kconfig: intel_s1000: Add neural_net Kconfig

Added Kconfig files for Intel neural network accelerator
(GNA) driver

Signed-off-by: Sathish Kuttan <sathish.k.kuttan@intel.com>

boards/xtensa/intel_s1000_crb/intel_s1000_crb_defconfig

@@ -54,3 +54,6 @@ CONFIG_AUDIO_CODEC=y
 CONFIG_AUDIO_TLV320DAC=y
 CONFIG_AUDIO_DMIC=y
 CONFIG_AUDIO_INTEL_DMIC=y
+
+CONFIG_NEURAL_NET_ACCEL=y
+CONFIG_INTEL_GNA=y

drivers/Kconfig

@@ -83,4 +83,6 @@ source "drivers/modem/Kconfig"
 
 source "drivers/audio/Kconfig"
 
+source "drivers/neural_net/Kconfig"
+
 endmenu

drivers/neural_net/Kconfig

@@ -0,0 +1,22 @@
+# Kconfig - Neural network accelerator driver configuration options
+#
+# Copyright (c) 2018 Intel Corporation
+#
+# SPDX-License-Identifier: Apache-2.0
+#
+
+menuconfig NEURAL_NET_ACCEL
+	bool
+	prompt "Neural Network Accelerator Drivers"
+	help
+	  Enable support for Neural Network Accelerators
+
+if NEURAL_NET_ACCEL
+
+module = NEURAL_NET
+module-str = neural_net
+source "subsys/logging/Kconfig.template.log_config"
+
+gsource "drivers/neural_net/Kconfig.*"
+
+endif # NEURAL_NET

drivers/neural_net/Kconfig.intel_gna

@@ -0,0 +1,52 @@
+# Kconfig - Neural network accelerator driver configuration options
+#
+# Copyright (c) 2018 Intel Corporation
+#
+# SPDX-License-Identifier: Apache-2.0
+#
+
+menuconfig INTEL_GNA
+	bool
+	prompt "Intel GNA Inferencing Engine"
+	help
+	  Enable support for Intel's GMM and Neural Network Accelerator
+
+if INTEL_GNA
+
+config INTEL_GNA_NAME
+	string "GNA device name"
+	default "GNA0"
+	help
+	  Name of the GNA device this device driver can use.
+
+config INTEL_GNA_INIT_PRIORITY
+	int "Init priority"
+	default 99
+	help
+	  Device driver initialization priority.
+
+config INTEL_GNA_MAX_MODELS
+	int "Max number of neural network models supported by driver"
+	default 4
+	help
+	  Max. number of unique neural network models required in the system
+
+config INTEL_GNA_MAX_PENDING_REQUESTS
+	int "Max number of pending inference requests"
+	default 4
+	help
+	  Maximum number of pending inference requests in the driver
+
+config INTEL_GNA_POWER_MODE
+	int "GNA operation mode"
+	default 0
+	range 0 3
+	help
+	  Sets GNA operation mode for power saving
+	  Levels are:
+	  0 ALWAYS_ON, GNA is always on with very minimal power save
+	  1 CLOCK_GATED, GNA clock is gated when not active
+	  2 POWER_GATED, GNA clock and power are gated when not active
+	  3 ALWAYS_OFF, GNA is tuned off and never used in the system
+
+endif # INTEL_GNA