// SPDX-License-Identifier: (GPL-2.0-only OR BSD-3-Clause) // // This file is provided under a dual BSD/GPLv2 license. When using or // redistributing this file, you may do so under either license. // // Copyright(c) 2018 Intel Corporation // // Author: Liam Girdwood <[email protected]> // #include <linux/bits.h> #include <linux/device.h> #include <linux/errno.h> #include <linux/firmware.h> #include <linux/workqueue.h> #include <sound/tlv.h> #include <uapi/sound/sof/tokens.h> #include "sof-priv.h" #include "sof-audio.h" #include "ops.h" #define COMP_ID_UNASSIGNED … /* * Constants used in the computation of linear volume gain * from dB gain 20th root of 10 in Q1.16 fixed-point notation */ #define VOL_TWENTIETH_ROOT_OF_TEN … /* 40th root of 10 in Q1.16 fixed-point notation*/ #define VOL_FORTIETH_ROOT_OF_TEN … /* 0.5 dB step value in topology TLV */ #define VOL_HALF_DB_STEP … /* TLV data items */ #define TLV_MIN … #define TLV_STEP … #define TLV_MUTE … /** * sof_update_ipc_object - Parse multiple sets of tokens within the token array associated with the * token ID. * @scomp: pointer to SOC component * @object: target IPC struct to save the parsed values * @token_id: token ID for the token array to be searched * @tuples: pointer to the tuples array * @num_tuples: number of tuples in the tuples array * @object_size: size of the object * @token_instance_num: number of times the same @token_id needs to be parsed i.e. the function * looks for @token_instance_num of each token in the token array associated * with the @token_id */ int sof_update_ipc_object(struct snd_soc_component *scomp, void *object, enum sof_tokens token_id, struct snd_sof_tuple *tuples, int num_tuples, size_t object_size, int token_instance_num) { … } static inline int get_tlv_data(const int *p, int tlv[SOF_TLV_ITEMS]) { … } /* * Function to truncate an unsigned 64-bit number * by x bits and return 32-bit unsigned number. This * function also takes care of rounding while truncating */ static inline u32 vol_shift_64(u64 i, u32 x) { … } /* * Function to compute a ^ exp where, * a is a fractional number represented by a fixed-point * integer with a fractional world length of "fwl" * exp is an integer * fwl is the fractional word length * Return value is a fractional number represented by a * fixed-point integer with a fractional word length of "fwl" */ static u32 vol_pow32(u32 a, int exp, u32 fwl) { … } /* * Function to calculate volume gain from TLV data. * This function can only handle gain steps that are multiples of 0.5 dB */ u32 vol_compute_gain(u32 value, int *tlv) { … } /* * Set up volume table for kcontrols from tlv data * "size" specifies the number of entries in the table */ static int set_up_volume_table(struct snd_sof_control *scontrol, int tlv[SOF_TLV_ITEMS], int size) { … } struct sof_dai_types { … }; static const struct sof_dai_types sof_dais[] = …; static enum sof_ipc_dai_type find_dai(const char *name) { … } /* * Supported Frame format types and lookup, add new ones to end of list. */ struct sof_frame_types { … }; static const struct sof_frame_types sof_frames[] = …; static enum sof_ipc_frame find_format(const char *name) { … } int get_token_u32(void *elem, void *object, u32 offset) { … } int get_token_u16(void *elem, void *object, u32 offset) { … } int get_token_uuid(void *elem, void *object, u32 offset) { … } /* * The string gets from topology will be stored in heap, the owner only * holds a char* member point to the heap. */ int get_token_string(void *elem, void *object, u32 offset) { /* "dst" here points to the char* member of the owner */ char **dst = (char **)((u8 *)object + offset); *dst = kstrdup(elem, GFP_KERNEL); if (!*dst) return -ENOMEM; return 0; }; int get_token_comp_format(void *elem, void *object, u32 offset) { … } int get_token_dai_type(void *elem, void *object, u32 offset) { … } /* PCM */ static const struct sof_topology_token stream_tokens[] = …; /* Leds */ static const struct sof_topology_token led_tokens[] = …; static const struct sof_topology_token comp_pin_tokens[] = …; static const struct sof_topology_token comp_input_pin_binding_tokens[] = …; static const struct sof_topology_token comp_output_pin_binding_tokens[] = …; /** * sof_parse_uuid_tokens - Parse multiple sets of UUID tokens * @scomp: pointer to soc component * @object: target ipc struct for parsed values * @offset: offset within the object pointer * @tokens: array of struct sof_topology_token containing the tokens to be matched * @num_tokens: number of tokens in tokens array * @array: source pointer to consecutive vendor arrays in topology * * This function parses multiple sets of string type tokens in vendor arrays */ static int sof_parse_uuid_tokens(struct snd_soc_component *scomp, void *object, size_t offset, const struct sof_topology_token *tokens, int num_tokens, struct snd_soc_tplg_vendor_array *array) { … } /** * sof_copy_tuples - Parse tokens and copy them to the @tuples array * @sdev: pointer to struct snd_sof_dev * @array: source pointer to consecutive vendor arrays in topology * @array_size: size of @array * @token_id: Token ID associated with a token array * @token_instance_num: number of times the same @token_id needs to be parsed i.e. the function * looks for @token_instance_num of each token in the token array associated * with the @token_id * @tuples: tuples array to copy the matched tuples to * @tuples_size: size of @tuples * @num_copied_tuples: pointer to the number of copied tuples in the tuples array * */ static int sof_copy_tuples(struct snd_sof_dev *sdev, struct snd_soc_tplg_vendor_array *array, int array_size, u32 token_id, int token_instance_num, struct snd_sof_tuple *tuples, int tuples_size, int *num_copied_tuples) { … } /** * sof_parse_string_tokens - Parse multiple sets of tokens * @scomp: pointer to soc component * @object: target ipc struct for parsed values * @offset: offset within the object pointer * @tokens: array of struct sof_topology_token containing the tokens to be matched * @num_tokens: number of tokens in tokens array * @array: source pointer to consecutive vendor arrays in topology * * This function parses multiple sets of string type tokens in vendor arrays */ static int sof_parse_string_tokens(struct snd_soc_component *scomp, void *object, int offset, const struct sof_topology_token *tokens, int num_tokens, struct snd_soc_tplg_vendor_array *array) { … } /** * sof_parse_word_tokens - Parse multiple sets of tokens * @scomp: pointer to soc component * @object: target ipc struct for parsed values * @offset: offset within the object pointer * @tokens: array of struct sof_topology_token containing the tokens to be matched * @num_tokens: number of tokens in tokens array * @array: source pointer to consecutive vendor arrays in topology * * This function parses multiple sets of word type tokens in vendor arrays */ static int sof_parse_word_tokens(struct snd_soc_component *scomp, void *object, int offset, const struct sof_topology_token *tokens, int num_tokens, struct snd_soc_tplg_vendor_array *array) { … } /** * sof_parse_token_sets - Parse multiple sets of tokens * @scomp: pointer to soc component * @object: target ipc struct for parsed values * @tokens: token definition array describing what tokens to parse * @count: number of tokens in definition array * @array: source pointer to consecutive vendor arrays in topology * @array_size: total size of @array * @token_instance_num: number of times the same tokens needs to be parsed i.e. the function * looks for @token_instance_num of each token in the @tokens * @object_size: offset to next target ipc struct with multiple sets * * This function parses multiple sets of tokens in vendor arrays into * consecutive ipc structs. */ static int sof_parse_token_sets(struct snd_soc_component *scomp, void *object, const struct sof_topology_token *tokens, int count, struct snd_soc_tplg_vendor_array *array, int array_size, int token_instance_num, size_t object_size) { … } /** * sof_parse_tokens - Parse one set of tokens * @scomp: pointer to soc component * @object: target ipc struct for parsed values * @tokens: token definition array describing what tokens to parse * @num_tokens: number of tokens in definition array * @array: source pointer to consecutive vendor arrays in topology * @array_size: total size of @array * * This function parses a single set of tokens in vendor arrays into * consecutive ipc structs. */ static int sof_parse_tokens(struct snd_soc_component *scomp, void *object, const struct sof_topology_token *tokens, int num_tokens, struct snd_soc_tplg_vendor_array *array, int array_size) { … } /* * Standard Kcontrols. */ static int sof_control_load_volume(struct snd_soc_component *scomp, struct snd_sof_control *scontrol, struct snd_kcontrol_new *kc, struct snd_soc_tplg_ctl_hdr *hdr) { … } static int sof_control_load_enum(struct snd_soc_component *scomp, struct snd_sof_control *scontrol, struct snd_kcontrol_new *kc, struct snd_soc_tplg_ctl_hdr *hdr) { … } static int sof_control_load_bytes(struct snd_soc_component *scomp, struct snd_sof_control *scontrol, struct snd_kcontrol_new *kc, struct snd_soc_tplg_ctl_hdr *hdr) { … } /* external kcontrol init - used for any driver specific init */ static int sof_control_load(struct snd_soc_component *scomp, int index, struct snd_kcontrol_new *kc, struct snd_soc_tplg_ctl_hdr *hdr) { … } static int sof_control_unload(struct snd_soc_component *scomp, struct snd_soc_dobj *dobj) { … } /* * DAI Topology */ static int sof_connect_dai_widget(struct snd_soc_component *scomp, struct snd_soc_dapm_widget *w, struct snd_soc_tplg_dapm_widget *tw, struct snd_sof_dai *dai) { … } static void sof_disconnect_dai_widget(struct snd_soc_component *scomp, struct snd_soc_dapm_widget *w) { … } /* bind PCM ID to host component ID */ static int spcm_bind(struct snd_soc_component *scomp, struct snd_sof_pcm *spcm, int dir) { … } static int sof_get_token_value(u32 token_id, struct snd_sof_tuple *tuples, int num_tuples) { … } static int sof_widget_parse_tokens(struct snd_soc_component *scomp, struct snd_sof_widget *swidget, struct snd_soc_tplg_dapm_widget *tw, enum sof_tokens *object_token_list, int count) { … } static void sof_free_pin_binding(struct snd_sof_widget *swidget, bool pin_type) { … } static int sof_parse_pin_binding(struct snd_sof_widget *swidget, struct snd_soc_tplg_private *priv, bool pin_type) { … } static int get_w_no_wname_in_long_name(void *elem, void *object, u32 offset) { … } static const struct sof_topology_token dapm_widget_tokens[] = …; /* external widget init - used for any driver specific init */ static int sof_widget_ready(struct snd_soc_component *scomp, int index, struct snd_soc_dapm_widget *w, struct snd_soc_tplg_dapm_widget *tw) { … } static int sof_route_unload(struct snd_soc_component *scomp, struct snd_soc_dobj *dobj) { … } static int sof_widget_unload(struct snd_soc_component *scomp, struct snd_soc_dobj *dobj) { … } /* * DAI HW configuration. */ /* FE DAI - used for any driver specific init */ static int sof_dai_load(struct snd_soc_component *scomp, int index, struct snd_soc_dai_driver *dai_drv, struct snd_soc_tplg_pcm *pcm, struct snd_soc_dai *dai) { … } static int sof_dai_unload(struct snd_soc_component *scomp, struct snd_soc_dobj *dobj) { … } static const struct sof_topology_token common_dai_link_tokens[] = …; /* DAI link - used for any driver specific init */ static int sof_link_load(struct snd_soc_component *scomp, int index, struct snd_soc_dai_link *link, struct snd_soc_tplg_link_config *cfg) { … } static int sof_link_unload(struct snd_soc_component *scomp, struct snd_soc_dobj *dobj) { … } /* DAI link - used for any driver specific init */ static int sof_route_load(struct snd_soc_component *scomp, int index, struct snd_soc_dapm_route *route) { … } /** * sof_set_widget_pipeline - Set pipeline for a component * @sdev: pointer to struct snd_sof_dev * @spipe: pointer to struct snd_sof_pipeline * @swidget: pointer to struct snd_sof_widget that has the same pipeline ID as @pipe_widget * * Return: 0 if successful, -EINVAL on error. * The function checks if @swidget is associated with any volatile controls. If so, setting * the dynamic_pipeline_widget is disallowed. */ static int sof_set_widget_pipeline(struct snd_sof_dev *sdev, struct snd_sof_pipeline *spipe, struct snd_sof_widget *swidget) { … } /* completion - called at completion of firmware loading */ static int sof_complete(struct snd_soc_component *scomp) { … } /* manifest - optional to inform component of manifest */ static int sof_manifest(struct snd_soc_component *scomp, int index, struct snd_soc_tplg_manifest *man) { … } /* vendor specific kcontrol handlers available for binding */ static const struct snd_soc_tplg_kcontrol_ops sof_io_ops[] = …; /* vendor specific bytes ext handlers available for binding */ static const struct snd_soc_tplg_bytes_ext_ops sof_bytes_ext_ops[] = …; static const struct snd_soc_tplg_ops sof_tplg_ops = …; static int snd_sof_dspless_kcontrol(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) { … } static const struct snd_soc_tplg_kcontrol_ops sof_dspless_io_ops[] = …; static int snd_sof_dspless_bytes_ext_get(struct snd_kcontrol *kcontrol, unsigned int __user *binary_data, unsigned int size) { … } static int snd_sof_dspless_bytes_ext_put(struct snd_kcontrol *kcontrol, const unsigned int __user *binary_data, unsigned int size) { … } static const struct snd_soc_tplg_bytes_ext_ops sof_dspless_bytes_ext_ops[] = …; /* external widget init - used for any driver specific init */ static int sof_dspless_widget_ready(struct snd_soc_component *scomp, int index, struct snd_soc_dapm_widget *w, struct snd_soc_tplg_dapm_widget *tw) { … } static int sof_dspless_widget_unload(struct snd_soc_component *scomp, struct snd_soc_dobj *dobj) { … } static int sof_dspless_link_load(struct snd_soc_component *scomp, int index, struct snd_soc_dai_link *link, struct snd_soc_tplg_link_config *cfg) { … } static const struct snd_soc_tplg_ops sof_dspless_tplg_ops = …; int snd_sof_load_topology(struct snd_soc_component *scomp, const char *file) { … } EXPORT_SYMBOL(…);
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