[PATCH v4 05/10] ASoC: SOF: Intel: Define ops for client registration

From: Dave Ertman
Date: Fri Nov 13 2020 - 11:21:57 EST

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From: Ranjani Sridharan <ranjani.sridharan@xxxxxxxxxxxxxxx>

Define client ops for Intel platforms. For now, we only add
2 IPC test clients that will be used for run tandem IPC flood
tests for.

For ACPI platforms, change the Kconfig to select
SND_SOC_SOF_PROBE_WORK_QUEUE to allow the ancillary driver
to probe when the client is registered.

Reviewed-by: Pierre-Louis Bossart <pierre-louis.bossart@xxxxxxxxxxxxxxx>
Signed-off-by: Ranjani Sridharan <ranjani.sridharan@xxxxxxxxxxxxxxx>
Co-developed-by: Fred Oh <fred.oh@xxxxxxxxxxxxxxx>
Signed-off-by: Fred Oh <fred.oh@xxxxxxxxxxxxxxx>
Signed-off-by: Dave Ertman <david.m.ertman@xxxxxxxxx>
---
sound/soc/sof/intel/Kconfig | 9 +++++++
sound/soc/sof/intel/Makefile | 3 +++
sound/soc/sof/intel/apl.c | 16 ++++++++++++
sound/soc/sof/intel/bdw.c | 16 ++++++++++++
sound/soc/sof/intel/byt.c | 20 +++++++++++++++
sound/soc/sof/intel/cnl.c | 16 ++++++++++++
sound/soc/sof/intel/intel-client.c | 40 ++++++++++++++++++++++++++++++
sound/soc/sof/intel/intel-client.h | 26 +++++++++++++++++++
8 files changed, 146 insertions(+)
create mode 100644 sound/soc/sof/intel/intel-client.c
create mode 100644 sound/soc/sof/intel/intel-client.h

diff --git a/sound/soc/sof/intel/Kconfig b/sound/soc/sof/intel/Kconfig
index a066e08860cb..b449fa2f8005 100644
--- a/sound/soc/sof/intel/Kconfig
+++ b/sound/soc/sof/intel/Kconfig
@@ -13,6 +13,8 @@ config SND_SOC_SOF_INTEL_ACPI
def_tristate SND_SOC_SOF_ACPI
select SND_SOC_SOF_BAYTRAIL if SND_SOC_SOF_BAYTRAIL_SUPPORT
select SND_SOC_SOF_BROADWELL if SND_SOC_SOF_BROADWELL_SUPPORT
+ select SND_SOC_SOF_PROBE_WORK_QUEUE if SND_SOC_SOF_CLIENT
+ select SND_SOC_SOF_INTEL_CLIENT if SND_SOC_SOF_CLIENT
help
This option is not user-selectable but automagically handled by
'select' statements at a higher level
@@ -29,6 +31,7 @@ config SND_SOC_SOF_INTEL_PCI
select SND_SOC_SOF_TIGERLAKE if SND_SOC_SOF_TIGERLAKE_SUPPORT
select SND_SOC_SOF_ELKHARTLAKE if SND_SOC_SOF_ELKHARTLAKE_SUPPORT
select SND_SOC_SOF_JASPERLAKE if SND_SOC_SOF_JASPERLAKE_SUPPORT
+ select SND_SOC_SOF_INTEL_CLIENT if SND_SOC_SOF_CLIENT
help
This option is not user-selectable but automagically handled by
'select' statements at a higher level
@@ -57,6 +60,12 @@ config SND_SOC_SOF_INTEL_COMMON
This option is not user-selectable but automagically handled by
'select' statements at a higher level

+config SND_SOC_SOF_INTEL_CLIENT
+ tristate
+ help
+ This option is not user-selectable but automagically handled by
+ 'select' statements at a higher level.
+
if SND_SOC_SOF_INTEL_ACPI

config SND_SOC_SOF_BAYTRAIL_SUPPORT
diff --git a/sound/soc/sof/intel/Makefile b/sound/soc/sof/intel/Makefile
index 72d85b25df7d..683e64c627c1 100644
--- a/sound/soc/sof/intel/Makefile
+++ b/sound/soc/sof/intel/Makefile
@@ -5,6 +5,8 @@ snd-sof-intel-bdw-objs := bdw.o

snd-sof-intel-ipc-objs := intel-ipc.o

+snd-sof-intel-client-objs := intel-client.o
+
snd-sof-intel-hda-common-objs := hda.o hda-loader.o hda-stream.o hda-trace.o \
hda-dsp.o hda-ipc.o hda-ctrl.o hda-pcm.o \
hda-dai.o hda-bus.o \
@@ -18,3 +20,4 @@ obj-$(CONFIG_SND_SOC_SOF_BROADWELL) += snd-sof-intel-bdw.o
obj-$(CONFIG_SND_SOC_SOF_INTEL_HIFI_EP_IPC) += snd-sof-intel-ipc.o
obj-$(CONFIG_SND_SOC_SOF_HDA_COMMON) += snd-sof-intel-hda-common.o
obj-$(CONFIG_SND_SOC_SOF_HDA) += snd-sof-intel-hda.o
+obj-$(CONFIG_SND_SOC_SOF_INTEL_CLIENT) += snd-sof-intel-client.o
diff --git a/sound/soc/sof/intel/apl.c b/sound/soc/sof/intel/apl.c
index 4eeade2e77f7..ce2dcd6aa7de 100644
--- a/sound/soc/sof/intel/apl.c
+++ b/sound/soc/sof/intel/apl.c
@@ -18,6 +18,7 @@
#include "../sof-priv.h"
#include "hda.h"
#include "../sof-audio.h"
+#include "intel-client.h"

static const struct snd_sof_debugfs_map apl_dsp_debugfs[] = {
{"hda", HDA_DSP_HDA_BAR, 0, 0x4000, SOF_DEBUGFS_ACCESS_ALWAYS},
@@ -25,6 +26,16 @@ static const struct snd_sof_debugfs_map apl_dsp_debugfs[] = {
{"dsp", HDA_DSP_BAR, 0, 0x10000, SOF_DEBUGFS_ACCESS_ALWAYS},
};

+static int apl_register_clients(struct snd_sof_dev *sdev)
+{
+ return intel_register_ipc_test_clients(sdev);
+}
+
+static void apl_unregister_clients(struct snd_sof_dev *sdev)
+{
+ intel_unregister_ipc_test_clients(sdev);
+}
+
/* apollolake ops */
const struct snd_sof_dsp_ops sof_apl_ops = {
/* probe and remove */
@@ -101,6 +112,10 @@ const struct snd_sof_dsp_ops sof_apl_ops = {
.trace_release = hda_dsp_trace_release,
.trace_trigger = hda_dsp_trace_trigger,

+ /* client ops */
+ .register_clients = apl_register_clients,
+ .unregister_clients = apl_unregister_clients,
+
/* DAI drivers */
.drv = skl_dai,
.num_drv = SOF_SKL_NUM_DAIS,
@@ -140,3 +155,4 @@ const struct sof_intel_dsp_desc apl_chip_info = {
.ssp_base_offset = APL_SSP_BASE_OFFSET,
};
EXPORT_SYMBOL_NS(apl_chip_info, SND_SOC_SOF_INTEL_HDA_COMMON);
+MODULE_IMPORT_NS(SND_SOC_SOF_INTEL_CLIENT);
diff --git a/sound/soc/sof/intel/bdw.c b/sound/soc/sof/intel/bdw.c
index 50a4a73e6b9f..d6fb5e228e93 100644
--- a/sound/soc/sof/intel/bdw.c
+++ b/sound/soc/sof/intel/bdw.c
@@ -18,6 +18,7 @@
#include "../ops.h"
#include "shim.h"
#include "../sof-audio.h"
+#include "intel-client.h"

/* BARs */
#define BDW_DSP_BAR 0
@@ -563,6 +564,16 @@ static void bdw_set_mach_params(const struct snd_soc_acpi_mach *mach,
mach_params->platform = dev_name(dev);
}

+static int bdw_register_clients(struct snd_sof_dev *sdev)
+{
+ return intel_register_ipc_test_clients(sdev);
+}
+
+static void bdw_unregister_clients(struct snd_sof_dev *sdev)
+{
+ intel_unregister_ipc_test_clients(sdev);
+}
+
/* Broadwell DAIs */
static struct snd_soc_dai_driver bdw_dai[] = {
{
@@ -638,6 +649,10 @@ const struct snd_sof_dsp_ops sof_bdw_ops = {
/*Firmware loading */
.load_firmware = snd_sof_load_firmware_memcpy,

+ /* client ops */
+ .register_clients = bdw_register_clients,
+ .unregister_clients = bdw_unregister_clients,
+
/* DAI drivers */
.drv = bdw_dai,
.num_drv = ARRAY_SIZE(bdw_dai),
@@ -662,3 +677,4 @@ EXPORT_SYMBOL_NS(bdw_chip_info, SND_SOC_SOF_BROADWELL);
MODULE_LICENSE("Dual BSD/GPL");
MODULE_IMPORT_NS(SND_SOC_SOF_INTEL_HIFI_EP_IPC);
MODULE_IMPORT_NS(SND_SOC_SOF_XTENSA);
+MODULE_IMPORT_NS(SND_SOC_SOF_INTEL_CLIENT);
diff --git a/sound/soc/sof/intel/byt.c b/sound/soc/sof/intel/byt.c
index 186736ee5fc2..a42820606ace 100644
--- a/sound/soc/sof/intel/byt.c
+++ b/sound/soc/sof/intel/byt.c
@@ -19,6 +19,7 @@
#include "shim.h"
#include "../sof-audio.h"
#include "../../intel/common/soc-intel-quirks.h"
+#include "intel-client.h"

/* DSP memories */
#define IRAM_OFFSET 0x0C0000
@@ -821,6 +822,16 @@ static int byt_acpi_probe(struct snd_sof_dev *sdev)
return ret;
}

+static int byt_register_clients(struct snd_sof_dev *sdev)
+{
+ return intel_register_ipc_test_clients(sdev);
+}
+
+static void byt_unregister_clients(struct snd_sof_dev *sdev)
+{
+ intel_unregister_ipc_test_clients(sdev);
+}
+
/* baytrail ops */
const struct snd_sof_dsp_ops sof_byt_ops = {
/* device init */
@@ -879,6 +890,10 @@ const struct snd_sof_dsp_ops sof_byt_ops = {
.suspend = byt_suspend,
.resume = byt_resume,

+ /* client ops */
+ .register_clients = byt_register_clients,
+ .unregister_clients = byt_unregister_clients,
+
/* DAI drivers */
.drv = byt_dai,
.num_drv = 3, /* we have only 3 SSPs on byt*/
@@ -958,6 +973,10 @@ const struct snd_sof_dsp_ops sof_cht_ops = {
.suspend = byt_suspend,
.resume = byt_resume,

+ /* client ops */
+ .register_clients = byt_register_clients,
+ .unregister_clients = byt_unregister_clients,
+
/* DAI drivers */
.drv = byt_dai,
/* all 6 SSPs may be available for cherrytrail */
@@ -985,3 +1004,4 @@ EXPORT_SYMBOL_NS(cht_chip_info, SND_SOC_SOF_BAYTRAIL);
MODULE_LICENSE("Dual BSD/GPL");
MODULE_IMPORT_NS(SND_SOC_SOF_INTEL_HIFI_EP_IPC);
MODULE_IMPORT_NS(SND_SOC_SOF_XTENSA);
+MODULE_IMPORT_NS(SND_SOC_SOF_INTEL_CLIENT);
diff --git a/sound/soc/sof/intel/cnl.c b/sound/soc/sof/intel/cnl.c
index a5d3258104c0..20afb622c315 100644
--- a/sound/soc/sof/intel/cnl.c
+++ b/sound/soc/sof/intel/cnl.c
@@ -19,6 +19,7 @@
#include "hda.h"
#include "hda-ipc.h"
#include "../sof-audio.h"
+#include "intel-client.h"

static const struct snd_sof_debugfs_map cnl_dsp_debugfs[] = {
{"hda", HDA_DSP_HDA_BAR, 0, 0x4000, SOF_DEBUGFS_ACCESS_ALWAYS},
@@ -230,6 +231,16 @@ void cnl_ipc_dump(struct snd_sof_dev *sdev)
hipcida, hipctdr, hipcctl);
}

+static int cnl_register_clients(struct snd_sof_dev *sdev)
+{
+ return intel_register_ipc_test_clients(sdev);
+}
+
+static void cnl_unregister_clients(struct snd_sof_dev *sdev)
+{
+ intel_unregister_ipc_test_clients(sdev);
+}
+
/* cannonlake ops */
const struct snd_sof_dsp_ops sof_cnl_ops = {
/* probe and remove */
@@ -306,6 +317,10 @@ const struct snd_sof_dsp_ops sof_cnl_ops = {
.trace_release = hda_dsp_trace_release,
.trace_trigger = hda_dsp_trace_trigger,

+ /* client ops */
+ .register_clients = cnl_register_clients,
+ .unregister_clients = cnl_unregister_clients,
+
/* DAI drivers */
.drv = skl_dai,
.num_drv = SOF_SKL_NUM_DAIS,
@@ -393,3 +408,4 @@ const struct sof_intel_dsp_desc jsl_chip_info = {
.ssp_base_offset = CNL_SSP_BASE_OFFSET,
};
EXPORT_SYMBOL_NS(jsl_chip_info, SND_SOC_SOF_INTEL_HDA_COMMON);
+MODULE_IMPORT_NS(SND_SOC_SOF_INTEL_CLIENT);
diff --git a/sound/soc/sof/intel/intel-client.c b/sound/soc/sof/intel/intel-client.c
new file mode 100644
index 000000000000..a612de365fc5
--- /dev/null
+++ b/sound/soc/sof/intel/intel-client.c
@@ -0,0 +1,40 @@
+// SPDX-License-Identifier: GPL-2.0-only
+//
+// Copyright(c) 2020 Intel Corporation. All rights reserved.
+//
+// Author: Ranjani Sridharan <ranjani.sridharan@xxxxxxxxxxxxxxx>
+//
+
+#include <linux/module.h>
+#include "../sof-priv.h"
+#include "../sof-client.h"
+#include "intel-client.h"
+
+#if IS_ENABLED(CONFIG_SND_SOC_SOF_DEBUG_IPC_FLOOD_TEST_CLIENT)
+int intel_register_ipc_test_clients(struct snd_sof_dev *sdev)
+{
+ int ret;
+
+ /*
+ * Register 2 IPC clients to facilitate tandem flood test. The device name below is
+ * appended with the device ID assigned automatically when the auxiliary device is
+ * registered making them unique.
+ */
+ ret = sof_client_dev_register(sdev, "ipc_test", 0);
+ if (ret < 0)
+ return ret;
+
+ return sof_client_dev_register(sdev, "ipc_test", 1);
+}
+EXPORT_SYMBOL_NS_GPL(intel_register_ipc_test_clients, SND_SOC_SOF_INTEL_CLIENT);
+
+void intel_unregister_ipc_test_clients(struct snd_sof_dev *sdev)
+{
+ sof_client_dev_unregister(sdev, "ipc_test", 0);
+ sof_client_dev_unregister(sdev, "ipc_test", 1);
+}
+EXPORT_SYMBOL_NS_GPL(intel_unregister_ipc_test_clients, SND_SOC_SOF_INTEL_CLIENT);
+#endif
+
+MODULE_LICENSE("GPL");
+MODULE_IMPORT_NS(SND_SOC_SOF_CLIENT);
diff --git a/sound/soc/sof/intel/intel-client.h b/sound/soc/sof/intel/intel-client.h
new file mode 100644
index 000000000000..49b2c6c0dcc4
--- /dev/null
+++ b/sound/soc/sof/intel/intel-client.h
@@ -0,0 +1,26 @@
+/* SPDX-License-Identifier: (GPL-2.0-only OR BSD-3-Clause) */
+/*
+ * This file is provided under a dual BSD/GPLv2 license. When using or
+ * redistributing this file, you may do so under either license.
+ *
+ * Copyright(c) 2020 Intel Corporation. All rights reserved.
+ *
+ * Author: Ranjani Sridharan <ranjani.sridharan@xxxxxxxxxxxxxxx>
+ */
+
+#ifndef __INTEL_CLIENT_H
+#define __INTEL_CLIENT_H
+
+#if IS_ENABLED(CONFIG_SND_SOC_SOF_DEBUG_IPC_FLOOD_TEST_CLIENT)
+int intel_register_ipc_test_clients(struct snd_sof_dev *sdev);
+void intel_unregister_ipc_test_clients(struct snd_sof_dev *sdev);
+#else
+static inline int intel_register_ipc_test_clients(struct snd_sof_dev *sdev)
+{
+ return 0;
+}
+
+static void intel_unregister_ipc_test_clients(struct snd_sof_dev *sdev) {}
+#endif
+
+#endif
--
2.26.2

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