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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 18:49:45 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 18:49:45 +0000 |
commit | 2c3c1048746a4622d8c89a29670120dc8fab93c4 (patch) | |
tree | 848558de17fb3008cdf4d861b01ac7781903ce39 /sound/soc/generic/test-component.c | |
parent | Initial commit. (diff) | |
download | linux-2c3c1048746a4622d8c89a29670120dc8fab93c4.tar.xz linux-2c3c1048746a4622d8c89a29670120dc8fab93c4.zip |
Adding upstream version 6.1.76.upstream/6.1.76
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'sound/soc/generic/test-component.c')
-rw-r--r-- | sound/soc/generic/test-component.c | 658 |
1 files changed, 658 insertions, 0 deletions
diff --git a/sound/soc/generic/test-component.c b/sound/soc/generic/test-component.c new file mode 100644 index 000000000..98c899059 --- /dev/null +++ b/sound/soc/generic/test-component.c @@ -0,0 +1,658 @@ +// SPDX-License-Identifier: GPL-2.0 +// +// test-component.c -- Test Audio Component driver +// +// Copyright (C) 2020 Renesas Electronics Corporation +// Kuninori Morimoto <kuninori.morimoto.gx@renesas.com> + +#include <linux/slab.h> +#include <linux/of_device.h> +#include <linux/of_graph.h> +#include <linux/module.h> +#include <linux/workqueue.h> +#include <sound/pcm.h> +#include <sound/soc.h> + +#define TEST_NAME_LEN 32 +struct test_dai_name { + char name[TEST_NAME_LEN]; + char name_playback[TEST_NAME_LEN]; + char name_capture[TEST_NAME_LEN]; +}; + +struct test_priv { + struct device *dev; + struct snd_pcm_substream *substream; + struct delayed_work dwork; + struct snd_soc_component_driver *component_driver; + struct snd_soc_dai_driver *dai_driver; + struct test_dai_name *name; +}; + +struct test_adata { + u32 is_cpu:1; + u32 cmp_v:1; + u32 dai_v:1; +}; + +#define mile_stone(d) dev_info((d)->dev, "%s() : %s", __func__, (d)->driver->name) +#define mile_stone_x(dev) dev_info(dev, "%s()", __func__) + +static int test_dai_set_sysclk(struct snd_soc_dai *dai, + int clk_id, unsigned int freq, int dir) +{ + mile_stone(dai); + + return 0; +} + +static int test_dai_set_pll(struct snd_soc_dai *dai, int pll_id, int source, + unsigned int freq_in, unsigned int freq_out) +{ + mile_stone(dai); + + return 0; +} + +static int test_dai_set_clkdiv(struct snd_soc_dai *dai, int div_id, int div) +{ + mile_stone(dai); + + return 0; +} + +static int test_dai_set_fmt(struct snd_soc_dai *dai, unsigned int fmt) +{ + unsigned int format = fmt & SND_SOC_DAIFMT_FORMAT_MASK; + unsigned int clock = fmt & SND_SOC_DAIFMT_CLOCK_MASK; + unsigned int inv = fmt & SND_SOC_DAIFMT_INV_MASK; + unsigned int master = fmt & SND_SOC_DAIFMT_CLOCK_PROVIDER_MASK; + char *str; + + dev_info(dai->dev, "name : %s", dai->name); + + str = "unknown"; + switch (format) { + case SND_SOC_DAIFMT_I2S: + str = "i2s"; + break; + case SND_SOC_DAIFMT_RIGHT_J: + str = "right_j"; + break; + case SND_SOC_DAIFMT_LEFT_J: + str = "left_j"; + break; + case SND_SOC_DAIFMT_DSP_A: + str = "dsp_a"; + break; + case SND_SOC_DAIFMT_DSP_B: + str = "dsp_b"; + break; + case SND_SOC_DAIFMT_AC97: + str = "ac97"; + break; + case SND_SOC_DAIFMT_PDM: + str = "pdm"; + break; + } + dev_info(dai->dev, "format : %s", str); + + if (clock == SND_SOC_DAIFMT_CONT) + str = "continuous"; + else + str = "gated"; + dev_info(dai->dev, "clock : %s", str); + + str = "unknown"; + switch (master) { + case SND_SOC_DAIFMT_BP_FP: + str = "clk provider, frame provider"; + break; + case SND_SOC_DAIFMT_BC_FP: + str = "clk consumer, frame provider"; + break; + case SND_SOC_DAIFMT_BP_FC: + str = "clk provider, frame consumer"; + break; + case SND_SOC_DAIFMT_BC_FC: + str = "clk consumer, frame consumer"; + break; + } + dev_info(dai->dev, "clock : codec is %s", str); + + str = "unknown"; + switch (inv) { + case SND_SOC_DAIFMT_NB_NF: + str = "normal bit, normal frame"; + break; + case SND_SOC_DAIFMT_NB_IF: + str = "normal bit, invert frame"; + break; + case SND_SOC_DAIFMT_IB_NF: + str = "invert bit, normal frame"; + break; + case SND_SOC_DAIFMT_IB_IF: + str = "invert bit, invert frame"; + break; + } + dev_info(dai->dev, "signal : %s", str); + + return 0; +} + +static int test_dai_mute_stream(struct snd_soc_dai *dai, int mute, int stream) +{ + mile_stone(dai); + + return 0; +} + +static int test_dai_startup(struct snd_pcm_substream *substream, struct snd_soc_dai *dai) +{ + mile_stone(dai); + + return 0; +} + +static void test_dai_shutdown(struct snd_pcm_substream *substream, struct snd_soc_dai *dai) +{ + mile_stone(dai); +} + +static int test_dai_hw_params(struct snd_pcm_substream *substream, + struct snd_pcm_hw_params *params, struct snd_soc_dai *dai) +{ + mile_stone(dai); + + return 0; +} + +static int test_dai_hw_free(struct snd_pcm_substream *substream, struct snd_soc_dai *dai) +{ + mile_stone(dai); + + return 0; +} + +static int test_dai_trigger(struct snd_pcm_substream *substream, int cmd, struct snd_soc_dai *dai) +{ + mile_stone(dai); + + return 0; +} + +static int test_dai_bespoke_trigger(struct snd_pcm_substream *substream, + int cmd, struct snd_soc_dai *dai) +{ + mile_stone(dai); + + return 0; +} + +static u64 test_dai_formats = + /* + * Select below from Sound Card, not auto + * SND_SOC_POSSIBLE_DAIFMT_BP_FP + * SND_SOC_POSSIBLE_DAIFMT_BC_FP + * SND_SOC_POSSIBLE_DAIFMT_BP_FC + * SND_SOC_POSSIBLE_DAIFMT_BC_FC + */ + SND_SOC_POSSIBLE_DAIFMT_I2S | + SND_SOC_POSSIBLE_DAIFMT_RIGHT_J | + SND_SOC_POSSIBLE_DAIFMT_LEFT_J | + SND_SOC_POSSIBLE_DAIFMT_DSP_A | + SND_SOC_POSSIBLE_DAIFMT_DSP_B | + SND_SOC_POSSIBLE_DAIFMT_AC97 | + SND_SOC_POSSIBLE_DAIFMT_PDM | + SND_SOC_POSSIBLE_DAIFMT_NB_NF | + SND_SOC_POSSIBLE_DAIFMT_NB_IF | + SND_SOC_POSSIBLE_DAIFMT_IB_NF | + SND_SOC_POSSIBLE_DAIFMT_IB_IF; + +static const struct snd_soc_dai_ops test_ops = { + .set_fmt = test_dai_set_fmt, + .startup = test_dai_startup, + .shutdown = test_dai_shutdown, + .auto_selectable_formats = &test_dai_formats, + .num_auto_selectable_formats = 1, +}; + +static const struct snd_soc_dai_ops test_verbose_ops = { + .set_sysclk = test_dai_set_sysclk, + .set_pll = test_dai_set_pll, + .set_clkdiv = test_dai_set_clkdiv, + .set_fmt = test_dai_set_fmt, + .mute_stream = test_dai_mute_stream, + .startup = test_dai_startup, + .shutdown = test_dai_shutdown, + .hw_params = test_dai_hw_params, + .hw_free = test_dai_hw_free, + .trigger = test_dai_trigger, + .bespoke_trigger = test_dai_bespoke_trigger, + .auto_selectable_formats = &test_dai_formats, + .num_auto_selectable_formats = 1, +}; + +#define STUB_RATES SNDRV_PCM_RATE_8000_384000 +#define STUB_FORMATS (SNDRV_PCM_FMTBIT_S8 | \ + SNDRV_PCM_FMTBIT_U8 | \ + SNDRV_PCM_FMTBIT_S16_LE | \ + SNDRV_PCM_FMTBIT_U16_LE | \ + SNDRV_PCM_FMTBIT_S24_LE | \ + SNDRV_PCM_FMTBIT_S24_3LE | \ + SNDRV_PCM_FMTBIT_U24_LE | \ + SNDRV_PCM_FMTBIT_S32_LE | \ + SNDRV_PCM_FMTBIT_U32_LE) + +static int test_component_probe(struct snd_soc_component *component) +{ + mile_stone(component); + + return 0; +} + +static void test_component_remove(struct snd_soc_component *component) +{ + mile_stone(component); +} + +static int test_component_suspend(struct snd_soc_component *component) +{ + mile_stone(component); + + return 0; +} + +static int test_component_resume(struct snd_soc_component *component) +{ + mile_stone(component); + + return 0; +} + +#define PREALLOC_BUFFER (32 * 1024) +static int test_component_pcm_construct(struct snd_soc_component *component, + struct snd_soc_pcm_runtime *rtd) +{ + mile_stone(component); + + snd_pcm_set_managed_buffer_all( + rtd->pcm, + SNDRV_DMA_TYPE_DEV, + rtd->card->snd_card->dev, + PREALLOC_BUFFER, PREALLOC_BUFFER); + + return 0; +} + +static void test_component_pcm_destruct(struct snd_soc_component *component, + struct snd_pcm *pcm) +{ + mile_stone(component); +} + +static int test_component_set_sysclk(struct snd_soc_component *component, + int clk_id, int source, unsigned int freq, int dir) +{ + mile_stone(component); + + return 0; +} + +static int test_component_set_pll(struct snd_soc_component *component, int pll_id, + int source, unsigned int freq_in, unsigned int freq_out) +{ + mile_stone(component); + + return 0; +} + +static int test_component_set_jack(struct snd_soc_component *component, + struct snd_soc_jack *jack, void *data) +{ + mile_stone(component); + + return 0; +} + +static void test_component_seq_notifier(struct snd_soc_component *component, + enum snd_soc_dapm_type type, int subseq) +{ + mile_stone(component); +} + +static int test_component_stream_event(struct snd_soc_component *component, int event) +{ + mile_stone(component); + + return 0; +} + +static int test_component_set_bias_level(struct snd_soc_component *component, + enum snd_soc_bias_level level) +{ + mile_stone(component); + + return 0; +} + +static const struct snd_pcm_hardware test_component_hardware = { + /* Random values to keep userspace happy when checking constraints */ + .info = SNDRV_PCM_INFO_INTERLEAVED | + SNDRV_PCM_INFO_MMAP | + SNDRV_PCM_INFO_MMAP_VALID, + .buffer_bytes_max = 32 * 1024, + .period_bytes_min = 32, + .period_bytes_max = 8192, + .periods_min = 1, + .periods_max = 128, + .fifo_size = 256, +}; + +static int test_component_open(struct snd_soc_component *component, + struct snd_pcm_substream *substream) +{ + struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream); + + mile_stone(component); + + /* BE's dont need dummy params */ + if (!rtd->dai_link->no_pcm) + snd_soc_set_runtime_hwparams(substream, &test_component_hardware); + + return 0; +} + +static int test_component_close(struct snd_soc_component *component, + struct snd_pcm_substream *substream) +{ + mile_stone(component); + + return 0; +} + +static int test_component_ioctl(struct snd_soc_component *component, + struct snd_pcm_substream *substream, + unsigned int cmd, void *arg) +{ + mile_stone(component); + + return 0; +} + +static int test_component_hw_params(struct snd_soc_component *component, + struct snd_pcm_substream *substream, + struct snd_pcm_hw_params *params) +{ + mile_stone(component); + + return 0; +} + +static int test_component_hw_free(struct snd_soc_component *component, + struct snd_pcm_substream *substream) +{ + mile_stone(component); + + return 0; +} + +static int test_component_prepare(struct snd_soc_component *component, + struct snd_pcm_substream *substream) +{ + mile_stone(component); + + return 0; +} + +static void test_component_timer_stop(struct test_priv *priv) +{ + cancel_delayed_work(&priv->dwork); +} + +static void test_component_timer_start(struct test_priv *priv) +{ + schedule_delayed_work(&priv->dwork, msecs_to_jiffies(10)); +} + +static void test_component_dwork(struct work_struct *work) +{ + struct test_priv *priv = container_of(work, struct test_priv, dwork.work); + + if (priv->substream) + snd_pcm_period_elapsed(priv->substream); + + test_component_timer_start(priv); +} + +static int test_component_trigger(struct snd_soc_component *component, + struct snd_pcm_substream *substream, int cmd) +{ + struct test_priv *priv = dev_get_drvdata(component->dev); + + mile_stone(component); + + switch (cmd) { + case SNDRV_PCM_TRIGGER_START: + test_component_timer_start(priv); + priv->substream = substream; /* set substream later */ + break; + case SNDRV_PCM_TRIGGER_STOP: + priv->substream = NULL; + test_component_timer_stop(priv); + } + + return 0; +} + +static int test_component_sync_stop(struct snd_soc_component *component, + struct snd_pcm_substream *substream) +{ + mile_stone(component); + + return 0; +} + +static snd_pcm_uframes_t test_component_pointer(struct snd_soc_component *component, + struct snd_pcm_substream *substream) +{ + struct snd_pcm_runtime *runtime = substream->runtime; + static int pointer; + + if (!runtime) + return 0; + + pointer += 10; + if (pointer > PREALLOC_BUFFER) + pointer = 0; + + /* mile_stone(component); */ + + return bytes_to_frames(runtime, pointer); +} + +static int test_component_get_time_info(struct snd_soc_component *component, + struct snd_pcm_substream *substream, + struct timespec64 *system_ts, + struct timespec64 *audio_ts, + struct snd_pcm_audio_tstamp_config *audio_tstamp_config, + struct snd_pcm_audio_tstamp_report *audio_tstamp_report) +{ + mile_stone(component); + + return 0; +} + +static int test_component_be_hw_params_fixup(struct snd_soc_pcm_runtime *rtd, + struct snd_pcm_hw_params *params) +{ + mile_stone_x(rtd->dev); + + return 0; +} + +/* CPU */ +static const struct test_adata test_cpu = { .is_cpu = 1, .cmp_v = 0, .dai_v = 0, }; +static const struct test_adata test_cpu_vv = { .is_cpu = 1, .cmp_v = 1, .dai_v = 1, }; +static const struct test_adata test_cpu_nv = { .is_cpu = 1, .cmp_v = 0, .dai_v = 1, }; +static const struct test_adata test_cpu_vn = { .is_cpu = 1, .cmp_v = 1, .dai_v = 0, }; +/* Codec */ +static const struct test_adata test_codec = { .is_cpu = 0, .cmp_v = 0, .dai_v = 0, }; +static const struct test_adata test_codec_vv = { .is_cpu = 0, .cmp_v = 1, .dai_v = 1, }; +static const struct test_adata test_codec_nv = { .is_cpu = 0, .cmp_v = 0, .dai_v = 1, }; +static const struct test_adata test_codec_vn = { .is_cpu = 0, .cmp_v = 1, .dai_v = 0, }; + +static const struct of_device_id test_of_match[] = { + { .compatible = "test-cpu", .data = (void *)&test_cpu, }, + { .compatible = "test-cpu-verbose", .data = (void *)&test_cpu_vv, }, + { .compatible = "test-cpu-verbose-dai", .data = (void *)&test_cpu_nv, }, + { .compatible = "test-cpu-verbose-component", .data = (void *)&test_cpu_vn, }, + { .compatible = "test-codec", .data = (void *)&test_codec, }, + { .compatible = "test-codec-verbose", .data = (void *)&test_codec_vv, }, + { .compatible = "test-codec-verbose-dai", .data = (void *)&test_codec_nv, }, + { .compatible = "test-codec-verbose-component", .data = (void *)&test_codec_vn, }, + {}, +}; +MODULE_DEVICE_TABLE(of, test_of_match); + +static const struct snd_soc_dapm_widget widgets[] = { + /* + * FIXME + * + * Just IN/OUT is OK for now, + * but need to be updated ? + */ + SND_SOC_DAPM_INPUT("IN"), + SND_SOC_DAPM_OUTPUT("OUT"), +}; + +static int test_driver_probe(struct platform_device *pdev) +{ + struct device *dev = &pdev->dev; + struct device_node *node = dev->of_node; + struct device_node *ep; + const struct test_adata *adata = of_device_get_match_data(&pdev->dev); + struct snd_soc_component_driver *cdriv; + struct snd_soc_dai_driver *ddriv; + struct test_dai_name *dname; + struct test_priv *priv; + int num, ret, i; + + num = of_graph_get_endpoint_count(node); + if (!num) { + dev_err(dev, "no port exits\n"); + return -EINVAL; + } + + priv = devm_kzalloc(dev, sizeof(*priv), GFP_KERNEL); + cdriv = devm_kzalloc(dev, sizeof(*cdriv), GFP_KERNEL); + ddriv = devm_kzalloc(dev, sizeof(*ddriv) * num, GFP_KERNEL); + dname = devm_kzalloc(dev, sizeof(*dname) * num, GFP_KERNEL); + if (!priv || !cdriv || !ddriv || !dname || !adata) + return -EINVAL; + + priv->dev = dev; + priv->component_driver = cdriv; + priv->dai_driver = ddriv; + priv->name = dname; + + INIT_DELAYED_WORK(&priv->dwork, test_component_dwork); + dev_set_drvdata(dev, priv); + + if (adata->is_cpu) { + cdriv->name = "test_cpu"; + cdriv->pcm_construct = test_component_pcm_construct; + cdriv->pointer = test_component_pointer; + cdriv->trigger = test_component_trigger; + cdriv->legacy_dai_naming = 1; + } else { + cdriv->name = "test_codec"; + cdriv->idle_bias_on = 1; + cdriv->endianness = 1; + } + + cdriv->open = test_component_open; + cdriv->dapm_widgets = widgets; + cdriv->num_dapm_widgets = ARRAY_SIZE(widgets); + + if (adata->cmp_v) { + cdriv->probe = test_component_probe; + cdriv->remove = test_component_remove; + cdriv->suspend = test_component_suspend; + cdriv->resume = test_component_resume; + cdriv->set_sysclk = test_component_set_sysclk; + cdriv->set_pll = test_component_set_pll; + cdriv->set_jack = test_component_set_jack; + cdriv->seq_notifier = test_component_seq_notifier; + cdriv->stream_event = test_component_stream_event; + cdriv->set_bias_level = test_component_set_bias_level; + cdriv->close = test_component_close; + cdriv->ioctl = test_component_ioctl; + cdriv->hw_params = test_component_hw_params; + cdriv->hw_free = test_component_hw_free; + cdriv->prepare = test_component_prepare; + cdriv->sync_stop = test_component_sync_stop; + cdriv->get_time_info = test_component_get_time_info; + cdriv->be_hw_params_fixup = test_component_be_hw_params_fixup; + + if (adata->is_cpu) + cdriv->pcm_destruct = test_component_pcm_destruct; + } + + i = 0; + for_each_endpoint_of_node(node, ep) { + snprintf(dname[i].name, TEST_NAME_LEN, "%s.%d", node->name, i); + ddriv[i].name = dname[i].name; + + snprintf(dname[i].name_playback, TEST_NAME_LEN, "DAI%d Playback", i); + ddriv[i].playback.stream_name = dname[i].name_playback; + ddriv[i].playback.channels_min = 1; + ddriv[i].playback.channels_max = 384; + ddriv[i].playback.rates = STUB_RATES; + ddriv[i].playback.formats = STUB_FORMATS; + + snprintf(dname[i].name_capture, TEST_NAME_LEN, "DAI%d Capture", i); + ddriv[i].capture.stream_name = dname[i].name_capture; + ddriv[i].capture.channels_min = 1; + ddriv[i].capture.channels_max = 384; + ddriv[i].capture.rates = STUB_RATES; + ddriv[i].capture.formats = STUB_FORMATS; + + if (adata->dai_v) + ddriv[i].ops = &test_verbose_ops; + else + ddriv[i].ops = &test_ops; + + i++; + } + + ret = devm_snd_soc_register_component(dev, cdriv, ddriv, num); + if (ret < 0) + return ret; + + mile_stone_x(dev); + + return 0; +} + +static int test_driver_remove(struct platform_device *pdev) +{ + mile_stone_x(&pdev->dev); + + return 0; +} + +static struct platform_driver test_driver = { + .driver = { + .name = "test-component", + .of_match_table = test_of_match, + }, + .probe = test_driver_probe, + .remove = test_driver_remove, +}; +module_platform_driver(test_driver); + +MODULE_ALIAS("platform:asoc-test-component"); +MODULE_AUTHOR("Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>"); +MODULE_DESCRIPTION("ASoC Test Component"); +MODULE_LICENSE("GPL v2"); |