forked from ~ljy/RK356X_SDK_RELEASE
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hc
2023-12-11 1f93a7dfd1f8d5ff7a5c53246c7534fe2332d6f4 
 kernel/sound/soc/sh/rcar/ssi.c
....@@ -42,7 +42,13 @@
4242 #define	DWL_24		(5 << 19)	/* Data Word Length */
4343 #define	DWL_32		(6 << 19)	/* Data Word Length */
4444 
45
+/*
46
+ * System word length
47
+ */
48
+#define	SWL_16		(1 << 16)	/* R/W System Word Length */
49
+#define	SWL_24		(2 << 16)	/* R/W System Word Length */
4550 #define	SWL_32		(3 << 16)	/* R/W System Word Length */
51
+
4652 #define	SCKD		(1 << 15)	/* Serial Bit Clock Direction */
4753 #define	SWSD		(1 << 14)	/* Serial WS Direction */
4854 #define	SCKP		(1 << 13)	/* Serial Bit Clock Polarity */
....@@ -93,9 +99,7 @@
9399 /* flags */
94100 #define RSND_SSI_CLK_PIN_SHARE		(1 << 0)
95101 #define RSND_SSI_NO_BUSIF		(1 << 1) /* SSI+DMA without BUSIF */
96
-#define RSND_SSI_HDMI0			(1 << 2) /* for HDMI0 */
97
-#define RSND_SSI_HDMI1			(1 << 3) /* for HDMI1 */
98
-#define RSND_SSI_PROBED			(1 << 4)
102
+#define RSND_SSI_PROBED			(1 << 2)
99103 
100104 #define for_each_rsnd_ssi(pos, priv, i)					\
101105 	for (i = 0;							\
....@@ -107,25 +111,13 @@
107111 #define rsnd_ssi_nr(priv) ((priv)->ssi_nr)
108112 #define rsnd_mod_to_ssi(_mod) container_of((_mod), struct rsnd_ssi, mod)
109113 #define rsnd_ssi_is_parent(ssi, io) ((ssi) == rsnd_io_to_mod_ssip(io))
110
-#define rsnd_ssi_is_multi_slave(mod, io) \
111
-	(rsnd_ssi_multi_slaves(io) & (1 << rsnd_mod_id(mod)))
114
+#define rsnd_ssi_is_multi_secondary(mod, io)				\
115
+	(rsnd_ssi_multi_secondaries(io) & (1 << rsnd_mod_id(mod)))
112116 #define rsnd_ssi_is_run_mods(mod, io) \
113117 	(rsnd_ssi_run_mods(io) & (1 << rsnd_mod_id(mod)))
114118 #define rsnd_ssi_can_output_clk(mod) (!__rsnd_ssi_is_pin_sharing(mod))
115119 
116
-int rsnd_ssi_hdmi_port(struct rsnd_dai_stream *io)
117
-{
118
-	struct rsnd_mod *mod = rsnd_io_to_mod_ssi(io);
119
-	struct rsnd_ssi *ssi = rsnd_mod_to_ssi(mod);
120
-
121
-	if (rsnd_flags_has(ssi, RSND_SSI_HDMI0))
122
-		return RSND_SSI_HDMI_PORT0;
123
-
124
-	if (rsnd_flags_has(ssi, RSND_SSI_HDMI1))
125
-		return RSND_SSI_HDMI_PORT1;
126
-
127
-	return 0;
128
-}
120
+static int rsnd_ssi_is_dma_mode(struct rsnd_mod *mod);
129121 
130122 int rsnd_ssi_use_busif(struct rsnd_dai_stream *io)
131123 {
....@@ -170,11 +162,10 @@
170162 		udelay(5);
171163 	}
172164 
173
-	dev_warn(dev, "%s[%d] status check failed\n",
174
-		 rsnd_mod_name(mod), rsnd_mod_id(mod));
165
+	dev_warn(dev, "%s status check failed\n", rsnd_mod_name(mod));
175166 }
176167 
177
-static u32 rsnd_ssi_multi_slaves(struct rsnd_dai_stream *io)
168
+static u32 rsnd_ssi_multi_secondaries(struct rsnd_dai_stream *io)
178169 {
179170 	struct rsnd_mod *mod;
180171 	enum rsnd_mod_type types[] = {
....@@ -202,7 +193,7 @@
202193 	struct rsnd_mod *ssi_parent_mod = rsnd_io_to_mod_ssip(io);
203194 	u32 mods;
204195 
205
-	mods = rsnd_ssi_multi_slaves_runtime(io) |
196
+	mods = rsnd_ssi_multi_secondaries_runtime(io) |
206197 		1 << rsnd_mod_id(ssi_mod);
207198 
208199 	if (ssi_parent_mod)
....@@ -211,22 +202,40 @@
211202 	return mods;
212203 }
213204 
214
-u32 rsnd_ssi_multi_slaves_runtime(struct rsnd_dai_stream *io)
205
+u32 rsnd_ssi_multi_secondaries_runtime(struct rsnd_dai_stream *io)
215206 {
216
-	if (rsnd_runtime_is_ssi_multi(io))
217
-		return rsnd_ssi_multi_slaves(io);
207
+	if (rsnd_runtime_is_multi_ssi(io))
208
+		return rsnd_ssi_multi_secondaries(io);
218209 
219210 	return 0;
220211 }
221212 
222
-unsigned int rsnd_ssi_clk_query(struct rsnd_priv *priv,
213
+static u32 rsnd_rdai_width_to_swl(struct rsnd_dai *rdai)
214
+{
215
+	struct rsnd_priv *priv = rsnd_rdai_to_priv(rdai);
216
+	struct device *dev = rsnd_priv_to_dev(priv);
217
+	int width = rsnd_rdai_width_get(rdai);
218
+
219
+	switch (width) {
220
+	case 32: return SWL_32;
221
+	case 24: return SWL_24;
222
+	case 16: return SWL_16;
223
+	}
224
+
225
+	dev_err(dev, "unsupported slot width value: %d\n", width);
226
+	return 0;
227
+}
228
+
229
+unsigned int rsnd_ssi_clk_query(struct rsnd_dai *rdai,
223230 		       int param1, int param2, int *idx)
224231 {
232
+	struct rsnd_priv *priv = rsnd_rdai_to_priv(rdai);
225233 	int ssi_clk_mul_table[] = {
226234 		1, 2, 4, 8, 16, 6, 12,
227235 	};
228236 	int j, ret;
229237 	unsigned int main_rate;
238
+	int width = rsnd_rdai_width_get(rdai);
230239 
231240 	for (j = 0; j < ARRAY_SIZE(ssi_clk_mul_table); j++) {
232241 
....@@ -239,12 +248,7 @@
239248 		if (j == 0)
240249 			continue;
241250 
242
-		/*
243
-		 * this driver is assuming that
244
-		 * system word is 32bit x chan
245
-		 * see rsnd_ssi_init()
246
-		 */
247
-		main_rate = 32 * param1 * param2 * ssi_clk_mul_table[j];
251
+		main_rate = width * param1 * param2 * ssi_clk_mul_table[j];
248252 
249253 		ret = rsnd_adg_clk_query(priv, main_rate);
250254 		if (ret < 0)
....@@ -279,8 +283,13 @@
279283 	if (!rsnd_ssi_can_output_clk(mod))
280284 		return 0;
281285 
282
-	if (rsnd_ssi_is_multi_slave(mod, io))
286
+	if (rsnd_ssi_is_multi_secondary(mod, io))
283287 		return 0;
288
+
289
+	if (rsnd_runtime_is_tdm_split(io))
290
+		chan = rsnd_io_converted_chan(io);
291
+
292
+	chan = rsnd_channel_normalization(chan);
284293 
285294 	if (ssi->usrcnt > 0) {
286295 		if (ssi->rate != rate) {
....@@ -288,10 +297,15 @@
288297 			return -EINVAL;
289298 		}
290299 
300
+		if (ssi->chan != chan) {
301
+			dev_err(dev, "SSI parent/child should use same chan\n");
302
+			return -EINVAL;
303
+		}
304
+
291305 		return 0;
292306 	}
293307 
294
-	main_rate = rsnd_ssi_clk_query(priv, rate, chan, &idx);
308
+	main_rate = rsnd_ssi_clk_query(rdai, rate, chan, &idx);
295309 	if (!main_rate) {
296310 		dev_err(dev, "unsupported clock rate\n");
297311 		return -EIO;
....@@ -311,13 +325,14 @@
311325 	 * SSICR  : FORCE, SCKD, SWSD
312326 	 * SSIWSR : CONT
313327 	 */
314
-	ssi->cr_clk = FORCE | SWL_32 | SCKD | SWSD | CKDV(idx);
328
+	ssi->cr_clk = FORCE | rsnd_rdai_width_to_swl(rdai) |
329
+			SCKD | SWSD | CKDV(idx);
315330 	ssi->wsr = CONT;
316331 	ssi->rate = rate;
332
+	ssi->chan = chan;
317333 
318
-	dev_dbg(dev, "%s[%d] outputs %u Hz\n",
319
-		rsnd_mod_name(mod),
320
-		rsnd_mod_id(mod), rate);
334
+	dev_dbg(dev, "%s outputs %d chan %u Hz\n",
335
+		rsnd_mod_name(mod), chan, rate);
321336 
322337 	return 0;
323338 }
....@@ -339,6 +354,7 @@
339354 
340355 	ssi->cr_clk	= 0;
341356 	ssi->rate	= 0;
357
+	ssi->chan	= 0;
342358 
343359 	rsnd_adg_ssi_clk_stop(mod);
344360 }
....@@ -347,29 +363,48 @@
347363 				struct rsnd_dai_stream *io)
348364 {
349365 	struct rsnd_dai *rdai = rsnd_io_to_rdai(io);
366
+	struct rsnd_priv *priv = rsnd_rdai_to_priv(rdai);
367
+	struct device *dev = rsnd_priv_to_dev(priv);
350368 	struct snd_pcm_runtime *runtime = rsnd_io_to_runtime(io);
351369 	struct rsnd_ssi *ssi = rsnd_mod_to_ssi(mod);
352370 	u32 cr_own	= ssi->cr_own;
353371 	u32 cr_mode	= ssi->cr_mode;
354372 	u32 wsr		= ssi->wsr;
355
-	int is_tdm;
373
+	int width;
374
+	int is_tdm, is_tdm_split;
375
+	int id = rsnd_mod_id(mod);
376
+	int i;
377
+	u32 sys_int_enable = 0;
356378 
357
-	is_tdm = rsnd_runtime_is_ssi_tdm(io);
379
+	is_tdm		= rsnd_runtime_is_tdm(io);
380
+	is_tdm_split	= rsnd_runtime_is_tdm_split(io);
358381 
359
-	/*
360
-	 * always use 32bit system word.
361
-	 * see also rsnd_ssi_master_clk_enable()
362
-	 */
363
-	cr_own |= FORCE | SWL_32;
382
+	if (is_tdm)
383
+		dev_dbg(dev, "TDM mode\n");
384
+	if (is_tdm_split)
385
+		dev_dbg(dev, "TDM Split mode\n");
386
+
387
+	cr_own |= FORCE | rsnd_rdai_width_to_swl(rdai);
364388 
365389 	if (rdai->bit_clk_inv)
366390 		cr_own |= SCKP;
367
-	if (rdai->frm_clk_inv ^ is_tdm)
391
+	if (rdai->frm_clk_inv && !is_tdm)
368392 		cr_own |= SWSP;
369393 	if (rdai->data_alignment)
370394 		cr_own |= SDTA;
371395 	if (rdai->sys_delay)
372396 		cr_own |= DEL;
397
+
398
+	/*
399
+	 * TDM Mode
400
+	 * see
401
+	 *	rsnd_ssiu_init_gen2()
402
+	 */
403
+	wsr = ssi->wsr;
404
+	if (is_tdm || is_tdm_split) {
405
+		wsr	|= WS_MODE;
406
+		cr_own	|= CHNL_8;
407
+	}
373408 
374409 	/*
375410 	 * We shouldn't exchange SWSP after running.
....@@ -382,12 +417,29 @@
382417 		cr_own |= TRMD;
383418 
384419 	cr_own &= ~DWL_MASK;
385
-	switch (snd_pcm_format_width(runtime->format)) {
420
+	width = snd_pcm_format_width(runtime->format);
421
+	if (is_tdm_split) {
422
+		/*
423
+		 * The SWL and DWL bits in SSICR should be fixed at 32-bit
424
+		 * setting when TDM split mode.
425
+		 * see datasheet
426
+		 *	Operation :: TDM Format Split Function (TDM Split Mode)
427
+		 */
428
+		width = 32;
429
+	}
430
+
431
+	switch (width) {
432
+	case 8:
433
+		cr_own |= DWL_8;
434
+		break;
386435 	case 16:
387436 		cr_own |= DWL_16;
388437 		break;
389438 	case 24:
390439 		cr_own |= DWL_24;
440
+		break;
441
+	case 32:
442
+		cr_own |= DWL_32;
391443 		break;
392444 	}
393445 
....@@ -398,16 +450,38 @@
398450 		cr_mode = DIEN;		/* PIO : enable Data interrupt */
399451 	}
400452 
401
-	/*
402
-	 * TDM Extend Mode
403
-	 * see
404
-	 *	rsnd_ssiu_init_gen2()
405
-	 */
406
-	wsr = ssi->wsr;
407
-	if (is_tdm) {
408
-		wsr	|= WS_MODE;
409
-		cr_own	|= CHNL_8;
453
+	/* enable busif buffer over/under run interrupt. */
454
+	if (is_tdm || is_tdm_split) {
455
+		switch (id) {
456
+		case 0:
457
+		case 1:
458
+		case 2:
459
+		case 3:
460
+		case 4:
461
+			for (i = 0; i < 4; i++) {
462
+				sys_int_enable = rsnd_mod_read(mod,
463
+					SSI_SYS_INT_ENABLE(i * 2));
464
+				sys_int_enable |= 0xf << (id * 4);
465
+				rsnd_mod_write(mod,
466
+					       SSI_SYS_INT_ENABLE(i * 2),
467
+					       sys_int_enable);
468
+			}
469
+
470
+			break;
471
+		case 9:
472
+			for (i = 0; i < 4; i++) {
473
+				sys_int_enable = rsnd_mod_read(mod,
474
+					SSI_SYS_INT_ENABLE((i * 2) + 1));
475
+				sys_int_enable |= 0xf << 4;
476
+				rsnd_mod_write(mod,
477
+					       SSI_SYS_INT_ENABLE((i * 2) + 1),
478
+					       sys_int_enable);
479
+			}
480
+
481
+			break;
482
+		}
410483 	}
484
+
411485 init_end:
412486 	ssi->cr_own	= cr_own;
413487 	ssi->cr_mode	= cr_mode;
....@@ -433,13 +507,20 @@
433507 			 struct rsnd_priv *priv)
434508 {
435509 	struct rsnd_ssi *ssi = rsnd_mod_to_ssi(mod);
510
+	int ret;
436511 
437512 	if (!rsnd_ssi_is_run_mods(mod, io))
438513 		return 0;
439514 
515
+	ret = rsnd_ssi_master_clk_start(mod, io);
516
+	if (ret < 0)
517
+		return ret;
518
+
440519 	ssi->usrcnt++;
441520 
442
-	rsnd_mod_power_on(mod);
521
+	ret = rsnd_mod_power_on(mod);
522
+	if (ret < 0)
523
+		return ret;
443524 
444525 	rsnd_ssi_config_init(mod, io);
445526 
....@@ -457,13 +538,19 @@
457538 {
458539 	struct rsnd_ssi *ssi = rsnd_mod_to_ssi(mod);
459540 	struct device *dev = rsnd_priv_to_dev(priv);
541
+	int is_tdm, is_tdm_split;
542
+	int id = rsnd_mod_id(mod);
543
+	int i;
544
+	u32 sys_int_enable = 0;
545
+
546
+	is_tdm		= rsnd_runtime_is_tdm(io);
547
+	is_tdm_split	= rsnd_runtime_is_tdm_split(io);
460548 
461549 	if (!rsnd_ssi_is_run_mods(mod, io))
462550 		return 0;
463551 
464552 	if (!ssi->usrcnt) {
465
-		dev_err(dev, "%s[%d] usrcnt error\n",
466
-			rsnd_mod_name(mod), rsnd_mod_id(mod));
553
+		dev_err(dev, "%s usrcnt error\n", rsnd_mod_name(mod));
467554 		return -EIO;
468555 	}
469556 
....@@ -479,6 +566,38 @@
479566 		ssi->wsr	= 0;
480567 	}
481568 
569
+	/* disable busif buffer over/under run interrupt. */
570
+	if (is_tdm || is_tdm_split) {
571
+		switch (id) {
572
+		case 0:
573
+		case 1:
574
+		case 2:
575
+		case 3:
576
+		case 4:
577
+			for (i = 0; i < 4; i++) {
578
+				sys_int_enable = rsnd_mod_read(mod,
579
+						SSI_SYS_INT_ENABLE(i * 2));
580
+				sys_int_enable &= ~(0xf << (id * 4));
581
+				rsnd_mod_write(mod,
582
+					       SSI_SYS_INT_ENABLE(i * 2),
583
+					       sys_int_enable);
584
+			}
585
+
586
+			break;
587
+		case 9:
588
+			for (i = 0; i < 4; i++) {
589
+				sys_int_enable = rsnd_mod_read(mod,
590
+					SSI_SYS_INT_ENABLE((i * 2) + 1));
591
+				sys_int_enable &= ~(0xf << 4);
592
+				rsnd_mod_write(mod,
593
+					       SSI_SYS_INT_ENABLE((i * 2) + 1),
594
+					       sys_int_enable);
595
+			}
596
+
597
+			break;
598
+		}
599
+	}
600
+
482601 	return 0;
483602 }
484603 
....@@ -487,26 +606,16 @@
487606 			      struct snd_pcm_substream *substream,
488607 			      struct snd_pcm_hw_params *params)
489608 {
490
-	struct rsnd_ssi *ssi = rsnd_mod_to_ssi(mod);
491
-	int chan = params_channels(params);
609
+	struct rsnd_dai *rdai = rsnd_io_to_rdai(io);
610
+	unsigned int fmt_width = snd_pcm_format_width(params_format(params));
492611 
493
-	/*
494
-	 * snd_pcm_ops::hw_params will be called *before*
495
-	 * snd_soc_dai_ops::trigger. Thus, ssi->usrcnt is 0
496
-	 * in 1st call.
497
-	 */
498
-	if (ssi->usrcnt) {
499
-		/*
500
-		 * Already working.
501
-		 * It will happen if SSI has parent/child connection.
502
-		 * it is error if child <-> parent SSI uses
503
-		 * different channels.
504
-		 */
505
-		if (ssi->chan != chan)
506
-			return -EIO;
612
+	if (fmt_width > rdai->chan_width) {
613
+		struct rsnd_priv *priv = rsnd_io_to_priv(io);
614
+		struct device *dev = rsnd_priv_to_dev(priv);
615
+
616
+		dev_err(dev, "invalid combination of slot-width and format-data-width\n");
617
+		return -EINVAL;
507618 	}
508
-
509
-	ssi->chan = chan;
510619 
511620 	return 0;
512621 }
....@@ -524,7 +633,7 @@
524633 	 * EN will be set via SSIU :: SSI_CONTROL
525634 	 * if Multi channel mode
526635 	 */
527
-	if (rsnd_ssi_multi_slaves_runtime(io))
636
+	if (rsnd_ssi_multi_secondaries_runtime(io))
528637 		return 0;
529638 
530639 	/*
....@@ -573,7 +682,7 @@
573682 	/* In multi-SSI mode, stop is performed by setting ssi0129 in
574683 	 * SSI_CONTROL to 0 (in rsnd_ssio_stop_gen2). Do nothing here.
575684 	 */
576
-	if (rsnd_ssi_multi_slaves_runtime(io))
685
+	if (rsnd_ssi_multi_secondaries_runtime(io))
577686 		return 0;
578687 
579688 	/*
....@@ -594,6 +703,11 @@
594703 			int enable)
595704 {
596705 	u32 val = 0;
706
+	int is_tdm, is_tdm_split;
707
+	int id = rsnd_mod_id(mod);
708
+
709
+	is_tdm		= rsnd_runtime_is_tdm(io);
710
+	is_tdm_split	= rsnd_runtime_is_tdm_split(io);
597711 
598712 	if (rsnd_is_gen1(priv))
599713 		return 0;
....@@ -606,6 +720,19 @@
606720 
607721 	if (enable)
608722 		val = rsnd_ssi_is_dma_mode(mod) ? 0x0e000000 : 0x0f000000;
723
+
724
+	if (is_tdm || is_tdm_split) {
725
+		switch (id) {
726
+		case 0:
727
+		case 1:
728
+		case 2:
729
+		case 3:
730
+		case 4:
731
+		case 9:
732
+			val |= 0x0000ff00;
733
+			break;
734
+		}
735
+	}
609736 
610737 	rsnd_mod_write(mod, SSI_INT_ENABLE, val);
611738 
....@@ -623,6 +750,12 @@
623750 	u32 status;
624751 	bool elapsed = false;
625752 	bool stop = false;
753
+	int id = rsnd_mod_id(mod);
754
+	int i;
755
+	int is_tdm, is_tdm_split;
756
+
757
+	is_tdm		= rsnd_runtime_is_tdm(io);
758
+	is_tdm_split	= rsnd_runtime_is_tdm_split(io);
626759 
627760 	spin_lock(&priv->lock);
628761 
....@@ -638,10 +771,55 @@
638771 
639772 	/* DMA only */
640773 	if (is_dma && (status & (UIRQ | OIRQ))) {
641
-		rsnd_dbg_irq_status(dev, "%s[%d] err status : 0x%08x\n",
642
-			rsnd_mod_name(mod), rsnd_mod_id(mod), status);
774
+		rsnd_dbg_irq_status(dev, "%s err status : 0x%08x\n",
775
+			rsnd_mod_name(mod), status);
643776 
644777 		stop = true;
778
+	}
779
+
780
+	status = 0;
781
+
782
+	if (is_tdm || is_tdm_split) {
783
+		switch (id) {
784
+		case 0:
785
+		case 1:
786
+		case 2:
787
+		case 3:
788
+		case 4:
789
+			for (i = 0; i < 4; i++) {
790
+				status = rsnd_mod_read(mod,
791
+						       SSI_SYS_STATUS(i * 2));
792
+				status &= 0xf << (id * 4);
793
+
794
+				if (status) {
795
+					rsnd_dbg_irq_status(dev,
796
+						"%s err status : 0x%08x\n",
797
+						rsnd_mod_name(mod), status);
798
+					rsnd_mod_write(mod,
799
+						       SSI_SYS_STATUS(i * 2),
800
+						       0xf << (id * 4));
801
+					stop = true;
802
+				}
803
+			}
804
+			break;
805
+		case 9:
806
+			for (i = 0; i < 4; i++) {
807
+				status = rsnd_mod_read(mod,
808
+						SSI_SYS_STATUS((i * 2) + 1));
809
+				status &= 0xf << 4;
810
+
811
+				if (status) {
812
+					rsnd_dbg_irq_status(dev,
813
+						"%s err status : 0x%08x\n",
814
+						rsnd_mod_name(mod), status);
815
+					rsnd_mod_write(mod,
816
+						SSI_SYS_STATUS((i * 2) + 1),
817
+						0xf << 4);
818
+					stop = true;
819
+				}
820
+			}
821
+			break;
822
+		}
645823 	}
646824 
647825 	rsnd_ssi_status_clear(mod);
....@@ -665,6 +843,41 @@
665843 	return IRQ_HANDLED;
666844 }
667845 
846
+static u32 *rsnd_ssi_get_status(struct rsnd_mod *mod,
847
+				struct rsnd_dai_stream *io,
848
+				enum rsnd_mod_type type)
849
+{
850
+	/*
851
+	 * SSIP (= SSI parent) needs to be special, otherwise,
852
+	 * 2nd SSI might doesn't start. see also rsnd_mod_call()
853
+	 *
854
+	 * We can't include parent SSI status on SSI, because we don't know
855
+	 * how many SSI requests parent SSI. Thus, it is localed on "io" now.
856
+	 * ex) trouble case
857
+	 *	Playback: SSI0
858
+	 *	Capture : SSI1 (needs SSI0)
859
+	 *
860
+	 * 1) start Capture  ->	SSI0/SSI1 are started.
861
+	 * 2) start Playback ->	SSI0 doesn't work, because it is already
862
+	 *			marked as "started" on 1)
863
+	 *
864
+	 * OTOH, using each mod's status is good for MUX case.
865
+	 * It doesn't need to start in 2nd start
866
+	 * ex)
867
+	 *	IO-0: SRC0 -> CTU1 -+-> MUX -> DVC -> SSIU -> SSI0
868
+	 *			    |
869
+	 *	IO-1: SRC1 -> CTU2 -+
870
+	 *
871
+	 * 1) start IO-0 ->	start SSI0
872
+	 * 2) start IO-1 ->	SSI0 doesn't need to start, because it is
873
+	 *			already started on 1)
874
+	 */
875
+	if (type == RSND_MOD_SSIP)
876
+		return &io->parent_ssi_status;
877
+
878
+	return rsnd_mod_get_status(mod, io, type);
879
+}
880
+
668881 /*
669882  *		SSI PIO
670883  */
....@@ -680,12 +893,13 @@
680893 	if (!rsnd_rdai_is_clk_master(rdai))
681894 		return;
682895 
683
-	if (rsnd_ssi_is_multi_slave(mod, io))
896
+	if (rsnd_ssi_is_multi_secondary(mod, io))
684897 		return;
685898 
686899 	switch (rsnd_mod_id(mod)) {
687900 	case 1:
688901 	case 2:
902
+	case 9:
689903 		rsnd_dai_connect(rsnd_ssi_mod_get(priv, 0), io, RSND_MOD_SSIP);
690904 		break;
691905 	case 4:
....@@ -717,23 +931,19 @@
717931 {
718932 	struct device *dev = rsnd_priv_to_dev(priv);
719933 	struct rsnd_ssi *ssi = rsnd_mod_to_ssi(mod);
720
-	int ret;
934
+	int ret = 0;
721935 
722936 	/*
723937 	 * SSIP/SSIU/IRQ are not needed on
724
-	 * SSI Multi slaves
938
+	 * SSI Multi secondaries
725939 	 */
726
-	if (rsnd_ssi_is_multi_slave(mod, io))
940
+	if (rsnd_ssi_is_multi_secondary(mod, io))
727941 		return 0;
728942 
729943 	/*
730944 	 * It can't judge ssi parent at this point
731945 	 * see rsnd_ssi_pcm_new()
732946 	 */
733
-
734
-	ret = rsnd_ssiu_attach(io, mod);
735
-	if (ret < 0)
736
-		return ret;
737947 
738948 	/*
739949 	 * SSI might be called again as PIO fallback
....@@ -855,26 +1065,19 @@
8551065 	return 0;
8561066 }
8571067 
858
-static int rsnd_ssi_prepare(struct rsnd_mod *mod,
859
-			    struct rsnd_dai_stream *io,
860
-			    struct rsnd_priv *priv)
861
-{
862
-	return rsnd_ssi_master_clk_start(mod, io);
863
-}
864
-
8651068 static struct rsnd_mod_ops rsnd_ssi_pio_ops = {
866
-	.name	= SSI_NAME,
867
-	.probe	= rsnd_ssi_common_probe,
868
-	.remove	= rsnd_ssi_common_remove,
869
-	.init	= rsnd_ssi_pio_init,
870
-	.quit	= rsnd_ssi_quit,
871
-	.start	= rsnd_ssi_start,
872
-	.stop	= rsnd_ssi_stop,
873
-	.irq	= rsnd_ssi_irq,
874
-	.pointer = rsnd_ssi_pio_pointer,
875
-	.pcm_new = rsnd_ssi_pcm_new,
876
-	.hw_params = rsnd_ssi_hw_params,
877
-	.prepare = rsnd_ssi_prepare,
1069
+	.name		= SSI_NAME,
1070
+	.probe		= rsnd_ssi_common_probe,
1071
+	.remove		= rsnd_ssi_common_remove,
1072
+	.init		= rsnd_ssi_pio_init,
1073
+	.quit		= rsnd_ssi_quit,
1074
+	.start		= rsnd_ssi_start,
1075
+	.stop		= rsnd_ssi_stop,
1076
+	.irq		= rsnd_ssi_irq,
1077
+	.pointer	= rsnd_ssi_pio_pointer,
1078
+	.pcm_new	= rsnd_ssi_pcm_new,
1079
+	.hw_params	= rsnd_ssi_hw_params,
1080
+	.get_status	= rsnd_ssi_get_status,
8781081 };
8791082 
8801083 static int rsnd_ssi_dma_probe(struct rsnd_mod *mod,
....@@ -885,9 +1088,9 @@
8851088 
8861089 	/*
8871090 	 * SSIP/SSIU/IRQ/DMA are not needed on
888
-	 * SSI Multi slaves
1091
+	 * SSI Multi secondaries
8891092 	 */
890
-	if (rsnd_ssi_is_multi_slave(mod, io))
1093
+	if (rsnd_ssi_is_multi_secondary(mod, io))
8911094 		return 0;
8921095 
8931096 	ret = rsnd_ssi_common_probe(mod, io, priv);
....@@ -915,8 +1118,7 @@
9151118 	 */
9161119 	mod->ops = &rsnd_ssi_pio_ops;
9171120 
918
-	dev_info(dev, "%s[%d] fallback to PIO mode\n",
919
-		 rsnd_mod_name(mod), rsnd_mod_id(mod));
1121
+	dev_info(dev, "%s fallback to PIO mode\n", rsnd_mod_name(mod));
9201122 
9211123 	return 0;
9221124 }
....@@ -928,6 +1130,17 @@
9281130 	int is_play = rsnd_io_is_play(io);
9291131 	char *name;
9301132 
1133
+	/*
1134
+	 * It should use "rcar_sound,ssiu" on DT.
1135
+	 * But, we need to keep compatibility for old version.
1136
+	 *
1137
+	 * If it has "rcar_sound.ssiu", it will be used.
1138
+	 * If not, "rcar_sound.ssi" will be used.
1139
+	 * see
1140
+	 *	rsnd_ssiu_dma_req()
1141
+	 *	rsnd_dma_of_path()
1142
+	 */
1143
+
9311144 	if (rsnd_ssi_use_busif(io))
9321145 		name = is_play ? "rxu" : "txu";
9331146 	else
....@@ -938,26 +1151,25 @@
9381151 }
9391152 
9401153 static struct rsnd_mod_ops rsnd_ssi_dma_ops = {
941
-	.name	= SSI_NAME,
942
-	.dma_req = rsnd_ssi_dma_req,
943
-	.probe	= rsnd_ssi_dma_probe,
944
-	.remove	= rsnd_ssi_common_remove,
945
-	.init	= rsnd_ssi_init,
946
-	.quit	= rsnd_ssi_quit,
947
-	.start	= rsnd_ssi_start,
948
-	.stop	= rsnd_ssi_stop,
949
-	.irq	= rsnd_ssi_irq,
950
-	.pcm_new = rsnd_ssi_pcm_new,
951
-	.fallback = rsnd_ssi_fallback,
952
-	.hw_params = rsnd_ssi_hw_params,
953
-	.prepare = rsnd_ssi_prepare,
1154
+	.name		= SSI_NAME,
1155
+	.dma_req	= rsnd_ssi_dma_req,
1156
+	.probe		= rsnd_ssi_dma_probe,
1157
+	.remove		= rsnd_ssi_common_remove,
1158
+	.init		= rsnd_ssi_init,
1159
+	.quit		= rsnd_ssi_quit,
1160
+	.start		= rsnd_ssi_start,
1161
+	.stop		= rsnd_ssi_stop,
1162
+	.irq		= rsnd_ssi_irq,
1163
+	.pcm_new	= rsnd_ssi_pcm_new,
1164
+	.fallback	= rsnd_ssi_fallback,
1165
+	.hw_params	= rsnd_ssi_hw_params,
1166
+	.get_status	= rsnd_ssi_get_status,
9541167 };
9551168 
956
-int rsnd_ssi_is_dma_mode(struct rsnd_mod *mod)
1169
+static int rsnd_ssi_is_dma_mode(struct rsnd_mod *mod)
9571170 {
9581171 	return mod->ops == &rsnd_ssi_dma_ops;
9591172 }
960
-
9611173 
9621174 /*
9631175  *		ssi mod function
....@@ -1014,54 +1226,6 @@
10141226 	of_node_put(node);
10151227 }
10161228 
1017
-static void __rsnd_ssi_parse_hdmi_connection(struct rsnd_priv *priv,
1018
-					     struct rsnd_dai_stream *io,
1019
-					     struct device_node *remote_ep)
1020
-{
1021
-	struct device *dev = rsnd_priv_to_dev(priv);
1022
-	struct rsnd_mod *mod = rsnd_io_to_mod_ssi(io);
1023
-	struct rsnd_ssi *ssi;
1024
-	struct device_node *remote_node = of_graph_get_port_parent(remote_ep);
1025
-
1026
-	/* support Gen3 only */
1027
-	if (!rsnd_is_gen3(priv))
1028
-		return;
1029
-
1030
-	if (!mod)
1031
-		return;
1032
-
1033
-	ssi  = rsnd_mod_to_ssi(mod);
1034
-
1035
-	/* HDMI0 */
1036
-	if (strstr(remote_node->full_name, "hdmi@fead0000")) {
1037
-		rsnd_flags_set(ssi, RSND_SSI_HDMI0);
1038
-		dev_dbg(dev, "%s[%d] connected to HDMI0\n",
1039
-			 rsnd_mod_name(mod), rsnd_mod_id(mod));
1040
-	}
1041
-
1042
-	/* HDMI1 */
1043
-	if (strstr(remote_node->full_name, "hdmi@feae0000")) {
1044
-		rsnd_flags_set(ssi, RSND_SSI_HDMI1);
1045
-		dev_dbg(dev, "%s[%d] connected to HDMI1\n",
1046
-			rsnd_mod_name(mod), rsnd_mod_id(mod));
1047
-	}
1048
-}
1049
-
1050
-void rsnd_ssi_parse_hdmi_connection(struct rsnd_priv *priv,
1051
-				    struct device_node *endpoint,
1052
-				    int dai_i)
1053
-{
1054
-	struct rsnd_dai *rdai = rsnd_rdai_get(priv, dai_i);
1055
-	struct device_node *remote_ep;
1056
-
1057
-	remote_ep = of_graph_get_remote_endpoint(endpoint);
1058
-	if (!remote_ep)
1059
-		return;
1060
-
1061
-	__rsnd_ssi_parse_hdmi_connection(priv, &rdai->playback, remote_ep);
1062
-	__rsnd_ssi_parse_hdmi_connection(priv, &rdai->capture,  remote_ep);
1063
-}
1064
-
10651229 struct rsnd_mod *rsnd_ssi_mod_get(struct rsnd_priv *priv, int id)
10661230 {
10671231 	if (WARN_ON(id < 0 || id >= rsnd_ssi_nr(priv)))
....@@ -1076,41 +1240,6 @@
10761240 		return 0;
10771241 
10781242 	return !!(rsnd_flags_has(rsnd_mod_to_ssi(mod), RSND_SSI_CLK_PIN_SHARE));
1079
-}
1080
-
1081
-static u32 *rsnd_ssi_get_status(struct rsnd_dai_stream *io,
1082
-				struct rsnd_mod *mod,
1083
-				enum rsnd_mod_type type)
1084
-{
1085
-	/*
1086
-	 * SSIP (= SSI parent) needs to be special, otherwise,
1087
-	 * 2nd SSI might doesn't start. see also rsnd_mod_call()
1088
-	 *
1089
-	 * We can't include parent SSI status on SSI, because we don't know
1090
-	 * how many SSI requests parent SSI. Thus, it is localed on "io" now.
1091
-	 * ex) trouble case
1092
-	 *	Playback: SSI0
1093
-	 *	Capture : SSI1 (needs SSI0)
1094
-	 *
1095
-	 * 1) start Capture  ->	SSI0/SSI1 are started.
1096
-	 * 2) start Playback ->	SSI0 doesn't work, because it is already
1097
-	 *			marked as "started" on 1)
1098
-	 *
1099
-	 * OTOH, using each mod's status is good for MUX case.
1100
-	 * It doesn't need to start in 2nd start
1101
-	 * ex)
1102
-	 *	IO-0: SRC0 -> CTU1 -+-> MUX -> DVC -> SSIU -> SSI0
1103
-	 *			    |
1104
-	 *	IO-1: SRC1 -> CTU2 -+
1105
-	 *
1106
-	 * 1) start IO-0 ->	start SSI0
1107
-	 * 2) start IO-1 ->	SSI0 doesn't need to start, because it is
1108
-	 *			already started on 1)
1109
-	 */
1110
-	if (type == RSND_MOD_SSIP)
1111
-		return &io->parent_ssi_status;
1112
-
1113
-	return rsnd_mod_get_status(io, mod, type);
11141243 }
11151244 
11161245 int rsnd_ssi_probe(struct rsnd_priv *priv)
....@@ -1179,7 +1308,7 @@
11791308 			ops = &rsnd_ssi_dma_ops;
11801309 
11811310 		ret = rsnd_mod_init(priv, rsnd_mod_get(ssi), ops, clk,
1182
-				    rsnd_ssi_get_status, RSND_MOD_SSI, i);
1311
+				    RSND_MOD_SSI, i);
11831312 		if (ret) {
11841313 			of_node_put(np);
11851314 			goto rsnd_ssi_probe_done;