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2669 lines
71 KiB
2669 lines
71 KiB
// SPDX-License-Identifier: GPL-2.0+ |
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// |
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// soc-topology.c -- ALSA SoC Topology |
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// |
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// Copyright (C) 2012 Texas Instruments Inc. |
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// Copyright (C) 2015 Intel Corporation. |
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// |
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// Authors: Liam Girdwood <[email protected]> |
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// K, Mythri P <[email protected]> |
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// Prusty, Subhransu S <[email protected]> |
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// B, Jayachandran <[email protected]> |
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// Abdullah, Omair M <[email protected]> |
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// Jin, Yao <[email protected]> |
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// Lin, Mengdong <[email protected]> |
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// |
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// Add support to read audio firmware topology alongside firmware text. The |
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// topology data can contain kcontrols, DAPM graphs, widgets, DAIs, DAI links, |
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// equalizers, firmware, coefficients etc. |
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// |
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// This file only manages the core ALSA and ASoC components, all other bespoke |
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// firmware topology data is passed to component drivers for bespoke handling. |
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|
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#include <linux/kernel.h> |
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#include <linux/export.h> |
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#include <linux/list.h> |
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#include <linux/firmware.h> |
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#include <linux/slab.h> |
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#include <sound/soc.h> |
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#include <sound/soc-dapm.h> |
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#include <sound/soc-topology.h> |
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#include <sound/tlv.h> |
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|
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#define SOC_TPLG_MAGIC_BIG_ENDIAN 0x436F5341 /* ASoC in reverse */ |
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|
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/* |
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* We make several passes over the data (since it wont necessarily be ordered) |
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* and process objects in the following order. This guarantees the component |
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* drivers will be ready with any vendor data before the mixers and DAPM objects |
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* are loaded (that may make use of the vendor data). |
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*/ |
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#define SOC_TPLG_PASS_MANIFEST 0 |
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#define SOC_TPLG_PASS_VENDOR 1 |
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#define SOC_TPLG_PASS_CONTROL 2 |
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#define SOC_TPLG_PASS_WIDGET 3 |
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#define SOC_TPLG_PASS_PCM_DAI 4 |
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#define SOC_TPLG_PASS_GRAPH 5 |
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#define SOC_TPLG_PASS_PINS 6 |
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#define SOC_TPLG_PASS_BE_DAI 7 |
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#define SOC_TPLG_PASS_LINK 8 |
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|
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#define SOC_TPLG_PASS_START SOC_TPLG_PASS_MANIFEST |
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#define SOC_TPLG_PASS_END SOC_TPLG_PASS_LINK |
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|
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/* topology context */ |
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struct soc_tplg { |
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const struct firmware *fw; |
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|
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/* runtime FW parsing */ |
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const u8 *pos; /* read position */ |
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const u8 *hdr_pos; /* header position */ |
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unsigned int pass; /* pass number */ |
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|
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/* component caller */ |
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struct device *dev; |
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struct snd_soc_component *comp; |
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u32 index; /* current block index */ |
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|
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/* vendor specific kcontrol operations */ |
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const struct snd_soc_tplg_kcontrol_ops *io_ops; |
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int io_ops_count; |
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|
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/* vendor specific bytes ext handlers, for TLV bytes controls */ |
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const struct snd_soc_tplg_bytes_ext_ops *bytes_ext_ops; |
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int bytes_ext_ops_count; |
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|
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/* optional fw loading callbacks to component drivers */ |
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struct snd_soc_tplg_ops *ops; |
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}; |
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|
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static int soc_tplg_process_headers(struct soc_tplg *tplg); |
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static int soc_tplg_complete(struct soc_tplg *tplg); |
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|
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/* check we dont overflow the data for this control chunk */ |
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static int soc_tplg_check_elem_count(struct soc_tplg *tplg, size_t elem_size, |
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unsigned int count, size_t bytes, const char *elem_type) |
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{ |
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const u8 *end = tplg->pos + elem_size * count; |
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|
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if (end > tplg->fw->data + tplg->fw->size) { |
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dev_err(tplg->dev, "ASoC: %s overflow end of data\n", |
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elem_type); |
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return -EINVAL; |
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} |
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|
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/* check there is enough room in chunk for control. |
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extra bytes at the end of control are for vendor data here */ |
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if (elem_size * count > bytes) { |
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dev_err(tplg->dev, |
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"ASoC: %s count %d of size %zu is bigger than chunk %zu\n", |
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elem_type, count, elem_size, bytes); |
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return -EINVAL; |
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} |
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|
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return 0; |
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} |
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|
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static inline bool soc_tplg_is_eof(struct soc_tplg *tplg) |
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{ |
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const u8 *end = tplg->hdr_pos; |
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|
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if (end >= tplg->fw->data + tplg->fw->size) |
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return true; |
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return false; |
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} |
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|
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static inline unsigned long soc_tplg_get_hdr_offset(struct soc_tplg *tplg) |
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{ |
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return (unsigned long)(tplg->hdr_pos - tplg->fw->data); |
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} |
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|
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static inline unsigned long soc_tplg_get_offset(struct soc_tplg *tplg) |
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{ |
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return (unsigned long)(tplg->pos - tplg->fw->data); |
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} |
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|
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/* mapping of Kcontrol types and associated operations. */ |
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static const struct snd_soc_tplg_kcontrol_ops io_ops[] = { |
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{SND_SOC_TPLG_CTL_VOLSW, snd_soc_get_volsw, |
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snd_soc_put_volsw, snd_soc_info_volsw}, |
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{SND_SOC_TPLG_CTL_VOLSW_SX, snd_soc_get_volsw_sx, |
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snd_soc_put_volsw_sx, NULL}, |
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{SND_SOC_TPLG_CTL_ENUM, snd_soc_get_enum_double, |
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snd_soc_put_enum_double, snd_soc_info_enum_double}, |
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{SND_SOC_TPLG_CTL_ENUM_VALUE, snd_soc_get_enum_double, |
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snd_soc_put_enum_double, NULL}, |
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{SND_SOC_TPLG_CTL_BYTES, snd_soc_bytes_get, |
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snd_soc_bytes_put, snd_soc_bytes_info}, |
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{SND_SOC_TPLG_CTL_RANGE, snd_soc_get_volsw_range, |
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snd_soc_put_volsw_range, snd_soc_info_volsw_range}, |
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{SND_SOC_TPLG_CTL_VOLSW_XR_SX, snd_soc_get_xr_sx, |
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snd_soc_put_xr_sx, snd_soc_info_xr_sx}, |
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{SND_SOC_TPLG_CTL_STROBE, snd_soc_get_strobe, |
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snd_soc_put_strobe, NULL}, |
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{SND_SOC_TPLG_DAPM_CTL_VOLSW, snd_soc_dapm_get_volsw, |
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snd_soc_dapm_put_volsw, snd_soc_info_volsw}, |
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{SND_SOC_TPLG_DAPM_CTL_ENUM_DOUBLE, snd_soc_dapm_get_enum_double, |
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snd_soc_dapm_put_enum_double, snd_soc_info_enum_double}, |
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{SND_SOC_TPLG_DAPM_CTL_ENUM_VIRT, snd_soc_dapm_get_enum_double, |
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snd_soc_dapm_put_enum_double, NULL}, |
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{SND_SOC_TPLG_DAPM_CTL_ENUM_VALUE, snd_soc_dapm_get_enum_double, |
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snd_soc_dapm_put_enum_double, NULL}, |
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{SND_SOC_TPLG_DAPM_CTL_PIN, snd_soc_dapm_get_pin_switch, |
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snd_soc_dapm_put_pin_switch, snd_soc_dapm_info_pin_switch}, |
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}; |
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struct soc_tplg_map { |
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int uid; |
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int kid; |
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}; |
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|
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/* mapping of widget types from UAPI IDs to kernel IDs */ |
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static const struct soc_tplg_map dapm_map[] = { |
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{SND_SOC_TPLG_DAPM_INPUT, snd_soc_dapm_input}, |
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{SND_SOC_TPLG_DAPM_OUTPUT, snd_soc_dapm_output}, |
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{SND_SOC_TPLG_DAPM_MUX, snd_soc_dapm_mux}, |
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{SND_SOC_TPLG_DAPM_MIXER, snd_soc_dapm_mixer}, |
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{SND_SOC_TPLG_DAPM_PGA, snd_soc_dapm_pga}, |
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{SND_SOC_TPLG_DAPM_OUT_DRV, snd_soc_dapm_out_drv}, |
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{SND_SOC_TPLG_DAPM_ADC, snd_soc_dapm_adc}, |
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{SND_SOC_TPLG_DAPM_DAC, snd_soc_dapm_dac}, |
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{SND_SOC_TPLG_DAPM_SWITCH, snd_soc_dapm_switch}, |
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{SND_SOC_TPLG_DAPM_PRE, snd_soc_dapm_pre}, |
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{SND_SOC_TPLG_DAPM_POST, snd_soc_dapm_post}, |
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{SND_SOC_TPLG_DAPM_AIF_IN, snd_soc_dapm_aif_in}, |
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{SND_SOC_TPLG_DAPM_AIF_OUT, snd_soc_dapm_aif_out}, |
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{SND_SOC_TPLG_DAPM_DAI_IN, snd_soc_dapm_dai_in}, |
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{SND_SOC_TPLG_DAPM_DAI_OUT, snd_soc_dapm_dai_out}, |
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{SND_SOC_TPLG_DAPM_DAI_LINK, snd_soc_dapm_dai_link}, |
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{SND_SOC_TPLG_DAPM_BUFFER, snd_soc_dapm_buffer}, |
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{SND_SOC_TPLG_DAPM_SCHEDULER, snd_soc_dapm_scheduler}, |
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{SND_SOC_TPLG_DAPM_EFFECT, snd_soc_dapm_effect}, |
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{SND_SOC_TPLG_DAPM_SIGGEN, snd_soc_dapm_siggen}, |
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{SND_SOC_TPLG_DAPM_SRC, snd_soc_dapm_src}, |
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{SND_SOC_TPLG_DAPM_ASRC, snd_soc_dapm_asrc}, |
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{SND_SOC_TPLG_DAPM_ENCODER, snd_soc_dapm_encoder}, |
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{SND_SOC_TPLG_DAPM_DECODER, snd_soc_dapm_decoder}, |
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}; |
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|
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static int tplc_chan_get_reg(struct soc_tplg *tplg, |
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struct snd_soc_tplg_channel *chan, int map) |
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{ |
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int i; |
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|
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for (i = 0; i < SND_SOC_TPLG_MAX_CHAN; i++) { |
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if (le32_to_cpu(chan[i].id) == map) |
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return le32_to_cpu(chan[i].reg); |
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} |
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return -EINVAL; |
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} |
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static int tplc_chan_get_shift(struct soc_tplg *tplg, |
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struct snd_soc_tplg_channel *chan, int map) |
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{ |
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int i; |
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|
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for (i = 0; i < SND_SOC_TPLG_MAX_CHAN; i++) { |
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if (le32_to_cpu(chan[i].id) == map) |
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return le32_to_cpu(chan[i].shift); |
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} |
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return -EINVAL; |
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} |
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static int get_widget_id(int tplg_type) |
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{ |
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int i; |
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|
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for (i = 0; i < ARRAY_SIZE(dapm_map); i++) { |
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if (tplg_type == dapm_map[i].uid) |
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return dapm_map[i].kid; |
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} |
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return -EINVAL; |
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} |
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static inline void soc_bind_err(struct soc_tplg *tplg, |
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struct snd_soc_tplg_ctl_hdr *hdr, int index) |
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{ |
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dev_err(tplg->dev, |
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"ASoC: invalid control type (g,p,i) %d:%d:%d index %d at 0x%lx\n", |
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hdr->ops.get, hdr->ops.put, hdr->ops.info, index, |
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soc_tplg_get_offset(tplg)); |
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} |
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static inline void soc_control_err(struct soc_tplg *tplg, |
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struct snd_soc_tplg_ctl_hdr *hdr, const char *name) |
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{ |
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dev_err(tplg->dev, |
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"ASoC: no complete control IO handler for %s type (g,p,i) %d:%d:%d at 0x%lx\n", |
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name, hdr->ops.get, hdr->ops.put, hdr->ops.info, |
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soc_tplg_get_offset(tplg)); |
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} |
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/* pass vendor data to component driver for processing */ |
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static int soc_tplg_vendor_load(struct soc_tplg *tplg, |
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struct snd_soc_tplg_hdr *hdr) |
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{ |
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int ret = 0; |
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|
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if (tplg->ops && tplg->ops->vendor_load) |
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ret = tplg->ops->vendor_load(tplg->comp, tplg->index, hdr); |
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else { |
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dev_err(tplg->dev, "ASoC: no vendor load callback for ID %d\n", |
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hdr->vendor_type); |
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return -EINVAL; |
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} |
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if (ret < 0) |
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dev_err(tplg->dev, |
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"ASoC: vendor load failed at hdr offset %ld/0x%lx for type %d:%d\n", |
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soc_tplg_get_hdr_offset(tplg), |
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soc_tplg_get_hdr_offset(tplg), |
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hdr->type, hdr->vendor_type); |
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return ret; |
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} |
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|
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/* optionally pass new dynamic widget to component driver. This is mainly for |
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* external widgets where we can assign private data/ops */ |
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static int soc_tplg_widget_load(struct soc_tplg *tplg, |
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struct snd_soc_dapm_widget *w, struct snd_soc_tplg_dapm_widget *tplg_w) |
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{ |
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if (tplg->ops && tplg->ops->widget_load) |
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return tplg->ops->widget_load(tplg->comp, tplg->index, w, |
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tplg_w); |
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|
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return 0; |
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} |
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|
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/* optionally pass new dynamic widget to component driver. This is mainly for |
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* external widgets where we can assign private data/ops */ |
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static int soc_tplg_widget_ready(struct soc_tplg *tplg, |
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struct snd_soc_dapm_widget *w, struct snd_soc_tplg_dapm_widget *tplg_w) |
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{ |
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if (tplg->ops && tplg->ops->widget_ready) |
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return tplg->ops->widget_ready(tplg->comp, tplg->index, w, |
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tplg_w); |
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|
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return 0; |
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} |
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|
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/* pass DAI configurations to component driver for extra initialization */ |
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static int soc_tplg_dai_load(struct soc_tplg *tplg, |
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struct snd_soc_dai_driver *dai_drv, |
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struct snd_soc_tplg_pcm *pcm, struct snd_soc_dai *dai) |
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{ |
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if (tplg->ops && tplg->ops->dai_load) |
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return tplg->ops->dai_load(tplg->comp, tplg->index, dai_drv, |
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pcm, dai); |
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|
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return 0; |
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} |
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|
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/* pass link configurations to component driver for extra initialization */ |
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static int soc_tplg_dai_link_load(struct soc_tplg *tplg, |
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struct snd_soc_dai_link *link, struct snd_soc_tplg_link_config *cfg) |
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{ |
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if (tplg->ops && tplg->ops->link_load) |
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return tplg->ops->link_load(tplg->comp, tplg->index, link, cfg); |
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|
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return 0; |
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} |
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|
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/* tell the component driver that all firmware has been loaded in this request */ |
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static int soc_tplg_complete(struct soc_tplg *tplg) |
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{ |
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if (tplg->ops && tplg->ops->complete) |
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return tplg->ops->complete(tplg->comp); |
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|
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return 0; |
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} |
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|
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/* add a dynamic kcontrol */ |
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static int soc_tplg_add_dcontrol(struct snd_card *card, struct device *dev, |
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const struct snd_kcontrol_new *control_new, const char *prefix, |
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void *data, struct snd_kcontrol **kcontrol) |
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{ |
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int err; |
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|
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*kcontrol = snd_soc_cnew(control_new, data, control_new->name, prefix); |
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if (*kcontrol == NULL) { |
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dev_err(dev, "ASoC: Failed to create new kcontrol %s\n", |
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control_new->name); |
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return -ENOMEM; |
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} |
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|
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err = snd_ctl_add(card, *kcontrol); |
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if (err < 0) { |
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dev_err(dev, "ASoC: Failed to add %s: %d\n", |
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control_new->name, err); |
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return err; |
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} |
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|
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return 0; |
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} |
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|
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/* add a dynamic kcontrol for component driver */ |
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static int soc_tplg_add_kcontrol(struct soc_tplg *tplg, |
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struct snd_kcontrol_new *k, struct snd_kcontrol **kcontrol) |
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{ |
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struct snd_soc_component *comp = tplg->comp; |
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|
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return soc_tplg_add_dcontrol(comp->card->snd_card, |
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tplg->dev, k, comp->name_prefix, comp, kcontrol); |
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} |
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|
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/* remove a mixer kcontrol */ |
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static void remove_mixer(struct snd_soc_component *comp, |
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struct snd_soc_dobj *dobj, int pass) |
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{ |
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struct snd_card *card = comp->card->snd_card; |
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|
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if (pass != SOC_TPLG_PASS_CONTROL) |
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return; |
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|
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if (dobj->ops && dobj->ops->control_unload) |
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dobj->ops->control_unload(comp, dobj); |
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|
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snd_ctl_remove(card, dobj->control.kcontrol); |
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list_del(&dobj->list); |
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} |
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|
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/* remove an enum kcontrol */ |
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static void remove_enum(struct snd_soc_component *comp, |
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struct snd_soc_dobj *dobj, int pass) |
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{ |
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struct snd_card *card = comp->card->snd_card; |
|
|
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if (pass != SOC_TPLG_PASS_CONTROL) |
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return; |
|
|
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if (dobj->ops && dobj->ops->control_unload) |
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dobj->ops->control_unload(comp, dobj); |
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|
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snd_ctl_remove(card, dobj->control.kcontrol); |
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list_del(&dobj->list); |
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} |
|
|
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/* remove a byte kcontrol */ |
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static void remove_bytes(struct snd_soc_component *comp, |
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struct snd_soc_dobj *dobj, int pass) |
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{ |
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struct snd_card *card = comp->card->snd_card; |
|
|
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if (pass != SOC_TPLG_PASS_CONTROL) |
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return; |
|
|
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if (dobj->ops && dobj->ops->control_unload) |
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dobj->ops->control_unload(comp, dobj); |
|
|
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snd_ctl_remove(card, dobj->control.kcontrol); |
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list_del(&dobj->list); |
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} |
|
|
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/* remove a route */ |
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static void remove_route(struct snd_soc_component *comp, |
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struct snd_soc_dobj *dobj, int pass) |
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{ |
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if (pass != SOC_TPLG_PASS_GRAPH) |
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return; |
|
|
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if (dobj->ops && dobj->ops->dapm_route_unload) |
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dobj->ops->dapm_route_unload(comp, dobj); |
|
|
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list_del(&dobj->list); |
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} |
|
|
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/* remove a widget and it's kcontrols - routes must be removed first */ |
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static void remove_widget(struct snd_soc_component *comp, |
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struct snd_soc_dobj *dobj, int pass) |
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{ |
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struct snd_card *card = comp->card->snd_card; |
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struct snd_soc_dapm_widget *w = |
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container_of(dobj, struct snd_soc_dapm_widget, dobj); |
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int i; |
|
|
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if (pass != SOC_TPLG_PASS_WIDGET) |
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return; |
|
|
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if (dobj->ops && dobj->ops->widget_unload) |
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dobj->ops->widget_unload(comp, dobj); |
|
|
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if (!w->kcontrols) |
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goto free_news; |
|
|
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for (i = 0; w->kcontrols && i < w->num_kcontrols; i++) |
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snd_ctl_remove(card, w->kcontrols[i]); |
|
|
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free_news: |
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|
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list_del(&dobj->list); |
|
|
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/* widget w is freed by soc-dapm.c */ |
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} |
|
|
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/* remove DAI configurations */ |
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static void remove_dai(struct snd_soc_component *comp, |
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struct snd_soc_dobj *dobj, int pass) |
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{ |
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struct snd_soc_dai_driver *dai_drv = |
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container_of(dobj, struct snd_soc_dai_driver, dobj); |
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struct snd_soc_dai *dai, *_dai; |
|
|
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if (pass != SOC_TPLG_PASS_PCM_DAI) |
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return; |
|
|
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if (dobj->ops && dobj->ops->dai_unload) |
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dobj->ops->dai_unload(comp, dobj); |
|
|
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for_each_component_dais_safe(comp, dai, _dai) |
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if (dai->driver == dai_drv) |
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snd_soc_unregister_dai(dai); |
|
|
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list_del(&dobj->list); |
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} |
|
|
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/* remove link configurations */ |
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static void remove_link(struct snd_soc_component *comp, |
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struct snd_soc_dobj *dobj, int pass) |
|
{ |
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struct snd_soc_dai_link *link = |
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container_of(dobj, struct snd_soc_dai_link, dobj); |
|
|
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if (pass != SOC_TPLG_PASS_PCM_DAI) |
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return; |
|
|
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if (dobj->ops && dobj->ops->link_unload) |
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dobj->ops->link_unload(comp, dobj); |
|
|
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list_del(&dobj->list); |
|
snd_soc_remove_pcm_runtime(comp->card, |
|
snd_soc_get_pcm_runtime(comp->card, link)); |
|
} |
|
|
|
/* unload dai link */ |
|
static void remove_backend_link(struct snd_soc_component *comp, |
|
struct snd_soc_dobj *dobj, int pass) |
|
{ |
|
if (pass != SOC_TPLG_PASS_LINK) |
|
return; |
|
|
|
if (dobj->ops && dobj->ops->link_unload) |
|
dobj->ops->link_unload(comp, dobj); |
|
|
|
/* |
|
* We don't free the link here as what remove_link() do since BE |
|
* links are not allocated by topology. |
|
* We however need to reset the dobj type to its initial values |
|
*/ |
|
dobj->type = SND_SOC_DOBJ_NONE; |
|
list_del(&dobj->list); |
|
} |
|
|
|
/* bind a kcontrol to it's IO handlers */ |
|
static int soc_tplg_kcontrol_bind_io(struct snd_soc_tplg_ctl_hdr *hdr, |
|
struct snd_kcontrol_new *k, |
|
const struct soc_tplg *tplg) |
|
{ |
|
const struct snd_soc_tplg_kcontrol_ops *ops; |
|
const struct snd_soc_tplg_bytes_ext_ops *ext_ops; |
|
int num_ops, i; |
|
|
|
if (le32_to_cpu(hdr->ops.info) == SND_SOC_TPLG_CTL_BYTES |
|
&& k->iface & SNDRV_CTL_ELEM_IFACE_MIXER |
|
&& (k->access & SNDRV_CTL_ELEM_ACCESS_TLV_READ |
|
|| k->access & SNDRV_CTL_ELEM_ACCESS_TLV_WRITE) |
|
&& k->access & SNDRV_CTL_ELEM_ACCESS_TLV_CALLBACK) { |
|
struct soc_bytes_ext *sbe; |
|
struct snd_soc_tplg_bytes_control *be; |
|
|
|
sbe = (struct soc_bytes_ext *)k->private_value; |
|
be = container_of(hdr, struct snd_soc_tplg_bytes_control, hdr); |
|
|
|
/* TLV bytes controls need standard kcontrol info handler, |
|
* TLV callback and extended put/get handlers. |
|
*/ |
|
k->info = snd_soc_bytes_info_ext; |
|
k->tlv.c = snd_soc_bytes_tlv_callback; |
|
|
|
/* |
|
* When a topology-based implementation abuses the |
|
* control interface and uses bytes_ext controls of |
|
* more than 512 bytes, we need to disable the size |
|
* checks, otherwise accesses to such controls will |
|
* return an -EINVAL error and prevent the card from |
|
* being configured. |
|
*/ |
|
if (sbe->max > 512) |
|
k->access |= SNDRV_CTL_ELEM_ACCESS_SKIP_CHECK; |
|
|
|
ext_ops = tplg->bytes_ext_ops; |
|
num_ops = tplg->bytes_ext_ops_count; |
|
for (i = 0; i < num_ops; i++) { |
|
if (!sbe->put && |
|
ext_ops[i].id == le32_to_cpu(be->ext_ops.put)) |
|
sbe->put = ext_ops[i].put; |
|
if (!sbe->get && |
|
ext_ops[i].id == le32_to_cpu(be->ext_ops.get)) |
|
sbe->get = ext_ops[i].get; |
|
} |
|
|
|
if ((k->access & SNDRV_CTL_ELEM_ACCESS_TLV_READ) && !sbe->get) |
|
return -EINVAL; |
|
if ((k->access & SNDRV_CTL_ELEM_ACCESS_TLV_WRITE) && !sbe->put) |
|
return -EINVAL; |
|
return 0; |
|
} |
|
|
|
/* try and map vendor specific kcontrol handlers first */ |
|
ops = tplg->io_ops; |
|
num_ops = tplg->io_ops_count; |
|
for (i = 0; i < num_ops; i++) { |
|
|
|
if (k->put == NULL && ops[i].id == le32_to_cpu(hdr->ops.put)) |
|
k->put = ops[i].put; |
|
if (k->get == NULL && ops[i].id == le32_to_cpu(hdr->ops.get)) |
|
k->get = ops[i].get; |
|
if (k->info == NULL && ops[i].id == le32_to_cpu(hdr->ops.info)) |
|
k->info = ops[i].info; |
|
} |
|
|
|
/* vendor specific handlers found ? */ |
|
if (k->put && k->get && k->info) |
|
return 0; |
|
|
|
/* none found so try standard kcontrol handlers */ |
|
ops = io_ops; |
|
num_ops = ARRAY_SIZE(io_ops); |
|
for (i = 0; i < num_ops; i++) { |
|
|
|
if (k->put == NULL && ops[i].id == le32_to_cpu(hdr->ops.put)) |
|
k->put = ops[i].put; |
|
if (k->get == NULL && ops[i].id == le32_to_cpu(hdr->ops.get)) |
|
k->get = ops[i].get; |
|
if (k->info == NULL && ops[i].id == le32_to_cpu(hdr->ops.info)) |
|
k->info = ops[i].info; |
|
} |
|
|
|
/* standard handlers found ? */ |
|
if (k->put && k->get && k->info) |
|
return 0; |
|
|
|
/* nothing to bind */ |
|
return -EINVAL; |
|
} |
|
|
|
/* bind a widgets to it's evnt handlers */ |
|
int snd_soc_tplg_widget_bind_event(struct snd_soc_dapm_widget *w, |
|
const struct snd_soc_tplg_widget_events *events, |
|
int num_events, u16 event_type) |
|
{ |
|
int i; |
|
|
|
w->event = NULL; |
|
|
|
for (i = 0; i < num_events; i++) { |
|
if (event_type == events[i].type) { |
|
|
|
/* found - so assign event */ |
|
w->event = events[i].event_handler; |
|
return 0; |
|
} |
|
} |
|
|
|
/* not found */ |
|
return -EINVAL; |
|
} |
|
EXPORT_SYMBOL_GPL(snd_soc_tplg_widget_bind_event); |
|
|
|
/* optionally pass new dynamic kcontrol to component driver. */ |
|
static int soc_tplg_control_load(struct soc_tplg *tplg, |
|
struct snd_kcontrol_new *k, struct snd_soc_tplg_ctl_hdr *hdr) |
|
{ |
|
if (tplg->ops && tplg->ops->control_load) |
|
return tplg->ops->control_load(tplg->comp, tplg->index, k, |
|
hdr); |
|
|
|
return 0; |
|
} |
|
|
|
|
|
static int soc_tplg_create_tlv_db_scale(struct soc_tplg *tplg, |
|
struct snd_kcontrol_new *kc, struct snd_soc_tplg_tlv_dbscale *scale) |
|
{ |
|
unsigned int item_len = 2 * sizeof(unsigned int); |
|
unsigned int *p; |
|
|
|
p = devm_kzalloc(tplg->dev, item_len + 2 * sizeof(unsigned int), GFP_KERNEL); |
|
if (!p) |
|
return -ENOMEM; |
|
|
|
p[0] = SNDRV_CTL_TLVT_DB_SCALE; |
|
p[1] = item_len; |
|
p[2] = le32_to_cpu(scale->min); |
|
p[3] = (le32_to_cpu(scale->step) & TLV_DB_SCALE_MASK) |
|
| (le32_to_cpu(scale->mute) ? TLV_DB_SCALE_MUTE : 0); |
|
|
|
kc->tlv.p = (void *)p; |
|
return 0; |
|
} |
|
|
|
static int soc_tplg_create_tlv(struct soc_tplg *tplg, |
|
struct snd_kcontrol_new *kc, struct snd_soc_tplg_ctl_hdr *tc) |
|
{ |
|
struct snd_soc_tplg_ctl_tlv *tplg_tlv; |
|
u32 access = le32_to_cpu(tc->access); |
|
|
|
if (!(access & SNDRV_CTL_ELEM_ACCESS_TLV_READWRITE)) |
|
return 0; |
|
|
|
if (!(access & SNDRV_CTL_ELEM_ACCESS_TLV_CALLBACK)) { |
|
tplg_tlv = &tc->tlv; |
|
switch (le32_to_cpu(tplg_tlv->type)) { |
|
case SNDRV_CTL_TLVT_DB_SCALE: |
|
return soc_tplg_create_tlv_db_scale(tplg, kc, |
|
&tplg_tlv->scale); |
|
|
|
/* TODO: add support for other TLV types */ |
|
default: |
|
dev_dbg(tplg->dev, "Unsupported TLV type %d\n", |
|
tplg_tlv->type); |
|
return -EINVAL; |
|
} |
|
} |
|
|
|
return 0; |
|
} |
|
|
|
static int soc_tplg_dbytes_create(struct soc_tplg *tplg, size_t size) |
|
{ |
|
struct snd_soc_tplg_bytes_control *be; |
|
struct soc_bytes_ext *sbe; |
|
struct snd_kcontrol_new kc; |
|
int ret = 0; |
|
|
|
if (soc_tplg_check_elem_count(tplg, |
|
sizeof(struct snd_soc_tplg_bytes_control), |
|
1, size, "mixer bytes")) |
|
return -EINVAL; |
|
|
|
be = (struct snd_soc_tplg_bytes_control *)tplg->pos; |
|
|
|
/* validate kcontrol */ |
|
if (strnlen(be->hdr.name, SNDRV_CTL_ELEM_ID_NAME_MAXLEN) == |
|
SNDRV_CTL_ELEM_ID_NAME_MAXLEN) |
|
return -EINVAL; |
|
|
|
sbe = devm_kzalloc(tplg->dev, sizeof(*sbe), GFP_KERNEL); |
|
if (sbe == NULL) |
|
return -ENOMEM; |
|
|
|
tplg->pos += (sizeof(struct snd_soc_tplg_bytes_control) + |
|
le32_to_cpu(be->priv.size)); |
|
|
|
dev_dbg(tplg->dev, |
|
"ASoC: adding bytes kcontrol %s with access 0x%x\n", |
|
be->hdr.name, be->hdr.access); |
|
|
|
memset(&kc, 0, sizeof(kc)); |
|
kc.name = be->hdr.name; |
|
kc.private_value = (long)sbe; |
|
kc.iface = SNDRV_CTL_ELEM_IFACE_MIXER; |
|
kc.access = le32_to_cpu(be->hdr.access); |
|
|
|
sbe->max = le32_to_cpu(be->max); |
|
sbe->dobj.type = SND_SOC_DOBJ_BYTES; |
|
sbe->dobj.ops = tplg->ops; |
|
INIT_LIST_HEAD(&sbe->dobj.list); |
|
|
|
/* map io handlers */ |
|
ret = soc_tplg_kcontrol_bind_io(&be->hdr, &kc, tplg); |
|
if (ret) { |
|
soc_control_err(tplg, &be->hdr, be->hdr.name); |
|
goto err; |
|
} |
|
|
|
/* pass control to driver for optional further init */ |
|
ret = soc_tplg_control_load(tplg, &kc, (struct snd_soc_tplg_ctl_hdr *)be); |
|
if (ret < 0) { |
|
dev_err(tplg->dev, "ASoC: failed to init %s\n", be->hdr.name); |
|
goto err; |
|
} |
|
|
|
/* register control here */ |
|
ret = soc_tplg_add_kcontrol(tplg, &kc, &sbe->dobj.control.kcontrol); |
|
if (ret < 0) { |
|
dev_err(tplg->dev, "ASoC: failed to add %s\n", be->hdr.name); |
|
goto err; |
|
} |
|
|
|
list_add(&sbe->dobj.list, &tplg->comp->dobj_list); |
|
|
|
err: |
|
return ret; |
|
} |
|
|
|
static int soc_tplg_dmixer_create(struct soc_tplg *tplg, size_t size) |
|
{ |
|
struct snd_soc_tplg_mixer_control *mc; |
|
struct soc_mixer_control *sm; |
|
struct snd_kcontrol_new kc; |
|
int ret = 0; |
|
|
|
if (soc_tplg_check_elem_count(tplg, |
|
sizeof(struct snd_soc_tplg_mixer_control), |
|
1, size, "mixers")) |
|
return -EINVAL; |
|
|
|
mc = (struct snd_soc_tplg_mixer_control *)tplg->pos; |
|
|
|
/* validate kcontrol */ |
|
if (strnlen(mc->hdr.name, SNDRV_CTL_ELEM_ID_NAME_MAXLEN) == |
|
SNDRV_CTL_ELEM_ID_NAME_MAXLEN) |
|
return -EINVAL; |
|
|
|
sm = devm_kzalloc(tplg->dev, sizeof(*sm), GFP_KERNEL); |
|
if (sm == NULL) |
|
return -ENOMEM; |
|
tplg->pos += (sizeof(struct snd_soc_tplg_mixer_control) + |
|
le32_to_cpu(mc->priv.size)); |
|
|
|
dev_dbg(tplg->dev, |
|
"ASoC: adding mixer kcontrol %s with access 0x%x\n", |
|
mc->hdr.name, mc->hdr.access); |
|
|
|
memset(&kc, 0, sizeof(kc)); |
|
kc.name = mc->hdr.name; |
|
kc.private_value = (long)sm; |
|
kc.iface = SNDRV_CTL_ELEM_IFACE_MIXER; |
|
kc.access = le32_to_cpu(mc->hdr.access); |
|
|
|
/* we only support FL/FR channel mapping atm */ |
|
sm->reg = tplc_chan_get_reg(tplg, mc->channel, SNDRV_CHMAP_FL); |
|
sm->rreg = tplc_chan_get_reg(tplg, mc->channel, SNDRV_CHMAP_FR); |
|
sm->shift = tplc_chan_get_shift(tplg, mc->channel, SNDRV_CHMAP_FL); |
|
sm->rshift = tplc_chan_get_shift(tplg, mc->channel, SNDRV_CHMAP_FR); |
|
|
|
sm->max = le32_to_cpu(mc->max); |
|
sm->min = le32_to_cpu(mc->min); |
|
sm->invert = le32_to_cpu(mc->invert); |
|
sm->platform_max = le32_to_cpu(mc->platform_max); |
|
sm->dobj.index = tplg->index; |
|
sm->dobj.ops = tplg->ops; |
|
sm->dobj.type = SND_SOC_DOBJ_MIXER; |
|
INIT_LIST_HEAD(&sm->dobj.list); |
|
|
|
/* map io handlers */ |
|
ret = soc_tplg_kcontrol_bind_io(&mc->hdr, &kc, tplg); |
|
if (ret) { |
|
soc_control_err(tplg, &mc->hdr, mc->hdr.name); |
|
goto err; |
|
} |
|
|
|
/* create any TLV data */ |
|
ret = soc_tplg_create_tlv(tplg, &kc, &mc->hdr); |
|
if (ret < 0) { |
|
dev_err(tplg->dev, "ASoC: failed to create TLV %s\n", mc->hdr.name); |
|
goto err; |
|
} |
|
|
|
/* pass control to driver for optional further init */ |
|
ret = soc_tplg_control_load(tplg, &kc, (struct snd_soc_tplg_ctl_hdr *)mc); |
|
if (ret < 0) { |
|
dev_err(tplg->dev, "ASoC: failed to init %s\n", mc->hdr.name); |
|
goto err; |
|
} |
|
|
|
/* register control here */ |
|
ret = soc_tplg_add_kcontrol(tplg, &kc, &sm->dobj.control.kcontrol); |
|
if (ret < 0) { |
|
dev_err(tplg->dev, "ASoC: failed to add %s\n", mc->hdr.name); |
|
goto err; |
|
} |
|
|
|
list_add(&sm->dobj.list, &tplg->comp->dobj_list); |
|
|
|
err: |
|
return ret; |
|
} |
|
|
|
static int soc_tplg_denum_create_texts(struct soc_tplg *tplg, struct soc_enum *se, |
|
struct snd_soc_tplg_enum_control *ec) |
|
{ |
|
int i, ret; |
|
|
|
if (le32_to_cpu(ec->items) > ARRAY_SIZE(ec->texts)) |
|
return -EINVAL; |
|
|
|
se->dobj.control.dtexts = |
|
devm_kcalloc(tplg->dev, le32_to_cpu(ec->items), sizeof(char *), GFP_KERNEL); |
|
if (se->dobj.control.dtexts == NULL) |
|
return -ENOMEM; |
|
|
|
for (i = 0; i < le32_to_cpu(ec->items); i++) { |
|
|
|
if (strnlen(ec->texts[i], SNDRV_CTL_ELEM_ID_NAME_MAXLEN) == |
|
SNDRV_CTL_ELEM_ID_NAME_MAXLEN) { |
|
ret = -EINVAL; |
|
goto err; |
|
} |
|
|
|
se->dobj.control.dtexts[i] = devm_kstrdup(tplg->dev, ec->texts[i], GFP_KERNEL); |
|
if (!se->dobj.control.dtexts[i]) { |
|
ret = -ENOMEM; |
|
goto err; |
|
} |
|
} |
|
|
|
se->items = le32_to_cpu(ec->items); |
|
se->texts = (const char * const *)se->dobj.control.dtexts; |
|
return 0; |
|
|
|
err: |
|
return ret; |
|
} |
|
|
|
static int soc_tplg_denum_create_values(struct soc_tplg *tplg, struct soc_enum *se, |
|
struct snd_soc_tplg_enum_control *ec) |
|
{ |
|
int i; |
|
|
|
/* |
|
* Following "if" checks if we have at most SND_SOC_TPLG_NUM_TEXTS |
|
* values instead of using ARRAY_SIZE(ec->values) due to the fact that |
|
* it is oversized for its purpose. Additionally it is done so because |
|
* it is defined in UAPI header where it can't be easily changed. |
|
*/ |
|
if (le32_to_cpu(ec->items) > SND_SOC_TPLG_NUM_TEXTS) |
|
return -EINVAL; |
|
|
|
se->dobj.control.dvalues = devm_kcalloc(tplg->dev, le32_to_cpu(ec->items), |
|
sizeof(*se->dobj.control.dvalues), |
|
GFP_KERNEL); |
|
if (!se->dobj.control.dvalues) |
|
return -ENOMEM; |
|
|
|
/* convert from little-endian */ |
|
for (i = 0; i < le32_to_cpu(ec->items); i++) { |
|
se->dobj.control.dvalues[i] = le32_to_cpu(ec->values[i]); |
|
} |
|
|
|
return 0; |
|
} |
|
|
|
static int soc_tplg_denum_create(struct soc_tplg *tplg, size_t size) |
|
{ |
|
struct snd_soc_tplg_enum_control *ec; |
|
struct soc_enum *se; |
|
struct snd_kcontrol_new kc; |
|
int ret = 0; |
|
|
|
if (soc_tplg_check_elem_count(tplg, |
|
sizeof(struct snd_soc_tplg_enum_control), |
|
1, size, "enums")) |
|
return -EINVAL; |
|
|
|
ec = (struct snd_soc_tplg_enum_control *)tplg->pos; |
|
|
|
/* validate kcontrol */ |
|
if (strnlen(ec->hdr.name, SNDRV_CTL_ELEM_ID_NAME_MAXLEN) == |
|
SNDRV_CTL_ELEM_ID_NAME_MAXLEN) |
|
return -EINVAL; |
|
|
|
se = devm_kzalloc(tplg->dev, (sizeof(*se)), GFP_KERNEL); |
|
if (se == NULL) |
|
return -ENOMEM; |
|
|
|
tplg->pos += (sizeof(struct snd_soc_tplg_enum_control) + |
|
le32_to_cpu(ec->priv.size)); |
|
|
|
dev_dbg(tplg->dev, "ASoC: adding enum kcontrol %s size %d\n", |
|
ec->hdr.name, ec->items); |
|
|
|
memset(&kc, 0, sizeof(kc)); |
|
kc.name = ec->hdr.name; |
|
kc.private_value = (long)se; |
|
kc.iface = SNDRV_CTL_ELEM_IFACE_MIXER; |
|
kc.access = le32_to_cpu(ec->hdr.access); |
|
|
|
se->reg = tplc_chan_get_reg(tplg, ec->channel, SNDRV_CHMAP_FL); |
|
se->shift_l = tplc_chan_get_shift(tplg, ec->channel, |
|
SNDRV_CHMAP_FL); |
|
se->shift_r = tplc_chan_get_shift(tplg, ec->channel, |
|
SNDRV_CHMAP_FL); |
|
|
|
se->mask = le32_to_cpu(ec->mask); |
|
se->dobj.index = tplg->index; |
|
se->dobj.type = SND_SOC_DOBJ_ENUM; |
|
se->dobj.ops = tplg->ops; |
|
INIT_LIST_HEAD(&se->dobj.list); |
|
|
|
switch (le32_to_cpu(ec->hdr.ops.info)) { |
|
case SND_SOC_TPLG_DAPM_CTL_ENUM_VALUE: |
|
case SND_SOC_TPLG_CTL_ENUM_VALUE: |
|
ret = soc_tplg_denum_create_values(tplg, se, ec); |
|
if (ret < 0) { |
|
dev_err(tplg->dev, |
|
"ASoC: could not create values for %s\n", |
|
ec->hdr.name); |
|
goto err; |
|
} |
|
fallthrough; |
|
case SND_SOC_TPLG_CTL_ENUM: |
|
case SND_SOC_TPLG_DAPM_CTL_ENUM_DOUBLE: |
|
case SND_SOC_TPLG_DAPM_CTL_ENUM_VIRT: |
|
ret = soc_tplg_denum_create_texts(tplg, se, ec); |
|
if (ret < 0) { |
|
dev_err(tplg->dev, |
|
"ASoC: could not create texts for %s\n", |
|
ec->hdr.name); |
|
goto err; |
|
} |
|
break; |
|
default: |
|
ret = -EINVAL; |
|
dev_err(tplg->dev, |
|
"ASoC: invalid enum control type %d for %s\n", |
|
ec->hdr.ops.info, ec->hdr.name); |
|
goto err; |
|
} |
|
|
|
/* map io handlers */ |
|
ret = soc_tplg_kcontrol_bind_io(&ec->hdr, &kc, tplg); |
|
if (ret) { |
|
soc_control_err(tplg, &ec->hdr, ec->hdr.name); |
|
goto err; |
|
} |
|
|
|
/* pass control to driver for optional further init */ |
|
ret = soc_tplg_control_load(tplg, &kc, (struct snd_soc_tplg_ctl_hdr *)ec); |
|
if (ret < 0) { |
|
dev_err(tplg->dev, "ASoC: failed to init %s\n", ec->hdr.name); |
|
goto err; |
|
} |
|
|
|
/* register control here */ |
|
ret = soc_tplg_add_kcontrol(tplg, &kc, &se->dobj.control.kcontrol); |
|
if (ret < 0) { |
|
dev_err(tplg->dev, "ASoC: could not add kcontrol %s\n", ec->hdr.name); |
|
goto err; |
|
} |
|
|
|
list_add(&se->dobj.list, &tplg->comp->dobj_list); |
|
|
|
err: |
|
return ret; |
|
} |
|
|
|
static int soc_tplg_kcontrol_elems_load(struct soc_tplg *tplg, |
|
struct snd_soc_tplg_hdr *hdr) |
|
{ |
|
int ret; |
|
int i; |
|
|
|
dev_dbg(tplg->dev, "ASoC: adding %d kcontrols at 0x%lx\n", hdr->count, |
|
soc_tplg_get_offset(tplg)); |
|
|
|
for (i = 0; i < le32_to_cpu(hdr->count); i++) { |
|
struct snd_soc_tplg_ctl_hdr *control_hdr = (struct snd_soc_tplg_ctl_hdr *)tplg->pos; |
|
|
|
if (le32_to_cpu(control_hdr->size) != sizeof(*control_hdr)) { |
|
dev_err(tplg->dev, "ASoC: invalid control size\n"); |
|
return -EINVAL; |
|
} |
|
|
|
switch (le32_to_cpu(control_hdr->ops.info)) { |
|
case SND_SOC_TPLG_CTL_VOLSW: |
|
case SND_SOC_TPLG_CTL_STROBE: |
|
case SND_SOC_TPLG_CTL_VOLSW_SX: |
|
case SND_SOC_TPLG_CTL_VOLSW_XR_SX: |
|
case SND_SOC_TPLG_CTL_RANGE: |
|
case SND_SOC_TPLG_DAPM_CTL_VOLSW: |
|
case SND_SOC_TPLG_DAPM_CTL_PIN: |
|
ret = soc_tplg_dmixer_create(tplg, le32_to_cpu(hdr->payload_size)); |
|
break; |
|
case SND_SOC_TPLG_CTL_ENUM: |
|
case SND_SOC_TPLG_CTL_ENUM_VALUE: |
|
case SND_SOC_TPLG_DAPM_CTL_ENUM_DOUBLE: |
|
case SND_SOC_TPLG_DAPM_CTL_ENUM_VIRT: |
|
case SND_SOC_TPLG_DAPM_CTL_ENUM_VALUE: |
|
ret = soc_tplg_denum_create(tplg, le32_to_cpu(hdr->payload_size)); |
|
break; |
|
case SND_SOC_TPLG_CTL_BYTES: |
|
ret = soc_tplg_dbytes_create(tplg, le32_to_cpu(hdr->payload_size)); |
|
break; |
|
default: |
|
soc_bind_err(tplg, control_hdr, i); |
|
return -EINVAL; |
|
} |
|
if (ret < 0) { |
|
dev_err(tplg->dev, "ASoC: invalid control\n"); |
|
return ret; |
|
} |
|
|
|
} |
|
|
|
return 0; |
|
} |
|
|
|
/* optionally pass new dynamic kcontrol to component driver. */ |
|
static int soc_tplg_add_route(struct soc_tplg *tplg, |
|
struct snd_soc_dapm_route *route) |
|
{ |
|
if (tplg->ops && tplg->ops->dapm_route_load) |
|
return tplg->ops->dapm_route_load(tplg->comp, tplg->index, |
|
route); |
|
|
|
return 0; |
|
} |
|
|
|
static int soc_tplg_dapm_graph_elems_load(struct soc_tplg *tplg, |
|
struct snd_soc_tplg_hdr *hdr) |
|
{ |
|
struct snd_soc_dapm_context *dapm = &tplg->comp->dapm; |
|
struct snd_soc_tplg_dapm_graph_elem *elem; |
|
struct snd_soc_dapm_route *route; |
|
int count, i; |
|
int ret = 0; |
|
|
|
count = le32_to_cpu(hdr->count); |
|
|
|
if (soc_tplg_check_elem_count(tplg, |
|
sizeof(struct snd_soc_tplg_dapm_graph_elem), |
|
count, le32_to_cpu(hdr->payload_size), "graph")) |
|
return -EINVAL; |
|
|
|
dev_dbg(tplg->dev, "ASoC: adding %d DAPM routes for index %d\n", count, |
|
hdr->index); |
|
|
|
for (i = 0; i < count; i++) { |
|
route = devm_kzalloc(tplg->dev, sizeof(*route), GFP_KERNEL); |
|
if (!route) |
|
return -ENOMEM; |
|
elem = (struct snd_soc_tplg_dapm_graph_elem *)tplg->pos; |
|
tplg->pos += sizeof(struct snd_soc_tplg_dapm_graph_elem); |
|
|
|
/* validate routes */ |
|
if (strnlen(elem->source, SNDRV_CTL_ELEM_ID_NAME_MAXLEN) == |
|
SNDRV_CTL_ELEM_ID_NAME_MAXLEN) { |
|
ret = -EINVAL; |
|
break; |
|
} |
|
if (strnlen(elem->sink, SNDRV_CTL_ELEM_ID_NAME_MAXLEN) == |
|
SNDRV_CTL_ELEM_ID_NAME_MAXLEN) { |
|
ret = -EINVAL; |
|
break; |
|
} |
|
if (strnlen(elem->control, SNDRV_CTL_ELEM_ID_NAME_MAXLEN) == |
|
SNDRV_CTL_ELEM_ID_NAME_MAXLEN) { |
|
ret = -EINVAL; |
|
break; |
|
} |
|
|
|
route->source = elem->source; |
|
route->sink = elem->sink; |
|
|
|
/* set to NULL atm for tplg users */ |
|
route->connected = NULL; |
|
if (strnlen(elem->control, SNDRV_CTL_ELEM_ID_NAME_MAXLEN) == 0) |
|
route->control = NULL; |
|
else |
|
route->control = elem->control; |
|
|
|
/* add route dobj to dobj_list */ |
|
route->dobj.type = SND_SOC_DOBJ_GRAPH; |
|
route->dobj.ops = tplg->ops; |
|
route->dobj.index = tplg->index; |
|
list_add(&route->dobj.list, &tplg->comp->dobj_list); |
|
|
|
ret = soc_tplg_add_route(tplg, route); |
|
if (ret < 0) { |
|
dev_err(tplg->dev, "ASoC: topology: add_route failed: %d\n", ret); |
|
break; |
|
} |
|
|
|
/* add route, but keep going if some fail */ |
|
snd_soc_dapm_add_routes(dapm, route, 1); |
|
} |
|
|
|
return ret; |
|
} |
|
|
|
static int soc_tplg_dapm_widget_dmixer_create(struct soc_tplg *tplg, struct snd_kcontrol_new *kc) |
|
{ |
|
struct soc_mixer_control *sm; |
|
struct snd_soc_tplg_mixer_control *mc; |
|
int err; |
|
|
|
mc = (struct snd_soc_tplg_mixer_control *)tplg->pos; |
|
|
|
/* validate kcontrol */ |
|
if (strnlen(mc->hdr.name, SNDRV_CTL_ELEM_ID_NAME_MAXLEN) == |
|
SNDRV_CTL_ELEM_ID_NAME_MAXLEN) |
|
return -EINVAL; |
|
|
|
sm = devm_kzalloc(tplg->dev, sizeof(*sm), GFP_KERNEL); |
|
if (!sm) |
|
return -ENOMEM; |
|
|
|
tplg->pos += sizeof(struct snd_soc_tplg_mixer_control) + |
|
le32_to_cpu(mc->priv.size); |
|
|
|
dev_dbg(tplg->dev, " adding DAPM widget mixer control %s\n", |
|
mc->hdr.name); |
|
|
|
kc->private_value = (long)sm; |
|
kc->name = devm_kstrdup(tplg->dev, mc->hdr.name, GFP_KERNEL); |
|
if (!kc->name) |
|
return -ENOMEM; |
|
kc->iface = SNDRV_CTL_ELEM_IFACE_MIXER; |
|
kc->access = le32_to_cpu(mc->hdr.access); |
|
|
|
/* we only support FL/FR channel mapping atm */ |
|
sm->reg = tplc_chan_get_reg(tplg, mc->channel, |
|
SNDRV_CHMAP_FL); |
|
sm->rreg = tplc_chan_get_reg(tplg, mc->channel, |
|
SNDRV_CHMAP_FR); |
|
sm->shift = tplc_chan_get_shift(tplg, mc->channel, |
|
SNDRV_CHMAP_FL); |
|
sm->rshift = tplc_chan_get_shift(tplg, mc->channel, |
|
SNDRV_CHMAP_FR); |
|
|
|
sm->max = le32_to_cpu(mc->max); |
|
sm->min = le32_to_cpu(mc->min); |
|
sm->invert = le32_to_cpu(mc->invert); |
|
sm->platform_max = le32_to_cpu(mc->platform_max); |
|
sm->dobj.index = tplg->index; |
|
INIT_LIST_HEAD(&sm->dobj.list); |
|
|
|
/* map io handlers */ |
|
err = soc_tplg_kcontrol_bind_io(&mc->hdr, kc, tplg); |
|
if (err) { |
|
soc_control_err(tplg, &mc->hdr, mc->hdr.name); |
|
return err; |
|
} |
|
|
|
/* create any TLV data */ |
|
err = soc_tplg_create_tlv(tplg, kc, &mc->hdr); |
|
if (err < 0) { |
|
dev_err(tplg->dev, "ASoC: failed to create TLV %s\n", |
|
mc->hdr.name); |
|
return err; |
|
} |
|
|
|
/* pass control to driver for optional further init */ |
|
err = soc_tplg_control_load(tplg, kc, (struct snd_soc_tplg_ctl_hdr *)mc); |
|
if (err < 0) { |
|
dev_err(tplg->dev, "ASoC: failed to init %s\n", |
|
mc->hdr.name); |
|
return err; |
|
} |
|
|
|
return 0; |
|
} |
|
|
|
static int soc_tplg_dapm_widget_denum_create(struct soc_tplg *tplg, struct snd_kcontrol_new *kc) |
|
{ |
|
struct snd_soc_tplg_enum_control *ec; |
|
struct soc_enum *se; |
|
int err; |
|
|
|
ec = (struct snd_soc_tplg_enum_control *)tplg->pos; |
|
/* validate kcontrol */ |
|
if (strnlen(ec->hdr.name, SNDRV_CTL_ELEM_ID_NAME_MAXLEN) == |
|
SNDRV_CTL_ELEM_ID_NAME_MAXLEN) |
|
return -EINVAL; |
|
|
|
se = devm_kzalloc(tplg->dev, sizeof(*se), GFP_KERNEL); |
|
if (!se) |
|
return -ENOMEM; |
|
|
|
tplg->pos += (sizeof(struct snd_soc_tplg_enum_control) + |
|
le32_to_cpu(ec->priv.size)); |
|
|
|
dev_dbg(tplg->dev, " adding DAPM widget enum control %s\n", |
|
ec->hdr.name); |
|
|
|
kc->private_value = (long)se; |
|
kc->name = devm_kstrdup(tplg->dev, ec->hdr.name, GFP_KERNEL); |
|
if (!kc->name) |
|
return -ENOMEM; |
|
kc->iface = SNDRV_CTL_ELEM_IFACE_MIXER; |
|
kc->access = le32_to_cpu(ec->hdr.access); |
|
|
|
/* we only support FL/FR channel mapping atm */ |
|
se->reg = tplc_chan_get_reg(tplg, ec->channel, SNDRV_CHMAP_FL); |
|
se->shift_l = tplc_chan_get_shift(tplg, ec->channel, |
|
SNDRV_CHMAP_FL); |
|
se->shift_r = tplc_chan_get_shift(tplg, ec->channel, |
|
SNDRV_CHMAP_FR); |
|
|
|
se->items = le32_to_cpu(ec->items); |
|
se->mask = le32_to_cpu(ec->mask); |
|
se->dobj.index = tplg->index; |
|
|
|
switch (le32_to_cpu(ec->hdr.ops.info)) { |
|
case SND_SOC_TPLG_CTL_ENUM_VALUE: |
|
case SND_SOC_TPLG_DAPM_CTL_ENUM_VALUE: |
|
err = soc_tplg_denum_create_values(tplg, se, ec); |
|
if (err < 0) { |
|
dev_err(tplg->dev, "ASoC: could not create values for %s\n", |
|
ec->hdr.name); |
|
return err; |
|
} |
|
fallthrough; |
|
case SND_SOC_TPLG_CTL_ENUM: |
|
case SND_SOC_TPLG_DAPM_CTL_ENUM_DOUBLE: |
|
case SND_SOC_TPLG_DAPM_CTL_ENUM_VIRT: |
|
err = soc_tplg_denum_create_texts(tplg, se, ec); |
|
if (err < 0) { |
|
dev_err(tplg->dev, "ASoC: could not create texts for %s\n", |
|
ec->hdr.name); |
|
return err; |
|
} |
|
break; |
|
default: |
|
dev_err(tplg->dev, "ASoC: invalid enum control type %d for %s\n", |
|
ec->hdr.ops.info, ec->hdr.name); |
|
return -EINVAL; |
|
} |
|
|
|
/* map io handlers */ |
|
err = soc_tplg_kcontrol_bind_io(&ec->hdr, kc, tplg); |
|
if (err) { |
|
soc_control_err(tplg, &ec->hdr, ec->hdr.name); |
|
return err; |
|
} |
|
|
|
/* pass control to driver for optional further init */ |
|
err = soc_tplg_control_load(tplg, kc, (struct snd_soc_tplg_ctl_hdr *)ec); |
|
if (err < 0) { |
|
dev_err(tplg->dev, "ASoC: failed to init %s\n", |
|
ec->hdr.name); |
|
return err; |
|
} |
|
|
|
return 0; |
|
} |
|
|
|
static int soc_tplg_dapm_widget_dbytes_create(struct soc_tplg *tplg, struct snd_kcontrol_new *kc) |
|
{ |
|
struct snd_soc_tplg_bytes_control *be; |
|
struct soc_bytes_ext *sbe; |
|
int err; |
|
|
|
be = (struct snd_soc_tplg_bytes_control *)tplg->pos; |
|
|
|
/* validate kcontrol */ |
|
if (strnlen(be->hdr.name, SNDRV_CTL_ELEM_ID_NAME_MAXLEN) == |
|
SNDRV_CTL_ELEM_ID_NAME_MAXLEN) |
|
return -EINVAL; |
|
|
|
sbe = devm_kzalloc(tplg->dev, sizeof(*sbe), GFP_KERNEL); |
|
if (!sbe) |
|
return -ENOMEM; |
|
|
|
tplg->pos += (sizeof(struct snd_soc_tplg_bytes_control) + |
|
le32_to_cpu(be->priv.size)); |
|
|
|
dev_dbg(tplg->dev, |
|
"ASoC: adding bytes kcontrol %s with access 0x%x\n", |
|
be->hdr.name, be->hdr.access); |
|
|
|
kc->private_value = (long)sbe; |
|
kc->name = devm_kstrdup(tplg->dev, be->hdr.name, GFP_KERNEL); |
|
if (!kc->name) |
|
return -ENOMEM; |
|
kc->iface = SNDRV_CTL_ELEM_IFACE_MIXER; |
|
kc->access = le32_to_cpu(be->hdr.access); |
|
|
|
sbe->max = le32_to_cpu(be->max); |
|
INIT_LIST_HEAD(&sbe->dobj.list); |
|
|
|
/* map standard io handlers and check for external handlers */ |
|
err = soc_tplg_kcontrol_bind_io(&be->hdr, kc, tplg); |
|
if (err) { |
|
soc_control_err(tplg, &be->hdr, be->hdr.name); |
|
return err; |
|
} |
|
|
|
/* pass control to driver for optional further init */ |
|
err = soc_tplg_control_load(tplg, kc, (struct snd_soc_tplg_ctl_hdr *)be); |
|
if (err < 0) { |
|
dev_err(tplg->dev, "ASoC: failed to init %s\n", |
|
be->hdr.name); |
|
return err; |
|
} |
|
|
|
return 0; |
|
} |
|
|
|
static int soc_tplg_dapm_widget_create(struct soc_tplg *tplg, |
|
struct snd_soc_tplg_dapm_widget *w) |
|
{ |
|
struct snd_soc_dapm_context *dapm = &tplg->comp->dapm; |
|
struct snd_soc_dapm_widget template, *widget; |
|
struct snd_soc_tplg_ctl_hdr *control_hdr; |
|
struct snd_soc_card *card = tplg->comp->card; |
|
unsigned int *kcontrol_type = NULL; |
|
struct snd_kcontrol_new *kc; |
|
int mixer_count = 0; |
|
int bytes_count = 0; |
|
int enum_count = 0; |
|
int ret = 0; |
|
int i; |
|
|
|
if (strnlen(w->name, SNDRV_CTL_ELEM_ID_NAME_MAXLEN) == |
|
SNDRV_CTL_ELEM_ID_NAME_MAXLEN) |
|
return -EINVAL; |
|
if (strnlen(w->sname, SNDRV_CTL_ELEM_ID_NAME_MAXLEN) == |
|
SNDRV_CTL_ELEM_ID_NAME_MAXLEN) |
|
return -EINVAL; |
|
|
|
dev_dbg(tplg->dev, "ASoC: creating DAPM widget %s id %d\n", |
|
w->name, w->id); |
|
|
|
memset(&template, 0, sizeof(template)); |
|
|
|
/* map user to kernel widget ID */ |
|
template.id = get_widget_id(le32_to_cpu(w->id)); |
|
if ((int)template.id < 0) |
|
return template.id; |
|
|
|
/* strings are allocated here, but used and freed by the widget */ |
|
template.name = kstrdup(w->name, GFP_KERNEL); |
|
if (!template.name) |
|
return -ENOMEM; |
|
template.sname = kstrdup(w->sname, GFP_KERNEL); |
|
if (!template.sname) { |
|
ret = -ENOMEM; |
|
goto err; |
|
} |
|
template.reg = le32_to_cpu(w->reg); |
|
template.shift = le32_to_cpu(w->shift); |
|
template.mask = le32_to_cpu(w->mask); |
|
template.subseq = le32_to_cpu(w->subseq); |
|
template.on_val = w->invert ? 0 : 1; |
|
template.off_val = w->invert ? 1 : 0; |
|
template.ignore_suspend = le32_to_cpu(w->ignore_suspend); |
|
template.event_flags = le16_to_cpu(w->event_flags); |
|
template.dobj.index = tplg->index; |
|
|
|
tplg->pos += |
|
(sizeof(struct snd_soc_tplg_dapm_widget) + |
|
le32_to_cpu(w->priv.size)); |
|
|
|
if (w->num_kcontrols == 0) { |
|
template.num_kcontrols = 0; |
|
goto widget; |
|
} |
|
|
|
template.num_kcontrols = le32_to_cpu(w->num_kcontrols); |
|
kc = devm_kcalloc(tplg->dev, le32_to_cpu(w->num_kcontrols), sizeof(*kc), GFP_KERNEL); |
|
if (!kc) |
|
goto hdr_err; |
|
|
|
kcontrol_type = devm_kcalloc(tplg->dev, le32_to_cpu(w->num_kcontrols), sizeof(unsigned int), |
|
GFP_KERNEL); |
|
if (!kcontrol_type) |
|
goto hdr_err; |
|
|
|
for (i = 0; i < le32_to_cpu(w->num_kcontrols); i++) { |
|
control_hdr = (struct snd_soc_tplg_ctl_hdr *)tplg->pos; |
|
switch (le32_to_cpu(control_hdr->ops.info)) { |
|
case SND_SOC_TPLG_CTL_VOLSW: |
|
case SND_SOC_TPLG_CTL_STROBE: |
|
case SND_SOC_TPLG_CTL_VOLSW_SX: |
|
case SND_SOC_TPLG_CTL_VOLSW_XR_SX: |
|
case SND_SOC_TPLG_CTL_RANGE: |
|
case SND_SOC_TPLG_DAPM_CTL_VOLSW: |
|
/* volume mixer */ |
|
kc[i].index = mixer_count; |
|
kcontrol_type[i] = SND_SOC_TPLG_TYPE_MIXER; |
|
mixer_count++; |
|
ret = soc_tplg_dapm_widget_dmixer_create(tplg, &kc[i]); |
|
if (ret < 0) |
|
goto hdr_err; |
|
break; |
|
case SND_SOC_TPLG_CTL_ENUM: |
|
case SND_SOC_TPLG_CTL_ENUM_VALUE: |
|
case SND_SOC_TPLG_DAPM_CTL_ENUM_DOUBLE: |
|
case SND_SOC_TPLG_DAPM_CTL_ENUM_VIRT: |
|
case SND_SOC_TPLG_DAPM_CTL_ENUM_VALUE: |
|
/* enumerated mixer */ |
|
kc[i].index = enum_count; |
|
kcontrol_type[i] = SND_SOC_TPLG_TYPE_ENUM; |
|
enum_count++; |
|
ret = soc_tplg_dapm_widget_denum_create(tplg, &kc[i]); |
|
if (ret < 0) |
|
goto hdr_err; |
|
break; |
|
case SND_SOC_TPLG_CTL_BYTES: |
|
/* bytes control */ |
|
kc[i].index = bytes_count; |
|
kcontrol_type[i] = SND_SOC_TPLG_TYPE_BYTES; |
|
bytes_count++; |
|
ret = soc_tplg_dapm_widget_dbytes_create(tplg, &kc[i]); |
|
if (ret < 0) |
|
goto hdr_err; |
|
break; |
|
default: |
|
dev_err(tplg->dev, "ASoC: invalid widget control type %d:%d:%d\n", |
|
control_hdr->ops.get, control_hdr->ops.put, |
|
le32_to_cpu(control_hdr->ops.info)); |
|
ret = -EINVAL; |
|
goto hdr_err; |
|
} |
|
} |
|
|
|
template.kcontrol_news = kc; |
|
dev_dbg(tplg->dev, "ASoC: template %s with %d/%d/%d (mixer/enum/bytes) control\n", |
|
w->name, mixer_count, enum_count, bytes_count); |
|
|
|
widget: |
|
ret = soc_tplg_widget_load(tplg, &template, w); |
|
if (ret < 0) |
|
goto hdr_err; |
|
|
|
/* card dapm mutex is held by the core if we are loading topology |
|
* data during sound card init. */ |
|
if (card->instantiated) |
|
widget = snd_soc_dapm_new_control(dapm, &template); |
|
else |
|
widget = snd_soc_dapm_new_control_unlocked(dapm, &template); |
|
if (IS_ERR(widget)) { |
|
ret = PTR_ERR(widget); |
|
goto hdr_err; |
|
} |
|
|
|
widget->dobj.type = SND_SOC_DOBJ_WIDGET; |
|
widget->dobj.widget.kcontrol_type = kcontrol_type; |
|
widget->dobj.ops = tplg->ops; |
|
widget->dobj.index = tplg->index; |
|
list_add(&widget->dobj.list, &tplg->comp->dobj_list); |
|
|
|
ret = soc_tplg_widget_ready(tplg, widget, w); |
|
if (ret < 0) |
|
goto ready_err; |
|
|
|
kfree(template.sname); |
|
kfree(template.name); |
|
|
|
return 0; |
|
|
|
ready_err: |
|
remove_widget(widget->dapm->component, &widget->dobj, SOC_TPLG_PASS_WIDGET); |
|
snd_soc_dapm_free_widget(widget); |
|
hdr_err: |
|
kfree(template.sname); |
|
err: |
|
kfree(template.name); |
|
return ret; |
|
} |
|
|
|
static int soc_tplg_dapm_widget_elems_load(struct soc_tplg *tplg, |
|
struct snd_soc_tplg_hdr *hdr) |
|
{ |
|
int count, i; |
|
|
|
count = le32_to_cpu(hdr->count); |
|
|
|
dev_dbg(tplg->dev, "ASoC: adding %d DAPM widgets\n", count); |
|
|
|
for (i = 0; i < count; i++) { |
|
struct snd_soc_tplg_dapm_widget *widget = (struct snd_soc_tplg_dapm_widget *) tplg->pos; |
|
int ret; |
|
|
|
/* |
|
* check if widget itself fits within topology file |
|
* use sizeof instead of widget->size, as we can't be sure |
|
* it is set properly yet (file may end before it is present) |
|
*/ |
|
if (soc_tplg_get_offset(tplg) + sizeof(*widget) >= tplg->fw->size) { |
|
dev_err(tplg->dev, "ASoC: invalid widget data size\n"); |
|
return -EINVAL; |
|
} |
|
|
|
/* check if widget has proper size */ |
|
if (le32_to_cpu(widget->size) != sizeof(*widget)) { |
|
dev_err(tplg->dev, "ASoC: invalid widget size\n"); |
|
return -EINVAL; |
|
} |
|
|
|
/* check if widget private data fits within topology file */ |
|
if (soc_tplg_get_offset(tplg) + le32_to_cpu(widget->priv.size) >= tplg->fw->size) { |
|
dev_err(tplg->dev, "ASoC: invalid widget private data size\n"); |
|
return -EINVAL; |
|
} |
|
|
|
ret = soc_tplg_dapm_widget_create(tplg, widget); |
|
if (ret < 0) { |
|
dev_err(tplg->dev, "ASoC: failed to load widget %s\n", |
|
widget->name); |
|
return ret; |
|
} |
|
} |
|
|
|
return 0; |
|
} |
|
|
|
static int soc_tplg_dapm_complete(struct soc_tplg *tplg) |
|
{ |
|
struct snd_soc_card *card = tplg->comp->card; |
|
int ret; |
|
|
|
/* Card might not have been registered at this point. |
|
* If so, just return success. |
|
*/ |
|
if (!card || !card->instantiated) { |
|
dev_warn(tplg->dev, "ASoC: Parent card not yet available," |
|
" widget card binding deferred\n"); |
|
return 0; |
|
} |
|
|
|
ret = snd_soc_dapm_new_widgets(card); |
|
if (ret < 0) |
|
dev_err(tplg->dev, "ASoC: failed to create new widgets %d\n", |
|
ret); |
|
|
|
return 0; |
|
} |
|
|
|
static int set_stream_info(struct soc_tplg *tplg, struct snd_soc_pcm_stream *stream, |
|
struct snd_soc_tplg_stream_caps *caps) |
|
{ |
|
stream->stream_name = devm_kstrdup(tplg->dev, caps->name, GFP_KERNEL); |
|
if (!stream->stream_name) |
|
return -ENOMEM; |
|
|
|
stream->channels_min = le32_to_cpu(caps->channels_min); |
|
stream->channels_max = le32_to_cpu(caps->channels_max); |
|
stream->rates = le32_to_cpu(caps->rates); |
|
stream->rate_min = le32_to_cpu(caps->rate_min); |
|
stream->rate_max = le32_to_cpu(caps->rate_max); |
|
stream->formats = le64_to_cpu(caps->formats); |
|
stream->sig_bits = le32_to_cpu(caps->sig_bits); |
|
|
|
return 0; |
|
} |
|
|
|
static void set_dai_flags(struct snd_soc_dai_driver *dai_drv, |
|
unsigned int flag_mask, unsigned int flags) |
|
{ |
|
if (flag_mask & SND_SOC_TPLG_DAI_FLGBIT_SYMMETRIC_RATES) |
|
dai_drv->symmetric_rate = |
|
(flags & SND_SOC_TPLG_DAI_FLGBIT_SYMMETRIC_RATES) ? 1 : 0; |
|
|
|
if (flag_mask & SND_SOC_TPLG_DAI_FLGBIT_SYMMETRIC_CHANNELS) |
|
dai_drv->symmetric_channels = |
|
(flags & SND_SOC_TPLG_DAI_FLGBIT_SYMMETRIC_CHANNELS) ? |
|
1 : 0; |
|
|
|
if (flag_mask & SND_SOC_TPLG_DAI_FLGBIT_SYMMETRIC_SAMPLEBITS) |
|
dai_drv->symmetric_sample_bits = |
|
(flags & SND_SOC_TPLG_DAI_FLGBIT_SYMMETRIC_SAMPLEBITS) ? |
|
1 : 0; |
|
} |
|
|
|
static int soc_tplg_dai_create(struct soc_tplg *tplg, |
|
struct snd_soc_tplg_pcm *pcm) |
|
{ |
|
struct snd_soc_dai_driver *dai_drv; |
|
struct snd_soc_pcm_stream *stream; |
|
struct snd_soc_tplg_stream_caps *caps; |
|
struct snd_soc_dai *dai; |
|
struct snd_soc_dapm_context *dapm = |
|
snd_soc_component_get_dapm(tplg->comp); |
|
int ret; |
|
|
|
dai_drv = devm_kzalloc(tplg->dev, sizeof(struct snd_soc_dai_driver), GFP_KERNEL); |
|
if (dai_drv == NULL) |
|
return -ENOMEM; |
|
|
|
if (strlen(pcm->dai_name)) { |
|
dai_drv->name = devm_kstrdup(tplg->dev, pcm->dai_name, GFP_KERNEL); |
|
if (!dai_drv->name) { |
|
ret = -ENOMEM; |
|
goto err; |
|
} |
|
} |
|
dai_drv->id = le32_to_cpu(pcm->dai_id); |
|
|
|
if (pcm->playback) { |
|
stream = &dai_drv->playback; |
|
caps = &pcm->caps[SND_SOC_TPLG_STREAM_PLAYBACK]; |
|
ret = set_stream_info(tplg, stream, caps); |
|
if (ret < 0) |
|
goto err; |
|
} |
|
|
|
if (pcm->capture) { |
|
stream = &dai_drv->capture; |
|
caps = &pcm->caps[SND_SOC_TPLG_STREAM_CAPTURE]; |
|
ret = set_stream_info(tplg, stream, caps); |
|
if (ret < 0) |
|
goto err; |
|
} |
|
|
|
if (pcm->compress) |
|
dai_drv->compress_new = snd_soc_new_compress; |
|
|
|
/* pass control to component driver for optional further init */ |
|
ret = soc_tplg_dai_load(tplg, dai_drv, pcm, NULL); |
|
if (ret < 0) { |
|
dev_err(tplg->dev, "ASoC: DAI loading failed\n"); |
|
goto err; |
|
} |
|
|
|
dai_drv->dobj.index = tplg->index; |
|
dai_drv->dobj.ops = tplg->ops; |
|
dai_drv->dobj.type = SND_SOC_DOBJ_PCM; |
|
list_add(&dai_drv->dobj.list, &tplg->comp->dobj_list); |
|
|
|
/* register the DAI to the component */ |
|
dai = snd_soc_register_dai(tplg->comp, dai_drv, false); |
|
if (!dai) |
|
return -ENOMEM; |
|
|
|
/* Create the DAI widgets here */ |
|
ret = snd_soc_dapm_new_dai_widgets(dapm, dai); |
|
if (ret != 0) { |
|
dev_err(dai->dev, "Failed to create DAI widgets %d\n", ret); |
|
snd_soc_unregister_dai(dai); |
|
return ret; |
|
} |
|
|
|
return 0; |
|
|
|
err: |
|
return ret; |
|
} |
|
|
|
static void set_link_flags(struct snd_soc_dai_link *link, |
|
unsigned int flag_mask, unsigned int flags) |
|
{ |
|
if (flag_mask & SND_SOC_TPLG_LNK_FLGBIT_SYMMETRIC_RATES) |
|
link->symmetric_rate = |
|
(flags & SND_SOC_TPLG_LNK_FLGBIT_SYMMETRIC_RATES) ? 1 : 0; |
|
|
|
if (flag_mask & SND_SOC_TPLG_LNK_FLGBIT_SYMMETRIC_CHANNELS) |
|
link->symmetric_channels = |
|
(flags & SND_SOC_TPLG_LNK_FLGBIT_SYMMETRIC_CHANNELS) ? |
|
1 : 0; |
|
|
|
if (flag_mask & SND_SOC_TPLG_LNK_FLGBIT_SYMMETRIC_SAMPLEBITS) |
|
link->symmetric_sample_bits = |
|
(flags & SND_SOC_TPLG_LNK_FLGBIT_SYMMETRIC_SAMPLEBITS) ? |
|
1 : 0; |
|
|
|
if (flag_mask & SND_SOC_TPLG_LNK_FLGBIT_VOICE_WAKEUP) |
|
link->ignore_suspend = |
|
(flags & SND_SOC_TPLG_LNK_FLGBIT_VOICE_WAKEUP) ? |
|
1 : 0; |
|
} |
|
|
|
/* create the FE DAI link */ |
|
static int soc_tplg_fe_link_create(struct soc_tplg *tplg, |
|
struct snd_soc_tplg_pcm *pcm) |
|
{ |
|
struct snd_soc_dai_link *link; |
|
struct snd_soc_dai_link_component *dlc; |
|
int ret; |
|
|
|
/* link + cpu + codec + platform */ |
|
link = devm_kzalloc(tplg->dev, sizeof(*link) + (3 * sizeof(*dlc)), GFP_KERNEL); |
|
if (link == NULL) |
|
return -ENOMEM; |
|
|
|
dlc = (struct snd_soc_dai_link_component *)(link + 1); |
|
|
|
link->cpus = &dlc[0]; |
|
link->codecs = &dlc[1]; |
|
link->platforms = &dlc[2]; |
|
|
|
link->num_cpus = 1; |
|
link->num_codecs = 1; |
|
link->num_platforms = 1; |
|
|
|
link->dobj.index = tplg->index; |
|
link->dobj.ops = tplg->ops; |
|
link->dobj.type = SND_SOC_DOBJ_DAI_LINK; |
|
|
|
if (strlen(pcm->pcm_name)) { |
|
link->name = devm_kstrdup(tplg->dev, pcm->pcm_name, GFP_KERNEL); |
|
link->stream_name = devm_kstrdup(tplg->dev, pcm->pcm_name, GFP_KERNEL); |
|
if (!link->name || !link->stream_name) { |
|
ret = -ENOMEM; |
|
goto err; |
|
} |
|
} |
|
link->id = le32_to_cpu(pcm->pcm_id); |
|
|
|
if (strlen(pcm->dai_name)) { |
|
link->cpus->dai_name = devm_kstrdup(tplg->dev, pcm->dai_name, GFP_KERNEL); |
|
if (!link->cpus->dai_name) { |
|
ret = -ENOMEM; |
|
goto err; |
|
} |
|
} |
|
|
|
link->codecs->name = "snd-soc-dummy"; |
|
link->codecs->dai_name = "snd-soc-dummy-dai"; |
|
|
|
link->platforms->name = "snd-soc-dummy"; |
|
|
|
/* enable DPCM */ |
|
link->dynamic = 1; |
|
link->dpcm_playback = le32_to_cpu(pcm->playback); |
|
link->dpcm_capture = le32_to_cpu(pcm->capture); |
|
if (pcm->flag_mask) |
|
set_link_flags(link, |
|
le32_to_cpu(pcm->flag_mask), |
|
le32_to_cpu(pcm->flags)); |
|
|
|
/* pass control to component driver for optional further init */ |
|
ret = soc_tplg_dai_link_load(tplg, link, NULL); |
|
if (ret < 0) { |
|
dev_err(tplg->dev, "ASoC: FE link loading failed\n"); |
|
goto err; |
|
} |
|
|
|
ret = snd_soc_add_pcm_runtime(tplg->comp->card, link); |
|
if (ret < 0) { |
|
dev_err(tplg->dev, "ASoC: adding FE link failed\n"); |
|
goto err; |
|
} |
|
|
|
list_add(&link->dobj.list, &tplg->comp->dobj_list); |
|
|
|
return 0; |
|
err: |
|
return ret; |
|
} |
|
|
|
/* create a FE DAI and DAI link from the PCM object */ |
|
static int soc_tplg_pcm_create(struct soc_tplg *tplg, |
|
struct snd_soc_tplg_pcm *pcm) |
|
{ |
|
int ret; |
|
|
|
ret = soc_tplg_dai_create(tplg, pcm); |
|
if (ret < 0) |
|
return ret; |
|
|
|
return soc_tplg_fe_link_create(tplg, pcm); |
|
} |
|
|
|
/* copy stream caps from the old version 4 of source */ |
|
static void stream_caps_new_ver(struct snd_soc_tplg_stream_caps *dest, |
|
struct snd_soc_tplg_stream_caps_v4 *src) |
|
{ |
|
dest->size = cpu_to_le32(sizeof(*dest)); |
|
memcpy(dest->name, src->name, SNDRV_CTL_ELEM_ID_NAME_MAXLEN); |
|
dest->formats = src->formats; |
|
dest->rates = src->rates; |
|
dest->rate_min = src->rate_min; |
|
dest->rate_max = src->rate_max; |
|
dest->channels_min = src->channels_min; |
|
dest->channels_max = src->channels_max; |
|
dest->periods_min = src->periods_min; |
|
dest->periods_max = src->periods_max; |
|
dest->period_size_min = src->period_size_min; |
|
dest->period_size_max = src->period_size_max; |
|
dest->buffer_size_min = src->buffer_size_min; |
|
dest->buffer_size_max = src->buffer_size_max; |
|
} |
|
|
|
/** |
|
* pcm_new_ver - Create the new version of PCM from the old version. |
|
* @tplg: topology context |
|
* @src: older version of pcm as a source |
|
* @pcm: latest version of pcm created from the source |
|
* |
|
* Support from version 4. User should free the returned pcm manually. |
|
*/ |
|
static int pcm_new_ver(struct soc_tplg *tplg, |
|
struct snd_soc_tplg_pcm *src, |
|
struct snd_soc_tplg_pcm **pcm) |
|
{ |
|
struct snd_soc_tplg_pcm *dest; |
|
struct snd_soc_tplg_pcm_v4 *src_v4; |
|
int i; |
|
|
|
*pcm = NULL; |
|
|
|
if (le32_to_cpu(src->size) != sizeof(*src_v4)) { |
|
dev_err(tplg->dev, "ASoC: invalid PCM size\n"); |
|
return -EINVAL; |
|
} |
|
|
|
dev_warn(tplg->dev, "ASoC: old version of PCM\n"); |
|
src_v4 = (struct snd_soc_tplg_pcm_v4 *)src; |
|
dest = kzalloc(sizeof(*dest), GFP_KERNEL); |
|
if (!dest) |
|
return -ENOMEM; |
|
|
|
dest->size = cpu_to_le32(sizeof(*dest)); /* size of latest abi version */ |
|
memcpy(dest->pcm_name, src_v4->pcm_name, SNDRV_CTL_ELEM_ID_NAME_MAXLEN); |
|
memcpy(dest->dai_name, src_v4->dai_name, SNDRV_CTL_ELEM_ID_NAME_MAXLEN); |
|
dest->pcm_id = src_v4->pcm_id; |
|
dest->dai_id = src_v4->dai_id; |
|
dest->playback = src_v4->playback; |
|
dest->capture = src_v4->capture; |
|
dest->compress = src_v4->compress; |
|
dest->num_streams = src_v4->num_streams; |
|
for (i = 0; i < le32_to_cpu(dest->num_streams); i++) |
|
memcpy(&dest->stream[i], &src_v4->stream[i], |
|
sizeof(struct snd_soc_tplg_stream)); |
|
|
|
for (i = 0; i < 2; i++) |
|
stream_caps_new_ver(&dest->caps[i], &src_v4->caps[i]); |
|
|
|
*pcm = dest; |
|
return 0; |
|
} |
|
|
|
static int soc_tplg_pcm_elems_load(struct soc_tplg *tplg, |
|
struct snd_soc_tplg_hdr *hdr) |
|
{ |
|
struct snd_soc_tplg_pcm *pcm, *_pcm; |
|
int count; |
|
int size; |
|
int i; |
|
bool abi_match; |
|
int ret; |
|
|
|
count = le32_to_cpu(hdr->count); |
|
|
|
/* check the element size and count */ |
|
pcm = (struct snd_soc_tplg_pcm *)tplg->pos; |
|
size = le32_to_cpu(pcm->size); |
|
if (size > sizeof(struct snd_soc_tplg_pcm) |
|
|| size < sizeof(struct snd_soc_tplg_pcm_v4)) { |
|
dev_err(tplg->dev, "ASoC: invalid size %d for PCM elems\n", |
|
size); |
|
return -EINVAL; |
|
} |
|
|
|
if (soc_tplg_check_elem_count(tplg, |
|
size, count, |
|
le32_to_cpu(hdr->payload_size), |
|
"PCM DAI")) |
|
return -EINVAL; |
|
|
|
for (i = 0; i < count; i++) { |
|
pcm = (struct snd_soc_tplg_pcm *)tplg->pos; |
|
size = le32_to_cpu(pcm->size); |
|
|
|
/* check ABI version by size, create a new version of pcm |
|
* if abi not match. |
|
*/ |
|
if (size == sizeof(*pcm)) { |
|
abi_match = true; |
|
_pcm = pcm; |
|
} else { |
|
abi_match = false; |
|
ret = pcm_new_ver(tplg, pcm, &_pcm); |
|
if (ret < 0) |
|
return ret; |
|
} |
|
|
|
/* create the FE DAIs and DAI links */ |
|
ret = soc_tplg_pcm_create(tplg, _pcm); |
|
if (ret < 0) { |
|
if (!abi_match) |
|
kfree(_pcm); |
|
return ret; |
|
} |
|
|
|
/* offset by version-specific struct size and |
|
* real priv data size |
|
*/ |
|
tplg->pos += size + le32_to_cpu(_pcm->priv.size); |
|
|
|
if (!abi_match) |
|
kfree(_pcm); /* free the duplicated one */ |
|
} |
|
|
|
dev_dbg(tplg->dev, "ASoC: adding %d PCM DAIs\n", count); |
|
|
|
return 0; |
|
} |
|
|
|
/** |
|
* set_link_hw_format - Set the HW audio format of the physical DAI link. |
|
* @link: &snd_soc_dai_link which should be updated |
|
* @cfg: physical link configs. |
|
* |
|
* Topology context contains a list of supported HW formats (configs) and |
|
* a default format ID for the physical link. This function will use this |
|
* default ID to choose the HW format to set the link's DAI format for init. |
|
*/ |
|
static void set_link_hw_format(struct snd_soc_dai_link *link, |
|
struct snd_soc_tplg_link_config *cfg) |
|
{ |
|
struct snd_soc_tplg_hw_config *hw_config; |
|
unsigned char bclk_provider, fsync_provider; |
|
unsigned char invert_bclk, invert_fsync; |
|
int i; |
|
|
|
for (i = 0; i < le32_to_cpu(cfg->num_hw_configs); i++) { |
|
hw_config = &cfg->hw_config[i]; |
|
if (hw_config->id != cfg->default_hw_config_id) |
|
continue; |
|
|
|
link->dai_fmt = le32_to_cpu(hw_config->fmt) & |
|
SND_SOC_DAIFMT_FORMAT_MASK; |
|
|
|
/* clock gating */ |
|
switch (hw_config->clock_gated) { |
|
case SND_SOC_TPLG_DAI_CLK_GATE_GATED: |
|
link->dai_fmt |= SND_SOC_DAIFMT_GATED; |
|
break; |
|
|
|
case SND_SOC_TPLG_DAI_CLK_GATE_CONT: |
|
link->dai_fmt |= SND_SOC_DAIFMT_CONT; |
|
break; |
|
|
|
default: |
|
/* ignore the value */ |
|
break; |
|
} |
|
|
|
/* clock signal polarity */ |
|
invert_bclk = hw_config->invert_bclk; |
|
invert_fsync = hw_config->invert_fsync; |
|
if (!invert_bclk && !invert_fsync) |
|
link->dai_fmt |= SND_SOC_DAIFMT_NB_NF; |
|
else if (!invert_bclk && invert_fsync) |
|
link->dai_fmt |= SND_SOC_DAIFMT_NB_IF; |
|
else if (invert_bclk && !invert_fsync) |
|
link->dai_fmt |= SND_SOC_DAIFMT_IB_NF; |
|
else |
|
link->dai_fmt |= SND_SOC_DAIFMT_IB_IF; |
|
|
|
/* clock masters */ |
|
bclk_provider = (hw_config->bclk_provider == |
|
SND_SOC_TPLG_BCLK_CP); |
|
fsync_provider = (hw_config->fsync_provider == |
|
SND_SOC_TPLG_FSYNC_CP); |
|
if (bclk_provider && fsync_provider) |
|
link->dai_fmt |= SND_SOC_DAIFMT_CBP_CFP; |
|
else if (!bclk_provider && fsync_provider) |
|
link->dai_fmt |= SND_SOC_DAIFMT_CBC_CFP; |
|
else if (bclk_provider && !fsync_provider) |
|
link->dai_fmt |= SND_SOC_DAIFMT_CBP_CFC; |
|
else |
|
link->dai_fmt |= SND_SOC_DAIFMT_CBC_CFC; |
|
} |
|
} |
|
|
|
/** |
|
* link_new_ver - Create a new physical link config from the old |
|
* version of source. |
|
* @tplg: topology context |
|
* @src: old version of phyical link config as a source |
|
* @link: latest version of physical link config created from the source |
|
* |
|
* Support from version 4. User need free the returned link config manually. |
|
*/ |
|
static int link_new_ver(struct soc_tplg *tplg, |
|
struct snd_soc_tplg_link_config *src, |
|
struct snd_soc_tplg_link_config **link) |
|
{ |
|
struct snd_soc_tplg_link_config *dest; |
|
struct snd_soc_tplg_link_config_v4 *src_v4; |
|
int i; |
|
|
|
*link = NULL; |
|
|
|
if (le32_to_cpu(src->size) != |
|
sizeof(struct snd_soc_tplg_link_config_v4)) { |
|
dev_err(tplg->dev, "ASoC: invalid physical link config size\n"); |
|
return -EINVAL; |
|
} |
|
|
|
dev_warn(tplg->dev, "ASoC: old version of physical link config\n"); |
|
|
|
src_v4 = (struct snd_soc_tplg_link_config_v4 *)src; |
|
dest = kzalloc(sizeof(*dest), GFP_KERNEL); |
|
if (!dest) |
|
return -ENOMEM; |
|
|
|
dest->size = cpu_to_le32(sizeof(*dest)); |
|
dest->id = src_v4->id; |
|
dest->num_streams = src_v4->num_streams; |
|
for (i = 0; i < le32_to_cpu(dest->num_streams); i++) |
|
memcpy(&dest->stream[i], &src_v4->stream[i], |
|
sizeof(struct snd_soc_tplg_stream)); |
|
|
|
*link = dest; |
|
return 0; |
|
} |
|
|
|
/** |
|
* snd_soc_find_dai_link - Find a DAI link |
|
* |
|
* @card: soc card |
|
* @id: DAI link ID to match |
|
* @name: DAI link name to match, optional |
|
* @stream_name: DAI link stream name to match, optional |
|
* |
|
* This function will search all existing DAI links of the soc card to |
|
* find the link of the same ID. Since DAI links may not have their |
|
* unique ID, so name and stream name should also match if being |
|
* specified. |
|
* |
|
* Return: pointer of DAI link, or NULL if not found. |
|
*/ |
|
static struct snd_soc_dai_link *snd_soc_find_dai_link(struct snd_soc_card *card, |
|
int id, const char *name, |
|
const char *stream_name) |
|
{ |
|
struct snd_soc_pcm_runtime *rtd; |
|
|
|
for_each_card_rtds(card, rtd) { |
|
struct snd_soc_dai_link *link = rtd->dai_link; |
|
|
|
if (link->id != id) |
|
continue; |
|
|
|
if (name && (!link->name || strcmp(name, link->name))) |
|
continue; |
|
|
|
if (stream_name && (!link->stream_name |
|
|| strcmp(stream_name, link->stream_name))) |
|
continue; |
|
|
|
return link; |
|
} |
|
|
|
return NULL; |
|
} |
|
|
|
/* Find and configure an existing physical DAI link */ |
|
static int soc_tplg_link_config(struct soc_tplg *tplg, |
|
struct snd_soc_tplg_link_config *cfg) |
|
{ |
|
struct snd_soc_dai_link *link; |
|
const char *name, *stream_name; |
|
size_t len; |
|
int ret; |
|
|
|
len = strnlen(cfg->name, SNDRV_CTL_ELEM_ID_NAME_MAXLEN); |
|
if (len == SNDRV_CTL_ELEM_ID_NAME_MAXLEN) |
|
return -EINVAL; |
|
else if (len) |
|
name = cfg->name; |
|
else |
|
name = NULL; |
|
|
|
len = strnlen(cfg->stream_name, SNDRV_CTL_ELEM_ID_NAME_MAXLEN); |
|
if (len == SNDRV_CTL_ELEM_ID_NAME_MAXLEN) |
|
return -EINVAL; |
|
else if (len) |
|
stream_name = cfg->stream_name; |
|
else |
|
stream_name = NULL; |
|
|
|
link = snd_soc_find_dai_link(tplg->comp->card, le32_to_cpu(cfg->id), |
|
name, stream_name); |
|
if (!link) { |
|
dev_err(tplg->dev, "ASoC: physical link %s (id %d) not exist\n", |
|
name, cfg->id); |
|
return -EINVAL; |
|
} |
|
|
|
/* hw format */ |
|
if (cfg->num_hw_configs) |
|
set_link_hw_format(link, cfg); |
|
|
|
/* flags */ |
|
if (cfg->flag_mask) |
|
set_link_flags(link, |
|
le32_to_cpu(cfg->flag_mask), |
|
le32_to_cpu(cfg->flags)); |
|
|
|
/* pass control to component driver for optional further init */ |
|
ret = soc_tplg_dai_link_load(tplg, link, cfg); |
|
if (ret < 0) { |
|
dev_err(tplg->dev, "ASoC: physical link loading failed\n"); |
|
return ret; |
|
} |
|
|
|
/* for unloading it in snd_soc_tplg_component_remove */ |
|
link->dobj.index = tplg->index; |
|
link->dobj.ops = tplg->ops; |
|
link->dobj.type = SND_SOC_DOBJ_BACKEND_LINK; |
|
list_add(&link->dobj.list, &tplg->comp->dobj_list); |
|
|
|
return 0; |
|
} |
|
|
|
|
|
/* Load physical link config elements from the topology context */ |
|
static int soc_tplg_link_elems_load(struct soc_tplg *tplg, |
|
struct snd_soc_tplg_hdr *hdr) |
|
{ |
|
struct snd_soc_tplg_link_config *link, *_link; |
|
int count; |
|
int size; |
|
int i, ret; |
|
bool abi_match; |
|
|
|
count = le32_to_cpu(hdr->count); |
|
|
|
/* check the element size and count */ |
|
link = (struct snd_soc_tplg_link_config *)tplg->pos; |
|
size = le32_to_cpu(link->size); |
|
if (size > sizeof(struct snd_soc_tplg_link_config) |
|
|| size < sizeof(struct snd_soc_tplg_link_config_v4)) { |
|
dev_err(tplg->dev, "ASoC: invalid size %d for physical link elems\n", |
|
size); |
|
return -EINVAL; |
|
} |
|
|
|
if (soc_tplg_check_elem_count(tplg, size, count, |
|
le32_to_cpu(hdr->payload_size), |
|
"physical link config")) |
|
return -EINVAL; |
|
|
|
/* config physical DAI links */ |
|
for (i = 0; i < count; i++) { |
|
link = (struct snd_soc_tplg_link_config *)tplg->pos; |
|
size = le32_to_cpu(link->size); |
|
if (size == sizeof(*link)) { |
|
abi_match = true; |
|
_link = link; |
|
} else { |
|
abi_match = false; |
|
ret = link_new_ver(tplg, link, &_link); |
|
if (ret < 0) |
|
return ret; |
|
} |
|
|
|
ret = soc_tplg_link_config(tplg, _link); |
|
if (ret < 0) { |
|
if (!abi_match) |
|
kfree(_link); |
|
return ret; |
|
} |
|
|
|
/* offset by version-specific struct size and |
|
* real priv data size |
|
*/ |
|
tplg->pos += size + le32_to_cpu(_link->priv.size); |
|
|
|
if (!abi_match) |
|
kfree(_link); /* free the duplicated one */ |
|
} |
|
|
|
return 0; |
|
} |
|
|
|
/** |
|
* soc_tplg_dai_config - Find and configure an existing physical DAI. |
|
* @tplg: topology context |
|
* @d: physical DAI configs. |
|
* |
|
* The physical dai should already be registered by the platform driver. |
|
* The platform driver should specify the DAI name and ID for matching. |
|
*/ |
|
static int soc_tplg_dai_config(struct soc_tplg *tplg, |
|
struct snd_soc_tplg_dai *d) |
|
{ |
|
struct snd_soc_dai_link_component dai_component; |
|
struct snd_soc_dai *dai; |
|
struct snd_soc_dai_driver *dai_drv; |
|
struct snd_soc_pcm_stream *stream; |
|
struct snd_soc_tplg_stream_caps *caps; |
|
int ret; |
|
|
|
memset(&dai_component, 0, sizeof(dai_component)); |
|
|
|
dai_component.dai_name = d->dai_name; |
|
dai = snd_soc_find_dai(&dai_component); |
|
if (!dai) { |
|
dev_err(tplg->dev, "ASoC: physical DAI %s not registered\n", |
|
d->dai_name); |
|
return -EINVAL; |
|
} |
|
|
|
if (le32_to_cpu(d->dai_id) != dai->id) { |
|
dev_err(tplg->dev, "ASoC: physical DAI %s id mismatch\n", |
|
d->dai_name); |
|
return -EINVAL; |
|
} |
|
|
|
dai_drv = dai->driver; |
|
if (!dai_drv) |
|
return -EINVAL; |
|
|
|
if (d->playback) { |
|
stream = &dai_drv->playback; |
|
caps = &d->caps[SND_SOC_TPLG_STREAM_PLAYBACK]; |
|
ret = set_stream_info(tplg, stream, caps); |
|
if (ret < 0) |
|
goto err; |
|
} |
|
|
|
if (d->capture) { |
|
stream = &dai_drv->capture; |
|
caps = &d->caps[SND_SOC_TPLG_STREAM_CAPTURE]; |
|
ret = set_stream_info(tplg, stream, caps); |
|
if (ret < 0) |
|
goto err; |
|
} |
|
|
|
if (d->flag_mask) |
|
set_dai_flags(dai_drv, |
|
le32_to_cpu(d->flag_mask), |
|
le32_to_cpu(d->flags)); |
|
|
|
/* pass control to component driver for optional further init */ |
|
ret = soc_tplg_dai_load(tplg, dai_drv, NULL, dai); |
|
if (ret < 0) { |
|
dev_err(tplg->dev, "ASoC: DAI loading failed\n"); |
|
goto err; |
|
} |
|
|
|
return 0; |
|
|
|
err: |
|
return ret; |
|
} |
|
|
|
/* load physical DAI elements */ |
|
static int soc_tplg_dai_elems_load(struct soc_tplg *tplg, |
|
struct snd_soc_tplg_hdr *hdr) |
|
{ |
|
int count; |
|
int i; |
|
|
|
count = le32_to_cpu(hdr->count); |
|
|
|
/* config the existing BE DAIs */ |
|
for (i = 0; i < count; i++) { |
|
struct snd_soc_tplg_dai *dai = (struct snd_soc_tplg_dai *)tplg->pos; |
|
int ret; |
|
|
|
if (le32_to_cpu(dai->size) != sizeof(*dai)) { |
|
dev_err(tplg->dev, "ASoC: invalid physical DAI size\n"); |
|
return -EINVAL; |
|
} |
|
|
|
ret = soc_tplg_dai_config(tplg, dai); |
|
if (ret < 0) { |
|
dev_err(tplg->dev, "ASoC: failed to configure DAI\n"); |
|
return ret; |
|
} |
|
|
|
tplg->pos += (sizeof(*dai) + le32_to_cpu(dai->priv.size)); |
|
} |
|
|
|
dev_dbg(tplg->dev, "ASoC: Configure %d BE DAIs\n", count); |
|
return 0; |
|
} |
|
|
|
/** |
|
* manifest_new_ver - Create a new version of manifest from the old version |
|
* of source. |
|
* @tplg: topology context |
|
* @src: old version of manifest as a source |
|
* @manifest: latest version of manifest created from the source |
|
* |
|
* Support from version 4. Users need free the returned manifest manually. |
|
*/ |
|
static int manifest_new_ver(struct soc_tplg *tplg, |
|
struct snd_soc_tplg_manifest *src, |
|
struct snd_soc_tplg_manifest **manifest) |
|
{ |
|
struct snd_soc_tplg_manifest *dest; |
|
struct snd_soc_tplg_manifest_v4 *src_v4; |
|
int size; |
|
|
|
*manifest = NULL; |
|
|
|
size = le32_to_cpu(src->size); |
|
if (size != sizeof(*src_v4)) { |
|
dev_warn(tplg->dev, "ASoC: invalid manifest size %d\n", |
|
size); |
|
if (size) |
|
return -EINVAL; |
|
src->size = cpu_to_le32(sizeof(*src_v4)); |
|
} |
|
|
|
dev_warn(tplg->dev, "ASoC: old version of manifest\n"); |
|
|
|
src_v4 = (struct snd_soc_tplg_manifest_v4 *)src; |
|
dest = kzalloc(sizeof(*dest) + le32_to_cpu(src_v4->priv.size), |
|
GFP_KERNEL); |
|
if (!dest) |
|
return -ENOMEM; |
|
|
|
dest->size = cpu_to_le32(sizeof(*dest)); /* size of latest abi version */ |
|
dest->control_elems = src_v4->control_elems; |
|
dest->widget_elems = src_v4->widget_elems; |
|
dest->graph_elems = src_v4->graph_elems; |
|
dest->pcm_elems = src_v4->pcm_elems; |
|
dest->dai_link_elems = src_v4->dai_link_elems; |
|
dest->priv.size = src_v4->priv.size; |
|
if (dest->priv.size) |
|
memcpy(dest->priv.data, src_v4->priv.data, |
|
le32_to_cpu(src_v4->priv.size)); |
|
|
|
*manifest = dest; |
|
return 0; |
|
} |
|
|
|
static int soc_tplg_manifest_load(struct soc_tplg *tplg, |
|
struct snd_soc_tplg_hdr *hdr) |
|
{ |
|
struct snd_soc_tplg_manifest *manifest, *_manifest; |
|
bool abi_match; |
|
int ret = 0; |
|
|
|
manifest = (struct snd_soc_tplg_manifest *)tplg->pos; |
|
|
|
/* check ABI version by size, create a new manifest if abi not match */ |
|
if (le32_to_cpu(manifest->size) == sizeof(*manifest)) { |
|
abi_match = true; |
|
_manifest = manifest; |
|
} else { |
|
abi_match = false; |
|
|
|
ret = manifest_new_ver(tplg, manifest, &_manifest); |
|
if (ret < 0) |
|
return ret; |
|
} |
|
|
|
/* pass control to component driver for optional further init */ |
|
if (tplg->ops && tplg->ops->manifest) |
|
ret = tplg->ops->manifest(tplg->comp, tplg->index, _manifest); |
|
|
|
if (!abi_match) /* free the duplicated one */ |
|
kfree(_manifest); |
|
|
|
return ret; |
|
} |
|
|
|
/* validate header magic, size and type */ |
|
static int soc_valid_header(struct soc_tplg *tplg, |
|
struct snd_soc_tplg_hdr *hdr) |
|
{ |
|
if (soc_tplg_get_hdr_offset(tplg) >= tplg->fw->size) |
|
return 0; |
|
|
|
if (le32_to_cpu(hdr->size) != sizeof(*hdr)) { |
|
dev_err(tplg->dev, |
|
"ASoC: invalid header size for type %d at offset 0x%lx size 0x%zx.\n", |
|
le32_to_cpu(hdr->type), soc_tplg_get_hdr_offset(tplg), |
|
tplg->fw->size); |
|
return -EINVAL; |
|
} |
|
|
|
if (soc_tplg_get_hdr_offset(tplg) + hdr->payload_size >= tplg->fw->size) { |
|
dev_err(tplg->dev, |
|
"ASoC: invalid header of type %d at offset %ld payload_size %d\n", |
|
le32_to_cpu(hdr->type), soc_tplg_get_hdr_offset(tplg), |
|
hdr->payload_size); |
|
return -EINVAL; |
|
} |
|
|
|
/* big endian firmware objects not supported atm */ |
|
if (le32_to_cpu(hdr->magic) == SOC_TPLG_MAGIC_BIG_ENDIAN) { |
|
dev_err(tplg->dev, |
|
"ASoC: pass %d big endian not supported header got %x at offset 0x%lx size 0x%zx.\n", |
|
tplg->pass, hdr->magic, |
|
soc_tplg_get_hdr_offset(tplg), tplg->fw->size); |
|
return -EINVAL; |
|
} |
|
|
|
if (le32_to_cpu(hdr->magic) != SND_SOC_TPLG_MAGIC) { |
|
dev_err(tplg->dev, |
|
"ASoC: pass %d does not have a valid header got %x at offset 0x%lx size 0x%zx.\n", |
|
tplg->pass, hdr->magic, |
|
soc_tplg_get_hdr_offset(tplg), tplg->fw->size); |
|
return -EINVAL; |
|
} |
|
|
|
/* Support ABI from version 4 */ |
|
if (le32_to_cpu(hdr->abi) > SND_SOC_TPLG_ABI_VERSION || |
|
le32_to_cpu(hdr->abi) < SND_SOC_TPLG_ABI_VERSION_MIN) { |
|
dev_err(tplg->dev, |
|
"ASoC: pass %d invalid ABI version got 0x%x need 0x%x at offset 0x%lx size 0x%zx.\n", |
|
tplg->pass, hdr->abi, |
|
SND_SOC_TPLG_ABI_VERSION, soc_tplg_get_hdr_offset(tplg), |
|
tplg->fw->size); |
|
return -EINVAL; |
|
} |
|
|
|
if (hdr->payload_size == 0) { |
|
dev_err(tplg->dev, "ASoC: header has 0 size at offset 0x%lx.\n", |
|
soc_tplg_get_hdr_offset(tplg)); |
|
return -EINVAL; |
|
} |
|
|
|
return 1; |
|
} |
|
|
|
/* check header type and call appropriate handler */ |
|
static int soc_tplg_load_header(struct soc_tplg *tplg, |
|
struct snd_soc_tplg_hdr *hdr) |
|
{ |
|
int (*elem_load)(struct soc_tplg *tplg, |
|
struct snd_soc_tplg_hdr *hdr); |
|
unsigned int hdr_pass; |
|
|
|
tplg->pos = tplg->hdr_pos + sizeof(struct snd_soc_tplg_hdr); |
|
|
|
tplg->index = le32_to_cpu(hdr->index); |
|
|
|
switch (le32_to_cpu(hdr->type)) { |
|
case SND_SOC_TPLG_TYPE_MIXER: |
|
case SND_SOC_TPLG_TYPE_ENUM: |
|
case SND_SOC_TPLG_TYPE_BYTES: |
|
hdr_pass = SOC_TPLG_PASS_CONTROL; |
|
elem_load = soc_tplg_kcontrol_elems_load; |
|
break; |
|
case SND_SOC_TPLG_TYPE_DAPM_GRAPH: |
|
hdr_pass = SOC_TPLG_PASS_GRAPH; |
|
elem_load = soc_tplg_dapm_graph_elems_load; |
|
break; |
|
case SND_SOC_TPLG_TYPE_DAPM_WIDGET: |
|
hdr_pass = SOC_TPLG_PASS_WIDGET; |
|
elem_load = soc_tplg_dapm_widget_elems_load; |
|
break; |
|
case SND_SOC_TPLG_TYPE_PCM: |
|
hdr_pass = SOC_TPLG_PASS_PCM_DAI; |
|
elem_load = soc_tplg_pcm_elems_load; |
|
break; |
|
case SND_SOC_TPLG_TYPE_DAI: |
|
hdr_pass = SOC_TPLG_PASS_BE_DAI; |
|
elem_load = soc_tplg_dai_elems_load; |
|
break; |
|
case SND_SOC_TPLG_TYPE_DAI_LINK: |
|
case SND_SOC_TPLG_TYPE_BACKEND_LINK: |
|
/* physical link configurations */ |
|
hdr_pass = SOC_TPLG_PASS_LINK; |
|
elem_load = soc_tplg_link_elems_load; |
|
break; |
|
case SND_SOC_TPLG_TYPE_MANIFEST: |
|
hdr_pass = SOC_TPLG_PASS_MANIFEST; |
|
elem_load = soc_tplg_manifest_load; |
|
break; |
|
default: |
|
/* bespoke vendor data object */ |
|
hdr_pass = SOC_TPLG_PASS_VENDOR; |
|
elem_load = soc_tplg_vendor_load; |
|
break; |
|
} |
|
|
|
if (tplg->pass == hdr_pass) { |
|
dev_dbg(tplg->dev, |
|
"ASoC: Got 0x%x bytes of type %d version %d vendor %d at pass %d\n", |
|
hdr->payload_size, hdr->type, hdr->version, |
|
hdr->vendor_type, tplg->pass); |
|
return elem_load(tplg, hdr); |
|
} |
|
|
|
return 0; |
|
} |
|
|
|
/* process the topology file headers */ |
|
static int soc_tplg_process_headers(struct soc_tplg *tplg) |
|
{ |
|
int ret; |
|
|
|
/* process the header types from start to end */ |
|
for (tplg->pass = SOC_TPLG_PASS_START; tplg->pass <= SOC_TPLG_PASS_END; tplg->pass++) { |
|
struct snd_soc_tplg_hdr *hdr; |
|
|
|
tplg->hdr_pos = tplg->fw->data; |
|
hdr = (struct snd_soc_tplg_hdr *)tplg->hdr_pos; |
|
|
|
while (!soc_tplg_is_eof(tplg)) { |
|
|
|
/* make sure header is valid before loading */ |
|
ret = soc_valid_header(tplg, hdr); |
|
if (ret < 0) { |
|
dev_err(tplg->dev, |
|
"ASoC: topology: invalid header: %d\n", ret); |
|
return ret; |
|
} else if (ret == 0) { |
|
break; |
|
} |
|
|
|
/* load the header object */ |
|
ret = soc_tplg_load_header(tplg, hdr); |
|
if (ret < 0) { |
|
dev_err(tplg->dev, |
|
"ASoC: topology: could not load header: %d\n", ret); |
|
return ret; |
|
} |
|
|
|
/* goto next header */ |
|
tplg->hdr_pos += le32_to_cpu(hdr->payload_size) + |
|
sizeof(struct snd_soc_tplg_hdr); |
|
hdr = (struct snd_soc_tplg_hdr *)tplg->hdr_pos; |
|
} |
|
|
|
} |
|
|
|
/* signal DAPM we are complete */ |
|
ret = soc_tplg_dapm_complete(tplg); |
|
if (ret < 0) |
|
dev_err(tplg->dev, |
|
"ASoC: failed to initialise DAPM from Firmware\n"); |
|
|
|
return ret; |
|
} |
|
|
|
static int soc_tplg_load(struct soc_tplg *tplg) |
|
{ |
|
int ret; |
|
|
|
ret = soc_tplg_process_headers(tplg); |
|
if (ret == 0) |
|
return soc_tplg_complete(tplg); |
|
|
|
return ret; |
|
} |
|
|
|
/* load audio component topology from "firmware" file */ |
|
int snd_soc_tplg_component_load(struct snd_soc_component *comp, |
|
struct snd_soc_tplg_ops *ops, const struct firmware *fw) |
|
{ |
|
struct soc_tplg tplg; |
|
int ret; |
|
|
|
/* |
|
* check if we have sane parameters: |
|
* comp - needs to exist to keep and reference data while parsing |
|
* comp->card - used for setting card related parameters |
|
* comp->card->dev - used for resource management and prints |
|
* fw - we need it, as it is the very thing we parse |
|
*/ |
|
if (!comp || !comp->card || !comp->card->dev || !fw) |
|
return -EINVAL; |
|
|
|
/* setup parsing context */ |
|
memset(&tplg, 0, sizeof(tplg)); |
|
tplg.fw = fw; |
|
tplg.dev = comp->card->dev; |
|
tplg.comp = comp; |
|
if (ops) { |
|
tplg.ops = ops; |
|
tplg.io_ops = ops->io_ops; |
|
tplg.io_ops_count = ops->io_ops_count; |
|
tplg.bytes_ext_ops = ops->bytes_ext_ops; |
|
tplg.bytes_ext_ops_count = ops->bytes_ext_ops_count; |
|
} |
|
|
|
ret = soc_tplg_load(&tplg); |
|
/* free the created components if fail to load topology */ |
|
if (ret) |
|
snd_soc_tplg_component_remove(comp); |
|
|
|
return ret; |
|
} |
|
EXPORT_SYMBOL_GPL(snd_soc_tplg_component_load); |
|
|
|
/* remove dynamic controls from the component driver */ |
|
int snd_soc_tplg_component_remove(struct snd_soc_component *comp) |
|
{ |
|
struct snd_card *card = comp->card->snd_card; |
|
struct snd_soc_dobj *dobj, *next_dobj; |
|
int pass; |
|
|
|
/* process the header types from end to start */ |
|
for (pass = SOC_TPLG_PASS_END; pass >= SOC_TPLG_PASS_START; pass--) { |
|
|
|
/* remove mixer controls */ |
|
down_write(&card->controls_rwsem); |
|
list_for_each_entry_safe(dobj, next_dobj, &comp->dobj_list, |
|
list) { |
|
|
|
switch (dobj->type) { |
|
case SND_SOC_DOBJ_MIXER: |
|
remove_mixer(comp, dobj, pass); |
|
break; |
|
case SND_SOC_DOBJ_ENUM: |
|
remove_enum(comp, dobj, pass); |
|
break; |
|
case SND_SOC_DOBJ_BYTES: |
|
remove_bytes(comp, dobj, pass); |
|
break; |
|
case SND_SOC_DOBJ_GRAPH: |
|
remove_route(comp, dobj, pass); |
|
break; |
|
case SND_SOC_DOBJ_WIDGET: |
|
remove_widget(comp, dobj, pass); |
|
break; |
|
case SND_SOC_DOBJ_PCM: |
|
remove_dai(comp, dobj, pass); |
|
break; |
|
case SND_SOC_DOBJ_DAI_LINK: |
|
remove_link(comp, dobj, pass); |
|
break; |
|
case SND_SOC_DOBJ_BACKEND_LINK: |
|
/* |
|
* call link_unload ops if extra |
|
* deinitialization is needed. |
|
*/ |
|
remove_backend_link(comp, dobj, pass); |
|
break; |
|
default: |
|
dev_err(comp->dev, "ASoC: invalid component type %d for removal\n", |
|
dobj->type); |
|
break; |
|
} |
|
} |
|
up_write(&card->controls_rwsem); |
|
} |
|
|
|
/* let caller know if FW can be freed when no objects are left */ |
|
return !list_empty(&comp->dobj_list); |
|
} |
|
EXPORT_SYMBOL_GPL(snd_soc_tplg_component_remove);
|
|
|