233 lines
9.6 KiB
C
233 lines
9.6 KiB
C
// SPDX-License-Identifier: GPL-2.0-only
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// Copyright (C) 2022 Cirrus Logic, Inc. and
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// Cirrus Logic International Semiconductor Ltd.
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#include <kunit/test.h>
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#include <linux/module.h>
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#include <sound/pcm.h>
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#include <sound/pcm_params.h>
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#include <sound/soc.h>
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#include <uapi/sound/asound.h>
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static const struct {
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u32 rate;
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snd_pcm_format_t fmt;
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u8 channels;
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u8 tdm_width;
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u8 tdm_slots;
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u8 slot_multiple;
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u32 bclk;
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} tdm_params_to_bclk_cases[] = {
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/* rate fmt channels tdm_width tdm_slots slot_multiple bclk */
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/* From params only */
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{ 8000, SNDRV_PCM_FORMAT_S16_LE, 1, 0, 0, 0, 128000 },
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{ 8000, SNDRV_PCM_FORMAT_S16_LE, 2, 0, 0, 0, 256000 },
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{ 8000, SNDRV_PCM_FORMAT_S24_LE, 1, 0, 0, 0, 192000 },
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{ 8000, SNDRV_PCM_FORMAT_S24_LE, 2, 0, 0, 0, 384000 },
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{ 8000, SNDRV_PCM_FORMAT_S32_LE, 1, 0, 0, 0, 256000 },
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{ 8000, SNDRV_PCM_FORMAT_S32_LE, 2, 0, 0, 0, 512000 },
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{ 44100, SNDRV_PCM_FORMAT_S16_LE, 1, 0, 0, 0, 705600 },
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{ 44100, SNDRV_PCM_FORMAT_S16_LE, 2, 0, 0, 0, 1411200 },
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{ 44100, SNDRV_PCM_FORMAT_S24_LE, 1, 0, 0, 0, 1058400 },
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{ 44100, SNDRV_PCM_FORMAT_S24_LE, 2, 0, 0, 0, 2116800 },
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{ 44100, SNDRV_PCM_FORMAT_S32_LE, 1, 0, 0, 0, 1411200 },
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{ 44100, SNDRV_PCM_FORMAT_S32_LE, 2, 0, 0, 0, 2822400 },
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{ 384000, SNDRV_PCM_FORMAT_S16_LE, 1, 0, 0, 0, 6144000 },
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{ 384000, SNDRV_PCM_FORMAT_S16_LE, 2, 0, 0, 0, 12288000 },
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{ 384000, SNDRV_PCM_FORMAT_S24_LE, 1, 0, 0, 0, 9216000 },
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{ 384000, SNDRV_PCM_FORMAT_S24_LE, 2, 0, 0, 0, 18432000 },
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{ 384000, SNDRV_PCM_FORMAT_S32_LE, 1, 0, 0, 0, 12288000 },
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{ 384000, SNDRV_PCM_FORMAT_S32_LE, 2, 0, 0, 0, 24576000 },
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/* I2S from params */
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{ 8000, SNDRV_PCM_FORMAT_S16_LE, 1, 0, 0, 2, 256000 },
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{ 8000, SNDRV_PCM_FORMAT_S16_LE, 2, 0, 0, 2, 256000 },
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{ 8000, SNDRV_PCM_FORMAT_S24_LE, 1, 0, 0, 2, 384000 },
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{ 8000, SNDRV_PCM_FORMAT_S24_LE, 2, 0, 0, 2, 384000 },
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{ 8000, SNDRV_PCM_FORMAT_S32_LE, 1, 0, 0, 2, 512000 },
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{ 8000, SNDRV_PCM_FORMAT_S32_LE, 2, 0, 0, 2, 512000 },
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{ 44100, SNDRV_PCM_FORMAT_S16_LE, 1, 0, 0, 2, 1411200 },
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{ 44100, SNDRV_PCM_FORMAT_S16_LE, 2, 0, 0, 2, 1411200 },
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{ 44100, SNDRV_PCM_FORMAT_S24_LE, 1, 0, 0, 2, 2116800 },
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{ 44100, SNDRV_PCM_FORMAT_S24_LE, 2, 0, 0, 2, 2116800 },
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{ 44100, SNDRV_PCM_FORMAT_S32_LE, 1, 0, 0, 2, 2822400 },
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{ 44100, SNDRV_PCM_FORMAT_S32_LE, 2, 0, 0, 2, 2822400 },
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{ 384000, SNDRV_PCM_FORMAT_S16_LE, 1, 0, 0, 2, 12288000 },
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{ 384000, SNDRV_PCM_FORMAT_S16_LE, 2, 0, 0, 2, 12288000 },
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{ 384000, SNDRV_PCM_FORMAT_S24_LE, 1, 0, 0, 2, 18432000 },
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{ 384000, SNDRV_PCM_FORMAT_S24_LE, 2, 0, 0, 2, 18432000 },
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{ 384000, SNDRV_PCM_FORMAT_S32_LE, 1, 0, 0, 2, 24576000 },
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{ 384000, SNDRV_PCM_FORMAT_S32_LE, 2, 0, 0, 2, 24576000 },
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/* Fixed 8-slot TDM, other values from params */
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{ 8000, SNDRV_PCM_FORMAT_S16_LE, 1, 0, 8, 0, 1024000 },
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{ 8000, SNDRV_PCM_FORMAT_S16_LE, 2, 0, 8, 0, 1024000 },
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{ 8000, SNDRV_PCM_FORMAT_S16_LE, 3, 0, 8, 0, 1024000 },
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{ 8000, SNDRV_PCM_FORMAT_S16_LE, 4, 0, 8, 0, 1024000 },
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{ 8000, SNDRV_PCM_FORMAT_S32_LE, 1, 0, 8, 0, 2048000 },
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{ 8000, SNDRV_PCM_FORMAT_S32_LE, 2, 0, 8, 0, 2048000 },
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{ 8000, SNDRV_PCM_FORMAT_S32_LE, 3, 0, 8, 0, 2048000 },
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{ 8000, SNDRV_PCM_FORMAT_S32_LE, 4, 0, 8, 0, 2048000 },
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{ 384000, SNDRV_PCM_FORMAT_S16_LE, 1, 0, 8, 0, 49152000 },
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{ 384000, SNDRV_PCM_FORMAT_S16_LE, 2, 0, 8, 0, 49152000 },
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{ 384000, SNDRV_PCM_FORMAT_S16_LE, 3, 0, 8, 0, 49152000 },
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{ 384000, SNDRV_PCM_FORMAT_S16_LE, 4, 0, 8, 0, 49152000 },
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{ 384000, SNDRV_PCM_FORMAT_S32_LE, 1, 0, 8, 0, 98304000 },
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{ 384000, SNDRV_PCM_FORMAT_S32_LE, 2, 0, 8, 0, 98304000 },
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{ 384000, SNDRV_PCM_FORMAT_S32_LE, 3, 0, 8, 0, 98304000 },
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{ 384000, SNDRV_PCM_FORMAT_S32_LE, 4, 0, 8, 0, 98304000 },
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/* Fixed 32-bit TDM, other values from params */
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{ 8000, SNDRV_PCM_FORMAT_S16_LE, 1, 32, 0, 0, 256000 },
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{ 8000, SNDRV_PCM_FORMAT_S16_LE, 2, 32, 0, 0, 512000 },
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{ 8000, SNDRV_PCM_FORMAT_S16_LE, 3, 32, 0, 0, 768000 },
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{ 8000, SNDRV_PCM_FORMAT_S16_LE, 4, 32, 0, 0, 1024000 },
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{ 8000, SNDRV_PCM_FORMAT_S32_LE, 1, 32, 0, 0, 256000 },
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{ 8000, SNDRV_PCM_FORMAT_S32_LE, 2, 32, 0, 0, 512000 },
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{ 8000, SNDRV_PCM_FORMAT_S32_LE, 3, 32, 0, 0, 768000 },
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{ 8000, SNDRV_PCM_FORMAT_S32_LE, 4, 32, 0, 0, 1024000 },
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{ 384000, SNDRV_PCM_FORMAT_S16_LE, 1, 32, 0, 0, 12288000 },
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{ 384000, SNDRV_PCM_FORMAT_S16_LE, 2, 32, 0, 0, 24576000 },
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{ 384000, SNDRV_PCM_FORMAT_S16_LE, 3, 32, 0, 0, 36864000 },
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{ 384000, SNDRV_PCM_FORMAT_S16_LE, 4, 32, 0, 0, 49152000 },
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{ 384000, SNDRV_PCM_FORMAT_S32_LE, 1, 32, 0, 0, 12288000 },
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{ 384000, SNDRV_PCM_FORMAT_S32_LE, 2, 32, 0, 0, 24576000 },
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{ 384000, SNDRV_PCM_FORMAT_S32_LE, 3, 32, 0, 0, 36864000 },
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{ 384000, SNDRV_PCM_FORMAT_S32_LE, 4, 32, 0, 0, 49152000 },
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/* Fixed 6-slot 24-bit TDM, other values from params */
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{ 8000, SNDRV_PCM_FORMAT_S16_LE, 1, 24, 6, 0, 1152000 },
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{ 8000, SNDRV_PCM_FORMAT_S16_LE, 2, 24, 6, 0, 1152000 },
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{ 8000, SNDRV_PCM_FORMAT_S16_LE, 3, 24, 6, 0, 1152000 },
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{ 8000, SNDRV_PCM_FORMAT_S16_LE, 4, 24, 6, 0, 1152000 },
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{ 8000, SNDRV_PCM_FORMAT_S24_LE, 1, 24, 6, 0, 1152000 },
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{ 8000, SNDRV_PCM_FORMAT_S24_LE, 2, 24, 6, 0, 1152000 },
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{ 8000, SNDRV_PCM_FORMAT_S24_LE, 3, 24, 6, 0, 1152000 },
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{ 8000, SNDRV_PCM_FORMAT_S24_LE, 4, 24, 6, 0, 1152000 },
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{ 192000, SNDRV_PCM_FORMAT_S16_LE, 1, 24, 6, 0, 27648000 },
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{ 192000, SNDRV_PCM_FORMAT_S16_LE, 2, 24, 6, 0, 27648000 },
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{ 192000, SNDRV_PCM_FORMAT_S16_LE, 3, 24, 6, 0, 27648000 },
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{ 192000, SNDRV_PCM_FORMAT_S16_LE, 4, 24, 6, 0, 27648000 },
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{ 192000, SNDRV_PCM_FORMAT_S24_LE, 1, 24, 6, 0, 27648000 },
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{ 192000, SNDRV_PCM_FORMAT_S24_LE, 2, 24, 6, 0, 27648000 },
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{ 192000, SNDRV_PCM_FORMAT_S24_LE, 3, 24, 6, 0, 27648000 },
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{ 192000, SNDRV_PCM_FORMAT_S24_LE, 4, 24, 6, 0, 27648000 },
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};
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static void test_tdm_params_to_bclk_one(struct kunit *test,
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unsigned int rate, snd_pcm_format_t fmt,
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unsigned int channels,
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unsigned int tdm_width, unsigned int tdm_slots,
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unsigned int slot_multiple,
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unsigned int expected_bclk)
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{
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struct snd_pcm_hw_params params;
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int got_bclk;
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_snd_pcm_hw_params_any(¶ms);
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snd_mask_none(hw_param_mask(¶ms, SNDRV_PCM_HW_PARAM_FORMAT));
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hw_param_interval(¶ms, SNDRV_PCM_HW_PARAM_RATE)->min = rate;
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hw_param_interval(¶ms, SNDRV_PCM_HW_PARAM_RATE)->max = rate;
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hw_param_interval(¶ms, SNDRV_PCM_HW_PARAM_CHANNELS)->min = channels;
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hw_param_interval(¶ms, SNDRV_PCM_HW_PARAM_CHANNELS)->max = channels;
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params_set_format(¶ms, fmt);
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got_bclk = snd_soc_tdm_params_to_bclk(¶ms, tdm_width, tdm_slots, slot_multiple);
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pr_debug("%s: r=%u sb=%u ch=%u tw=%u ts=%u sm=%u expected=%u got=%d\n",
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__func__,
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rate, params_width(¶ms), channels, tdm_width, tdm_slots, slot_multiple,
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expected_bclk, got_bclk);
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KUNIT_ASSERT_EQ(test, expected_bclk, (unsigned int)got_bclk);
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}
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static void test_tdm_params_to_bclk(struct kunit *test)
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{
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int i;
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for (i = 0; i < ARRAY_SIZE(tdm_params_to_bclk_cases); ++i) {
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test_tdm_params_to_bclk_one(test,
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tdm_params_to_bclk_cases[i].rate,
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tdm_params_to_bclk_cases[i].fmt,
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tdm_params_to_bclk_cases[i].channels,
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tdm_params_to_bclk_cases[i].tdm_width,
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tdm_params_to_bclk_cases[i].tdm_slots,
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tdm_params_to_bclk_cases[i].slot_multiple,
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tdm_params_to_bclk_cases[i].bclk);
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if (tdm_params_to_bclk_cases[i].slot_multiple > 0)
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continue;
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/* Slot multiple 1 should have the same effect as multiple 0 */
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test_tdm_params_to_bclk_one(test,
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tdm_params_to_bclk_cases[i].rate,
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tdm_params_to_bclk_cases[i].fmt,
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tdm_params_to_bclk_cases[i].channels,
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tdm_params_to_bclk_cases[i].tdm_width,
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tdm_params_to_bclk_cases[i].tdm_slots,
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1,
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tdm_params_to_bclk_cases[i].bclk);
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}
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}
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static void test_snd_soc_params_to_bclk_one(struct kunit *test,
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unsigned int rate, snd_pcm_format_t fmt,
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unsigned int channels,
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unsigned int expected_bclk)
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{
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struct snd_pcm_hw_params params;
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int got_bclk;
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_snd_pcm_hw_params_any(¶ms);
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snd_mask_none(hw_param_mask(¶ms, SNDRV_PCM_HW_PARAM_FORMAT));
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hw_param_interval(¶ms, SNDRV_PCM_HW_PARAM_RATE)->min = rate;
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hw_param_interval(¶ms, SNDRV_PCM_HW_PARAM_RATE)->max = rate;
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hw_param_interval(¶ms, SNDRV_PCM_HW_PARAM_CHANNELS)->min = channels;
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hw_param_interval(¶ms, SNDRV_PCM_HW_PARAM_CHANNELS)->max = channels;
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params_set_format(¶ms, fmt);
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got_bclk = snd_soc_params_to_bclk(¶ms);
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pr_debug("%s: r=%u sb=%u ch=%u expected=%u got=%d\n",
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__func__,
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rate, params_width(¶ms), channels, expected_bclk, got_bclk);
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KUNIT_ASSERT_EQ(test, expected_bclk, (unsigned int)got_bclk);
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}
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static void test_snd_soc_params_to_bclk(struct kunit *test)
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{
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int i;
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for (i = 0; i < ARRAY_SIZE(tdm_params_to_bclk_cases); ++i) {
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/*
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* snd_soc_params_to_bclk() is all the test cases where
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* snd_pcm_hw_params values are not overridden.
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*/
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if (tdm_params_to_bclk_cases[i].tdm_width |
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tdm_params_to_bclk_cases[i].tdm_slots |
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tdm_params_to_bclk_cases[i].slot_multiple)
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continue;
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test_snd_soc_params_to_bclk_one(test,
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tdm_params_to_bclk_cases[i].rate,
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tdm_params_to_bclk_cases[i].fmt,
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tdm_params_to_bclk_cases[i].channels,
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tdm_params_to_bclk_cases[i].bclk);
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}
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}
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static struct kunit_case soc_utils_test_cases[] = {
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KUNIT_CASE(test_tdm_params_to_bclk),
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KUNIT_CASE(test_snd_soc_params_to_bclk),
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{}
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};
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static struct kunit_suite soc_utils_test_suite = {
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.name = "soc-utils",
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.test_cases = soc_utils_test_cases,
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};
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kunit_test_suites(&soc_utils_test_suite);
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MODULE_DESCRIPTION("ASoC soc-utils kunit test");
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MODULE_LICENSE("GPL");
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