Adding upstream version 6.6.15.upstream/6.6.15

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 225 insertions, 0 deletions

diff --git a/include/sound/soc-acpi.h b/include/sound/soc-acpi.h
new file mode 100644
index 0000000000..23d6d6bfb0
--- /dev/null
+++ b/include/sound/soc-acpi.h
@@ -0,0 +1,225 @@
+/* SPDX-License-Identifier: GPL-2.0-only
+ *
+ * Copyright (C) 2013-15, Intel Corporation. All rights reserved.
+ */
+
+#ifndef __LINUX_SND_SOC_ACPI_H
+#define __LINUX_SND_SOC_ACPI_H
+
+#include <linux/stddef.h>
+#include <linux/acpi.h>
+#include <linux/mod_devicetable.h>
+#include <linux/soundwire/sdw.h>
+
+struct snd_soc_acpi_package_context {
+	char *name;           /* package name */
+	int length;           /* number of elements */
+	struct acpi_buffer *format;
+	struct acpi_buffer *state;
+	bool data_valid;
+};
+
+/* codec name is used in DAIs is i2c-<HID>:00 with HID being 8 chars */
+#define SND_ACPI_I2C_ID_LEN (4 + ACPI_ID_LEN + 3 + 1)
+
+#if IS_ENABLED(CONFIG_ACPI)
+/* acpi match */
+struct snd_soc_acpi_mach *
+snd_soc_acpi_find_machine(struct snd_soc_acpi_mach *machines);
+
+bool snd_soc_acpi_find_package_from_hid(const u8 hid[ACPI_ID_LEN],
+				    struct snd_soc_acpi_package_context *ctx);
+
+/* check all codecs */
+struct snd_soc_acpi_mach *snd_soc_acpi_codec_list(void *arg);
+
+#else
+/* acpi match */
+static inline struct snd_soc_acpi_mach *
+snd_soc_acpi_find_machine(struct snd_soc_acpi_mach *machines)
+{
+	return NULL;
+}
+
+static inline bool
+snd_soc_acpi_find_package_from_hid(const u8 hid[ACPI_ID_LEN],
+				   struct snd_soc_acpi_package_context *ctx)
+{
+	return false;
+}
+
+/* check all codecs */
+static inline struct snd_soc_acpi_mach *snd_soc_acpi_codec_list(void *arg)
+{
+	return NULL;
+}
+#endif
+
+/**
+ * snd_soc_acpi_mach_params: interface for machine driver configuration
+ *
+ * @acpi_ipc_irq_index: used for BYT-CR detection
+ * @platform: string used for HDAudio codec support
+ * @codec_mask: used for HDAudio support
+ * @dmic_num: number of SoC- or chipset-attached PDM digital microphones
+ * @common_hdmi_codec_drv: use commom HDAudio HDMI codec driver
+ * @link_mask: SoundWire links enabled on the board
+ * @links: array of SoundWire link _ADR descriptors, null terminated
+ * @i2s_link_mask: I2S/TDM links enabled on the board
+ * @num_dai_drivers: number of elements in @dai_drivers
+ * @dai_drivers: pointer to dai_drivers, used e.g. in nocodec mode
+ * @subsystem_vendor: optional PCI SSID vendor value
+ * @subsystem_device: optional PCI SSID device value
+ * @subsystem_id_set: true if a value has been written to
+ *		      subsystem_vendor and subsystem_device.
+ */
+struct snd_soc_acpi_mach_params {
+	u32 acpi_ipc_irq_index;
+	const char *platform;
+	u32 codec_mask;
+	u32 dmic_num;
+	bool common_hdmi_codec_drv;
+	u32 link_mask;
+	const struct snd_soc_acpi_link_adr *links;
+	u32 i2s_link_mask;
+	u32 num_dai_drivers;
+	struct snd_soc_dai_driver *dai_drivers;
+	unsigned short subsystem_vendor;
+	unsigned short subsystem_device;
+	bool subsystem_id_set;
+};
+
+/**
+ * snd_soc_acpi_endpoint - endpoint descriptor
+ * @num: endpoint number (mandatory, unique per device)
+ * @aggregated: 0 (independent) or 1 (logically grouped)
+ * @group_position: zero-based order (only when @aggregated is 1)
+ * @group_id: platform-unique group identifier (only when @aggregrated is 1)
+ */
+struct snd_soc_acpi_endpoint {
+	u8 num;
+	u8 aggregated;
+	u8 group_position;
+	u8 group_id;
+};
+
+/**
+ * snd_soc_acpi_adr_device - descriptor for _ADR-enumerated device
+ * @adr: 64 bit ACPI _ADR value
+ * @num_endpoints: number of endpoints for this device
+ * @endpoints: array of endpoints
+ * @name_prefix: string used for codec controls
+ */
+struct snd_soc_acpi_adr_device {
+	const u64 adr;
+	const u8 num_endpoints;
+	const struct snd_soc_acpi_endpoint *endpoints;
+	const char *name_prefix;
+};
+
+/**
+ * snd_soc_acpi_link_adr - ACPI-based list of _ADR enumerated devices
+ * @mask: one bit set indicates the link this list applies to
+ * @num_adr: ARRAY_SIZE of devices
+ * @adr_d: array of devices
+ *
+ * The number of devices per link can be more than 1, e.g. in SoundWire
+ * multi-drop configurations.
+ */
+
+struct snd_soc_acpi_link_adr {
+	const u32 mask;
+	const u32 num_adr;
+	const struct snd_soc_acpi_adr_device *adr_d;
+};
+
+/*
+ * when set the topology uses the -ssp<N> suffix, where N is determined based on
+ * BIOS or DMI information
+ */
+#define SND_SOC_ACPI_TPLG_INTEL_SSP_NUMBER BIT(0)
+
+/*
+ * when more than one SSP is reported in the link mask, use the most significant.
+ * This choice was found to be valid on platforms with ES8336 codecs.
+ */
+#define SND_SOC_ACPI_TPLG_INTEL_SSP_MSB BIT(1)
+
+/*
+ * when set the topology uses the -dmic<N>ch suffix, where N is determined based on
+ * BIOS or DMI information
+ */
+#define SND_SOC_ACPI_TPLG_INTEL_DMIC_NUMBER BIT(2)
+
+/**
+ * snd_soc_acpi_mach: ACPI-based machine descriptor. Most of the fields are
+ * related to the hardware, except for the firmware and topology file names.
+ * A platform supported by legacy and Sound Open Firmware (SOF) would expose
+ * all firmware/topology related fields.
+ *
+ * @id: ACPI ID (usually the codec's) used to find a matching machine driver.
+ * @uid: ACPI Unique ID, can be used to disambiguate matches.
+ * @comp_ids: list of compatible audio codecs using the same machine driver,
+ * firmware and topology
+ * @link_mask: describes required board layout, e.g. for SoundWire.
+ * @links: array of link _ADR descriptors, null terminated.
+ * @drv_name: machine driver name
+ * @fw_filename: firmware file name. Used when SOF is not enabled.
+ * @tplg_filename: topology file name. Used when SOF is not enabled.
+ * @board: board name
+ * @machine_quirk: pointer to quirk, usually based on DMI information when
+ * ACPI ID alone is not sufficient, wrong or misleading
+ * @quirk_data: data used to uniquely identify a machine, usually a list of
+ * audio codecs whose presence if checked with ACPI
+ * @pdata: intended for platform data or machine specific-ops. This structure
+ *  is not constant since this field may be updated at run-time
+ * @sof_tplg_filename: Sound Open Firmware topology file name, if enabled
+ * @tplg_quirk_mask: quirks to select different topology files dynamically
+ */
+/* Descriptor for SST ASoC machine driver */
+struct snd_soc_acpi_mach {
+	u8 id[ACPI_ID_LEN];
+	const char *uid;
+	const struct snd_soc_acpi_codecs *comp_ids;
+	const u32 link_mask;
+	const struct snd_soc_acpi_link_adr *links;
+	const char *drv_name;
+	const char *fw_filename;
+	const char *tplg_filename;
+	const char *board;
+	struct snd_soc_acpi_mach * (*machine_quirk)(void *arg);
+	const void *quirk_data;
+	void *pdata;
+	struct snd_soc_acpi_mach_params mach_params;
+	const char *sof_tplg_filename;
+	const u32 tplg_quirk_mask;
+};
+
+#define SND_SOC_ACPI_MAX_CODECS 3
+
+/**
+ * struct snd_soc_acpi_codecs: Structure to hold secondary codec information
+ * apart from the matched one, this data will be passed to the quirk function
+ * to match with the ACPI detected devices
+ *
+ * @num_codecs: number of secondary codecs used in the platform
+ * @codecs: holds the codec IDs
+ *
+ */
+struct snd_soc_acpi_codecs {
+	int num_codecs;
+	u8 codecs[SND_SOC_ACPI_MAX_CODECS][ACPI_ID_LEN];
+};
+
+static inline bool snd_soc_acpi_sof_parent(struct device *dev)
+{
+	return dev->parent && dev->parent->driver && dev->parent->driver->name &&
+		!strncmp(dev->parent->driver->name, "sof-audio-acpi", strlen("sof-audio-acpi"));
+}
+
+bool snd_soc_acpi_sdw_link_slaves_found(struct device *dev,
+					const struct snd_soc_acpi_link_adr *link,
+					struct sdw_extended_slave_id *ids,
+					int num_slaves);
+
+#endif