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/linux/Documentation/ABI/testing/
H A Dsysfs-bus-soundwire-slave1 What: /sys/bus/soundwire/devices/sdw:.../status
2 /sys/bus/soundwire/devices/sdw:.../device_number
10 Description: SoundWire Slave status
19 What: /sys/bus/soundwire/devices/sdw:.../dev-properties/mipi_revision
20 /sys/bus/soundwire/devices/sdw:.../dev-properties/wake_capable
21 /sys/bus/soundwire/devices/sdw:.../dev-properties/test_mode_capable
22 /sys/bus/soundwire/devices/sdw:.../dev-properties/clk_stop_mode1
23 /sys/bus/soundwire/devices/sdw:.../dev-properties/simple_clk_stop_capable
24 /sys/bus/soundwire/devices/sdw:.../dev-properties/clk_stop_timeout
25 /sys/bus/soundwire/devices/sdw:.../dev-properties/ch_prep_timeout
[all …]
H A Dsysfs-bus-soundwire-master1 What: /sys/bus/soundwire/devices/sdw-master-<N>/revision
2 /sys/bus/soundwire/devices/sdw-master-<N>/clk_stop_modes
3 /sys/bus/soundwire/devices/sdw-master-<N>/clk_freq
4 /sys/bus/soundwire/devices/sdw-master-<N>/clk_gears
5 /sys/bus/soundwire/devices/sdw-master-<N>/default_col
6 /sys/bus/soundwire/devices/sdw-master-<N>/default_frame_rate
7 /sys/bus/soundwire/devices/sdw-master-<N>/default_row
8 /sys/bus/soundwire/devices/sdw-master-<N>/dynamic_shape
9 /sys/bus/soundwire/devices/sdw-master-<N>/err_threshold
10 /sys/bus/soundwire/devices/sdw-master-<N>/max_clk_freq
[all …]
/linux/drivers/soundwire/
H A DMakefile3 # Makefile for soundwire core
7 soundwire-bus-y := bus_type.o bus.o master.o slave.o mipi_disco.o stream.o \
9 obj-$(CONFIG_SOUNDWIRE) += soundwire-bus.o
11 soundwire-generic-allocation-objs := generic_bandwidth_allocation.o
12 obj-$(CONFIG_SOUNDWIRE_GENERIC_ALLOCATION) += soundwire-generic-allocation.o
15 soundwire-bus-y += debugfs.o
19 soundwire-bus-y += irq.o
23 soundwire-amd-y := amd_init.o amd_manager.o
24 obj-$(CONFIG_SOUNDWIRE_AMD) += soundwire-amd.o
27 soundwire-cadence-y := cadence_master.o
[all …]
H A Dbus_type.c7 #include <linux/soundwire/sdw.h>
8 #include <linux/soundwire/sdw_type.h>
14 * sdw_get_device_id - find the matching SoundWire device id
15 * @slave: SoundWire Slave Device
16 * @drv: SoundWire Slave Driver
76 .name = "soundwire",
197 * __sdw_register_driver() - register a SoundWire Slave driver
224 * sdw_unregister_driver() - unregisters the SoundWire Slave driver
248 MODULE_DESCRIPTION("SoundWire bus");
H A Dintel_auxdevice.c5 * Soundwire Intel Manager Driver
18 #include <linux/soundwire/sdw_registers.h>
19 #include <linux/soundwire/sdw.h>
20 #include <linux/soundwire/sdw_intel.h>
29 * debug/config flags for the Intel SoundWire Master.
42 MODULE_PARM_DESC(sdw_md_flags, "SoundWire Intel Master device flags (0x0 all off)");
46 MODULE_PARM_DESC(sdw_mclk_divider, "SoundWire Intel mclk divider");
326 /* single controller for all SoundWire links */ in intel_link_probe()
365 "SoundWire master %d is disabled, will be ignored\n", in intel_link_probe()
389 "SoundWire master %d is disabled, ignoring\n", in intel_link_startup()
[all …]
H A Dstream.c5 * stream.c - SoundWire Bus stream operations.
14 #include <linux/soundwire/sdw_registers.h>
15 #include <linux/soundwire/sdw.h>
16 #include <linux/soundwire/sdw_type.h>
22 * Array of supported rows and columns as per MIPI SoundWire Specification 1.1
1033 dev_err(dev, "SoundWire: Invalid port number :%d\n", num); in sdw_slave_port_is_valid_range()
1331 * @stream: SoundWire stream
1412 * @stream: SoundWire stream
1416 * NOTE: This function is called from SoundWire stream ops and is
1435 * @stream: SoundWire stream
[all …]
H A Dintel_init.c17 #include <linux/soundwire/sdw_intel.h>
313 * power rails to the SoundWire IP are not in sdw_intel_startup_controller()
324 * sdw_intel_probe() - SoundWire Intel probe routine
328 * and SoundWire Master and Slave devices will be created by the auxiliary
341 * sdw_intel_startup() - SoundWire Intel startup
342 * @ctx: SoundWire context allocated in the probe
344 * Startup Intel SoundWire controller. This function will be called after
353 * sdw_intel_exit() - SoundWire Intel exit
354 * @ctx: SoundWire context allocated in the probe
404 MODULE_DESCRIPTION("Intel Soundwire Init Library");
/linux/Documentation/devicetree/bindings/soundwire/
H A Dqcom,soundwire.yaml4 $id: http://devicetree.org/schemas/soundwire/qcom,soundwire.yaml#
7 title: Qualcomm SoundWire Controller
14 The Qualcomm SoundWire controller along with its board specific bus parameters.
20 - qcom,soundwire-v1.3.0
21 - qcom,soundwire-v1.5.0
22 - qcom,soundwire-v1.5.1
23 - qcom,soundwire-v1.6.0
24 - qcom,soundwire-v1.7.0
25 - qcom,soundwire-v2.0.0
28 - qcom,soundwire-v2.1.0
[all …]
H A Dsoundwire-controller.yaml4 $id: http://devicetree.org/schemas/soundwire/soundwire-controller.yaml#
7 title: SoundWire Controller Common Properties
14 SoundWire busses can be described with a node for the SoundWire controller
15 device and a set of child nodes for each SoundWire slave on the bus.
19 pattern: "^soundwire(@.*)?$"
34 description: Is the textual representation of SoundWire Enumeration
35 address. compatible string should contain SoundWire Version ID,
39 Version ID is 1 nibble, number '0x1' represents SoundWire 1.0
40 and '0x2' represents SoundWire 1.1 and so on.
45 found in MIPI Alliance DisCo & SoundWire 1.0 Specifications.
[all …]
/linux/include/linux/soundwire/
H A Dsdw_amd.h10 #include <linux/soundwire/sdw.h>
45 * @name: SoundWire stream name
61 * @mmio: SoundWire registers mmio base
63 * @amd_sdw_irq_thread: SoundWire manager irq workqueue
71 * @instance: SoundWire manager instance
72 * @quirks: SoundWire manager quirks
73 * @wake_en_mask: wake enable mask per SoundWire manager
76 * @power_mode_mask: flag interprets amd SoundWire manager power mode
110 * struct sdw_amd_acpi_info - Soundwire AMD information found in ACPI tables
112 * @count: maximum no of soundwire manager links supported on AMD platform.
[all …]
H A Dsdw.h46 * Note: The maximum row define in SoundWire spec 1.1 is 23. In order to
335 * struct sdw_slave_prop - SoundWire Slave properties
368 * registers introduced with the SoundWire 1.2 specification. SDCA devices
419 * @mclk_freq: clock reference passed to SoundWire Master, in Hz.
474 * @class_id: MIPI Class ID (defined starting with SoundWire 1.2 spec)
506 * The MIPI DisCo for SoundWire defines in addition the link_id as bits 51:48
535 * sdw_reg_bank - SoundWire register banks
536 * @SDW_BANK0: Soundwire register bank 0
537 * @SDW_BANK1: Soundwire register bank 1
633 * struct sdw_slave - SoundWire Slav
[all...]
/linux/sound/soc/amd/acp/
H A DKconfig136 This option enables common SoundWire Machine driver module for
140 tristate "AMD SOF Soundwire Machine Driver Support"
142 depends on SOUNDWIRE
153 This option enables SOF sound card support for SoundWire enabled
155 Say Y if you want to enable SoundWire based machine driver support
160 tristate "AMD Legacy(No DSP) Soundwire Machine Driver Support"
162 depends on SOUNDWIRE
176 This option enables Legacy(No DSP) sound card support for SoundWire
178 Say Y if you want to enable SoundWire based machine driver support
188 This options enables ACPI helper functions for SoundWire
/linux/sound/soc/codecs/
H A DKconfig873 depends on SOUNDWIRE || !SOUNDWIRE
883 depends on SOUNDWIRE || !SOUNDWIRE
892 depends on SOUNDWIRE
897 Enable support for Cirrus Logic CS35L56 boosted amplifier with SoundWire control
920 tristate "Cirrus Logic CS42L42 CODEC on Soundwire"
921 depends on SOUNDWIRE
924 Enable support for Cirrus Logic CS42L42 codec with Soundwire control
934 tristate "Cirrus Logic CS42L43 CODEC (SoundWire)"
[all...]
H A Dcs35l56-sdw.c3 // CS35L56 ALSA SoC audio driver SoundWire binding
14 #include <linux/soundwire/sdw.h>
15 #include <linux/soundwire/sdw_registers.h>
16 #include <linux/soundwire/sdw_type.h>
23 /* Register addresses are offset when sent over SoundWire */
226 * Registers are big-endian on I2C and SPI but little-endian on SoundWire.
228 * SoundWire. Firmware files are always big-endian and are opaque blobs.
265 /* SoundWire UniqueId is used to index the calibration array */ in cs35l56_sdw_init()
280 /* Enable SoundWire interrupts */ in cs35l56_sdw_init()
294 /* SoundWire cor in cs35l56_sdw_interrupt()
[all...]
/linux/sound/soc/amd/ps/
H A Dacp63.h8 #include <linux/soundwire/sdw_amd.h>
298 * @acp_sdw_dma_irq_thread: ACP SoundWire DMA interrupt thread
322 * sdw_dma_dev: platform device for SoundWire DMA controller
323 * @mach_dev: platform device for machine driver to support ACP PDM/SoundWire configuration
325 * @info: SoundWire AMD information found in ACPI tables
326 * @sdw: SoundWire context for all SoundWire manager instances
327 * @machine: ACPI machines for SoundWire interface
328 * @is_sdw_dev: flag set to true when any SoundWire manager instances are available
332 * @sdw_en_stat: flag set to true when any one of the SoundWire manager instance is enabled
338 * @acp_sw_pad_keeper_en: store acp SoundWire pad keeper enable register value
[all …]
/linux/include/sound/
H A Dsdw.h3 * linux/sound/sdw.h -- SoundWire helpers for ALSA/ASoC
10 #include <linux/soundwire/sdw.h>
19 * snd_sdw_params_to_config() - Conversion from hw_params to SoundWire config
23 * @stream_config: Stream configuration for the SoundWire audio stream
24 * @port_config: Port configuration for the SoundWire audio stream
27 * SoundWire configuration structures. The user will at a minimum need to also
/linux/sound/hda/core/
H A Dintel-sdw-acpi.c16 #include <linux/soundwire/sdw_intel.h>
27 MODULE_PARM_DESC(sdw_ctrl_addr, "Intel SoundWire Controller _ADR");
75 * hardware, but in that step we cannot assume SoundWire IP is in sdw_intel_scan_controller()
107 dev_warn(&adev->dev, "No SoundWire links detected\n"); in sdw_intel_scan_controller()
152 * device can be found, but only one of them is the SoundWire in sdw_intel_acpi_cb()
155 * SoundWire link so filter accordingly in sdw_intel_acpi_cb()
163 /* found the correct SoundWire controller */ in sdw_intel_acpi_cb()
171 * sdw_intel_acpi_scan() - SoundWire Intel init routine
204 MODULE_DESCRIPTION("Intel Soundwire ACPI helpers");
/linux/sound/soc/qcom/
H A DKconfig172 depends on QCOM_APR && I2C && SOUNDWIRE
187 depends on QCOM_APR && SOUNDWIRE
200 depends on QCOM_APR && SOUNDWIRE
213 depends on SOUNDWIRE || SOUNDWIRE=n
227 depends on I2C && SOUNDWIRE
245 depends on QCOM_APR && SOUNDWIRE
/linux/drivers/mfd/
H A Dcs42l43-sdw.c3 * CS42L43 SoundWire driver
18 #include <linux/soundwire/sdw.h>
19 #include <linux/soundwire/sdw_registers.h>
20 #include <linux/soundwire/sdw_type.h>
128 * just clearing up the additional Cirrus SoundWire registers that are in cs42l43_sdw_interrupt()
129 * not covered by the SoundWire framework or the IRQ handler itself. in cs42l43_sdw_interrupt()
151 "PLL active can't change SoundWire bus clock\n"); in cs42l43_sdw_bus_config()
210 MODULE_DESCRIPTION("CS42L43 SoundWire Driver");
/linux/Documentation/devicetree/bindings/sound/
H A Dadi,max98363.yaml7 title: Analog Devices MAX98363 SoundWire Amplifier
13 The MAX98363 is a SoundWire input Class D mono amplifier that
14 supports MIPI SoundWire v1.2-compatible digital interface for
16 SoundWire peripheral device ID of MAX98363 is 0x3*019f836300
42 soundwire@3250000 {
H A Dqcom,wcd939x-sdw.yaml7 title: Qualcomm SoundWire devices on WCD9390/WCD9395
14 It has RX and TX Soundwire devices. This bindings is for the devices.
47 soundwire@3210000 {
58 soundwire@3230000 {
/linux/Documentation/driver-api/soundwire/
H A Derror_handling.rst2 SoundWire Error Handling
5 The SoundWire PHY was designed with care and errors on the bus are going to
19 data enabled by the SoundWire protocol, the location of the error will also
44 it transitions to a NotFinished value of zero. The MIPI SoundWire spec 1.1
45 does not define timeouts but the MIPI SoundWire DisCo document adds
60 Note that SoundWire does not provide a mechanism to detect illegal values
H A Dlocking.rst2 SoundWire Locking
5 This document explains locking mechanism of the SoundWire Bus. Bus uses
16 SoundWire Bus lock is a mutex and is part of Bus data structure
18 serialize each of the following operations(s) within SoundWire Bus instance.
29 SoundWire message transfer lock. This mutex is part of
31 transfers (read/write) within a SoundWire Bus instance.
/linux/Documentation/sound/codecs/
H A Dcs35l56.rst41 *For systems using SoundWire*: sound/soc/codecs/cs35l56.c and associated files
55 On most SoundWire systems the amplifier has a default minimum capability to
62 On some SoundWire systems that have both CS42L43 and CS35L56/57 the CS35L56/57
64 SoundWire interface. These systems can be identified by the CS42L43 showing
65 in dmesg as a SoundWire device, but the CS35L56/57 as SPI. On these systems
108 SoundWire (except CS35L56 Rev B0):
111 SoundWire CS35L56 Rev B0:
114 Non-SoundWire (HDA and I2S):
122 * l?u? is the physical address on the SoundWire bus of the amp this
137 All SoundWire systems will require a Sound Open Firmware (SOF) for the
[all …]
/linux/sound/soc/sof/intel/
H A Dhda.c24 #include <linux/soundwire/sdw.h>
25 #include <linux/soundwire/sdw_intel.h>
50 * The default for SoundWire clock stop quirks is to power gate the IP
57 MODULE_PARM_DESC(sdw_clock_stop_quirks, "SOF SoundWire clock stop quirks");
188 * the SHIM and SoundWire register offsets are link-specific in hda_sdw_probe()
219 dev_err(sdev->dev, "error: SoundWire probe failed\n"); in hda_sdw_probe()
437 "error: could not startup SoundWire links\n"); in hda_dsp_post_fw_run()
628 /* Skip SoundWire if it is not supported */ in hda_init_caps()
632 /* Skip SoundWire in nocodec mode */ in hda_init_caps()
637 /* scan SoundWire capabilitie in hda_init_caps()
[all...]

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