -1,583 +0,0 @@
-/*
- * sound/ubicom32/ubi32-cs4350.c
- * Interface to ubicom32 virtual audio peripheral - using CS4350 DAC
- *
- * (C) Copyright 2009, Ubicom, Inc.
- *
- * This file is part of the Ubicom32 Linux Kernel Port.
- *
- * The Ubicom32 Linux Kernel Port is free software: you can redistribute
- * it and/or modify it under the terms of the GNU General Public License
- * as published by the Free Software Foundation, either version 2 of the
- * License, or (at your option) any later version.
- *
- * The Ubicom32 Linux Kernel Port is distributed in the hope that it
- * will be useful, but WITHOUT ANY WARRANTY; without even the implied
- * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See
- * the GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with the Ubicom32 Linux Kernel Port. If not,
- * see <http://www.gnu.org/licenses/>.
- */
-
-#include <linux/i2c.h>
-#include <linux/module.h>
-#include <linux/moduleparam.h>
-#include <sound/core.h>
-#include <sound/tlv.h>
-#include <sound/control.h>
-#include <sound/pcm.h>
-#include <sound/initval.h>
-#include "ubi32.h"
-
-#define DRIVER_NAME "snd-ubi32-cs4350"
-
-/*
- * Module properties
- */
-static const struct i2c_device_id snd_ubi32_cs4350_id[] = {
- {"cs4350", 0 },
- { }
-};
-MODULE_DEVICE_TABLE(i2c, ubicom32audio_id);
-
-static int index = SNDRV_DEFAULT_IDX1; /* Index 0-MAX */
-
-/*
- * The dB scale for the Cirrus Logic cs4350. The output range is from
- * -127.5 dB to 0 dB.
- */
-static const DECLARE_TLV_DB_SCALE(snd_ubi32_cs4350_db, -12750, 50, 0);
-
-#define ubi32_cs4350_mute_info snd_ctl_boolean_stereo_info
-
-/*
- * Private data for cs4350 chip
- */
-struct ubi32_cs4350_priv {
- /*
- * The current volume settings
- */
- uint8_t volume[2];
-
- /*
- * Bitmask of mutes MSB (unused, ..., unused, right_ch, left_ch) LSB
- */
- uint8_t mute;
-
- /*
- * Lock to protect this struct because callbacks are not atomic.
- */
- spinlock_t lock;
-};
-
-/*
- * The info for the cs4350. The volume currently has one channel,
- * and 255 possible settings.
- */
-static int ubi32_cs4350_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 = 255; // 8 bits in cirrus logic cs4350 volume register
- return 0;
-}
-
-static int ubi32_cs4350_volume_get(struct snd_kcontrol *kcontrol,
- struct snd_ctl_elem_value *ucontrol)
-{
- struct ubi32_snd_priv *ubi32_priv = snd_kcontrol_chip(kcontrol);
- struct ubi32_cs4350_priv *cs4350_priv;
- unsigned long flags;
-
- cs4350_priv = snd_ubi32_priv_get_drv(ubi32_priv);
-
- spin_lock_irqsave(&cs4350_priv->lock, flags);
-
- ucontrol->value.integer.value[0] = cs4350_priv->volume[0];
- ucontrol->value.integer.value[1] = cs4350_priv->volume[1];
-
- spin_unlock_irqrestore(&cs4350_priv->lock, flags);
-
- return 0;
-}
-
-static int ubi32_cs4350_volume_put(struct snd_kcontrol *kcontrol,
- struct snd_ctl_elem_value *ucontrol)
-{
- struct ubi32_snd_priv *ubi32_priv = snd_kcontrol_chip(kcontrol);
- struct i2c_client *client = (struct i2c_client *)ubi32_priv->client;
- struct ubi32_cs4350_priv *cs4350_priv;
- unsigned long flags;
- int ret, changed;
- char send[2];
- uint8_t volume_reg_value_left, volume_reg_value_right;
-
- changed = 0;
-
- cs4350_priv = snd_ubi32_priv_get_drv(ubi32_priv);
- volume_reg_value_left = 255 - (ucontrol->value.integer.value[0] & 0xFF);
- volume_reg_value_right = 255 - (ucontrol->value.integer.value[1] & 0xFF);
-
-#if SND_UBI32_DEBUG
- snd_printk(KERN_INFO "Setting volume: writing %d,%d to CS4350 volume registers\n", volume_reg_value_left, volume_reg_value_right);
-#endif
- spin_lock_irqsave(&cs4350_priv->lock, flags);
-
- if (cs4350_priv->volume[0] != ucontrol->value.integer.value[0]) {
- send[0] = 0x05; // left channel
- send[1] = volume_reg_value_left;
- ret = i2c_master_send(client, send, 2);
- if (ret != 2) {
- snd_printk(KERN_ERR "Failed to set channel A volume on CS4350\n");
- return changed;
- }
- cs4350_priv->volume[0] = ucontrol->value.integer.value[0];
- changed = 1;
- }
-
- if (cs4350_priv->volume[1] != ucontrol->value.integer.value[1]) {
- send[0] = 0x06; // right channel
- send[1] = volume_reg_value_right;
- ret = i2c_master_send(client, send, 2);
- if (ret != 2) {
- snd_printk(KERN_ERR "Failed to set channel B volume on CS4350\n");
- return changed;
- }
- cs4350_priv->volume[1] = ucontrol->value.integer.value[1];
- changed = 1;
- }
-
- spin_unlock_irqrestore(&cs4350_priv->lock, flags);
-
- return changed;
-}
-
-static struct snd_kcontrol_new ubi32_cs4350_volume __devinitdata = {
- .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
- .access = SNDRV_CTL_ELEM_ACCESS_READWRITE |
- SNDRV_CTL_ELEM_ACCESS_TLV_READ,
- .name = "PCM Playback Volume",
- .info = ubi32_cs4350_volume_info,
- .get = ubi32_cs4350_volume_get,
- .put = ubi32_cs4350_volume_put,
- .tlv.p = snd_ubi32_cs4350_db,
-};
-
-static int ubi32_cs4350_mute_get(struct snd_kcontrol *kcontrol,
- struct snd_ctl_elem_value *ucontrol)
-{
- struct ubi32_snd_priv *ubi32_priv = snd_kcontrol_chip(kcontrol);
- struct ubi32_cs4350_priv *cs4350_priv;
- unsigned long flags;
-
- cs4350_priv = snd_ubi32_priv_get_drv(ubi32_priv);
-
- spin_lock_irqsave(&cs4350_priv->lock, flags);
-
- ucontrol->value.integer.value[0] = cs4350_priv->mute & 1;
- ucontrol->value.integer.value[1] = (cs4350_priv->mute & (1 << 1)) ? 1 : 0;
-
- spin_unlock_irqrestore(&cs4350_priv->lock, flags);
-
- return 0;
-}
-
-static int ubi32_cs4350_mute_put(struct snd_kcontrol *kcontrol,
- struct snd_ctl_elem_value *ucontrol)
-{
- struct ubi32_snd_priv *ubi32_priv = snd_kcontrol_chip(kcontrol);
- struct i2c_client *client = (struct i2c_client *)ubi32_priv->client;
- struct ubi32_cs4350_priv *cs4350_priv;
- unsigned long flags;
- int ret, changed;
- char send[2];
- char recv[1];
- uint8_t mute;
-
- changed = 0;
-
- cs4350_priv = snd_ubi32_priv_get_drv(ubi32_priv);
-
- spin_lock_irqsave(&cs4350_priv->lock, flags);
-
- if ((cs4350_priv->mute & 1) != ucontrol->value.integer.value[0]) {
- send[0] = 0x04;
- ret = i2c_master_send(client, send, 1);
- if (ret != 1) {
- snd_printk(KERN_ERR "Failed to write to mute register: channel 0\n");
- return changed;
- }
-
- ret = i2c_master_recv(client, recv, 1);
- if (ret != 1) {
- snd_printk(KERN_ERR "Failed to read mute register: channel 0\n");
- return changed;
- }
-
- mute = recv[0];
-
- if (ucontrol->value.integer.value[0]) {
- cs4350_priv->mute |= 1;
- mute &= ~(1 << 4);
-#if SND_UBI32_DEBUG
- snd_printk(KERN_INFO "Unmuted channel A\n");
-#endif
- } else {
- cs4350_priv->mute &= ~1;
- mute |= (1 << 4);
-#if SND_UBI32_DEBUG
- snd_printk(KERN_INFO "Muted channel A\n");
-#endif
- }
-
- send[0] = 0x04;
- send[1] = mute;
- ret = i2c_master_send(client, send, 2);
- if (ret != 2) {
- snd_printk(KERN_ERR "Failed to set channel A mute on CS4350\n");
- return changed;
- }
- changed = 1;
- }
-
- if (((cs4350_priv->mute & 2) >> 1) != ucontrol->value.integer.value[1]) {
- send[0] = 0x04;
- ret = i2c_master_send(client, send, 1);
- if (ret != 1) {
- snd_printk(KERN_ERR "Failed to write to mute register: channel 1\n");
- return changed;
- }
-
- ret = i2c_master_recv(client, recv, 1);
- if (ret != 1) {
- snd_printk(KERN_ERR "Failed to read mute register: channel 1\n");
- return changed;
- }
-
- mute = recv[0];
-
- if (ucontrol->value.integer.value[1]) {
- cs4350_priv->mute |= (1 << 1);
- mute &= ~(1 << 3);
-#if SND_UBI32_DEBUG
- snd_printk(KERN_INFO "Unmuted channel B\n");
-#endif
- } else {
- cs4350_priv->mute &= ~(1 << 1);
- mute |= (1 << 3);
-#if SND_UBI32_DEBUG
- snd_printk(KERN_INFO "Muted channel B\n");
-#endif
- }
-
- send[0] = 0x04;
- send[1] = mute;
- ret = i2c_master_send(client, send, 2);
- if (ret != 2) {
- snd_printk(KERN_ERR "Failed to set channel A mute on CS4350\n");
- return changed;
- }
- changed = 1;
- }
-
- spin_unlock_irqrestore(&cs4350_priv->lock, flags);
-
- return changed;
-}
-
-static struct snd_kcontrol_new ubi32_cs4350_mute __devinitdata = {
- .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
- .access = SNDRV_CTL_ELEM_ACCESS_READWRITE,
- .name = "PCM Playback Switch",
- .info = ubi32_cs4350_mute_info,
- .get = ubi32_cs4350_mute_get,
- .put = ubi32_cs4350_mute_put,
-};
-
-/*
- * snd_ubi32_cs4350_free
- * Card private data free function
- */
-void snd_ubi32_cs4350_free(struct snd_card *card)
-{
- struct ubi32_snd_priv *ubi32_priv;
- struct ubi32_cs4350_priv *cs4350_priv;
-
- ubi32_priv = card->private_data;
- cs4350_priv = snd_ubi32_priv_get_drv(ubi32_priv);
- if (cs4350_priv) {
- kfree(cs4350_priv);
- }
-}
-
-/*
- * snd_ubi32_cs4350_dac_init
- */
-static int snd_ubi32_cs4350_dac_init(struct i2c_client *client, const struct i2c_device_id *id)
-{
- int ret;
- char send[2];
- char recv[8];
-
- /*
- * Initialize the CS4350 DAC over the I2C interface
- */
- snd_printk(KERN_INFO "Initializing CS4350 DAC\n");
-
- /*
- * Register 0x01: device/revid
- */
- send[0] = 0x01;
- ret = i2c_master_send(client, send, 1);
- if (ret != 1) {
- snd_printk(KERN_ERR "Failed 1st attempt to write to CS4350 register 0x01\n");
- goto fail;
- }
- ret = i2c_master_recv(client, recv, 1);
- if (ret != 1) {
- snd_printk(KERN_ERR "Failed initial read of CS4350 registers\n");
- goto fail;
- }
- snd_printk(KERN_INFO "CS4350 DAC Device/Rev: %08x\n", recv[0]);
-
- /*
- * Register 0x02: Mode control
- * I2S DIF[2:0] = 001, no De-Emphasis, Auto speed mode
- */
- send[0] = 0x02;
- send[1] = 0x10;
- ret = i2c_master_send(client, send, 2);
- if (ret != 2) {
- snd_printk(KERN_ERR "Failed to set CS4350 to I2S mode\n");
- goto fail;
- }
-
- /*
- * Register 0x05/0x06: Volume control
- * Channel A volume set to 0 dB
- * Channel B volume set to 0 dB
- */
- send[0] = 0x05;
- send[1] = 0x00;
- ret = i2c_master_send(client, send, 2);
- if (ret != 2) {
- snd_printk(KERN_ERR "Failed to set channel A volume on CS4350\n");
- goto fail;
- }
-
- send[0] = 0x06;
- send[1] = 0x00;
- ret = i2c_master_send(client, send, 2);
- if (ret != 2) {
- snd_printk(KERN_ERR "Failed to set channel A volume on CS4350\n");
- goto fail;
- }
-
- /*
- * Make sure the changes took place, this helps verify we are talking to
- * the correct chip.
- */
- send[0] = 0x81;
- ret = i2c_master_send(client, send, 1);
- if (ret != 1) {
- snd_printk(KERN_ERR "Failed to initiate readback\n");
- goto fail;
- }
-
- ret = i2c_master_recv(client, recv, 8);
- if (ret != 8) {
- snd_printk(KERN_ERR "Failed second read of CS4350 registers\n");
- goto fail;
- }
-
- if ((recv[1] != 0x10) || (recv[4] != 0x00) || (recv[5] != 0x00)) {
- snd_printk(KERN_ERR "Failed to initialize CS4350 DAC\n");
- goto fail;
- }
-
- snd_printk(KERN_INFO "CS4350 DAC Initialized\n");
- return 0;
-
-fail:
- return -ENODEV;
-}
-
-/*
- * snd_ubi32_cs4350_i2c_probe
- */
-static int snd_ubi32_cs4350_i2c_probe(struct i2c_client *client, const struct i2c_device_id *id)
-{
- struct snd_card *card;
- struct ubi32_snd_priv *ubi32_priv;
- struct ubi32_cs4350_priv *cs4350_priv;
- int err, ret;
- struct platform_device *pdev;
-
- pdev = client->dev.platform_data;
- if (!pdev) {
- return -ENODEV;
- }
-
- /*
- * Initialize the CS4350 DAC
- */
- ret = snd_ubi32_cs4350_dac_init(client, id);
- if (ret < 0) {
- /*
- * Initialization failed. Propagate the error.
- */
- return ret;
- }
-
- /*
- * Create a snd_card structure
- */
- card = snd_card_new(index, "Ubi32-CS4350", THIS_MODULE, sizeof(struct ubi32_snd_priv));
- if (card == NULL) {
- return -ENOMEM;
- }
-
- card->private_free = snd_ubi32_cs4350_free; /* Not sure if correct */
- ubi32_priv = card->private_data;
-
- /*
- * CS4350 DAC has a minimum sample rate of 30khz and an
- * upper limit of 216khz for it's auto-detect.
- */
- ubi32_priv->min_sample_rate = 30000;
- ubi32_priv->max_sample_rate = 216000;
-
- /*
- * Initialize the snd_card's private data structure
- */
- ubi32_priv->card = card;
- ubi32_priv->client = client;
-
- /*
- * Create our private data structure
- */
- cs4350_priv = kzalloc(sizeof(struct ubi32_cs4350_priv), GFP_KERNEL);
- if (!cs4350_priv) {
- snd_card_free(card);
- return -ENOMEM;
- }
- snd_ubi32_priv_set_drv(ubi32_priv, cs4350_priv);
- spin_lock_init(&cs4350_priv->lock);
-
- /*
- * Initial volume is set to max by probe function
- */
- cs4350_priv->volume[0] = 0xFF;
- cs4350_priv->volume[1] = 0xFF;
-
- /*
- * The CS4350 starts off unmuted (bit set = not muted)
- */
- cs4350_priv->mute = 3;
-
- /*
- * Create the new PCM instance
- */
- err = snd_ubi32_pcm_probe(ubi32_priv, pdev);
- if (err < 0) {
- snd_card_free(card);
- return err; /* What is err? Need to include correct file */
- }
-
- strcpy(card->driver, "Ubi32-CS4350");
- strcpy(card->shortname, "Ubi32-CS4350");
- snprintf(card->longname, sizeof(card->longname),
- "%s at sendirq=%d.%d recvirq=%d.%d regs=%p",
- card->shortname, ubi32_priv->tx_irq, ubi32_priv->irq_idx,
- ubi32_priv->rx_irq, ubi32_priv->irq_idx, ubi32_priv->adr);
-
- snd_card_set_dev(card, &client->dev);
-
- /*
- * Set up the mixer components
- */
- err = snd_ctl_add(card, snd_ctl_new1(&ubi32_cs4350_volume, ubi32_priv));
- if (err) {
- snd_printk(KERN_WARNING "Failed to add volume mixer control\n");
- }
- err = snd_ctl_add(card, snd_ctl_new1(&ubi32_cs4350_mute, ubi32_priv));
- if (err) {
- snd_printk(KERN_WARNING "Failed to add mute mixer control\n");
- }
-
- /*
- * Register the sound card
- */
- if ((err = snd_card_register(card)) != 0) {
- snd_printk(KERN_WARNING "snd_card_register error\n");
- }
-
- /*
- * Store card for access from other methods
- */
- i2c_set_clientdata(client, card);
-
- return 0;
-}
-
-/*
- * snd_ubi32_cs4350_i2c_remove
- */
-static int __devexit snd_ubi32_cs4350_i2c_remove(struct i2c_client *client)
-{
- struct snd_card *card;
- struct ubi32_snd_priv *ubi32_priv;
-
- card = i2c_get_clientdata(client);
-
- ubi32_priv = card->private_data;
- snd_ubi32_pcm_remove(ubi32_priv);
-
- snd_card_free(i2c_get_clientdata(client));
- i2c_set_clientdata(client, NULL);
-
- return 0;
-}
-
-/*
- * I2C driver description
- */
-static struct i2c_driver snd_ubi32_cs4350_driver = {
- .driver = {
- .name = DRIVER_NAME,
- .owner = THIS_MODULE,
- },
- .id_table = snd_ubi32_cs4350_id,
- .probe = snd_ubi32_cs4350_i2c_probe,
- .remove = __devexit_p(snd_ubi32_cs4350_i2c_remove),
-};
-
-/*
- * Driver init
- */
-static int __init snd_ubi32_cs4350_init(void)
-{
- return i2c_add_driver(&snd_ubi32_cs4350_driver);
-}
-module_init(snd_ubi32_cs4350_init);
-
-/*
- * snd_ubi32_cs4350_exit
- */
-static void __exit snd_ubi32_cs4350_exit(void)
-{
- i2c_del_driver(&snd_ubi32_cs4350_driver);
-}
-module_exit(snd_ubi32_cs4350_exit);
-
-/*
- * Module properties
- */
-MODULE_ALIAS("i2c:" DRIVER_NAME);
-MODULE_AUTHOR("Patrick Tjin");
-MODULE_DESCRIPTION("Driver for Ubicom32 audio devices CS4350");
-MODULE_LICENSE("GPL");
diff --git a/target/linux/ubicom32/files/sound/ubicom32/ubi32-cs4384.c b/target/linux/ubicom32/files/sound/ubicom32/ubi32-cs4384.c
deleted file mode 100644
index 2679267..0000000
--- a/target/linux/ubicom32/files/sound/ubicom32/ubi32-cs4384.c
+++ /dev/null
@@ -1,996 +0,0 @@
-/*
- * sound/ubicom32/ubi32-cs4384.c
- * Interface to ubicom32 virtual audio peripheral - using CS4384 DAC
- *
- * (C) Copyright 2009, Ubicom, Inc.
- *
- * This file is part of the Ubicom32 Linux Kernel Port.
- *
- * The Ubicom32 Linux Kernel Port is free software: you can redistribute
- * it and/or modify it under the terms of the GNU General Public License
- * as published by the Free Software Foundation, either version 2 of the
- * License, or (at your option) any later version.
- *
- * The Ubicom32 Linux Kernel Port is distributed in the hope that it
- * will be useful, but WITHOUT ANY WARRANTY; without even the implied
- * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See
- * the GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with the Ubicom32 Linux Kernel Port. If not,
- * see <http://www.gnu.org/licenses/>.
- */
-
-#include <linux/i2c.h>
-#include <linux/module.h>
-#include <linux/moduleparam.h>
-#include <linux/delay.h>
-#include <sound/core.h>
-#include <sound/tlv.h>
-#include <sound/control.h>
-#include <sound/pcm.h>
-#include <sound/initval.h>
-#include <asm/ip5000.h>
-#include <asm/gpio.h>
-#include <asm/audio.h>
-#include <asm/ubi32-cs4384.h>
-#include "ubi32.h"
-
-#define DRIVER_NAME "snd-ubi32-cs4384"
-
-/*
- * Module properties
- */
-static const struct i2c_device_id snd_ubi32_cs4384_id[] = {
- {"cs4384", 0 },
- { }
-};
-MODULE_DEVICE_TABLE(i2c, ubicom32audio_id);
-
-static int index = SNDRV_DEFAULT_IDX1; /* Index 0-MAX */
-
-/*
- * Mixer properties
- */
-enum {
- /*
- * Be careful of changing the order of these IDs, they
- * are used to index the volume array.
- */
- SND_UBI32_CS4384_FRONT_ID,
- SND_UBI32_CS4384_SURROUND_ID,
- SND_UBI32_CS4384_CENTER_ID,
- SND_UBI32_CS4384_LFE_ID,
- SND_UBI32_CS4384_REAR_ID,
-
- /*
- * This should be the last ID
- */
- SND_UBI32_CS4384_LAST_ID,
-};
-static const u8_t snd_ubi32_cs4384_ch_ofs[] = {0, 2, 4, 5, 6};
-
-static const DECLARE_TLV_DB_SCALE(snd_ubi32_cs4384_db, -12750, 50, 0);
-
-#define snd_ubi32_cs4384_info_mute snd_ctl_boolean_stereo_info
-#define snd_ubi32_cs4384_info_mute_mono snd_ctl_boolean_mono_info
-
-/*
- * Mixer controls
- */
-static int snd_ubi32_cs4384_info_volume(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo);
-static int snd_ubi32_cs4384_get_volume(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol);
-static int snd_ubi32_cs4384_put_volume(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol);
-static int snd_ubi32_cs4384_get_mute(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol);
-static int snd_ubi32_cs4384_put_mute(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol);
-
-/*
- * Make sure to update these if the structure below is changed
- */
-#define SND_UBI32_MUTE_CTL_START 5
-#define SND_UBI32_MUTE_CTL_END 9
-static struct snd_kcontrol_new snd_ubi32_cs4384_controls[] __devinitdata = {
- {
- .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
- .access = SNDRV_CTL_ELEM_ACCESS_READWRITE |
- SNDRV_CTL_ELEM_ACCESS_TLV_READ,
- .name = "Front Playback Volume",
- .info = snd_ubi32_cs4384_info_volume,
- .get = snd_ubi32_cs4384_get_volume,
- .put = snd_ubi32_cs4384_put_volume,
- .private_value = SND_UBI32_CS4384_FRONT_ID,
- .tlv = {
- .p = snd_ubi32_cs4384_db,
- },
- },
- {
- .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
- .access = SNDRV_CTL_ELEM_ACCESS_READWRITE |
- SNDRV_CTL_ELEM_ACCESS_TLV_READ,
- .name = "Surround Playback Volume",
- .info = snd_ubi32_cs4384_info_volume,
- .get = snd_ubi32_cs4384_get_volume,
- .put = snd_ubi32_cs4384_put_volume,
- .private_value = SND_UBI32_CS4384_SURROUND_ID,
- .tlv = {
- .p = snd_ubi32_cs4384_db,
- },
- },
- {
- .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
- .access = SNDRV_CTL_ELEM_ACCESS_READWRITE |
- SNDRV_CTL_ELEM_ACCESS_TLV_READ,
- .name = "Center Playback Volume",
- .info = snd_ubi32_cs4384_info_volume,
- .get = snd_ubi32_cs4384_get_volume,
- .put = snd_ubi32_cs4384_put_volume,
- .private_value = SND_UBI32_CS4384_CENTER_ID,
- .tlv = {
- .p = snd_ubi32_cs4384_db,
- },
- },
- {
- .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
- .access = SNDRV_CTL_ELEM_ACCESS_READWRITE |
- SNDRV_CTL_ELEM_ACCESS_TLV_READ,
- .name = "LFE Playback Volume",
- .info = snd_ubi32_cs4384_info_volume,
- .get = snd_ubi32_cs4384_get_volume,
- .put = snd_ubi32_cs4384_put_volume,
- .private_value = SND_UBI32_CS4384_LFE_ID,
- .tlv = {
- .p = snd_ubi32_cs4384_db,
- },
- },
- {
- .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
- .access = SNDRV_CTL_ELEM_ACCESS_READWRITE |
- SNDRV_CTL_ELEM_ACCESS_TLV_READ,
- .name = "Rear Playback Volume",
- .info = snd_ubi32_cs4384_info_volume,
- .get = snd_ubi32_cs4384_get_volume,
- .put = snd_ubi32_cs4384_put_volume,
- .private_value = SND_UBI32_CS4384_REAR_ID,
- .tlv = {
- .p = snd_ubi32_cs4384_db,
- },
- },
- {
- .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
- .access = SNDRV_CTL_ELEM_ACCESS_READWRITE |
- SNDRV_CTL_ELEM_ACCESS_TLV_READ,
- .name = "Front Playback Switch",
- .info = snd_ubi32_cs4384_info_mute,
- .get = snd_ubi32_cs4384_get_mute,
- .put = snd_ubi32_cs4384_put_mute,
- .private_value = SND_UBI32_CS4384_FRONT_ID,
- },
- {
- .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
- .access = SNDRV_CTL_ELEM_ACCESS_READWRITE |
- SNDRV_CTL_ELEM_ACCESS_TLV_READ,
- .name = "Surround Playback Switch",
- .info = snd_ubi32_cs4384_info_mute,
- .get = snd_ubi32_cs4384_get_mute,
- .put = snd_ubi32_cs4384_put_mute,
- .private_value = SND_UBI32_CS4384_SURROUND_ID,
- },
- {
- .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
- .access = SNDRV_CTL_ELEM_ACCESS_READWRITE |
- SNDRV_CTL_ELEM_ACCESS_TLV_READ,
- .name = "Center Playback Switch",
- .info = snd_ubi32_cs4384_info_mute_mono,
- .get = snd_ubi32_cs4384_get_mute,
- .put = snd_ubi32_cs4384_put_mute,
- .private_value = SND_UBI32_CS4384_CENTER_ID,
- },
- {
- .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
- .access = SNDRV_CTL_ELEM_ACCESS_READWRITE |
- SNDRV_CTL_ELEM_ACCESS_TLV_READ,
- .name = "LFE Playback Switch",
- .info = snd_ubi32_cs4384_info_mute_mono,
- .get = snd_ubi32_cs4384_get_mute,
- .put = snd_ubi32_cs4384_put_mute,
- .private_value = SND_UBI32_CS4384_LFE_ID,
- },
- {
- .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
- .access = SNDRV_CTL_ELEM_ACCESS_READWRITE |
- SNDRV_CTL_ELEM_ACCESS_TLV_READ,
- .name = "Rear Playback Switch",
- .info = snd_ubi32_cs4384_info_mute,
- .get = snd_ubi32_cs4384_get_mute,
- .put = snd_ubi32_cs4384_put_mute,
- .private_value = SND_UBI32_CS4384_REAR_ID,
- },
-};
-
-/*
- * Our private data
- */
-struct snd_ubi32_cs4384_priv {
- /*
- * Array of current volumes
- * (L, R, SL, SR, C, LFE, RL, RR)
- */
- uint8_t volume[8];
-
- /*
- * Bitmask of mutes
- * MSB (RR, RL, LFE, C, SR, SL, R, L) LSB
- */
- uint8_t mute;
-
- /*
- * Array of controls
- */
- struct snd_kcontrol *kctls[ARRAY_SIZE(snd_ubi32_cs4384_controls)];
-
- /*
- * Lock to protect our card
- */
- spinlock_t lock;
-};
-
-/*
- * snd_ubi32_cs4384_info_volume
- */
-static int snd_ubi32_cs4384_info_volume(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
-{
- unsigned int id = (unsigned int)kcontrol->private_value;
-
- uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
- uinfo->count = 1;
- if ((id != SND_UBI32_CS4384_LFE_ID) &&
- (id != SND_UBI32_CS4384_CENTER_ID)) {
- uinfo->count = 2;
- }
- uinfo->value.integer.min = 0;
- uinfo->value.integer.max = 255;
- return 0;
-}
-
-/*
- * snd_ubi32_cs4384_get_volume
- */
-static int snd_ubi32_cs4384_get_volume(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
-{
- struct ubi32_snd_priv *priv = snd_kcontrol_chip(kcontrol);
- struct snd_ubi32_cs4384_priv *cs4384_priv;
- unsigned int id = (unsigned int)kcontrol->private_value;
- int ch = snd_ubi32_cs4384_ch_ofs[id];
- unsigned long flags;
-
- if (id >= SND_UBI32_CS4384_LAST_ID) {
- return -EINVAL;
- }
-
- cs4384_priv = snd_ubi32_priv_get_drv(priv);
-
- spin_lock_irqsave(&cs4384_priv->lock, flags);
-
- ucontrol->value.integer.value[0] = cs4384_priv->volume[ch];
- if ((id != SND_UBI32_CS4384_LFE_ID) &&
- (id != SND_UBI32_CS4384_CENTER_ID)) {
- ch++;
- ucontrol->value.integer.value[1] = cs4384_priv->volume[ch];
- }
-
- spin_unlock_irqrestore(&cs4384_priv->lock, flags);
-
- return 0;
-}
-
-/*
- * snd_ubi32_cs4384_put_volume
- */
-static int snd_ubi32_cs4384_put_volume(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
-{
- struct ubi32_snd_priv *priv = snd_kcontrol_chip(kcontrol);
- struct i2c_client *client = (struct i2c_client *)priv->client;
- struct snd_ubi32_cs4384_priv *cs4384_priv;
- unsigned int id = (unsigned int)kcontrol->private_value;
- int ch = snd_ubi32_cs4384_ch_ofs[id];
- unsigned long flags;
- unsigned char send[3];
- int nch;
- int ret = -EINVAL;
-
- if (id >= SND_UBI32_CS4384_LAST_ID) {
- return -EINVAL;
- }
-
- cs4384_priv = snd_ubi32_priv_get_drv(priv);
-
- spin_lock_irqsave(&cs4384_priv->lock, flags);
-
- send[0] = 0;
- switch (id) {
- case SND_UBI32_CS4384_REAR_ID:
- send[0] = 0x06;
-
- /*
- * Fall through
- */
-
- case SND_UBI32_CS4384_SURROUND_ID:
- send[0] += 0x03;
-
- /*
- * Fall through
- */
-
- case SND_UBI32_CS4384_FRONT_ID:
- send[0] += 0x8B;
- nch = 2;
- send[1] = 255 - (ucontrol->value.integer.value[0] & 0xFF);
- send[2] = 255 - (ucontrol->value.integer.value[1] & 0xFF);
- cs4384_priv->volume[ch++] = send[1];
- cs4384_priv->volume[ch] = send[2];
- break;
-
- case SND_UBI32_CS4384_LFE_ID:
- send[0] = 0x81;
-
- /*
- * Fall through
- */
-
- case SND_UBI32_CS4384_CENTER_ID:
- send[0] += 0x11;
- nch = 1;
- send[1] = 255 - (ucontrol->value.integer.value[0] & 0xFF);
- cs4384_priv->volume[ch] = send[1];
- break;
-
- default:
- spin_unlock_irqrestore(&cs4384_priv->lock, flags);
- goto done;
-
- }
-
- /*
- * Send the volume to the chip
- */
- nch++;
- ret = i2c_master_send(client, send, nch);
- if (ret != nch) {
- snd_printk(KERN_ERR "Failed to set volume on CS4384\n");
- }
-
-done:
- spin_unlock_irqrestore(&cs4384_priv->lock, flags);
-
- return ret;
-}
-
-/*
- * snd_ubi32_cs4384_get_mute
- */
-static int snd_ubi32_cs4384_get_mute(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
-{
- struct ubi32_snd_priv *priv = snd_kcontrol_chip(kcontrol);
- struct snd_ubi32_cs4384_priv *cs4384_priv;
- unsigned int id = (unsigned int)kcontrol->private_value;
- int ch = snd_ubi32_cs4384_ch_ofs[id];
- unsigned long flags;
-
- if (id >= SND_UBI32_CS4384_LAST_ID) {
- return -EINVAL;
- }
-
- cs4384_priv = snd_ubi32_priv_get_drv(priv);
-
- spin_lock_irqsave(&cs4384_priv->lock, flags);
-
- ucontrol->value.integer.value[0] = !(cs4384_priv->mute & (1 << ch));
-
- if ((id != SND_UBI32_CS4384_LFE_ID) &&
- (id != SND_UBI32_CS4384_CENTER_ID)) {
- ch++;
- ucontrol->value.integer.value[1] = !(cs4384_priv->mute & (1 << ch));
- }
-
- spin_unlock_irqrestore(&cs4384_priv->lock, flags);
-
- return 0;
-}
-
-/*
- * snd_ubi32_cs4384_put_mute
- */
-static int snd_ubi32_cs4384_put_mute(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
-{
- struct ubi32_snd_priv *priv = snd_kcontrol_chip(kcontrol);
- struct i2c_client *client = (struct i2c_client *)priv->client;
- struct snd_ubi32_cs4384_priv *cs4384_priv;
- unsigned int id = (unsigned int)kcontrol->private_value;
- int ch = snd_ubi32_cs4384_ch_ofs[id];
- unsigned long flags;
- unsigned char send[2];
- int ret = -EINVAL;
-
- if (id >= SND_UBI32_CS4384_LAST_ID) {
- return -EINVAL;
- }
-
- cs4384_priv = snd_ubi32_priv_get_drv(priv);
-
- spin_lock_irqsave(&cs4384_priv->lock, flags);
-
- if (ucontrol->value.integer.value[0]) {
- cs4384_priv->mute &= ~(1 << ch);
- } else {
- cs4384_priv->mute |= (1 << ch);
- }
-
- if ((id != SND_UBI32_CS4384_LFE_ID) && (id != SND_UBI32_CS4384_CENTER_ID)) {
- ch++;
- if (ucontrol->value.integer.value[1]) {
- cs4384_priv->mute &= ~(1 << ch);
- } else {
- cs4384_priv->mute |= (1 << ch);
- }
- }
-
- /*
- * Update the chip's mute reigster
- */
- send[0] = 0x09;
- send[1] = cs4384_priv->mute;
- ret = i2c_master_send(client, send, 2);
- if (ret != 2) {
- snd_printk(KERN_ERR "Failed to set mute on CS4384\n");
- }
-
- spin_unlock_irqrestore(&cs4384_priv->lock, flags);
-
- return ret;
-}
-
-/*
- * snd_ubi32_cs4384_mixer
- * Setup the mixer controls
- */
-static int __devinit snd_ubi32_cs4384_mixer(struct ubi32_snd_priv *priv)
-{
- struct snd_card *card = priv->card;
- struct snd_ubi32_cs4384_priv *cs4384_priv;
- int i;
-
- cs4384_priv = snd_ubi32_priv_get_drv(priv);
- for (i = 0; i < ARRAY_SIZE(snd_ubi32_cs4384_controls); i++) {
- int err;
-
- cs4384_priv->kctls[i] = snd_ctl_new1(&snd_ubi32_cs4384_controls[i], priv);
- err = snd_ctl_add(card, cs4384_priv->kctls[i]);
- if (err) {
- snd_printk(KERN_WARNING "Failed to add control %d\n", i);
- return err;
- }
- }
- return 0;
-}
-
-/*
- * snd_ubi32_cs4384_free
- * Card private data free function
- */
-void snd_ubi32_cs4384_free(struct snd_card *card)
-{
- struct snd_ubi32_cs4384_priv *cs4384_priv;
- struct ubi32_snd_priv *ubi32_priv;
-
- ubi32_priv = card->private_data;
- cs4384_priv = snd_ubi32_priv_get_drv(ubi32_priv);
- if (cs4384_priv) {
- kfree(cs4384_priv);
- }
-}
-
-/*
- * snd_ubi32_cs4384_setup_mclk
- */
-static int snd_ubi32_cs4384_setup_mclk(struct ubi32_cs4384_platform_data *pdata)
-{
- struct ubicom32_io_port *ioa = (struct ubicom32_io_port *)RA;
- struct ubicom32_io_port *ioc = (struct ubicom32_io_port *)RC;
- struct ubicom32_io_port *iod = (struct ubicom32_io_port *)RD;
- struct ubicom32_io_port *ioe = (struct ubicom32_io_port *)RE;
- struct ubicom32_io_port *ioh = (struct ubicom32_io_port *)RH;
- unsigned int ctl0;
- unsigned int ctlx;
- unsigned int div;
-
- div = pdata->mclk_entries[0].div;
-
- ctl0 = (1 << 13);
- ctlx = ((div - 1) << 16) | (div / 2);
-
- switch (pdata->mclk_src) {
- case UBI32_CS4384_MCLK_PWM_0:
- ioc->function |= 2;
- ioc->ctl0 |= ctl0;
- ioc->ctl1 = ctlx;
- if (!ioa->function) {
- ioa->function = 3;
- }
- return 0;
-
- case UBI32_CS4384_MCLK_PWM_1:
- ioc->function |= 2;
- ioc->ctl0 |= ctl0 << 16;
- ioc->ctl2 = ctlx;
- if (!ioe->function) {
- ioe->function = 3;
- }
- return 0;
-
- case UBI32_CS4384_MCLK_PWM_2:
- ioh->ctl0 |= ctl0;
- ioh->ctl1 = ctlx;
- if (!iod->function) {
- iod->function = 3;
- }
- return 0;
-
- case UBI32_CS4384_MCLK_CLKDIV_1:
- ioa->gpio_mask &= (1 << 7);
- ioa->ctl1 &= ~(0x7F << 14);
- ioa->ctl1 |= ((div - 1) << 14);
- return 0;
-
- case UBI32_CS4384_MCLK_OTHER:
- return 0;
- }
-
- return 1;
-}
-
-/*
- * snd_ubi32_cs4384_set_rate
- */
-static int snd_ubi32_cs4384_set_rate(struct ubi32_snd_priv *priv, int rate)
-{
- struct ubi32_cs4384_platform_data *cpd = priv->pdata->priv_data;
- struct ubicom32_io_port *ioa = (struct ubicom32_io_port *)RA;
- struct ubicom32_io_port *ioc = (struct ubicom32_io_port *)RC;
- struct ubicom32_io_port *ioh = (struct ubicom32_io_port *)RH;
- unsigned int ctl;
- unsigned int div = 0;
- const u16_t mult[] = {64, 96, 128, 192, 256, 384, 512, 768, 1024};
- int i;
- int j;
-
-
- for (i = 0; i < sizeof(mult) / sizeof(u16_t); i++) {
- for (j = 0; j < cpd->n_mclk; j++) {
- if (((unsigned int)rate * (unsigned int)mult[i]) ==
- cpd->mclk_entries[j].rate) {
- div = cpd->mclk_entries[j].div;
- break;
- }
- }
- }
-
- ctl = ((div - 1) << 16) | (div / 2);
-
- switch (cpd->mclk_src) {
- case UBI32_CS4384_MCLK_PWM_0:
- ioc->ctl1 = ctl;
- return 0;
-
- case UBI32_CS4384_MCLK_PWM_1:
- ioc->ctl2 = ctl;
- return 0;
-
- case UBI32_CS4384_MCLK_PWM_2:
- ioh->ctl1 = ctl;
- return 0;
-
- case UBI32_CS4384_MCLK_CLKDIV_1:
- ioa->ctl1 &= ~(0x7F << 14);
- ioa->ctl1 |= ((div - 1) << 14);
- return 0;
-
- case UBI32_CS4384_MCLK_OTHER:
- return 0;
- }
-
- return 1;
-}
-
-/*
- * snd_ubi32_cs4384_set_channels
- * Mute unused channels
- */
-static int snd_ubi32_cs4384_set_channels(struct ubi32_snd_priv *priv, int channels)
-{
- struct i2c_client *client = (struct i2c_client *)priv->client;
- struct snd_ubi32_cs4384_priv *cs4384_priv;
- unsigned char send[2];
- int ret;
- int i;
- unsigned long flags;
-
- /*
- * Only support 0, 2, 4, 6, 8 channels
- */
- if ((channels > 8) || (channels & 1)) {
- return -EINVAL;
- }
-
- cs4384_priv = snd_ubi32_priv_get_drv(priv);
- spin_lock_irqsave(&cs4384_priv->lock, flags);
-
- /*
- * Address 09h, Mute control
- */
- send[0] = 0x09;
- send[1] = (unsigned char)(0xFF << channels);
-
- ret = i2c_master_send(client, send, 2);
-
- spin_unlock_irqrestore(&cs4384_priv->lock, flags);
-
- /*
- * Notify the system that we changed the mutes
- */
- cs4384_priv->mute = (unsigned char)(0xFF << channels);
-
- for (i = SND_UBI32_MUTE_CTL_START; i < SND_UBI32_MUTE_CTL_END; i++) {
- snd_ctl_notify(priv->card, SNDRV_CTL_EVENT_MASK_VALUE,
- &cs4384_priv->kctls[i]->id);
- }
-
- if (ret != 2) {
- return -ENXIO;
- }
-
- return 0;
-}
-
-/*
- * snd_ubi32_cs4384_dac_init
- */
-static int snd_ubi32_cs4384_dac_init(struct i2c_client *client, const struct i2c_device_id *id)
-{
- int ret;
- unsigned char send[2];
- unsigned char recv[2];
-
- /*
- * Initialize the CS4384 DAC over the I2C interface
- */
- snd_printk(KERN_INFO "Initializing CS4384 DAC\n");
-
- /*
- * Register 0x01: device/revid
- */
- send[0] = 0x01;
- ret = i2c_master_send(client, send, 1);
- if (ret != 1) {
- snd_printk(KERN_ERR "Failed 1st attempt to write to CS4384 register 0x01\n");
- goto fail;
- }
- ret = i2c_master_recv(client, recv, 1);
- if (ret != 1) {
- snd_printk(KERN_ERR "Failed initial read of CS4384 registers\n");
- goto fail;
- }
- snd_printk(KERN_INFO "CS4384 DAC Device/Rev: %08x\n", recv[0]);
-
- /*
- * Register 0x02: Mode Control 1
- * Control Port Enable, PCM, All DACs enabled, Power Down
- */
- send[0] = 0x02;
- send[1] = 0x81;
- ret = i2c_master_send(client, send, 2);
- if (ret != 2) {
- snd_printk(KERN_ERR "Failed to set CPEN CS4384\n");
- goto fail;
- }
-
- /*
- * Register 0x08: Ramp and Mute
- * RMP_UP, RMP_DN, PAMUTE, DAMUTE
- */
- send[0] = 0x08;
- send[1] = 0xBC;
- ret = i2c_master_send(client, send, 2);
- if (ret != 2) {
- snd_printk(KERN_ERR "Failed to set CPEN CS4384\n");
- goto fail;
- }
-
- /*
- * Register 0x03: PCM Control
- * I2S DIF[3:0] = 0001, no De-Emphasis, Auto speed mode
- */
- send[0] = 0x03;
- send[1] = 0x13;
- ret = i2c_master_send(client, send, 2);
- if (ret != 2) {
- snd_printk(KERN_ERR "Failed to set CS4384 to I2S mode\n");
- goto fail;
- }
-
- /*
- * Register 0x0B/0x0C: Volume control A1/B1
- * Register 0x0E/0x0F: Volume control A2/B2
- * Register 0x11/0x12: Volume control A3/B3
- * Register 0x14/0x15: Volume control A4/B4
- */
- send[0] = 0x80 | 0x0B;
- send[1] = 0x00;
- send[2] = 0x00;
- ret = i2c_master_send(client, send, 3);
- if (ret != 3) {
- snd_printk(KERN_ERR "Failed to set ch1 volume on CS4384\n");
- goto fail;
- }
-
- send[0] = 0x80 | 0x0E;
- send[1] = 0x00;
- send[2] = 0x00;
- ret = i2c_master_send(client, send, 3);
- if (ret != 3) {
- snd_printk(KERN_ERR "Failed to set ch2 volume on CS4384\n");
- goto fail;
- }
-
- send[0] = 0x80 | 0x11;
- send[1] = 0x00;
- send[2] = 0x00;
- ret = i2c_master_send(client, send, 3);
- if (ret != 3) {
- snd_printk(KERN_ERR "Failed to set ch3 volume on CS4384\n");
- goto fail;
- }
-
- send[0] = 0x80 | 0x14;
- send[1] = 0x00;
- send[2] = 0x00;
- ret = i2c_master_send(client, send, 3);
- if (ret != 3) {
- snd_printk(KERN_ERR "Failed to set ch4 volume on CS4384\n");
- goto fail;
- }
-
- /*
- * Register 09h: Mute control
- * Mute all (we will unmute channels as needed)
- */
- send[0] = 0x09;
- send[1] = 0xFF;
- ret = i2c_master_send(client, send, 2);
- if (ret != 2) {
- snd_printk(KERN_ERR "Failed to power up CS4384\n");
- goto fail;
- }
-
- /*
- * Register 0x02: Mode Control 1
- * Control Port Enable, PCM, All DACs enabled, Power Up
- */
- send[0] = 0x02;
- send[1] = 0x80;
- ret = i2c_master_send(client, send, 2);
- if (ret != 2) {
- snd_printk(KERN_ERR "Failed to power up CS4384\n");
- goto fail;
- }
-
- /*
- * Make sure the changes took place, this helps verify we are talking to
- * the correct chip.
- */
- send[0] = 0x80 | 0x03;
- ret = i2c_master_send(client, send, 1);
- if (ret != 1) {
- snd_printk(KERN_ERR "Failed to initiate readback\n");
- goto fail;
- }
-
- ret = i2c_master_recv(client, recv, 1);
- if (ret != 1) {
- snd_printk(KERN_ERR "Failed second read of CS4384 registers\n");
- goto fail;
- }
-
- if (recv[0] != 0x13) {
- snd_printk(KERN_ERR "Failed to initialize CS4384 DAC\n");
- goto fail;
- }
-
- snd_printk(KERN_INFO "CS4384 DAC Initialized\n");
- return 0;
-
-fail:
- return -ENODEV;
-}
-
-/*
- * snd_ubi32_cs4384_i2c_probe
- */
-static int snd_ubi32_cs4384_i2c_probe(struct i2c_client *client, const struct i2c_device_id *id)
-{
- struct snd_card *card;
- struct ubi32_snd_priv *ubi32_priv;
- int err, ret;
- struct platform_device *pdev;
- struct ubi32_cs4384_platform_data *pdata;
- struct snd_ubi32_cs4384_priv *cs4384_priv;
-
- /*
- * pdev is audio device
- */
- pdev = client->dev.platform_data;
- if (!pdev) {
- return -ENODEV;
- }
-
- /*
- * pdev->dev.platform_data is ubi32-pcm platform_data
- */
- pdata = audio_device_priv(pdev);
- if (!pdata) {
- return -ENODEV;
- }
-
- /*
- * Initialize the CS4384 DAC
- */
- ret = snd_ubi32_cs4384_dac_init(client, id);
- if (ret < 0) {
- /*
- * Initialization failed. Propagate the error.
- */
- return ret;
- }
-
- if (snd_ubi32_cs4384_setup_mclk(pdata)) {
- return -EINVAL;
- }
-
- /*
- * Create a snd_card structure
- */
- card = snd_card_new(index, "Ubi32-CS4384", THIS_MODULE, sizeof(struct ubi32_snd_priv));
- if (card == NULL) {
- return -ENOMEM;
- }
-
- card->private_free = snd_ubi32_cs4384_free;
- ubi32_priv = card->private_data;
-
- /*
- * Initialize the snd_card's private data structure
- */
- ubi32_priv->card = card;
- ubi32_priv->client = client;
- ubi32_priv->set_channels = snd_ubi32_cs4384_set_channels;
- ubi32_priv->set_rate = snd_ubi32_cs4384_set_rate;
-
- /*
- * CS4384 DAC has a minimum sample rate of 4khz and an
- * upper limit of 216khz for it's auto-detect.
- */
- ubi32_priv->min_sample_rate = 4000;
- ubi32_priv->max_sample_rate = 216000;
-
- /*
- * Create our private data (to manage volume, etc)
- */
- cs4384_priv = kzalloc(sizeof(struct snd_ubi32_cs4384_priv), GFP_KERNEL);
- if (!cs4384_priv) {
- snd_card_free(card);
- return -ENOMEM;
- }
- snd_ubi32_priv_set_drv(ubi32_priv, cs4384_priv);
- spin_lock_init(&cs4384_priv->lock);
-
- /*
- * We start off all muted and max volume
- */
- cs4384_priv->mute = 0xFF;
- memset(cs4384_priv->volume, 0xFF, 8);
-
- /*
- * Create the new PCM instance
- */
- err = snd_ubi32_pcm_probe(ubi32_priv, pdev);
- if (err < 0) {
- snd_card_free(card);
- return err; /* What is err? Need to include correct file */
- }
-
- strcpy(card->driver, "Ubi32-CS4384");
- strcpy(card->shortname, "Ubi32-CS4384");
- snprintf(card->longname, sizeof(card->longname),
- "%s at sendirq=%d.%d recvirq=%d.%d regs=%p",
- card->shortname, ubi32_priv->tx_irq, ubi32_priv->irq_idx,
- ubi32_priv->rx_irq, ubi32_priv->irq_idx, ubi32_priv->adr);
-
- snd_card_set_dev(card, &client->dev);
-
- /*
- * Set up the mixer
- */
- snd_ubi32_cs4384_mixer(ubi32_priv);
-
- /*
- * Register the sound card
- */
- if ((err = snd_card_register(card)) != 0) {
- snd_printk(KERN_INFO "snd_card_register error\n");
- }
-
- /*
- * Store card for access from other methods
- */
- i2c_set_clientdata(client, card);
-
- return 0;
-}
-
-/*
- * snd_ubi32_cs4384_i2c_remove
- */
-static int __devexit snd_ubi32_cs4384_i2c_remove(struct i2c_client *client)
-{
- struct snd_card *card;
- struct ubi32_snd_priv *ubi32_priv;
-
- card = i2c_get_clientdata(client);
-
- ubi32_priv = card->private_data;
- snd_ubi32_pcm_remove(ubi32_priv);
-
- snd_card_free(i2c_get_clientdata(client));
- i2c_set_clientdata(client, NULL);
-
- return 0;
-}
-
-/*
- * I2C driver description
- */
-static struct i2c_driver snd_ubi32_cs4384_driver = {
- .driver = {
- .name = DRIVER_NAME,
- .owner = THIS_MODULE,
- },
- .id_table = snd_ubi32_cs4384_id,
- .probe = snd_ubi32_cs4384_i2c_probe,
- .remove = __devexit_p(snd_ubi32_cs4384_i2c_remove),
-};
-
-/*
- * Driver init
- */
-static int __init snd_ubi32_cs4384_init(void)
-{
- return i2c_add_driver(&snd_ubi32_cs4384_driver);
-}
-module_init(snd_ubi32_cs4384_init);
-
-/*
- * snd_ubi32_cs4384_exit
- */
-static void __exit snd_ubi32_cs4384_exit(void)
-{
- i2c_del_driver(&snd_ubi32_cs4384_driver);
-}
-module_exit(snd_ubi32_cs4384_exit);
-
-/*
- * Module properties
- */
-MODULE_ALIAS("i2c:" DRIVER_NAME);
-MODULE_AUTHOR("Patrick Tjin");
-MODULE_DESCRIPTION("Driver for Ubicom32 audio devices CS4384");
-MODULE_LICENSE("GPL");
diff --git a/target/linux/ubicom32/files/sound/ubicom32/ubi32-generic-capture.c b/target/linux/ubicom32/files/sound/ubicom32/ubi32-generic-capture.c
deleted file mode 100644
index a911cc6..0000000
--- a/target/linux/ubicom32/files/sound/ubicom32/ubi32-generic-capture.c
+++ /dev/null
@@ -1,167 +0,0 @@
-/*
- * sound/ubicom32/ubi32-generic-capture.c
- * Interface to ubicom32 virtual audio peripheral
- *
- * (C) Copyright 2009, Ubicom, Inc.
- *
- * This file is part of the Ubicom32 Linux Kernel Port.
- *
- * The Ubicom32 Linux Kernel Port is free software: you can redistribute
- * it and/or modify it under the terms of the GNU General Public License
- * as published by the Free Software Foundation, either version 2 of the
- * License, or (at your option) any later version.
- *
- * The Ubicom32 Linux Kernel Port is distributed in the hope that it
- * will be useful, but WITHOUT ANY WARRANTY; without even the implied
- * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See
- * the GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with the Ubicom32 Linux Kernel Port. If not,
- * see <http://www.gnu.org/licenses/>.
- *
- * Ubicom32 implementation derived from (with many thanks):
- * arch/m68knommu
- * arch/blackfin
- * arch/parisc
- */
-
-#include <linux/platform_device.h>
-#include <linux/module.h>
-#include <linux/moduleparam.h>
-#include <sound/core.h>
-#include <sound/pcm.h>
-#include <sound/initval.h>
-#include "ubi32.h"
-
-#define DRIVER_NAME "snd-ubi32-generic-capture"
-
-/*
- * Module properties
- */
-static int index = SNDRV_DEFAULT_IDX1; /* Index 0-MAX */
-
-/*
- * Card private data free function
- */
-void snd_ubi32_generic_capture_free(struct snd_card *card)
-{
- /*
- * Free all the fields in the snd_ubi32_priv struct
- */
- // Nothing to free at this time because ubi32_priv just maintains pointers
-}
-
-/*
- * Ubicom audio driver probe() method. Args change depending on whether we use
- * platform_device or i2c_device.
- */
-static int snd_ubi32_generic_capture_probe(struct platform_device *dev)
-{
- struct snd_card *card;
- struct ubi32_snd_priv *ubi32_priv;
- int err;
-
- /*
- * Create a snd_card structure
- */
- card = snd_card_new(index, "Ubi32-Generic-C", THIS_MODULE, sizeof(struct ubi32_snd_priv));
-
- if (card == NULL) {
- return -ENOMEM;
- }
-
- card->private_free = snd_ubi32_generic_capture_free; /* Not sure if correct */
- ubi32_priv = card->private_data;
-
- /*
- * Initialize the snd_card's private data structure
- */
- ubi32_priv->card = card;
- ubi32_priv->is_capture = 1;
-
- /*
- * Create the new PCM instance
- */
- err = snd_ubi32_pcm_probe(ubi32_priv, dev);
- if (err < 0) {
- snd_card_free(card);
- return err;
- }
-
- strcpy(card->driver, "Ubi32-Generic-C");
- strcpy(card->shortname, "Ubi32-Generic-C");
- snprintf(card->longname, sizeof(card->longname),
- "%s at sendirq=%d.%d recvirq=%d.%d regs=%p",
- card->shortname, ubi32_priv->tx_irq, ubi32_priv->irq_idx,
- ubi32_priv->rx_irq, ubi32_priv->irq_idx, ubi32_priv->adr);
-
- snd_card_set_dev(card, &dev->dev);
-
- /* Register the sound card */
- if ((err = snd_card_register(card)) != 0) {
- snd_printk(KERN_INFO "snd_card_register error\n");
- }
-
- /* Store card for access from other methods */
- platform_set_drvdata(dev, card);
-
- return 0;
-}
-
-/*
- * Ubicom audio driver remove() method
- */
-static int __devexit snd_ubi32_generic_capture_remove(struct platform_device *dev)
-{
- struct snd_card *card;
- struct ubi32_snd_priv *ubi32_priv;
-
- card = platform_get_drvdata(dev);
- ubi32_priv = card->private_data;
- snd_ubi32_pcm_remove(ubi32_priv);
-
- snd_card_free(platform_get_drvdata(dev));
- platform_set_drvdata(dev, NULL);
- return 0;
-}
-
-/*
- * Platform driver definition
- */
-static struct platform_driver snd_ubi32_generic_capture_driver = {
- .driver = {
- .name = DRIVER_NAME,
- .owner = THIS_MODULE,
- },
- .probe = snd_ubi32_generic_capture_probe,
- .remove = __devexit_p(snd_ubi32_generic_capture_remove),
-};
-
-/*
- * snd_ubi32_generic_capture_init
- */
-static int __init snd_ubi32_generic_capture_init(void)
-{
- return platform_driver_register(&snd_ubi32_generic_capture_driver);
-}
-module_init(snd_ubi32_generic_capture_init);
-
-/*
- * snd_ubi32_generic_capture_exit
- */
-static void __exit snd_ubi32_generic_capture_exit(void)
-{
- platform_driver_unregister(&snd_ubi32_generic_capture_driver);
-}
-module_exit(snd_ubi32_generic_capture_exit);
-
-/*
- * Module properties
- */
-//#if defined(CONFIG_SND_UBI32_AUDIO_I2C)
-//MODULE_ALIAS("i2c:snd-ubi32");
-//#endif
-MODULE_AUTHOR("Patrick Tjin");
-MODULE_DESCRIPTION("Driver for Ubicom32 audio devices");
-MODULE_LICENSE("GPL");
diff --git a/target/linux/ubicom32/files/sound/ubicom32/ubi32-generic.c b/target/linux/ubicom32/files/sound/ubicom32/ubi32-generic.c
deleted file mode 100644
index eee6066..0000000
--- a/target/linux/ubicom32/files/sound/ubicom32/ubi32-generic.c
+++ /dev/null
@@ -1,166 +0,0 @@
-/*
- * sound/ubicom32/ubi32-generic.c
- * Interface to ubicom32 virtual audio peripheral
- *
- * (C) Copyright 2009, Ubicom, Inc.
- *
- * This file is part of the Ubicom32 Linux Kernel Port.
- *
- * The Ubicom32 Linux Kernel Port is free software: you can redistribute
- * it and/or modify it under the terms of the GNU General Public License
- * as published by the Free Software Foundation, either version 2 of the
- * License, or (at your option) any later version.
- *
- * The Ubicom32 Linux Kernel Port is distributed in the hope that it
- * will be useful, but WITHOUT ANY WARRANTY; without even the implied
- * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See
- * the GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with the Ubicom32 Linux Kernel Port. If not,
- * see <http://www.gnu.org/licenses/>.
- *
- * Ubicom32 implementation derived from (with many thanks):
- * arch/m68knommu
- * arch/blackfin
- * arch/parisc
- */
-
-#include <linux/platform_device.h>
-#include <linux/module.h>
-#include <linux/moduleparam.h>
-#include <sound/core.h>
-#include <sound/pcm.h>
-#include <sound/initval.h>
-#include "ubi32.h"
-
-#define DRIVER_NAME "snd-ubi32-generic"
-
-/*
- * Module properties
- */
-static int index = SNDRV_DEFAULT_IDX1; /* Index 0-MAX */
-
-/*
- * Card private data free function
- */
-void snd_ubi32_generic_free(struct snd_card *card)
-{
- /*
- * Free all the fields in the snd_ubi32_priv struct
- */
- // Nothing to free at this time because ubi32_priv just maintains pointers
-}
-
-/*
- * Ubicom audio driver probe() method. Args change depending on whether we use
- * platform_device or i2c_device.
- */
-static int snd_ubi32_generic_probe(struct platform_device *dev)
-{
- struct snd_card *card;
- struct ubi32_snd_priv *ubi32_priv;
- int err;
-
- /*
- * Create a snd_card structure
- */
- card = snd_card_new(index, "Ubi32-Generic", THIS_MODULE, sizeof(struct ubi32_snd_priv));
-
- if (card == NULL) {
- return -ENOMEM;
- }
-
- card->private_free = snd_ubi32_generic_free; /* Not sure if correct */
- ubi32_priv = card->private_data;
-
- /*
- * Initialize the snd_card's private data structure
- */
- ubi32_priv->card = card;
-
- /*
- * Create the new PCM instance
- */
- err = snd_ubi32_pcm_probe(ubi32_priv, dev);
- if (err < 0) {
- snd_card_free(card);
- return err;
- }
-
- strcpy(card->driver, "Ubi32-Generic");
- strcpy(card->shortname, "Ubi32-Generic");
- snprintf(card->longname, sizeof(card->longname),
- "%s at sendirq=%d.%d recvirq=%d.%d regs=%p",
- card->shortname, ubi32_priv->tx_irq, ubi32_priv->irq_idx,
- ubi32_priv->rx_irq, ubi32_priv->irq_idx, ubi32_priv->adr);
-
- snd_card_set_dev(card, &dev->dev);
-
- /* Register the sound card */
- if ((err = snd_card_register(card)) != 0) {
- snd_printk(KERN_INFO "snd_card_register error\n");
- }
-
- /* Store card for access from other methods */
- platform_set_drvdata(dev, card);
-
- return 0;
-}
-
-/*
- * Ubicom audio driver remove() method
- */
-static int __devexit snd_ubi32_generic_remove(struct platform_device *dev)
-{
- struct snd_card *card;
- struct ubi32_snd_priv *ubi32_priv;
-
- card = platform_get_drvdata(dev);
- ubi32_priv = card->private_data;
- snd_ubi32_pcm_remove(ubi32_priv);
-
- snd_card_free(platform_get_drvdata(dev));
- platform_set_drvdata(dev, NULL);
- return 0;
-}
-
-/*
- * Platform driver definition
- */
-static struct platform_driver snd_ubi32_generic_driver = {
- .driver = {
- .name = DRIVER_NAME,
- .owner = THIS_MODULE,
- },
- .probe = snd_ubi32_generic_probe,
- .remove = __devexit_p(snd_ubi32_generic_remove),
-};
-
-/*
- * snd_ubi32_generic_init
- */
-static int __init snd_ubi32_generic_init(void)
-{
- return platform_driver_register(&snd_ubi32_generic_driver);
-}
-module_init(snd_ubi32_generic_init);
-
-/*
- * snd_ubi32_generic_exit
- */
-static void __exit snd_ubi32_generic_exit(void)
-{
- platform_driver_unregister(&snd_ubi32_generic_driver);
-}
-module_exit(snd_ubi32_generic_exit);
-
-/*
- * Module properties
- */
-//#if defined(CONFIG_SND_UBI32_AUDIO_I2C)
-//MODULE_ALIAS("i2c:snd-ubi32");
-//#endif
-MODULE_AUTHOR("Aaron Jow, Patrick Tjin");
-MODULE_DESCRIPTION("Driver for Ubicom32 audio devices");
-MODULE_LICENSE("GPL");
diff --git a/target/linux/ubicom32/files/sound/ubicom32/ubi32-pcm.c b/target/linux/ubicom32/files/sound/ubicom32/ubi32-pcm.c
deleted file mode 100644
index 2bc300b..0000000
--- a/target/linux/ubicom32/files/sound/ubicom32/ubi32-pcm.c
+++ /dev/null
@@ -1,711 +0,0 @@
-/*
- * sound/ubicom32/ubi32-pcm.c
- * Interface to ubicom32 virtual audio peripheral
- *
- * (C) Copyright 2009, Ubicom, Inc.
- *
- * This file is part of the Ubicom32 Linux Kernel Port.
- *
- * The Ubicom32 Linux Kernel Port is free software: you can redistribute
- * it and/or modify it under the terms of the GNU General Public License
- * as published by the Free Software Foundation, either version 2 of the
- * License, or (at your option) any later version.
- *
- * The Ubicom32 Linux Kernel Port is distributed in the hope that it
- * will be useful, but WITHOUT ANY WARRANTY; without even the implied
- * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See
- * the GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with the Ubicom32 Linux Kernel Port. If not,
- * see <http://www.gnu.org/licenses/>.
- *
- * Ubicom32 implementation derived from (with many thanks):
- * arch/m68knommu
- * arch/blackfin
- * arch/parisc
- */
-
-#include <linux/interrupt.h>
-#include <sound/core.h>
-#include <sound/pcm.h>
-#include <sound/pcm_params.h>
-#include <asm/ip5000.h>
-#include <asm/ubi32-pcm.h>
-#include <linux/dma-mapping.h>
-#include <linux/delay.h>
-#include "ubi32.h"
-
-struct ubi32_snd_runtime_data {
- dma_addr_t dma_buffer; /* Physical address of DMA buffer */
- dma_addr_t dma_buffer_end; /* First address beyond end of DMA buffer */
- size_t period_size;
- dma_addr_t period_ptr; /* Physical address of next period */
- unsigned int flags;
-};
-
-static void snd_ubi32_vp_int_set(struct snd_pcm *pcm)
-{
- struct ubi32_snd_priv *ubi32_priv = pcm->private_data;
- ubi32_priv->ar->int_req |= (1 << ubi32_priv->irq_idx);
- ubicom32_set_interrupt(ubi32_priv->tx_irq);
-}
-
-static snd_pcm_uframes_t snd_ubi32_pcm_pointer(struct snd_pcm_substream *substream)
-{
-
- struct ubi32_snd_priv *ubi32_priv = snd_pcm_substream_chip(substream);
- struct audio_dev_regs *adr = ubi32_priv->adr;
- struct snd_pcm_runtime *runtime = substream->runtime;
- struct ubi32_snd_runtime_data *ubi32_rd = substream->runtime->private_data;
-
- dma_addr_t read_pos;
-
- snd_pcm_uframes_t frames;
- if (!adr->primary_os_buffer_ptr) {
- /*
- * If primary_os_buffer_ptr is NULL (e.g. right after the HW is started or
- * when the HW is stopped), then handle this case separately.
- */
- return 0;
- }
-
- read_pos = (dma_addr_t)adr->primary_os_buffer_ptr;
- frames = bytes_to_frames(runtime, read_pos - ubi32_rd->dma_buffer);
- if (frames == runtime->buffer_size) {
- frames = 0;
- }
- return frames;
-}
-
-/*
- * Audio trigger
- */
-static int snd_ubi32_pcm_trigger(struct snd_pcm_substream *substream, int cmd)
-{
- struct ubi32_snd_priv *ubi32_priv = substream->pcm->private_data;
- struct audio_dev_regs *adr = ubi32_priv->adr;
- struct ubi32_snd_runtime_data *ubi32_rd = substream->runtime->private_data;
- int ret = 0;
-
-#ifdef CONFIG_SND_DEBUG
- snd_printk(KERN_INFO "snd_ubi32_pcm_trigger cmd=%d=", cmd);
-#endif
-
- if (adr->command != AUDIO_CMD_NONE) {
- snd_printk(KERN_WARNING "Can't send command to audio device at this time\n");
- // Set a timer to call this function back later. How to do this?
- return 0;
- }
-
- /*
- * Set interrupt flag to indicate that we interrupted audio device
- * to send a command
- */
-
- switch (cmd) {
- case SNDRV_PCM_TRIGGER_START:
-
-#ifdef CONFIG_SND_DEBUG
- snd_printk(KERN_INFO "START\n");
-#endif
- /*
- * Ready the DMA transfer
- */
- ubi32_rd->period_ptr = ubi32_rd->dma_buffer;
-
-#ifdef CONFIG_SND_DEBUG
- snd_printk(KERN_INFO "trigger period_ptr=%lx\n", (unsigned long)ubi32_rd->period_ptr);
-#endif
- adr->dma_xfer_requests[0].ptr = (void *)ubi32_rd->period_ptr;
- adr->dma_xfer_requests[0].ctr = ubi32_rd->period_size;
- adr->dma_xfer_requests[0].active = 1;
-
-#ifdef CONFIG_SND_DEBUG
- snd_printk(KERN_INFO "xfer_request 0 ptr=0x%x ctr=%u\n", ubi32_rd->period_ptr, ubi32_rd->period_size);
-#endif
-
- ubi32_rd->period_ptr += ubi32_rd->period_size;
- adr->dma_xfer_requests[1].ptr = (void *)ubi32_rd->period_ptr;
- adr->dma_xfer_requests[1].ctr = ubi32_rd->period_size;
- adr->dma_xfer_requests[1].active = 1;
-
-#ifdef CONFIG_SND_DEBUG
- snd_printk(KERN_INFO "xfer_request 1 ptr=0x%x ctr=%u\n", ubi32_rd->period_ptr, ubi32_rd->period_size);
-#endif
-
- /*
- * Tell the VP that we want to begin playback by filling in the
- * command field and then interrupting the audio VP
- */
- adr->int_flags |= AUDIO_INT_FLAG_COMMAND;
- adr->command = AUDIO_CMD_START;
- snd_ubi32_vp_int_set(substream->pcm);
- break;
-
- case SNDRV_PCM_TRIGGER_STOP:
-
-#ifdef CONFIG_SND_DEBUG
- snd_printk(KERN_INFO "STOP\n");
-#endif
-
- /*
- * Tell the VP that we want to stop playback by filling in the
- * command field and then interrupting the audio VP
- */
- adr->int_flags |= AUDIO_INT_FLAG_COMMAND;
- adr->command = AUDIO_CMD_STOP;
- snd_ubi32_vp_int_set(substream->pcm);
- break;
-
- case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
-
-#ifdef CONFIG_SND_DEBUG
- snd_printk(KERN_INFO "PAUSE_PUSH\n");
-#endif
-
- /*
- * Tell the VP that we want to pause playback by filling in the
- * command field and then interrupting the audio VP
- */
- adr->int_flags |= AUDIO_INT_FLAG_COMMAND;
- adr->command = AUDIO_CMD_PAUSE;
- snd_ubi32_vp_int_set(substream->pcm);
- break;
-
- case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
-
-#ifdef CONFIG_SND_DEBUG
- snd_printk(KERN_INFO "PAUSE_RELEASE\n");
-#endif
- /*
- * Tell the VP that we want to resume paused playback by filling
- * in the command field and then interrupting the audio VP
- */
- adr->int_flags |= AUDIO_INT_FLAG_COMMAND;
- adr->command = AUDIO_CMD_RESUME;
- snd_ubi32_vp_int_set(substream->pcm);
- break;
-
- default:
- snd_printk(KERN_WARNING "Unhandled trigger\n");
- ret = -EINVAL;
- break;
- }
-
- return ret;
-}
-
-/*
- * Prepare to transfer an audio stream to the codec
- */
-static int snd_ubi32_pcm_prepare(struct snd_pcm_substream *substream)
-{
- /*
- * Configure registers and setup the runtime instance for DMA transfers
- */
- struct ubi32_snd_priv *ubi32_priv = substream->pcm->private_data;
- struct audio_dev_regs *adr = ubi32_priv->adr;
-
-#ifdef CONFIG_SND_DEBUG
- snd_printk(KERN_INFO "snd_ubi32_pcm_prepare: sending STOP command to audio device\n");
-#endif
-
- /*
- * Make sure the audio device is stopped
- */
-
- /*
- * Set interrupt flag to indicate that we interrupted audio device
- * to send a command
- */
- adr->int_flags |= AUDIO_INT_FLAG_COMMAND;
- adr->command = AUDIO_CMD_STOP;
- snd_ubi32_vp_int_set(substream->pcm);
-
- return 0;
-}
-
-/*
- * Allocate DMA buffers from preallocated memory.
- * Preallocation was done in snd_ubi32_pcm_new()
- */
-static int snd_ubi32_pcm_hw_params(struct snd_pcm_substream *substream,
- struct snd_pcm_hw_params *hw_params)
-{
- struct snd_pcm_runtime *runtime = substream->runtime;
- struct ubi32_snd_priv *ubi32_priv = substream->pcm->private_data;
- struct audio_dev_regs *adr = ubi32_priv->adr;
- struct ubi32_snd_runtime_data *ubi32_rd = substream->runtime->private_data;
-
- /*
- * Use pre-allocated memory from ubi32_snd_pcm_new() to satisfy
- * this memory request.
- */
- int ret = snd_pcm_lib_malloc_pages(substream, params_buffer_bytes(hw_params));
- if (ret < 0) {
- return ret;
- }
-
-#ifdef CONFIG_SND_DEBUG
- snd_printk(KERN_INFO "snd_ubi32_pcm_hw_params\n");
-#endif
-
- if (!(adr->channel_mask & (1 << params_channels(hw_params)))) {
- snd_printk(KERN_INFO "snd_ubi32_pcm_hw_params unsupported number of channels %d mask %08x\n", params_channels(hw_params), adr->channel_mask);
- return -EINVAL;
- }
-
- if (ubi32_priv->set_channels) {
- int ret = ubi32_priv->set_channels(ubi32_priv, params_channels(hw_params));
- if (ret) {
- snd_printk(KERN_WARNING "Unable to set channels to %d, ret=%d\n", params_channels(hw_params), ret);
- return ret;
- }
- }
-
- if (ubi32_priv->set_rate) {
- int ret = ubi32_priv->set_rate(ubi32_priv, params_rate(hw_params));
- if (ret) {
- snd_printk(KERN_WARNING "Unable to set rate to %d, ret=%d\n", params_rate(hw_params), ret);
- return ret;
- }
- }
-
- if (ubi32_priv->pdata->set_rate) {
- int ret = ubi32_priv->pdata->set_rate(ubi32_priv->pdata->appdata, params_rate(hw_params));
- if (ret) {
- snd_printk(KERN_WARNING "Unable to set rate to %d, ret=%d\n", params_rate(hw_params), ret);
- return ret;
- }
- }
-
- if (adr->command != AUDIO_CMD_NONE) {
- snd_printk(KERN_WARNING "snd_ubi32_pcm_hw_params: tio busy\n");
- return -EAGAIN;
- }
-
- if (params_format(hw_params) == SNDRV_PCM_FORMAT_S16_LE) {
- adr->flags |= CMD_START_FLAG_LE;
- } else {
- adr->flags &= ~CMD_START_FLAG_LE;
- }
- adr->channels = params_channels(hw_params);
- adr->sample_rate = params_rate(hw_params);
- adr->command = AUDIO_CMD_SETUP;
- adr->int_flags |= AUDIO_INT_FLAG_COMMAND;
- snd_ubi32_vp_int_set(substream->pcm);
-
- /*
- * Wait for the command to complete
- */
- while (adr->command != AUDIO_CMD_NONE) {
- udelay(1);
- }
-
- /*
- * Put the DMA info into the DMA descriptor that we will
- * use to do transfers to our audio VP "hardware"
- */
-
- /*
- * Mark both DMA transfers as not ready/inactive
- */
- adr->dma_xfer_requests[0].active = 0;
- adr->dma_xfer_requests[1].active = 0;
-
- /*
- * Put the location of the buffer into the runtime data instance
- */
- ubi32_rd->dma_buffer = (dma_addr_t)runtime->dma_area;
- ubi32_rd->dma_buffer_end = (dma_addr_t)(runtime->dma_area + runtime->dma_bytes);
-
- /*
- * Get the period size
- */
- ubi32_rd->period_size = params_period_bytes(hw_params);
-
-#ifdef CONFIG_SND_DEBUG
- snd_printk(KERN_INFO "DMA for ubi32 audio initialized dma_area=0x%x dma_bytes=%d, period_size=%d\n", (unsigned int)runtime->dma_area, (unsigned int)runtime->dma_bytes, ubi32_rd->period_size);
- snd_printk(KERN_INFO "Private buffer ubi32_rd: dma_buffer=0x%x dma_buffer_end=0x%x ret=%d\n", ubi32_rd->dma_buffer, ubi32_rd->dma_buffer_end, ret);
-#endif
-
- return ret;
-}
-
-/*
- * This is the reverse of snd_ubi32_pcm_hw_params
- */
-static int snd_ubi32_pcm_hw_free(struct snd_pcm_substream *substream)
-{
-#ifdef CONFIG_SND_DEBUG
- snd_printk(KERN_INFO "snd_ubi32_pcm_hw_free\n");
-#endif
- return snd_pcm_lib_free_pages(substream);
-}
-
-/*
- * Audio virtual peripheral capabilities (capture and playback are identical)
- */
-static struct snd_pcm_hardware snd_ubi32_pcm_hw =
-{
- .info = (SNDRV_PCM_INFO_INTERLEAVED | SNDRV_PCM_INFO_BLOCK_TRANSFER |
- SNDRV_PCM_INFO_PAUSE | SNDRV_PCM_INFO_RESUME),
- .buffer_bytes_max = (64*1024),
- .period_bytes_min = 64,
- .period_bytes_max = 8184,//8184,//8176,
- .periods_min = 2,
- .periods_max = 255,
- .fifo_size = 0, // THIS IS IGNORED BY ALSA
-};
-
-/*
- * We fill this in later
- */
-static struct snd_pcm_hw_constraint_list ubi32_pcm_rates;
-
-/*
- * snd_ubi32_pcm_close
- */
-static int snd_ubi32_pcm_close(struct snd_pcm_substream *substream)
-{
- /* Disable codec, stop DMA, free private data structures */
- //struct ubi32_snd_priv *ubi32_priv = snd_pcm_substream_chip(substream);
- struct ubi32_snd_runtime_data *ubi32_rd = substream->runtime->private_data;
-
-#ifdef CONFIG_SND_DEBUG
- snd_printk(KERN_INFO "snd_ubi32_pcm_close\n");
-#endif
-
- substream->runtime->private_data = NULL;
-
- kfree(ubi32_rd);
-
- return 0;
-}
-
-/*
- * snd_ubi32_pcm_open
- */
-static int snd_ubi32_pcm_open(struct snd_pcm_substream *substream)
-{
- struct snd_pcm_runtime *runtime = substream->runtime;
- struct ubi32_snd_runtime_data *ubi32_rd;
- int ret = 0;
-
-#ifdef CONFIG_SND_DEBUG
- snd_printk(KERN_INFO "ubi32 pcm open\n");
-#endif
-
- /* Associate capabilities with component */
- runtime->hw = snd_ubi32_pcm_hw;
-
- /*
- * Inform ALSA about constraints of the audio device
- */
- ret = snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_RATE, &ubi32_pcm_rates);
- if (ret < 0) {
- snd_printk(KERN_INFO "invalid rate\n");
- goto out;
- }
-
- /* Force the buffer size to be an integer multiple of period size */
- ret = snd_pcm_hw_constraint_integer(runtime, SNDRV_PCM_HW_PARAM_PERIODS);
- if (ret < 0) {
- snd_printk(KERN_INFO "invalid period\n");
- goto out;
- }
- /* Initialize structures/registers */
- ubi32_rd = kzalloc(sizeof(struct ubi32_snd_runtime_data), GFP_KERNEL);
- if (ubi32_rd == NULL) {
- ret = -ENOMEM;
- goto out;
- }
-
- runtime->private_data = ubi32_rd;
-
-#ifdef CONFIG_SND_DEBUG
- snd_printk(KERN_INFO "snd_ubi32_pcm_open returned 0\n");
-#endif
-
- return 0;
-out:
-#ifdef CONFIG_SND_DEBUG
- snd_printk(KERN_INFO "snd_ubi32_pcm_open returned %d\n", ret);
-#endif
-
- return ret;
-}
-
-static struct snd_pcm_ops snd_ubi32_pcm_ops = {
- .open = snd_ubi32_pcm_open, /* Open */
- .close = snd_ubi32_pcm_close, /* Close */
- .ioctl = snd_pcm_lib_ioctl, /* Generic IOCTL handler */
- .hw_params = snd_ubi32_pcm_hw_params, /* Hardware parameters/capabilities */
- .hw_free = snd_ubi32_pcm_hw_free, /* Free function for hw_params */
- .prepare = snd_ubi32_pcm_prepare,
- .trigger = snd_ubi32_pcm_trigger,
- .pointer = snd_ubi32_pcm_pointer,
-};
-
-/*
- * Interrupt handler that gets called when the audio device
- * interrupts Linux
- */
-static irqreturn_t snd_ubi32_pcm_interrupt(int irq, void *appdata)
-{
- struct snd_pcm *pcm = (struct snd_pcm *)appdata;
- struct ubi32_snd_priv *ubi32_priv = pcm->private_data;
- struct audio_dev_regs *adr = ubi32_priv->adr;
- struct snd_pcm_substream *substream;
- struct ubi32_snd_runtime_data *ubi32_rd;
- int dma_to_fill = 0;
-
- /*
- * Check to see if the interrupt is for us
- */
- if (!(ubi32_priv->ar->int_status & (1 << ubi32_priv->irq_idx))) {
- return IRQ_NONE;
- }
-
- /*
- * Clear the interrupt
- */
- ubi32_priv->ar->int_status &= ~(1 << ubi32_priv->irq_idx);
-
- /*
- * We only have one stream since we don't mix. Therefore
- * we don't need to search through substreams.
- */
- if (ubi32_priv->is_capture) {
- substream = pcm->streams[SNDRV_PCM_STREAM_CAPTURE].substream;
- } else {
- substream = pcm->streams[SNDRV_PCM_STREAM_PLAYBACK].substream;
- }
-
- if (!substream->runtime) {
- snd_printk(KERN_WARNING "No runtime data\n");
- return IRQ_NONE;
- }
-
- ubi32_rd = substream->runtime->private_data;
-
-#ifdef CONFIG_SND_DEBUG
- snd_printk(KERN_INFO "Ubi32 ALSA interrupt\n");
-#endif
-
- if (ubi32_rd == NULL) {
- snd_printk(KERN_WARNING "No private data\n");
- return IRQ_NONE;
- }
-
- // Check interrupt cause
- if (0) {
- // Handle the underflow case
- } else if ((adr->status & AUDIO_STATUS_PLAY_DMA0_REQUEST) ||
- (adr->status & AUDIO_STATUS_PLAY_DMA1_REQUEST)) {
- if (adr->status & AUDIO_STATUS_PLAY_DMA0_REQUEST) {
- dma_to_fill = 0;
- adr->status &= ~AUDIO_STATUS_PLAY_DMA0_REQUEST;
- } else if (adr->status & AUDIO_STATUS_PLAY_DMA1_REQUEST) {
- dma_to_fill = 1;
- adr->status &= ~AUDIO_STATUS_PLAY_DMA1_REQUEST;
- }
- ubi32_rd->period_ptr += ubi32_rd->period_size;
- if (ubi32_rd->period_ptr >= ubi32_rd->dma_buffer_end) {
- ubi32_rd->period_ptr = ubi32_rd->dma_buffer;
- }
- adr->dma_xfer_requests[dma_to_fill].ptr = (void *)ubi32_rd->period_ptr;
- adr->dma_xfer_requests[dma_to_fill].ctr = ubi32_rd->period_size;
- adr->dma_xfer_requests[dma_to_fill].active = 1;
-#ifdef CONFIG_SND_DEBUG
- snd_printk(KERN_INFO "xfer_request %d ptr=0x%x ctr=%u\n", dma_to_fill, ubi32_rd->period_ptr, ubi32_rd->period_size);
-#endif
- adr->int_flags |= AUDIO_INT_FLAG_MORE_SAMPLES;
- snd_ubi32_vp_int_set(substream->pcm);
- }
- // If we are interrupted by the VP, that means we completed
- // processing one period of audio. We need to inform the upper
- // layers of ALSA of this.
- snd_pcm_period_elapsed(substream);
-
- return IRQ_HANDLED;
-}
-
-void __devexit snd_ubi32_pcm_remove(struct ubi32_snd_priv *ubi32_priv)
-{
- struct snd_pcm *pcm = ubi32_priv->pcm;
- free_irq(ubi32_priv->rx_irq, pcm);
-}
-
-#if SNDRV_PCM_RATE_5512 != 1 << 0 || SNDRV_PCM_RATE_192000 != 1 << 12
-#error "Change this table to match pcm.h"
-#endif
-static unsigned int rates[] __initdata = {5512, 8000, 11025, 16000, 22050,
- 32000, 44100, 48000, 64000, 88200,
- 96000, 176400, 192000};
-
-/*
- * snd_ubi32_pcm_probe
- */
-int __devinit snd_ubi32_pcm_probe(struct ubi32_snd_priv *ubi32_priv, struct platform_device *pdev)
-{
- struct snd_pcm *pcm;
- int ret, err;
- int i;
- int j;
- int nrates;
- unsigned int rate_max = 0;
- unsigned int rate_min = 0xFFFFFFFF;
- unsigned int rate_mask = 0;
- struct audio_dev_regs *adr;
- struct resource *res_adr;
- struct resource *res_irq_tx;
- struct resource *res_irq_rx;
- struct ubi32pcm_platform_data *pdata;
-
- pdata = pdev->dev.platform_data;
- if (!pdata) {
- return -ENODEV;
- }
-
- /*
- * Get our resources, adr is the hardware driver base address
- * and the tx and rx irqs are used to communicate with the
- * hardware driver.
- */
- res_adr = platform_get_resource(pdev, IORESOURCE_MEM, AUDIO_MEM_RESOURCE);
- res_irq_tx = platform_get_resource(pdev, IORESOURCE_IRQ, AUDIO_TX_IRQ_RESOURCE);
- res_irq_rx = platform_get_resource(pdev, IORESOURCE_IRQ, AUDIO_RX_IRQ_RESOURCE);
- if (!res_adr || !res_irq_tx || !res_irq_rx) {
- snd_printk(KERN_WARNING "Could not get resources");
- return -ENODEV;
- }
-
- ubi32_priv->ar = (struct audio_regs *)res_adr->start;
- ubi32_priv->tx_irq = res_irq_tx->start;
- ubi32_priv->rx_irq = res_irq_rx->start;
- ubi32_priv->irq_idx = pdata->inst_num;
- ubi32_priv->adr = &(ubi32_priv->ar->adr[pdata->inst_num]);
-
- /*
- * Check the version
- */
- adr = ubi32_priv->adr;
- if (adr->version != AUDIO_DEV_REGS_VERSION) {
- snd_printk(KERN_WARNING "This audio_dev_reg is not compatible with this driver\n");
- return -ENODEV;
- }
-
- /*
- * Find out the standard rates, also find max and min rates
- */
- for (i = 0; i < ARRAY_SIZE(rates); i++) {
- int found = 0;
- for (j = 0; j < adr->n_sample_rates; j++) {
- if (rates[i] == adr->sample_rates[j]) {
- /*
- * Check to see if it is supported by the dac
- */
- if ((rates[i] >= ubi32_priv->min_sample_rate) &&
- (!ubi32_priv->max_sample_rate ||
- (ubi32_priv->max_sample_rate && (rates[i] <= ubi32_priv->max_sample_rate)))) {
- found = 1;
- rate_mask |= (1 << i);
- nrates++;
- if (rates[i] < rate_min) {
- rate_min = rates[i];
- }
- if (rates[i] > rate_max) {
- rate_max = rates[i];
- }
- break;
- }
- }
- }
- if (!found) {
- rate_mask |= SNDRV_PCM_RATE_KNOT;
- }
- }
-
- snd_ubi32_pcm_hw.rates = rate_mask;
- snd_ubi32_pcm_hw.rate_min = rate_min;
- snd_ubi32_pcm_hw.rate_max = rate_max;
- ubi32_pcm_rates.count = adr->n_sample_rates;
- ubi32_pcm_rates.list = (unsigned int *)adr->sample_rates;
- ubi32_pcm_rates.mask = 0;
-
- for (i = 0; i < 32; i++) {
- if (adr->channel_mask & (1 << i)) {
- if (!snd_ubi32_pcm_hw.channels_min) {
- snd_ubi32_pcm_hw.channels_min = i;
- }
- snd_ubi32_pcm_hw.channels_max = i;
- }
- }
- snd_printk(KERN_INFO "Ubi32PCM: channels_min:%u channels_max:%u\n",
- snd_ubi32_pcm_hw.channels_min,
- snd_ubi32_pcm_hw.channels_max);
-
- if (adr->caps & AUDIONODE_CAP_BE) {
- snd_ubi32_pcm_hw.formats |= SNDRV_PCM_FMTBIT_S16_BE;
- }
- if (adr->caps & AUDIONODE_CAP_LE) {
- snd_ubi32_pcm_hw.formats |= SNDRV_PCM_FMTBIT_S16_LE;
- }
-
- snd_printk(KERN_INFO "Ubi32PCM: rates:%08x min:%u max:%u count:%d fmts:%016llx (%s)\n",
- snd_ubi32_pcm_hw.rates,
- snd_ubi32_pcm_hw.rate_min,
- snd_ubi32_pcm_hw.rate_max,
- ubi32_pcm_rates.count,
- snd_ubi32_pcm_hw.formats,
- ubi32_priv->is_capture ? "capture" : "playback");
-
- if (ubi32_priv->is_capture) {
- ret = snd_pcm_new(ubi32_priv->card, "Ubi32 PCM", 0, 0, 1, &pcm);
- } else {
- ret = snd_pcm_new(ubi32_priv->card, "Ubi32 PCM", 0, 1, 0, &pcm);
- }
-
- if (ret < 0) {
- return ret;
- }
-
- pcm->private_data = ubi32_priv;
- ubi32_priv->pcm = pcm;
- ubi32_priv->pdata = pdata;
-
- pcm->info_flags = 0;
-
- strcpy(pcm->name, "Ubi32-PCM");
-
- snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_CONTINUOUS,
- snd_dma_continuous_data(GFP_KERNEL),
- 45*1024, 64*1024);
-
- if (ubi32_priv->is_capture) {
- snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_ubi32_pcm_ops);
- } else {
- snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_ubi32_pcm_ops);
- }
-
- /*
- * Start up the audio device
- */
- adr->int_flags |= AUDIO_INT_FLAG_COMMAND;
- adr->command = AUDIO_CMD_ENABLE;
- snd_ubi32_vp_int_set(pcm);
-
- /*
- * Request IRQ
- */
- err = request_irq(ubi32_priv->rx_irq, snd_ubi32_pcm_interrupt, IRQF_SHARED | IRQF_DISABLED, pcm->name, pcm);
- if (err) {
- snd_printk(KERN_WARNING "request_irq failed: irq=%d err=%d\n", ubi32_priv->rx_irq, err);
- return -ENODEV;
- }
-
- return ret;
-
-}
diff --git a/target/linux/ubicom32/files/sound/ubicom32/ubi32.h b/target/linux/ubicom32/files/sound/ubicom32/ubi32.h
deleted file mode 100644
index f43a215..0000000
--- a/target/linux/ubicom32/files/sound/ubicom32/ubi32.h
+++ /dev/null
@@ -1,102 +0,0 @@
-/*
- * sound/ubicom32/ubi32.h
- * Common header file for all ubi32- sound drivers
- *
- * (C) Copyright 2009, Ubicom, Inc.
- *
- * This file is part of the Ubicom32 Linux Kernel Port.
- *
- * The Ubicom32 Linux Kernel Port is free software: you can redistribute
- * it and/or modify it under the terms of the GNU General Public License
- * as published by the Free Software Foundation, either version 2 of the
- * License, or (at your option) any later version.
- *
- * The Ubicom32 Linux Kernel Port is distributed in the hope that it
- * will be useful, but WITHOUT ANY WARRANTY; without even the implied
- * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See
- * the GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with the Ubicom32 Linux Kernel Port. If not,
- * see <http://www.gnu.org/licenses/>.
- */
-
-#ifndef _UBI32_H
-#define _UBI32_H
-
-#define SND_UBI32_DEBUG 0 // Debug flag
-
-#include <linux/platform_device.h>
-#include <asm/devtree.h>
-#include <asm/audio.h>
-#include <asm/ubi32-pcm.h>
-
-struct ubi32_snd_priv;
-
-typedef int (*set_channels_t)(struct ubi32_snd_priv *priv, int channels);
-typedef int (*set_rate_t)(struct ubi32_snd_priv *priv, int rate);
-
-struct ubi32_snd_priv {
- /*
- * Any variables that are needed locally here but NOT in
- * the VP itself should go in here.
- */
- struct snd_card *card;
- struct snd_pcm *pcm;
-
- /*
- * capture (1) or playback (0)
- */
- int is_capture;
- /*
- * DAC parameters. These are the parameters for the specific
- * DAC we are driving. The I2S component can run at a range
- * of frequencies, but the DAC may be limited. We may want
- * to make this an array of some sort in the future?
- *
- * min/max_sample_rate if set to 0 are ignored.
- */
- int max_sample_rate;
- int min_sample_rate;
-
- /*
- * The size a period (group) of audio samples. The VP does
- * not need to know this; each DMA transfer is made to be
- * one period.
- */
- u32_t period_size;
-
- spinlock_t ubi32_lock;
-
- struct audio_regs *ar;
- struct audio_dev_regs *adr;
- u32 irq_idx;
- u8 tx_irq;
- u8 rx_irq;
-
- void *client;
-
- /*
- * Operations which the base DAC driver can implement
- */
- set_channels_t set_channels;
- set_rate_t set_rate;
-
- /*
- * platform data
- */
- struct ubi32pcm_platform_data *pdata;
-
- /*
- * Private driver data (used for DAC driver control, etc)
- */
- void *drvdata;
-};
-
-#define snd_ubi32_priv_get_drv(priv) ((priv)->drvdata)
-#define snd_ubi32_priv_set_drv(priv, data) (((priv)->drvdata) = (void *)(data))
-
-extern int snd_ubi32_pcm_probe(struct ubi32_snd_priv *ubi32_priv, struct platform_device *pdev);
-extern void snd_ubi32_pcm_remove(struct ubi32_snd_priv *ubi32_priv);
-
-#endif