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89342fa3 RF |
1 | // SPDX-License-Identifier: GPL-2.0-only |
2 | // Copyright (C) 2022 Cirrus Logic, Inc. and | |
3 | // Cirrus Logic International Semiconductor Ltd. | |
4 | ||
5 | #include <kunit/test.h> | |
6 | #include <linux/module.h> | |
7 | #include <sound/pcm.h> | |
8 | #include <sound/pcm_params.h> | |
9 | #include <sound/soc.h> | |
10 | #include <uapi/sound/asound.h> | |
11 | ||
12 | static const struct { | |
13 | u32 rate; | |
14 | snd_pcm_format_t fmt; | |
15 | u8 channels; | |
16 | u8 tdm_width; | |
17 | u8 tdm_slots; | |
18 | u8 slot_multiple; | |
19 | u32 bclk; | |
20 | } tdm_params_to_bclk_cases[] = { | |
21 | /* rate fmt channels tdm_width tdm_slots slot_multiple bclk */ | |
22 | ||
23 | /* From params only */ | |
24 | { 8000, SNDRV_PCM_FORMAT_S16_LE, 1, 0, 0, 0, 128000 }, | |
25 | { 8000, SNDRV_PCM_FORMAT_S16_LE, 2, 0, 0, 0, 256000 }, | |
26 | { 8000, SNDRV_PCM_FORMAT_S24_LE, 1, 0, 0, 0, 192000 }, | |
27 | { 8000, SNDRV_PCM_FORMAT_S24_LE, 2, 0, 0, 0, 384000 }, | |
28 | { 8000, SNDRV_PCM_FORMAT_S32_LE, 1, 0, 0, 0, 256000 }, | |
29 | { 8000, SNDRV_PCM_FORMAT_S32_LE, 2, 0, 0, 0, 512000 }, | |
30 | { 44100, SNDRV_PCM_FORMAT_S16_LE, 1, 0, 0, 0, 705600 }, | |
31 | { 44100, SNDRV_PCM_FORMAT_S16_LE, 2, 0, 0, 0, 1411200 }, | |
32 | { 44100, SNDRV_PCM_FORMAT_S24_LE, 1, 0, 0, 0, 1058400 }, | |
33 | { 44100, SNDRV_PCM_FORMAT_S24_LE, 2, 0, 0, 0, 2116800 }, | |
34 | { 44100, SNDRV_PCM_FORMAT_S32_LE, 1, 0, 0, 0, 1411200 }, | |
35 | { 44100, SNDRV_PCM_FORMAT_S32_LE, 2, 0, 0, 0, 2822400 }, | |
36 | { 384000, SNDRV_PCM_FORMAT_S16_LE, 1, 0, 0, 0, 6144000 }, | |
37 | { 384000, SNDRV_PCM_FORMAT_S16_LE, 2, 0, 0, 0, 12288000 }, | |
38 | { 384000, SNDRV_PCM_FORMAT_S24_LE, 1, 0, 0, 0, 9216000 }, | |
39 | { 384000, SNDRV_PCM_FORMAT_S24_LE, 2, 0, 0, 0, 18432000 }, | |
40 | { 384000, SNDRV_PCM_FORMAT_S32_LE, 1, 0, 0, 0, 12288000 }, | |
41 | { 384000, SNDRV_PCM_FORMAT_S32_LE, 2, 0, 0, 0, 24576000 }, | |
42 | ||
43 | /* I2S from params */ | |
44 | { 8000, SNDRV_PCM_FORMAT_S16_LE, 1, 0, 0, 2, 256000 }, | |
45 | { 8000, SNDRV_PCM_FORMAT_S16_LE, 2, 0, 0, 2, 256000 }, | |
46 | { 8000, SNDRV_PCM_FORMAT_S24_LE, 1, 0, 0, 2, 384000 }, | |
47 | { 8000, SNDRV_PCM_FORMAT_S24_LE, 2, 0, 0, 2, 384000 }, | |
48 | { 8000, SNDRV_PCM_FORMAT_S32_LE, 1, 0, 0, 2, 512000 }, | |
49 | { 8000, SNDRV_PCM_FORMAT_S32_LE, 2, 0, 0, 2, 512000 }, | |
50 | { 44100, SNDRV_PCM_FORMAT_S16_LE, 1, 0, 0, 2, 1411200 }, | |
51 | { 44100, SNDRV_PCM_FORMAT_S16_LE, 2, 0, 0, 2, 1411200 }, | |
52 | { 44100, SNDRV_PCM_FORMAT_S24_LE, 1, 0, 0, 2, 2116800 }, | |
53 | { 44100, SNDRV_PCM_FORMAT_S24_LE, 2, 0, 0, 2, 2116800 }, | |
54 | { 44100, SNDRV_PCM_FORMAT_S32_LE, 1, 0, 0, 2, 2822400 }, | |
55 | { 44100, SNDRV_PCM_FORMAT_S32_LE, 2, 0, 0, 2, 2822400 }, | |
56 | { 384000, SNDRV_PCM_FORMAT_S16_LE, 1, 0, 0, 2, 12288000 }, | |
57 | { 384000, SNDRV_PCM_FORMAT_S16_LE, 2, 0, 0, 2, 12288000 }, | |
58 | { 384000, SNDRV_PCM_FORMAT_S24_LE, 1, 0, 0, 2, 18432000 }, | |
59 | { 384000, SNDRV_PCM_FORMAT_S24_LE, 2, 0, 0, 2, 18432000 }, | |
60 | { 384000, SNDRV_PCM_FORMAT_S32_LE, 1, 0, 0, 2, 24576000 }, | |
61 | { 384000, SNDRV_PCM_FORMAT_S32_LE, 2, 0, 0, 2, 24576000 }, | |
62 | ||
63 | /* Fixed 8-slot TDM, other values from params */ | |
64 | { 8000, SNDRV_PCM_FORMAT_S16_LE, 1, 0, 8, 0, 1024000 }, | |
65 | { 8000, SNDRV_PCM_FORMAT_S16_LE, 2, 0, 8, 0, 1024000 }, | |
66 | { 8000, SNDRV_PCM_FORMAT_S16_LE, 3, 0, 8, 0, 1024000 }, | |
67 | { 8000, SNDRV_PCM_FORMAT_S16_LE, 4, 0, 8, 0, 1024000 }, | |
68 | { 8000, SNDRV_PCM_FORMAT_S32_LE, 1, 0, 8, 0, 2048000 }, | |
69 | { 8000, SNDRV_PCM_FORMAT_S32_LE, 2, 0, 8, 0, 2048000 }, | |
70 | { 8000, SNDRV_PCM_FORMAT_S32_LE, 3, 0, 8, 0, 2048000 }, | |
71 | { 8000, SNDRV_PCM_FORMAT_S32_LE, 4, 0, 8, 0, 2048000 }, | |
72 | { 384000, SNDRV_PCM_FORMAT_S16_LE, 1, 0, 8, 0, 49152000 }, | |
73 | { 384000, SNDRV_PCM_FORMAT_S16_LE, 2, 0, 8, 0, 49152000 }, | |
74 | { 384000, SNDRV_PCM_FORMAT_S16_LE, 3, 0, 8, 0, 49152000 }, | |
75 | { 384000, SNDRV_PCM_FORMAT_S16_LE, 4, 0, 8, 0, 49152000 }, | |
76 | { 384000, SNDRV_PCM_FORMAT_S32_LE, 1, 0, 8, 0, 98304000 }, | |
77 | { 384000, SNDRV_PCM_FORMAT_S32_LE, 2, 0, 8, 0, 98304000 }, | |
78 | { 384000, SNDRV_PCM_FORMAT_S32_LE, 3, 0, 8, 0, 98304000 }, | |
79 | { 384000, SNDRV_PCM_FORMAT_S32_LE, 4, 0, 8, 0, 98304000 }, | |
80 | ||
81 | /* Fixed 32-bit TDM, other values from params */ | |
82 | { 8000, SNDRV_PCM_FORMAT_S16_LE, 1, 32, 0, 0, 256000 }, | |
83 | { 8000, SNDRV_PCM_FORMAT_S16_LE, 2, 32, 0, 0, 512000 }, | |
84 | { 8000, SNDRV_PCM_FORMAT_S16_LE, 3, 32, 0, 0, 768000 }, | |
85 | { 8000, SNDRV_PCM_FORMAT_S16_LE, 4, 32, 0, 0, 1024000 }, | |
86 | { 8000, SNDRV_PCM_FORMAT_S32_LE, 1, 32, 0, 0, 256000 }, | |
87 | { 8000, SNDRV_PCM_FORMAT_S32_LE, 2, 32, 0, 0, 512000 }, | |
88 | { 8000, SNDRV_PCM_FORMAT_S32_LE, 3, 32, 0, 0, 768000 }, | |
89 | { 8000, SNDRV_PCM_FORMAT_S32_LE, 4, 32, 0, 0, 1024000 }, | |
90 | { 384000, SNDRV_PCM_FORMAT_S16_LE, 1, 32, 0, 0, 12288000 }, | |
91 | { 384000, SNDRV_PCM_FORMAT_S16_LE, 2, 32, 0, 0, 24576000 }, | |
92 | { 384000, SNDRV_PCM_FORMAT_S16_LE, 3, 32, 0, 0, 36864000 }, | |
93 | { 384000, SNDRV_PCM_FORMAT_S16_LE, 4, 32, 0, 0, 49152000 }, | |
94 | { 384000, SNDRV_PCM_FORMAT_S32_LE, 1, 32, 0, 0, 12288000 }, | |
95 | { 384000, SNDRV_PCM_FORMAT_S32_LE, 2, 32, 0, 0, 24576000 }, | |
96 | { 384000, SNDRV_PCM_FORMAT_S32_LE, 3, 32, 0, 0, 36864000 }, | |
97 | { 384000, SNDRV_PCM_FORMAT_S32_LE, 4, 32, 0, 0, 49152000 }, | |
98 | ||
99 | /* Fixed 6-slot 24-bit TDM, other values from params */ | |
100 | { 8000, SNDRV_PCM_FORMAT_S16_LE, 1, 24, 6, 0, 1152000 }, | |
101 | { 8000, SNDRV_PCM_FORMAT_S16_LE, 2, 24, 6, 0, 1152000 }, | |
102 | { 8000, SNDRV_PCM_FORMAT_S16_LE, 3, 24, 6, 0, 1152000 }, | |
103 | { 8000, SNDRV_PCM_FORMAT_S16_LE, 4, 24, 6, 0, 1152000 }, | |
104 | { 8000, SNDRV_PCM_FORMAT_S24_LE, 1, 24, 6, 0, 1152000 }, | |
105 | { 8000, SNDRV_PCM_FORMAT_S24_LE, 2, 24, 6, 0, 1152000 }, | |
106 | { 8000, SNDRV_PCM_FORMAT_S24_LE, 3, 24, 6, 0, 1152000 }, | |
107 | { 8000, SNDRV_PCM_FORMAT_S24_LE, 4, 24, 6, 0, 1152000 }, | |
108 | { 192000, SNDRV_PCM_FORMAT_S16_LE, 1, 24, 6, 0, 27648000 }, | |
109 | { 192000, SNDRV_PCM_FORMAT_S16_LE, 2, 24, 6, 0, 27648000 }, | |
110 | { 192000, SNDRV_PCM_FORMAT_S16_LE, 3, 24, 6, 0, 27648000 }, | |
111 | { 192000, SNDRV_PCM_FORMAT_S16_LE, 4, 24, 6, 0, 27648000 }, | |
112 | { 192000, SNDRV_PCM_FORMAT_S24_LE, 1, 24, 6, 0, 27648000 }, | |
113 | { 192000, SNDRV_PCM_FORMAT_S24_LE, 2, 24, 6, 0, 27648000 }, | |
114 | { 192000, SNDRV_PCM_FORMAT_S24_LE, 3, 24, 6, 0, 27648000 }, | |
115 | { 192000, SNDRV_PCM_FORMAT_S24_LE, 4, 24, 6, 0, 27648000 }, | |
116 | }; | |
117 | ||
118 | static void test_tdm_params_to_bclk_one(struct kunit *test, | |
119 | unsigned int rate, snd_pcm_format_t fmt, | |
120 | unsigned int channels, | |
121 | unsigned int tdm_width, unsigned int tdm_slots, | |
122 | unsigned int slot_multiple, | |
123 | unsigned int expected_bclk) | |
124 | { | |
125 | struct snd_pcm_hw_params params; | |
126 | int got_bclk; | |
127 | ||
128 | _snd_pcm_hw_params_any(¶ms); | |
129 | snd_mask_none(hw_param_mask(¶ms, SNDRV_PCM_HW_PARAM_FORMAT)); | |
130 | hw_param_interval(¶ms, SNDRV_PCM_HW_PARAM_RATE)->min = rate; | |
131 | hw_param_interval(¶ms, SNDRV_PCM_HW_PARAM_RATE)->max = rate; | |
132 | hw_param_interval(¶ms, SNDRV_PCM_HW_PARAM_CHANNELS)->min = channels; | |
133 | hw_param_interval(¶ms, SNDRV_PCM_HW_PARAM_CHANNELS)->max = channels; | |
134 | params_set_format(¶ms, fmt); | |
135 | ||
136 | got_bclk = snd_soc_tdm_params_to_bclk(¶ms, tdm_width, tdm_slots, slot_multiple); | |
137 | pr_debug("%s: r=%u sb=%u ch=%u tw=%u ts=%u sm=%u expected=%u got=%d\n", | |
138 | __func__, | |
139 | rate, params_width(¶ms), channels, tdm_width, tdm_slots, slot_multiple, | |
140 | expected_bclk, got_bclk); | |
141 | KUNIT_ASSERT_EQ(test, expected_bclk, (unsigned int)got_bclk); | |
142 | } | |
143 | ||
144 | static void test_tdm_params_to_bclk(struct kunit *test) | |
145 | { | |
146 | int i; | |
147 | ||
148 | for (i = 0; i < ARRAY_SIZE(tdm_params_to_bclk_cases); ++i) { | |
149 | test_tdm_params_to_bclk_one(test, | |
150 | tdm_params_to_bclk_cases[i].rate, | |
151 | tdm_params_to_bclk_cases[i].fmt, | |
152 | tdm_params_to_bclk_cases[i].channels, | |
153 | tdm_params_to_bclk_cases[i].tdm_width, | |
154 | tdm_params_to_bclk_cases[i].tdm_slots, | |
155 | tdm_params_to_bclk_cases[i].slot_multiple, | |
156 | tdm_params_to_bclk_cases[i].bclk); | |
157 | ||
158 | if (tdm_params_to_bclk_cases[i].slot_multiple > 0) | |
159 | continue; | |
160 | ||
161 | /* Slot multiple 1 should have the same effect as multiple 0 */ | |
162 | test_tdm_params_to_bclk_one(test, | |
163 | tdm_params_to_bclk_cases[i].rate, | |
164 | tdm_params_to_bclk_cases[i].fmt, | |
165 | tdm_params_to_bclk_cases[i].channels, | |
166 | tdm_params_to_bclk_cases[i].tdm_width, | |
167 | tdm_params_to_bclk_cases[i].tdm_slots, | |
168 | 1, | |
169 | tdm_params_to_bclk_cases[i].bclk); | |
170 | } | |
171 | } | |
172 | ||
e32e23a2 RF |
173 | static void test_snd_soc_params_to_bclk_one(struct kunit *test, |
174 | unsigned int rate, snd_pcm_format_t fmt, | |
175 | unsigned int channels, | |
176 | unsigned int expected_bclk) | |
177 | { | |
178 | struct snd_pcm_hw_params params; | |
179 | int got_bclk; | |
180 | ||
181 | _snd_pcm_hw_params_any(¶ms); | |
182 | snd_mask_none(hw_param_mask(¶ms, SNDRV_PCM_HW_PARAM_FORMAT)); | |
183 | hw_param_interval(¶ms, SNDRV_PCM_HW_PARAM_RATE)->min = rate; | |
184 | hw_param_interval(¶ms, SNDRV_PCM_HW_PARAM_RATE)->max = rate; | |
185 | hw_param_interval(¶ms, SNDRV_PCM_HW_PARAM_CHANNELS)->min = channels; | |
186 | hw_param_interval(¶ms, SNDRV_PCM_HW_PARAM_CHANNELS)->max = channels; | |
187 | params_set_format(¶ms, fmt); | |
188 | ||
189 | got_bclk = snd_soc_params_to_bclk(¶ms); | |
190 | pr_debug("%s: r=%u sb=%u ch=%u expected=%u got=%d\n", | |
191 | __func__, | |
192 | rate, params_width(¶ms), channels, expected_bclk, got_bclk); | |
193 | KUNIT_ASSERT_EQ(test, expected_bclk, (unsigned int)got_bclk); | |
194 | } | |
195 | ||
196 | static void test_snd_soc_params_to_bclk(struct kunit *test) | |
197 | { | |
198 | int i; | |
199 | ||
200 | for (i = 0; i < ARRAY_SIZE(tdm_params_to_bclk_cases); ++i) { | |
201 | /* | |
202 | * snd_soc_params_to_bclk() is all the test cases where | |
203 | * snd_pcm_hw_params values are not overridden. | |
204 | */ | |
205 | if (tdm_params_to_bclk_cases[i].tdm_width | | |
206 | tdm_params_to_bclk_cases[i].tdm_slots | | |
207 | tdm_params_to_bclk_cases[i].slot_multiple) | |
208 | continue; | |
209 | ||
210 | test_snd_soc_params_to_bclk_one(test, | |
211 | tdm_params_to_bclk_cases[i].rate, | |
212 | tdm_params_to_bclk_cases[i].fmt, | |
213 | tdm_params_to_bclk_cases[i].channels, | |
214 | tdm_params_to_bclk_cases[i].bclk); | |
215 | } | |
216 | } | |
217 | ||
89342fa3 RF |
218 | static struct kunit_case soc_utils_test_cases[] = { |
219 | KUNIT_CASE(test_tdm_params_to_bclk), | |
e32e23a2 | 220 | KUNIT_CASE(test_snd_soc_params_to_bclk), |
89342fa3 RF |
221 | {} |
222 | }; | |
223 | ||
224 | static struct kunit_suite soc_utils_test_suite = { | |
225 | .name = "soc-utils", | |
226 | .test_cases = soc_utils_test_cases, | |
227 | }; | |
228 | ||
229 | kunit_test_suites(&soc_utils_test_suite); | |
230 | ||
231 | MODULE_DESCRIPTION("ASoC soc-utils kunit test"); | |
232 | MODULE_LICENSE("GPL"); |