1*89342fa3SRichard Fitzgerald // SPDX-License-Identifier: GPL-2.0-only 2*89342fa3SRichard Fitzgerald // Copyright (C) 2022 Cirrus Logic, Inc. and 3*89342fa3SRichard Fitzgerald // Cirrus Logic International Semiconductor Ltd. 4*89342fa3SRichard Fitzgerald 5*89342fa3SRichard Fitzgerald #include <kunit/test.h> 6*89342fa3SRichard Fitzgerald #include <linux/module.h> 7*89342fa3SRichard Fitzgerald #include <sound/pcm.h> 8*89342fa3SRichard Fitzgerald #include <sound/pcm_params.h> 9*89342fa3SRichard Fitzgerald #include <sound/soc.h> 10*89342fa3SRichard Fitzgerald #include <uapi/sound/asound.h> 11*89342fa3SRichard Fitzgerald 12*89342fa3SRichard Fitzgerald static const struct { 13*89342fa3SRichard Fitzgerald u32 rate; 14*89342fa3SRichard Fitzgerald snd_pcm_format_t fmt; 15*89342fa3SRichard Fitzgerald u8 channels; 16*89342fa3SRichard Fitzgerald u8 tdm_width; 17*89342fa3SRichard Fitzgerald u8 tdm_slots; 18*89342fa3SRichard Fitzgerald u8 slot_multiple; 19*89342fa3SRichard Fitzgerald u32 bclk; 20*89342fa3SRichard Fitzgerald } tdm_params_to_bclk_cases[] = { 21*89342fa3SRichard Fitzgerald /* rate fmt channels tdm_width tdm_slots slot_multiple bclk */ 22*89342fa3SRichard Fitzgerald 23*89342fa3SRichard Fitzgerald /* From params only */ 24*89342fa3SRichard Fitzgerald { 8000, SNDRV_PCM_FORMAT_S16_LE, 1, 0, 0, 0, 128000 }, 25*89342fa3SRichard Fitzgerald { 8000, SNDRV_PCM_FORMAT_S16_LE, 2, 0, 0, 0, 256000 }, 26*89342fa3SRichard Fitzgerald { 8000, SNDRV_PCM_FORMAT_S24_LE, 1, 0, 0, 0, 192000 }, 27*89342fa3SRichard Fitzgerald { 8000, SNDRV_PCM_FORMAT_S24_LE, 2, 0, 0, 0, 384000 }, 28*89342fa3SRichard Fitzgerald { 8000, SNDRV_PCM_FORMAT_S32_LE, 1, 0, 0, 0, 256000 }, 29*89342fa3SRichard Fitzgerald { 8000, SNDRV_PCM_FORMAT_S32_LE, 2, 0, 0, 0, 512000 }, 30*89342fa3SRichard Fitzgerald { 44100, SNDRV_PCM_FORMAT_S16_LE, 1, 0, 0, 0, 705600 }, 31*89342fa3SRichard Fitzgerald { 44100, SNDRV_PCM_FORMAT_S16_LE, 2, 0, 0, 0, 1411200 }, 32*89342fa3SRichard Fitzgerald { 44100, SNDRV_PCM_FORMAT_S24_LE, 1, 0, 0, 0, 1058400 }, 33*89342fa3SRichard Fitzgerald { 44100, SNDRV_PCM_FORMAT_S24_LE, 2, 0, 0, 0, 2116800 }, 34*89342fa3SRichard Fitzgerald { 44100, SNDRV_PCM_FORMAT_S32_LE, 1, 0, 0, 0, 1411200 }, 35*89342fa3SRichard Fitzgerald { 44100, SNDRV_PCM_FORMAT_S32_LE, 2, 0, 0, 0, 2822400 }, 36*89342fa3SRichard Fitzgerald { 384000, SNDRV_PCM_FORMAT_S16_LE, 1, 0, 0, 0, 6144000 }, 37*89342fa3SRichard Fitzgerald { 384000, SNDRV_PCM_FORMAT_S16_LE, 2, 0, 0, 0, 12288000 }, 38*89342fa3SRichard Fitzgerald { 384000, SNDRV_PCM_FORMAT_S24_LE, 1, 0, 0, 0, 9216000 }, 39*89342fa3SRichard Fitzgerald { 384000, SNDRV_PCM_FORMAT_S24_LE, 2, 0, 0, 0, 18432000 }, 40*89342fa3SRichard Fitzgerald { 384000, SNDRV_PCM_FORMAT_S32_LE, 1, 0, 0, 0, 12288000 }, 41*89342fa3SRichard Fitzgerald { 384000, SNDRV_PCM_FORMAT_S32_LE, 2, 0, 0, 0, 24576000 }, 42*89342fa3SRichard Fitzgerald 43*89342fa3SRichard Fitzgerald /* I2S from params */ 44*89342fa3SRichard Fitzgerald { 8000, SNDRV_PCM_FORMAT_S16_LE, 1, 0, 0, 2, 256000 }, 45*89342fa3SRichard Fitzgerald { 8000, SNDRV_PCM_FORMAT_S16_LE, 2, 0, 0, 2, 256000 }, 46*89342fa3SRichard Fitzgerald { 8000, SNDRV_PCM_FORMAT_S24_LE, 1, 0, 0, 2, 384000 }, 47*89342fa3SRichard Fitzgerald { 8000, SNDRV_PCM_FORMAT_S24_LE, 2, 0, 0, 2, 384000 }, 48*89342fa3SRichard Fitzgerald { 8000, SNDRV_PCM_FORMAT_S32_LE, 1, 0, 0, 2, 512000 }, 49*89342fa3SRichard Fitzgerald { 8000, SNDRV_PCM_FORMAT_S32_LE, 2, 0, 0, 2, 512000 }, 50*89342fa3SRichard Fitzgerald { 44100, SNDRV_PCM_FORMAT_S16_LE, 1, 0, 0, 2, 1411200 }, 51*89342fa3SRichard Fitzgerald { 44100, SNDRV_PCM_FORMAT_S16_LE, 2, 0, 0, 2, 1411200 }, 52*89342fa3SRichard Fitzgerald { 44100, SNDRV_PCM_FORMAT_S24_LE, 1, 0, 0, 2, 2116800 }, 53*89342fa3SRichard Fitzgerald { 44100, SNDRV_PCM_FORMAT_S24_LE, 2, 0, 0, 2, 2116800 }, 54*89342fa3SRichard Fitzgerald { 44100, SNDRV_PCM_FORMAT_S32_LE, 1, 0, 0, 2, 2822400 }, 55*89342fa3SRichard Fitzgerald { 44100, SNDRV_PCM_FORMAT_S32_LE, 2, 0, 0, 2, 2822400 }, 56*89342fa3SRichard Fitzgerald { 384000, SNDRV_PCM_FORMAT_S16_LE, 1, 0, 0, 2, 12288000 }, 57*89342fa3SRichard Fitzgerald { 384000, SNDRV_PCM_FORMAT_S16_LE, 2, 0, 0, 2, 12288000 }, 58*89342fa3SRichard Fitzgerald { 384000, SNDRV_PCM_FORMAT_S24_LE, 1, 0, 0, 2, 18432000 }, 59*89342fa3SRichard Fitzgerald { 384000, SNDRV_PCM_FORMAT_S24_LE, 2, 0, 0, 2, 18432000 }, 60*89342fa3SRichard Fitzgerald { 384000, SNDRV_PCM_FORMAT_S32_LE, 1, 0, 0, 2, 24576000 }, 61*89342fa3SRichard Fitzgerald { 384000, SNDRV_PCM_FORMAT_S32_LE, 2, 0, 0, 2, 24576000 }, 62*89342fa3SRichard Fitzgerald 63*89342fa3SRichard Fitzgerald /* Fixed 8-slot TDM, other values from params */ 64*89342fa3SRichard Fitzgerald { 8000, SNDRV_PCM_FORMAT_S16_LE, 1, 0, 8, 0, 1024000 }, 65*89342fa3SRichard Fitzgerald { 8000, SNDRV_PCM_FORMAT_S16_LE, 2, 0, 8, 0, 1024000 }, 66*89342fa3SRichard Fitzgerald { 8000, SNDRV_PCM_FORMAT_S16_LE, 3, 0, 8, 0, 1024000 }, 67*89342fa3SRichard Fitzgerald { 8000, SNDRV_PCM_FORMAT_S16_LE, 4, 0, 8, 0, 1024000 }, 68*89342fa3SRichard Fitzgerald { 8000, SNDRV_PCM_FORMAT_S32_LE, 1, 0, 8, 0, 2048000 }, 69*89342fa3SRichard Fitzgerald { 8000, SNDRV_PCM_FORMAT_S32_LE, 2, 0, 8, 0, 2048000 }, 70*89342fa3SRichard Fitzgerald { 8000, SNDRV_PCM_FORMAT_S32_LE, 3, 0, 8, 0, 2048000 }, 71*89342fa3SRichard Fitzgerald { 8000, SNDRV_PCM_FORMAT_S32_LE, 4, 0, 8, 0, 2048000 }, 72*89342fa3SRichard Fitzgerald { 384000, SNDRV_PCM_FORMAT_S16_LE, 1, 0, 8, 0, 49152000 }, 73*89342fa3SRichard Fitzgerald { 384000, SNDRV_PCM_FORMAT_S16_LE, 2, 0, 8, 0, 49152000 }, 74*89342fa3SRichard Fitzgerald { 384000, SNDRV_PCM_FORMAT_S16_LE, 3, 0, 8, 0, 49152000 }, 75*89342fa3SRichard Fitzgerald { 384000, SNDRV_PCM_FORMAT_S16_LE, 4, 0, 8, 0, 49152000 }, 76*89342fa3SRichard Fitzgerald { 384000, SNDRV_PCM_FORMAT_S32_LE, 1, 0, 8, 0, 98304000 }, 77*89342fa3SRichard Fitzgerald { 384000, SNDRV_PCM_FORMAT_S32_LE, 2, 0, 8, 0, 98304000 }, 78*89342fa3SRichard Fitzgerald { 384000, SNDRV_PCM_FORMAT_S32_LE, 3, 0, 8, 0, 98304000 }, 79*89342fa3SRichard Fitzgerald { 384000, SNDRV_PCM_FORMAT_S32_LE, 4, 0, 8, 0, 98304000 }, 80*89342fa3SRichard Fitzgerald 81*89342fa3SRichard Fitzgerald /* Fixed 32-bit TDM, other values from params */ 82*89342fa3SRichard Fitzgerald { 8000, SNDRV_PCM_FORMAT_S16_LE, 1, 32, 0, 0, 256000 }, 83*89342fa3SRichard Fitzgerald { 8000, SNDRV_PCM_FORMAT_S16_LE, 2, 32, 0, 0, 512000 }, 84*89342fa3SRichard Fitzgerald { 8000, SNDRV_PCM_FORMAT_S16_LE, 3, 32, 0, 0, 768000 }, 85*89342fa3SRichard Fitzgerald { 8000, SNDRV_PCM_FORMAT_S16_LE, 4, 32, 0, 0, 1024000 }, 86*89342fa3SRichard Fitzgerald { 8000, SNDRV_PCM_FORMAT_S32_LE, 1, 32, 0, 0, 256000 }, 87*89342fa3SRichard Fitzgerald { 8000, SNDRV_PCM_FORMAT_S32_LE, 2, 32, 0, 0, 512000 }, 88*89342fa3SRichard Fitzgerald { 8000, SNDRV_PCM_FORMAT_S32_LE, 3, 32, 0, 0, 768000 }, 89*89342fa3SRichard Fitzgerald { 8000, SNDRV_PCM_FORMAT_S32_LE, 4, 32, 0, 0, 1024000 }, 90*89342fa3SRichard Fitzgerald { 384000, SNDRV_PCM_FORMAT_S16_LE, 1, 32, 0, 0, 12288000 }, 91*89342fa3SRichard Fitzgerald { 384000, SNDRV_PCM_FORMAT_S16_LE, 2, 32, 0, 0, 24576000 }, 92*89342fa3SRichard Fitzgerald { 384000, SNDRV_PCM_FORMAT_S16_LE, 3, 32, 0, 0, 36864000 }, 93*89342fa3SRichard Fitzgerald { 384000, SNDRV_PCM_FORMAT_S16_LE, 4, 32, 0, 0, 49152000 }, 94*89342fa3SRichard Fitzgerald { 384000, SNDRV_PCM_FORMAT_S32_LE, 1, 32, 0, 0, 12288000 }, 95*89342fa3SRichard Fitzgerald { 384000, SNDRV_PCM_FORMAT_S32_LE, 2, 32, 0, 0, 24576000 }, 96*89342fa3SRichard Fitzgerald { 384000, SNDRV_PCM_FORMAT_S32_LE, 3, 32, 0, 0, 36864000 }, 97*89342fa3SRichard Fitzgerald { 384000, SNDRV_PCM_FORMAT_S32_LE, 4, 32, 0, 0, 49152000 }, 98*89342fa3SRichard Fitzgerald 99*89342fa3SRichard Fitzgerald /* Fixed 6-slot 24-bit TDM, other values from params */ 100*89342fa3SRichard Fitzgerald { 8000, SNDRV_PCM_FORMAT_S16_LE, 1, 24, 6, 0, 1152000 }, 101*89342fa3SRichard Fitzgerald { 8000, SNDRV_PCM_FORMAT_S16_LE, 2, 24, 6, 0, 1152000 }, 102*89342fa3SRichard Fitzgerald { 8000, SNDRV_PCM_FORMAT_S16_LE, 3, 24, 6, 0, 1152000 }, 103*89342fa3SRichard Fitzgerald { 8000, SNDRV_PCM_FORMAT_S16_LE, 4, 24, 6, 0, 1152000 }, 104*89342fa3SRichard Fitzgerald { 8000, SNDRV_PCM_FORMAT_S24_LE, 1, 24, 6, 0, 1152000 }, 105*89342fa3SRichard Fitzgerald { 8000, SNDRV_PCM_FORMAT_S24_LE, 2, 24, 6, 0, 1152000 }, 106*89342fa3SRichard Fitzgerald { 8000, SNDRV_PCM_FORMAT_S24_LE, 3, 24, 6, 0, 1152000 }, 107*89342fa3SRichard Fitzgerald { 8000, SNDRV_PCM_FORMAT_S24_LE, 4, 24, 6, 0, 1152000 }, 108*89342fa3SRichard Fitzgerald { 192000, SNDRV_PCM_FORMAT_S16_LE, 1, 24, 6, 0, 27648000 }, 109*89342fa3SRichard Fitzgerald { 192000, SNDRV_PCM_FORMAT_S16_LE, 2, 24, 6, 0, 27648000 }, 110*89342fa3SRichard Fitzgerald { 192000, SNDRV_PCM_FORMAT_S16_LE, 3, 24, 6, 0, 27648000 }, 111*89342fa3SRichard Fitzgerald { 192000, SNDRV_PCM_FORMAT_S16_LE, 4, 24, 6, 0, 27648000 }, 112*89342fa3SRichard Fitzgerald { 192000, SNDRV_PCM_FORMAT_S24_LE, 1, 24, 6, 0, 27648000 }, 113*89342fa3SRichard Fitzgerald { 192000, SNDRV_PCM_FORMAT_S24_LE, 2, 24, 6, 0, 27648000 }, 114*89342fa3SRichard Fitzgerald { 192000, SNDRV_PCM_FORMAT_S24_LE, 3, 24, 6, 0, 27648000 }, 115*89342fa3SRichard Fitzgerald { 192000, SNDRV_PCM_FORMAT_S24_LE, 4, 24, 6, 0, 27648000 }, 116*89342fa3SRichard Fitzgerald }; 117*89342fa3SRichard Fitzgerald 118*89342fa3SRichard Fitzgerald static void test_tdm_params_to_bclk_one(struct kunit *test, 119*89342fa3SRichard Fitzgerald unsigned int rate, snd_pcm_format_t fmt, 120*89342fa3SRichard Fitzgerald unsigned int channels, 121*89342fa3SRichard Fitzgerald unsigned int tdm_width, unsigned int tdm_slots, 122*89342fa3SRichard Fitzgerald unsigned int slot_multiple, 123*89342fa3SRichard Fitzgerald unsigned int expected_bclk) 124*89342fa3SRichard Fitzgerald { 125*89342fa3SRichard Fitzgerald struct snd_pcm_hw_params params; 126*89342fa3SRichard Fitzgerald int got_bclk; 127*89342fa3SRichard Fitzgerald 128*89342fa3SRichard Fitzgerald _snd_pcm_hw_params_any(¶ms); 129*89342fa3SRichard Fitzgerald snd_mask_none(hw_param_mask(¶ms, SNDRV_PCM_HW_PARAM_FORMAT)); 130*89342fa3SRichard Fitzgerald hw_param_interval(¶ms, SNDRV_PCM_HW_PARAM_RATE)->min = rate; 131*89342fa3SRichard Fitzgerald hw_param_interval(¶ms, SNDRV_PCM_HW_PARAM_RATE)->max = rate; 132*89342fa3SRichard Fitzgerald hw_param_interval(¶ms, SNDRV_PCM_HW_PARAM_CHANNELS)->min = channels; 133*89342fa3SRichard Fitzgerald hw_param_interval(¶ms, SNDRV_PCM_HW_PARAM_CHANNELS)->max = channels; 134*89342fa3SRichard Fitzgerald params_set_format(¶ms, fmt); 135*89342fa3SRichard Fitzgerald 136*89342fa3SRichard Fitzgerald got_bclk = snd_soc_tdm_params_to_bclk(¶ms, tdm_width, tdm_slots, slot_multiple); 137*89342fa3SRichard Fitzgerald pr_debug("%s: r=%u sb=%u ch=%u tw=%u ts=%u sm=%u expected=%u got=%d\n", 138*89342fa3SRichard Fitzgerald __func__, 139*89342fa3SRichard Fitzgerald rate, params_width(¶ms), channels, tdm_width, tdm_slots, slot_multiple, 140*89342fa3SRichard Fitzgerald expected_bclk, got_bclk); 141*89342fa3SRichard Fitzgerald KUNIT_ASSERT_EQ(test, expected_bclk, (unsigned int)got_bclk); 142*89342fa3SRichard Fitzgerald } 143*89342fa3SRichard Fitzgerald 144*89342fa3SRichard Fitzgerald static void test_tdm_params_to_bclk(struct kunit *test) 145*89342fa3SRichard Fitzgerald { 146*89342fa3SRichard Fitzgerald int i; 147*89342fa3SRichard Fitzgerald 148*89342fa3SRichard Fitzgerald for (i = 0; i < ARRAY_SIZE(tdm_params_to_bclk_cases); ++i) { 149*89342fa3SRichard Fitzgerald test_tdm_params_to_bclk_one(test, 150*89342fa3SRichard Fitzgerald tdm_params_to_bclk_cases[i].rate, 151*89342fa3SRichard Fitzgerald tdm_params_to_bclk_cases[i].fmt, 152*89342fa3SRichard Fitzgerald tdm_params_to_bclk_cases[i].channels, 153*89342fa3SRichard Fitzgerald tdm_params_to_bclk_cases[i].tdm_width, 154*89342fa3SRichard Fitzgerald tdm_params_to_bclk_cases[i].tdm_slots, 155*89342fa3SRichard Fitzgerald tdm_params_to_bclk_cases[i].slot_multiple, 156*89342fa3SRichard Fitzgerald tdm_params_to_bclk_cases[i].bclk); 157*89342fa3SRichard Fitzgerald 158*89342fa3SRichard Fitzgerald if (tdm_params_to_bclk_cases[i].slot_multiple > 0) 159*89342fa3SRichard Fitzgerald continue; 160*89342fa3SRichard Fitzgerald 161*89342fa3SRichard Fitzgerald /* Slot multiple 1 should have the same effect as multiple 0 */ 162*89342fa3SRichard Fitzgerald test_tdm_params_to_bclk_one(test, 163*89342fa3SRichard Fitzgerald tdm_params_to_bclk_cases[i].rate, 164*89342fa3SRichard Fitzgerald tdm_params_to_bclk_cases[i].fmt, 165*89342fa3SRichard Fitzgerald tdm_params_to_bclk_cases[i].channels, 166*89342fa3SRichard Fitzgerald tdm_params_to_bclk_cases[i].tdm_width, 167*89342fa3SRichard Fitzgerald tdm_params_to_bclk_cases[i].tdm_slots, 168*89342fa3SRichard Fitzgerald 1, 169*89342fa3SRichard Fitzgerald tdm_params_to_bclk_cases[i].bclk); 170*89342fa3SRichard Fitzgerald } 171*89342fa3SRichard Fitzgerald } 172*89342fa3SRichard Fitzgerald 173*89342fa3SRichard Fitzgerald static struct kunit_case soc_utils_test_cases[] = { 174*89342fa3SRichard Fitzgerald KUNIT_CASE(test_tdm_params_to_bclk), 175*89342fa3SRichard Fitzgerald {} 176*89342fa3SRichard Fitzgerald }; 177*89342fa3SRichard Fitzgerald 178*89342fa3SRichard Fitzgerald static struct kunit_suite soc_utils_test_suite = { 179*89342fa3SRichard Fitzgerald .name = "soc-utils", 180*89342fa3SRichard Fitzgerald .test_cases = soc_utils_test_cases, 181*89342fa3SRichard Fitzgerald }; 182*89342fa3SRichard Fitzgerald 183*89342fa3SRichard Fitzgerald kunit_test_suites(&soc_utils_test_suite); 184*89342fa3SRichard Fitzgerald 185*89342fa3SRichard Fitzgerald MODULE_DESCRIPTION("ASoC soc-utils kunit test"); 186*89342fa3SRichard Fitzgerald MODULE_LICENSE("GPL"); 187