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![Takashi Iwai](/assets/img/avatar_default.png)
The compiler must be clever enough to optimize out for the no-op when CONFIG_SND_CTL_VALIDATION is disabled. Let's drop the superfluous check. Link: https://lore.kernel.org/r/20220609120219.3937-2-tiwai@suse.de Signed-off-by: Takashi Iwai <tiwai@suse.de>
2669 lines
71 KiB
C
2669 lines
71 KiB
C
// 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 <liam.r.girdwood@linux.intel.com>
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// K, Mythri P <mythri.p.k@intel.com>
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// Prusty, Subhransu S <subhransu.s.prusty@intel.com>
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// B, Jayachandran <jayachandran.b@intel.com>
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// Abdullah, Omair M <omair.m.abdullah@intel.com>
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// Jin, Yao <yao.jin@intel.com>
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// Lin, Mengdong <mengdong.lin@intel.com>
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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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#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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#define SOC_TPLG_MAGIC_BIG_ENDIAN 0x436F5341 /* ASoC in reverse */
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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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#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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/* topology context */
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struct soc_tplg {
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const struct firmware *fw;
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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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/* 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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/* 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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/* 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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/* 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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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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/* 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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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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/* 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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return 0;
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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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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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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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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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/* 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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/* 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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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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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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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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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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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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/* 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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return 0;
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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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return 0;
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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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return 0;
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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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return 0;
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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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return 0;
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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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*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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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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return 0;
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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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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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/* 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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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 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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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,
|
|
struct snd_soc_dobj *dobj, int pass)
|
|
{
|
|
struct snd_card *card = comp->card->snd_card;
|
|
struct snd_soc_dapm_widget *w =
|
|
container_of(dobj, struct snd_soc_dapm_widget, dobj);
|
|
int i;
|
|
|
|
if (pass != SOC_TPLG_PASS_WIDGET)
|
|
return;
|
|
|
|
if (dobj->ops && dobj->ops->widget_unload)
|
|
dobj->ops->widget_unload(comp, dobj);
|
|
|
|
if (!w->kcontrols)
|
|
goto free_news;
|
|
|
|
for (i = 0; w->kcontrols && i < w->num_kcontrols; i++)
|
|
snd_ctl_remove(card, w->kcontrols[i]);
|
|
|
|
free_news:
|
|
|
|
list_del(&dobj->list);
|
|
|
|
/* widget w is freed by soc-dapm.c */
|
|
}
|
|
|
|
/* remove DAI configurations */
|
|
static void remove_dai(struct snd_soc_component *comp,
|
|
struct snd_soc_dobj *dobj, int pass)
|
|
{
|
|
struct snd_soc_dai_driver *dai_drv =
|
|
container_of(dobj, struct snd_soc_dai_driver, dobj);
|
|
struct snd_soc_dai *dai, *_dai;
|
|
|
|
if (pass != SOC_TPLG_PASS_PCM_DAI)
|
|
return;
|
|
|
|
if (dobj->ops && dobj->ops->dai_unload)
|
|
dobj->ops->dai_unload(comp, dobj);
|
|
|
|
for_each_component_dais_safe(comp, dai, _dai)
|
|
if (dai->driver == dai_drv)
|
|
snd_soc_unregister_dai(dai);
|
|
|
|
list_del(&dobj->list);
|
|
}
|
|
|
|
/* remove link configurations */
|
|
static void remove_link(struct snd_soc_component *comp,
|
|
struct snd_soc_dobj *dobj, int pass)
|
|
{
|
|
struct snd_soc_dai_link *link =
|
|
container_of(dobj, struct snd_soc_dai_link, dobj);
|
|
|
|
if (pass != SOC_TPLG_PASS_PCM_DAI)
|
|
return;
|
|
|
|
if (dobj->ops && dobj->ops->link_unload)
|
|
dobj->ops->link_unload(comp, dobj);
|
|
|
|
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);
|