diff options
Diffstat (limited to 'include/sound')
| -rw-r--r-- | include/sound/soc-acpi-intel-match.h | 32 | ||||
| -rw-r--r-- | include/sound/soc-acpi.h | 111 | ||||
| -rw-r--r-- | include/sound/soc.h | 14 |
3 files changed, 157 insertions, 0 deletions
diff --git a/include/sound/soc-acpi-intel-match.h b/include/sound/soc-acpi-intel-match.h new file mode 100644 index 0000000..1a9191c --- /dev/null +++ b/include/sound/soc-acpi-intel-match.h @@ -0,0 +1,32 @@ + +/* + * Copyright (C) 2017, Intel Corporation. All rights reserved. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License version + * 2 as published by the Free Software Foundation. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + */ + +#ifndef __LINUX_SND_SOC_ACPI_INTEL_MATCH_H +#define __LINUX_SND_SOC_ACPI_INTEL_MATCH_H + +#include <linux/stddef.h> +#include <linux/acpi.h> + +/* + * these tables are not constants, some fields can be used for + * pdata or machine ops + */ +extern struct snd_soc_acpi_mach snd_soc_acpi_intel_haswell_machines[]; +extern struct snd_soc_acpi_mach snd_soc_acpi_intel_broadwell_machines[]; +extern struct snd_soc_acpi_mach snd_soc_acpi_intel_baytrail_legacy_machines[]; +extern struct snd_soc_acpi_mach snd_soc_acpi_intel_baytrail_machines[]; +extern struct snd_soc_acpi_mach snd_soc_acpi_intel_cherrytrail_machines[]; + +#endif diff --git a/include/sound/soc-acpi.h b/include/sound/soc-acpi.h new file mode 100644 index 0000000..a7d8d335 --- /dev/null +++ b/include/sound/soc-acpi.h @@ -0,0 +1,111 @@ +/* + * Copyright (C) 2013-15, Intel Corporation. All rights reserved. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License version + * 2 as published by the Free Software Foundation. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + */ + +#ifndef __LINUX_SND_SOC_ACPI_H +#define __LINUX_SND_SOC_ACPI_H + +#include <linux/stddef.h> +#include <linux/acpi.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; +}; + +#if IS_ENABLED(CONFIG_ACPI) +/* translation fron HID to I2C name, needed for DAI codec_name */ +const char *snd_soc_acpi_find_name_from_hid(const u8 hid[ACPI_ID_LEN]); +bool snd_soc_acpi_find_package_from_hid(const u8 hid[ACPI_ID_LEN], + struct snd_soc_acpi_package_context *ctx); +#else +static inline const char * +snd_soc_acpi_find_name_from_hid(const u8 hid[ACPI_ID_LEN]) +{ + 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; +} +#endif + +/* acpi match */ +struct snd_soc_acpi_mach * +snd_soc_acpi_find_machine(struct snd_soc_acpi_mach *machines); + +/* acpi check hid */ +bool snd_soc_acpi_check_hid(const u8 hid[ACPI_ID_LEN]); + +/** + * 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. + * @drv_name: machine driver name + * @fw_filename: firmware 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_fw_filename: Sound Open Firmware file name, if enabled + * @sof_tplg_filename: Sound Open Firmware topology file name, if enabled + * @asoc_plat_name: ASoC platform name, used for binding machine drivers + * if non NULL + * @new_mach_data: machine driver private data fixup + */ +/* Descriptor for SST ASoC machine driver */ +struct snd_soc_acpi_mach { + const u8 id[ACPI_ID_LEN]; + const char *drv_name; + const char *fw_filename; + const char *board; + struct snd_soc_acpi_mach * (*machine_quirk)(void *arg); + const void *quirk_data; + void *pdata; + const char *sof_fw_filename; + const char *sof_tplg_filename; + const char *asoc_plat_name; + struct platform_device * (*new_mach_data)(void *pdata); +}; + +#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]; +}; + +/* check all codecs */ +struct snd_soc_acpi_mach *snd_soc_acpi_codec_list(void *arg); + +#endif diff --git a/include/sound/soc.h b/include/sound/soc.h index 0668cbd..1a73232 100644 --- a/include/sound/soc.h +++ b/include/sound/soc.h @@ -1821,6 +1821,20 @@ struct snd_soc_dai *snd_soc_find_dai( #include <sound/soc-dai.h> +static inline +struct snd_soc_dai *snd_soc_card_get_codec_dai(struct snd_soc_card *card, + const char *dai_name) +{ + struct snd_soc_pcm_runtime *rtd; + + list_for_each_entry(rtd, &card->rtd_list, list) { + if (!strcmp(rtd->codec_dai->name, dai_name)) + return rtd->codec_dai; + } + + return NULL; +} + #ifdef CONFIG_DEBUG_FS extern struct dentry *snd_soc_debugfs_root; #endif |
