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https://github.com/AuxXxilium/linux_dsm_epyc7002.git
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b3d8f7cad1
We never used this field (or in older SOF implementations), let's remove it Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com> Signed-off-by: Mark Brown <broonie@kernel.org>
121 lines
3.5 KiB
C
121 lines
3.5 KiB
C
/* SPDX-License-Identifier: GPL-2.0
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*
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* Copyright (C) 2013-15, Intel Corporation. All rights reserved.
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*/
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#ifndef __LINUX_SND_SOC_ACPI_H
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#define __LINUX_SND_SOC_ACPI_H
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#include <linux/stddef.h>
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#include <linux/acpi.h>
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#include <linux/mod_devicetable.h>
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struct snd_soc_acpi_package_context {
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char *name; /* package name */
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int length; /* number of elements */
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struct acpi_buffer *format;
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struct acpi_buffer *state;
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bool data_valid;
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};
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/* codec name is used in DAIs is i2c-<HID>:00 with HID being 8 chars */
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#define SND_ACPI_I2C_ID_LEN (4 + ACPI_ID_LEN + 3 + 1)
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#if IS_ENABLED(CONFIG_ACPI)
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/* acpi match */
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struct snd_soc_acpi_mach *
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snd_soc_acpi_find_machine(struct snd_soc_acpi_mach *machines);
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bool snd_soc_acpi_find_package_from_hid(const u8 hid[ACPI_ID_LEN],
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struct snd_soc_acpi_package_context *ctx);
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/* check all codecs */
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struct snd_soc_acpi_mach *snd_soc_acpi_codec_list(void *arg);
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#else
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/* acpi match */
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static inline struct snd_soc_acpi_mach *
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snd_soc_acpi_find_machine(struct snd_soc_acpi_mach *machines)
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{
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return NULL;
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}
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static inline bool
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snd_soc_acpi_find_package_from_hid(const u8 hid[ACPI_ID_LEN],
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struct snd_soc_acpi_package_context *ctx)
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{
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return false;
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}
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/* check all codecs */
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static inline struct snd_soc_acpi_mach *snd_soc_acpi_codec_list(void *arg)
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{
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return NULL;
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}
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#endif
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/**
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* snd_soc_acpi_mach_params: interface for machine driver configuration
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*
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* @acpi_ipc_irq_index: used for BYT-CR detection
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* @platform: string used for HDaudio codec support
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* @codec_mask: used for HDAudio support
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*/
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struct snd_soc_acpi_mach_params {
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u32 acpi_ipc_irq_index;
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const char *platform;
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u32 codec_mask;
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u32 dmic_num;
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};
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/**
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* snd_soc_acpi_mach: ACPI-based machine descriptor. Most of the fields are
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* related to the hardware, except for the firmware and topology file names.
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* A platform supported by legacy and Sound Open Firmware (SOF) would expose
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* all firmware/topology related fields.
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*
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* @id: ACPI ID (usually the codec's) used to find a matching machine driver.
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* @drv_name: machine driver name
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* @fw_filename: firmware file name. Used when SOF is not enabled.
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* @board: board name
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* @machine_quirk: pointer to quirk, usually based on DMI information when
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* ACPI ID alone is not sufficient, wrong or misleading
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* @quirk_data: data used to uniquely identify a machine, usually a list of
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* audio codecs whose presence if checked with ACPI
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* @pdata: intended for platform data or machine specific-ops. This structure
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* is not constant since this field may be updated at run-time
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* @sof_fw_filename: Sound Open Firmware file name, if enabled
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* @sof_tplg_filename: Sound Open Firmware topology file name, if enabled
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*/
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/* Descriptor for SST ASoC machine driver */
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struct snd_soc_acpi_mach {
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const u8 id[ACPI_ID_LEN];
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const char *drv_name;
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const char *fw_filename;
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const char *board;
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struct snd_soc_acpi_mach * (*machine_quirk)(void *arg);
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const void *quirk_data;
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void *pdata;
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struct snd_soc_acpi_mach_params mach_params;
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const char *sof_fw_filename;
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const char *sof_tplg_filename;
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};
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#define SND_SOC_ACPI_MAX_CODECS 3
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/**
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* struct snd_soc_acpi_codecs: Structure to hold secondary codec information
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* apart from the matched one, this data will be passed to the quirk function
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* to match with the ACPI detected devices
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*
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* @num_codecs: number of secondary codecs used in the platform
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* @codecs: holds the codec IDs
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*
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*/
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struct snd_soc_acpi_codecs {
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int num_codecs;
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u8 codecs[SND_SOC_ACPI_MAX_CODECS][ACPI_ID_LEN];
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};
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#endif
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