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2024-01-31 f70575805708cabdedea7498aaa3f710fde4d920 
 kernel/sound/soc/meson/axg-toddr.c
....@@ -18,12 +18,17 @@
1818 #define CTRL0_TODDR_SEL_RESAMPLE	BIT(30)
1919 #define CTRL0_TODDR_EXT_SIGNED		BIT(29)
2020 #define CTRL0_TODDR_PP_MODE		BIT(28)
21
+#define CTRL0_TODDR_SYNC_CH		BIT(27)
2122 #define CTRL0_TODDR_TYPE_MASK		GENMASK(15, 13)
2223 #define CTRL0_TODDR_TYPE(x)		((x) << 13)
2324 #define CTRL0_TODDR_MSB_POS_MASK	GENMASK(12, 8)
2425 #define CTRL0_TODDR_MSB_POS(x)		((x) << 8)
2526 #define CTRL0_TODDR_LSB_POS_MASK	GENMASK(7, 3)
2627 #define CTRL0_TODDR_LSB_POS(x)		((x) << 3)
28
+#define CTRL1_TODDR_FORCE_FINISH	BIT(25)
29
+#define CTRL1_SEL_SHIFT			28
30
+
31
+#define TODDR_MSB_POS	31
2732 
2833 static int axg_toddr_pcm_new(struct snd_soc_pcm_runtime *rtd,
2934 			     struct snd_soc_dai *dai)
....@@ -31,19 +36,28 @@
3136 	return axg_fifo_pcm_new(rtd, SNDRV_PCM_STREAM_CAPTURE);
3237 }
3338 
39
+static int g12a_toddr_dai_prepare(struct snd_pcm_substream *substream,
40
+				  struct snd_soc_dai *dai)
41
+{
42
+	struct axg_fifo *fifo = snd_soc_dai_get_drvdata(dai);
43
+
44
+	/* Reset the write pointer to the FIFO_INIT_ADDR */
45
+	regmap_update_bits(fifo->map, FIFO_CTRL1,
46
+			   CTRL1_TODDR_FORCE_FINISH, 0);
47
+	regmap_update_bits(fifo->map, FIFO_CTRL1,
48
+			   CTRL1_TODDR_FORCE_FINISH, CTRL1_TODDR_FORCE_FINISH);
49
+	regmap_update_bits(fifo->map, FIFO_CTRL1,
50
+			   CTRL1_TODDR_FORCE_FINISH, 0);
51
+
52
+	return 0;
53
+}
54
+
3455 static int axg_toddr_dai_hw_params(struct snd_pcm_substream *substream,
3556 				   struct snd_pcm_hw_params *params,
3657 				   struct snd_soc_dai *dai)
3758 {
3859 	struct axg_fifo *fifo = snd_soc_dai_get_drvdata(dai);
39
-	unsigned int type, width, msb = 31;
40
-
41
-	/*
42
-	 * NOTE:
43
-	 * Almost all backend will place the MSB at bit 31, except SPDIF Input
44
-	 * which will put it at index 28. When adding support for the SPDIF
45
-	 * Input, we'll need to find which type of backend we are connected to.
46
-	 */
60
+	unsigned int type, width;
4761 
4862 	switch (params_physical_width(params)) {
4963 	case 8:
....@@ -66,8 +80,8 @@
6680 			   CTRL0_TODDR_MSB_POS_MASK |
6781 			   CTRL0_TODDR_LSB_POS_MASK,
6882 			   CTRL0_TODDR_TYPE(type) |
69
-			   CTRL0_TODDR_MSB_POS(msb) |
70
-			   CTRL0_TODDR_LSB_POS(msb - (width - 1)));
83
+			   CTRL0_TODDR_MSB_POS(TODDR_MSB_POS) |
84
+			   CTRL0_TODDR_LSB_POS(TODDR_MSB_POS - (width - 1)));
7185 
7286 	return 0;
7387 }
....@@ -76,7 +90,6 @@
7690 				 struct snd_soc_dai *dai)
7791 {
7892 	struct axg_fifo *fifo = snd_soc_dai_get_drvdata(dai);
79
-	unsigned int fifo_threshold;
8093 	int ret;
8194 
8295 	/* Enable pclk to access registers and clock the fifo ip */
....@@ -93,11 +106,6 @@
93106 
94107 	/* Apply single buffer mode to the interface */
95108 	regmap_update_bits(fifo->map, FIFO_CTRL0, CTRL0_TODDR_PP_MODE, 0);
96
-
97
-	/* TODDR does not have a configurable fifo depth */
98
-	fifo_threshold = AXG_FIFO_MIN_CNT - 1;
99
-	regmap_update_bits(fifo->map, FIFO_CTRL1, CTRL1_THRESHOLD_MASK,
100
-			   CTRL1_THRESHOLD(fifo_threshold));
101109 
102110 	return 0;
103111 }
....@@ -130,16 +138,11 @@
130138 };
131139 
132140 static const char * const axg_toddr_sel_texts[] = {
133
-	"IN 0", "IN 1", "IN 2", "IN 3", "IN 4", "IN 6"
141
+	"IN 0", "IN 1", "IN 2", "IN 3", "IN 4", "IN 5", "IN 6", "IN 7"
134142 };
135143 
136
-static const unsigned int axg_toddr_sel_values[] = {
137
-	0, 1, 2, 3, 4, 6
138
-};
139
-
140
-static SOC_VALUE_ENUM_SINGLE_DECL(axg_toddr_sel_enum, FIFO_CTRL0,
141
-				  CTRL0_SEL_SHIFT, CTRL0_SEL_MASK,
142
-				  axg_toddr_sel_texts, axg_toddr_sel_values);
144
+static SOC_ENUM_SINGLE_DECL(axg_toddr_sel_enum, FIFO_CTRL0, CTRL0_SEL_SHIFT,
145
+			    axg_toddr_sel_texts);
143146 
144147 static const struct snd_kcontrol_new axg_toddr_in_mux =
145148 	SOC_DAPM_ENUM("Input Source", axg_toddr_sel_enum);
....@@ -151,7 +154,9 @@
151154 	SND_SOC_DAPM_AIF_IN("IN 2", NULL, 0, SND_SOC_NOPM, 0, 0),
152155 	SND_SOC_DAPM_AIF_IN("IN 3", NULL, 0, SND_SOC_NOPM, 0, 0),
153156 	SND_SOC_DAPM_AIF_IN("IN 4", NULL, 0, SND_SOC_NOPM, 0, 0),
157
+	SND_SOC_DAPM_AIF_IN("IN 5", NULL, 0, SND_SOC_NOPM, 0, 0),
154158 	SND_SOC_DAPM_AIF_IN("IN 6", NULL, 0, SND_SOC_NOPM, 0, 0),
159
+	SND_SOC_DAPM_AIF_IN("IN 7", NULL, 0, SND_SOC_NOPM, 0, 0),
155160 };
156161 
157162 static const struct snd_soc_dapm_route axg_toddr_dapm_routes[] = {
....@@ -161,7 +166,9 @@
161166 	{ "SRC SEL", "IN 2", "IN 2" },
162167 	{ "SRC SEL", "IN 3", "IN 3" },
163168 	{ "SRC SEL", "IN 4", "IN 4" },
169
+	{ "SRC SEL", "IN 5", "IN 5" },
164170 	{ "SRC SEL", "IN 6", "IN 6" },
171
+	{ "SRC SEL", "IN 7", "IN 7" },
165172 };
166173 
167174 static const struct snd_soc_component_driver axg_toddr_component_drv = {
....@@ -169,18 +176,160 @@
169176 	.num_dapm_widgets	= ARRAY_SIZE(axg_toddr_dapm_widgets),
170177 	.dapm_routes		= axg_toddr_dapm_routes,
171178 	.num_dapm_routes	= ARRAY_SIZE(axg_toddr_dapm_routes),
172
-	.ops			= &axg_fifo_pcm_ops
179
+	.open			= axg_fifo_pcm_open,
180
+	.close			= axg_fifo_pcm_close,
181
+	.hw_params		= axg_fifo_pcm_hw_params,
182
+	.hw_free		= axg_fifo_pcm_hw_free,
183
+	.pointer		= axg_fifo_pcm_pointer,
184
+	.trigger		= axg_fifo_pcm_trigger,
173185 };
174186 
175187 static const struct axg_fifo_match_data axg_toddr_match_data = {
176
-	.component_drv	= &axg_toddr_component_drv,
177
-	.dai_drv	= &axg_toddr_dai_drv
188
+	.field_threshold	= REG_FIELD(FIFO_CTRL1, 16, 23),
189
+	.component_drv		= &axg_toddr_component_drv,
190
+	.dai_drv		= &axg_toddr_dai_drv
191
+};
192
+
193
+static int g12a_toddr_dai_startup(struct snd_pcm_substream *substream,
194
+				 struct snd_soc_dai *dai)
195
+{
196
+	struct axg_fifo *fifo = snd_soc_dai_get_drvdata(dai);
197
+	int ret;
198
+
199
+	ret = axg_toddr_dai_startup(substream, dai);
200
+	if (ret)
201
+		return ret;
202
+
203
+	/*
204
+	 * Make sure the first channel ends up in the at beginning of the output
205
+	 * As weird as it looks, without this the first channel may be misplaced
206
+	 * in memory, with a random shift of 2 channels.
207
+	 */
208
+	regmap_update_bits(fifo->map, FIFO_CTRL0, CTRL0_TODDR_SYNC_CH,
209
+			   CTRL0_TODDR_SYNC_CH);
210
+
211
+	return 0;
212
+}
213
+
214
+static const struct snd_soc_dai_ops g12a_toddr_ops = {
215
+	.prepare	= g12a_toddr_dai_prepare,
216
+	.hw_params	= axg_toddr_dai_hw_params,
217
+	.startup	= g12a_toddr_dai_startup,
218
+	.shutdown	= axg_toddr_dai_shutdown,
219
+};
220
+
221
+static struct snd_soc_dai_driver g12a_toddr_dai_drv = {
222
+	.name = "TODDR",
223
+	.capture = {
224
+		.stream_name	= "Capture",
225
+		.channels_min	= 1,
226
+		.channels_max	= AXG_FIFO_CH_MAX,
227
+		.rates		= AXG_FIFO_RATES,
228
+		.formats	= AXG_FIFO_FORMATS,
229
+	},
230
+	.ops		= &g12a_toddr_ops,
231
+	.pcm_new	= axg_toddr_pcm_new,
232
+};
233
+
234
+static const struct snd_soc_component_driver g12a_toddr_component_drv = {
235
+	.dapm_widgets		= axg_toddr_dapm_widgets,
236
+	.num_dapm_widgets	= ARRAY_SIZE(axg_toddr_dapm_widgets),
237
+	.dapm_routes		= axg_toddr_dapm_routes,
238
+	.num_dapm_routes	= ARRAY_SIZE(axg_toddr_dapm_routes),
239
+	.open			= axg_fifo_pcm_open,
240
+	.close			= axg_fifo_pcm_close,
241
+	.hw_params		= g12a_fifo_pcm_hw_params,
242
+	.hw_free		= axg_fifo_pcm_hw_free,
243
+	.pointer		= axg_fifo_pcm_pointer,
244
+	.trigger		= axg_fifo_pcm_trigger,
245
+};
246
+
247
+static const struct axg_fifo_match_data g12a_toddr_match_data = {
248
+	.field_threshold	= REG_FIELD(FIFO_CTRL1, 16, 23),
249
+	.component_drv		= &g12a_toddr_component_drv,
250
+	.dai_drv		= &g12a_toddr_dai_drv
251
+};
252
+
253
+static const char * const sm1_toddr_sel_texts[] = {
254
+	"IN 0", "IN 1", "IN 2",  "IN 3",  "IN 4",  "IN 5",  "IN 6",  "IN 7",
255
+	"IN 8", "IN 9", "IN 10", "IN 11", "IN 12", "IN 13", "IN 14", "IN 15"
256
+};
257
+
258
+static SOC_ENUM_SINGLE_DECL(sm1_toddr_sel_enum, FIFO_CTRL1, CTRL1_SEL_SHIFT,
259
+			    sm1_toddr_sel_texts);
260
+
261
+static const struct snd_kcontrol_new sm1_toddr_in_mux =
262
+	SOC_DAPM_ENUM("Input Source", sm1_toddr_sel_enum);
263
+
264
+static const struct snd_soc_dapm_widget sm1_toddr_dapm_widgets[] = {
265
+	SND_SOC_DAPM_MUX("SRC SEL", SND_SOC_NOPM, 0, 0, &sm1_toddr_in_mux),
266
+	SND_SOC_DAPM_AIF_IN("IN 0",  NULL, 0, SND_SOC_NOPM, 0, 0),
267
+	SND_SOC_DAPM_AIF_IN("IN 1",  NULL, 0, SND_SOC_NOPM, 0, 0),
268
+	SND_SOC_DAPM_AIF_IN("IN 2",  NULL, 0, SND_SOC_NOPM, 0, 0),
269
+	SND_SOC_DAPM_AIF_IN("IN 3",  NULL, 0, SND_SOC_NOPM, 0, 0),
270
+	SND_SOC_DAPM_AIF_IN("IN 4",  NULL, 0, SND_SOC_NOPM, 0, 0),
271
+	SND_SOC_DAPM_AIF_IN("IN 5",  NULL, 0, SND_SOC_NOPM, 0, 0),
272
+	SND_SOC_DAPM_AIF_IN("IN 6",  NULL, 0, SND_SOC_NOPM, 0, 0),
273
+	SND_SOC_DAPM_AIF_IN("IN 7",  NULL, 0, SND_SOC_NOPM, 0, 0),
274
+	SND_SOC_DAPM_AIF_IN("IN 8",  NULL, 0, SND_SOC_NOPM, 0, 0),
275
+	SND_SOC_DAPM_AIF_IN("IN 9",  NULL, 0, SND_SOC_NOPM, 0, 0),
276
+	SND_SOC_DAPM_AIF_IN("IN 10", NULL, 0, SND_SOC_NOPM, 0, 0),
277
+	SND_SOC_DAPM_AIF_IN("IN 11", NULL, 0, SND_SOC_NOPM, 0, 0),
278
+	SND_SOC_DAPM_AIF_IN("IN 12", NULL, 0, SND_SOC_NOPM, 0, 0),
279
+	SND_SOC_DAPM_AIF_IN("IN 13", NULL, 0, SND_SOC_NOPM, 0, 0),
280
+	SND_SOC_DAPM_AIF_IN("IN 14", NULL, 0, SND_SOC_NOPM, 0, 0),
281
+	SND_SOC_DAPM_AIF_IN("IN 15", NULL, 0, SND_SOC_NOPM, 0, 0),
282
+};
283
+
284
+static const struct snd_soc_dapm_route sm1_toddr_dapm_routes[] = {
285
+	{ "Capture", NULL, "SRC SEL" },
286
+	{ "SRC SEL", "IN 0",  "IN 0" },
287
+	{ "SRC SEL", "IN 1",  "IN 1" },
288
+	{ "SRC SEL", "IN 2",  "IN 2" },
289
+	{ "SRC SEL", "IN 3",  "IN 3" },
290
+	{ "SRC SEL", "IN 4",  "IN 4" },
291
+	{ "SRC SEL", "IN 5",  "IN 5" },
292
+	{ "SRC SEL", "IN 6",  "IN 6" },
293
+	{ "SRC SEL", "IN 7",  "IN 7" },
294
+	{ "SRC SEL", "IN 8",  "IN 8" },
295
+	{ "SRC SEL", "IN 9",  "IN 9" },
296
+	{ "SRC SEL", "IN 10", "IN 10" },
297
+	{ "SRC SEL", "IN 11", "IN 11" },
298
+	{ "SRC SEL", "IN 12", "IN 12" },
299
+	{ "SRC SEL", "IN 13", "IN 13" },
300
+	{ "SRC SEL", "IN 14", "IN 14" },
301
+	{ "SRC SEL", "IN 15", "IN 15" },
302
+};
303
+
304
+static const struct snd_soc_component_driver sm1_toddr_component_drv = {
305
+	.dapm_widgets		= sm1_toddr_dapm_widgets,
306
+	.num_dapm_widgets	= ARRAY_SIZE(sm1_toddr_dapm_widgets),
307
+	.dapm_routes		= sm1_toddr_dapm_routes,
308
+	.num_dapm_routes	= ARRAY_SIZE(sm1_toddr_dapm_routes),
309
+	.open			= axg_fifo_pcm_open,
310
+	.close			= axg_fifo_pcm_close,
311
+	.hw_params		= g12a_fifo_pcm_hw_params,
312
+	.hw_free		= axg_fifo_pcm_hw_free,
313
+	.pointer		= axg_fifo_pcm_pointer,
314
+	.trigger		= axg_fifo_pcm_trigger,
315
+};
316
+
317
+static const struct axg_fifo_match_data sm1_toddr_match_data = {
318
+	.field_threshold	= REG_FIELD(FIFO_CTRL1, 12, 23),
319
+	.component_drv		= &sm1_toddr_component_drv,
320
+	.dai_drv		= &g12a_toddr_dai_drv
178321 };
179322 
180323 static const struct of_device_id axg_toddr_of_match[] = {
181324 	{
182325 		.compatible = "amlogic,axg-toddr",
183326 		.data = &axg_toddr_match_data,
327
+	}, {
328
+		.compatible = "amlogic,g12a-toddr",
329
+		.data = &g12a_toddr_match_data,
330
+	}, {
331
+		.compatible = "amlogic,sm1-toddr",
332
+		.data = &sm1_toddr_match_data,
184333 	}, {}
185334 };
186335 MODULE_DEVICE_TABLE(of, axg_toddr_of_match);