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Diffstat (limited to 'sound/pci/hda')
-rw-r--r--sound/pci/hda/Kconfig5
-rw-r--r--sound/pci/hda/Makefile2
-rw-r--r--sound/pci/hda/cirrus_scodec.c73
-rw-r--r--sound/pci/hda/cirrus_scodec.h13
-rw-r--r--sound/pci/hda/cs35l56_hda.c14
5 files changed, 106 insertions, 1 deletions
diff --git a/sound/pci/hda/Kconfig b/sound/pci/hda/Kconfig
index 0d7502d6e060..2980bfef0a4c 100644
--- a/sound/pci/hda/Kconfig
+++ b/sound/pci/hda/Kconfig
@@ -91,6 +91,9 @@ config SND_HDA_PATCH_LOADER
start up. The "patch" file can be specified via patch module
option, such as patch=hda-init.
+config SND_HDA_CIRRUS_SCODEC
+ tristate
+
config SND_HDA_SCODEC_CS35L41
tristate
select SND_HDA_GENERIC
@@ -144,6 +147,7 @@ config SND_HDA_SCODEC_CS35L56_I2C
select SND_HDA_GENERIC
select SND_SOC_CS35L56_SHARED
select SND_HDA_SCODEC_CS35L56
+ select SND_HDA_CIRRUS_SCODEC
select SND_HDA_CS_DSP_CONTROLS
help
Say Y or M here to include CS35L56 amplifier support with
@@ -158,6 +162,7 @@ config SND_HDA_SCODEC_CS35L56_SPI
select SND_HDA_GENERIC
select SND_SOC_CS35L56_SHARED
select SND_HDA_SCODEC_CS35L56
+ select SND_HDA_CIRRUS_SCODEC
select SND_HDA_CS_DSP_CONTROLS
help
Say Y or M here to include CS35L56 amplifier support with
diff --git a/sound/pci/hda/Makefile b/sound/pci/hda/Makefile
index f00fc9ed6096..aa445af0cf9a 100644
--- a/sound/pci/hda/Makefile
+++ b/sound/pci/hda/Makefile
@@ -28,6 +28,7 @@ snd-hda-codec-via-objs := patch_via.o
snd-hda-codec-hdmi-objs := patch_hdmi.o hda_eld.o
# side codecs
+snd-hda-cirrus-scodec-objs := cirrus_scodec.o
snd-hda-scodec-cs35l41-objs := cs35l41_hda.o cs35l41_hda_property.o
snd-hda-scodec-cs35l41-i2c-objs := cs35l41_hda_i2c.o
snd-hda-scodec-cs35l41-spi-objs := cs35l41_hda_spi.o
@@ -56,6 +57,7 @@ obj-$(CONFIG_SND_HDA_CODEC_VIA) += snd-hda-codec-via.o
obj-$(CONFIG_SND_HDA_CODEC_HDMI) += snd-hda-codec-hdmi.o
# side codecs
+obj-$(CONFIG_SND_HDA_CIRRUS_SCODEC) += snd-hda-cirrus-scodec.o
obj-$(CONFIG_SND_HDA_SCODEC_CS35L41) += snd-hda-scodec-cs35l41.o
obj-$(CONFIG_SND_HDA_SCODEC_CS35L41_I2C) += snd-hda-scodec-cs35l41-i2c.o
obj-$(CONFIG_SND_HDA_SCODEC_CS35L41_SPI) += snd-hda-scodec-cs35l41-spi.o
diff --git a/sound/pci/hda/cirrus_scodec.c b/sound/pci/hda/cirrus_scodec.c
new file mode 100644
index 000000000000..8de3bc7448fa
--- /dev/null
+++ b/sound/pci/hda/cirrus_scodec.c
@@ -0,0 +1,73 @@
+// SPDX-License-Identifier: GPL-2.0-only
+//
+// Common code for Cirrus side-codecs.
+//
+// Copyright (C) 2021, 2023 Cirrus Logic, Inc. and
+// Cirrus Logic International Semiconductor Ltd.
+
+#include <linux/dev_printk.h>
+#include <linux/gpio/consumer.h>
+#include <linux/module.h>
+
+#include "cirrus_scodec.h"
+
+int cirrus_scodec_get_speaker_id(struct device *dev, int amp_index,
+ int num_amps, int fixed_gpio_id)
+{
+ struct gpio_desc *speaker_id_desc;
+ int speaker_id = -ENOENT;
+
+ if (fixed_gpio_id >= 0) {
+ dev_dbg(dev, "Found Fixed Speaker ID GPIO (index = %d)\n", fixed_gpio_id);
+ speaker_id_desc = gpiod_get_index(dev, NULL, fixed_gpio_id, GPIOD_IN);
+ if (IS_ERR(speaker_id_desc)) {
+ speaker_id = PTR_ERR(speaker_id_desc);
+ return speaker_id;
+ }
+ speaker_id = gpiod_get_value_cansleep(speaker_id_desc);
+ gpiod_put(speaker_id_desc);
+ } else {
+ int base_index;
+ int gpios_per_amp;
+ int count;
+ int tmp;
+ int i;
+
+ count = gpiod_count(dev, "spk-id");
+ if (count > 0) {
+ speaker_id = 0;
+ gpios_per_amp = count / num_amps;
+ base_index = gpios_per_amp * amp_index;
+
+ if (count % num_amps)
+ return -EINVAL;
+
+ dev_dbg(dev, "Found %d Speaker ID GPIOs per Amp\n", gpios_per_amp);
+
+ for (i = 0; i < gpios_per_amp; i++) {
+ speaker_id_desc = gpiod_get_index(dev, "spk-id", i + base_index,
+ GPIOD_IN);
+ if (IS_ERR(speaker_id_desc)) {
+ speaker_id = PTR_ERR(speaker_id_desc);
+ break;
+ }
+ tmp = gpiod_get_value_cansleep(speaker_id_desc);
+ gpiod_put(speaker_id_desc);
+ if (tmp < 0) {
+ speaker_id = tmp;
+ break;
+ }
+ speaker_id |= tmp << i;
+ }
+ }
+ }
+
+ dev_dbg(dev, "Speaker ID = %d\n", speaker_id);
+
+ return speaker_id;
+}
+EXPORT_SYMBOL_NS_GPL(cirrus_scodec_get_speaker_id, SND_HDA_CIRRUS_SCODEC);
+
+MODULE_DESCRIPTION("HDA Cirrus side-codec library");
+MODULE_AUTHOR("Richard Fitzgerald <rf@opensource.cirrus.com>");
+MODULE_LICENSE("GPL");
diff --git a/sound/pci/hda/cirrus_scodec.h b/sound/pci/hda/cirrus_scodec.h
new file mode 100644
index 000000000000..ba2041d8ef24
--- /dev/null
+++ b/sound/pci/hda/cirrus_scodec.h
@@ -0,0 +1,13 @@
+/* SPDX-License-Identifier: GPL-2.0
+ *
+ * Copyright (C) 2023 Cirrus Logic, Inc. and
+ * Cirrus Logic International Semiconductor Ltd.
+ */
+
+#ifndef CIRRUS_SCODEC_H
+#define CIRRUS_SCODEC_H
+
+int cirrus_scodec_get_speaker_id(struct device *dev, int amp_index,
+ int num_amps, int fixed_gpio_id);
+
+#endif /* CIRRUS_SCODEC_H */
diff --git a/sound/pci/hda/cs35l56_hda.c b/sound/pci/hda/cs35l56_hda.c
index 87ffe8fbff99..44f5ca0e73e3 100644
--- a/sound/pci/hda/cs35l56_hda.c
+++ b/sound/pci/hda/cs35l56_hda.c
@@ -16,6 +16,7 @@
#include <sound/core.h>
#include <sound/hda_codec.h>
#include <sound/tlv.h>
+#include "cirrus_scodec.h"
#include "cs35l56_hda.h"
#include "hda_component.h"
#include "hda_cs_dsp_ctl.h"
@@ -869,7 +870,17 @@ static int cs35l56_hda_read_acpi(struct cs35l56_hda *cs35l56, int id)
"Read ACPI _SUB failed(%ld): fallback to generic firmware\n",
PTR_ERR(sub));
} else {
- cs35l56->system_name = sub;
+ ret = cirrus_scodec_get_speaker_id(cs35l56->base.dev, cs35l56->index, nval, -1);
+ if (ret == -ENOENT) {
+ cs35l56->system_name = sub;
+ } else if (ret >= 0) {
+ cs35l56->system_name = kasprintf(GFP_KERNEL, "%s-spkid%d", sub, ret);
+ kfree(sub);
+ if (!cs35l56->system_name)
+ return -ENOMEM;
+ } else {
+ return ret;
+ }
}
cs35l56->base.reset_gpio = devm_gpiod_get_index_optional(cs35l56->base.dev,
@@ -1025,6 +1036,7 @@ const struct dev_pm_ops cs35l56_hda_pm_ops = {
EXPORT_SYMBOL_NS_GPL(cs35l56_hda_pm_ops, SND_HDA_SCODEC_CS35L56);
MODULE_DESCRIPTION("CS35L56 HDA Driver");
+MODULE_IMPORT_NS(SND_HDA_CIRRUS_SCODEC);
MODULE_IMPORT_NS(SND_HDA_CS_DSP_CONTROLS);
MODULE_IMPORT_NS(SND_SOC_CS35L56_SHARED);
MODULE_AUTHOR("Richard Fitzgerald <rf@opensource.cirrus.com>");
generated by cgit v1.2.3 (git 2.25.1) at 2025-03-02 20:09:39 +0000