src.c (3b7843ff618f63d1776abd71de7eea9130987037) src.c (43cb6954f8c8a68fdc354226fa045ff43c7e4d39)
1/*
2 * Renesas R-Car SRC support
3 *
4 * Copyright (C) 2013 Renesas Solutions Corp.
5 * Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
6 *
7 * This program is free software; you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License version 2 as

--- 8 unchanged lines hidden (view full) ---

17#define OUF_SRCI ((1 << 9) | (1 << 8))
18
19/* SCU_SYSTEM_STATUS0/1 */
20#define OUF_SRC(id) ((1 << (id + 16)) | (1 << id))
21
22struct rsnd_src {
23 struct rsnd_src_platform_info *info; /* rcar_snd.h */
24 struct rsnd_mod mod;
1/*
2 * Renesas R-Car SRC support
3 *
4 * Copyright (C) 2013 Renesas Solutions Corp.
5 * Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
6 *
7 * This program is free software; you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License version 2 as

--- 8 unchanged lines hidden (view full) ---

17#define OUF_SRCI ((1 << 9) | (1 << 8))
18
19/* SCU_SYSTEM_STATUS0/1 */
20#define OUF_SRC(id) ((1 << (id + 16)) | (1 << id))
21
22struct rsnd_src {
23 struct rsnd_src_platform_info *info; /* rcar_snd.h */
24 struct rsnd_mod mod;
25 struct rsnd_kctrl_cfg_s sen; /* sync convert enable */
26 struct rsnd_kctrl_cfg_s sync; /* sync convert */
25 u32 convert_rate; /* sampling rate convert */
26 int err;
27};
28
29#define RSND_SRC_NAME_SIZE 16
30
27 u32 convert_rate; /* sampling rate convert */
28 int err;
29};
30
31#define RSND_SRC_NAME_SIZE 16
32
31#define rsnd_src_convert_rate(s) ((s)->convert_rate)
33#define rsnd_enable_sync_convert(src) ((src)->sen.val)
32#define rsnd_src_of_node(priv) \
33 of_get_child_by_name(rsnd_priv_to_dev(priv)->of_node, "rcar_sound,src")
34
35#define rsnd_mod_to_src(_mod) \
36 container_of((_mod), struct rsnd_src, mod)
37
38#define for_each_rsnd_src(pos, priv, i) \
39 for ((i) = 0; \

--- 188 unchanged lines hidden (view full) ---

228 return 0;
229
230 /* disable SSI interrupt if Gen2 */
231 rsnd_mod_write(ssi_mod, INT_ENABLE, 0x00000000);
232
233 return 0;
234}
235
34#define rsnd_src_of_node(priv) \
35 of_get_child_by_name(rsnd_priv_to_dev(priv)->of_node, "rcar_sound,src")
36
37#define rsnd_mod_to_src(_mod) \
38 container_of((_mod), struct rsnd_src, mod)
39
40#define for_each_rsnd_src(pos, priv, i) \
41 for ((i) = 0; \

--- 188 unchanged lines hidden (view full) ---

230 return 0;
231
232 /* disable SSI interrupt if Gen2 */
233 rsnd_mod_write(ssi_mod, INT_ENABLE, 0x00000000);
234
235 return 0;
236}
237
238static u32 rsnd_src_convert_rate(struct rsnd_src *src)
239{
240 struct rsnd_mod *mod = &src->mod;
241 struct rsnd_dai_stream *io = rsnd_mod_to_io(mod);
242 struct snd_pcm_runtime *runtime = rsnd_io_to_runtime(io);
243 u32 convert_rate;
244
245 if (!runtime)
246 return 0;
247
248 if (!rsnd_enable_sync_convert(src))
249 return src->convert_rate;
250
251 convert_rate = src->sync.val;
252
253 if (!convert_rate)
254 convert_rate = src->convert_rate;
255
256 if (!convert_rate)
257 convert_rate = runtime->rate;
258
259 return convert_rate;
260}
261
236unsigned int rsnd_src_get_ssi_rate(struct rsnd_priv *priv,
237 struct rsnd_dai_stream *io,
238 struct snd_pcm_runtime *runtime)
239{
240 struct rsnd_mod *src_mod = rsnd_io_to_mod_src(io);
241 struct rsnd_src *src;
242 unsigned int rate = 0;
243

--- 84 unchanged lines hidden (view full) ---

328 struct rsnd_priv *priv)
329{
330 struct rsnd_src *src = rsnd_mod_to_src(mod);
331
332 rsnd_mod_hw_start(mod);
333
334 src->err = 0;
335
262unsigned int rsnd_src_get_ssi_rate(struct rsnd_priv *priv,
263 struct rsnd_dai_stream *io,
264 struct snd_pcm_runtime *runtime)
265{
266 struct rsnd_mod *src_mod = rsnd_io_to_mod_src(io);
267 struct rsnd_src *src;
268 unsigned int rate = 0;
269

--- 84 unchanged lines hidden (view full) ---

354 struct rsnd_priv *priv)
355{
356 struct rsnd_src *src = rsnd_mod_to_src(mod);
357
358 rsnd_mod_hw_start(mod);
359
360 src->err = 0;
361
362 /* reset sync convert_rate */
363 src->sync.val = 0;
364
336 /*
337 * Initialize the operation of the SRC internal circuits
338 * see rsnd_src_start()
339 */
340 rsnd_mod_write(mod, SRC_SRCIR, 1);
341
342 return 0;
343}

--- 7 unchanged lines hidden (view full) ---

351 rsnd_mod_hw_stop(mod);
352
353 if (src->err)
354 dev_warn(dev, "%s[%d] under/over flow err = %d\n",
355 rsnd_mod_name(mod), rsnd_mod_id(mod), src->err);
356
357 src->convert_rate = 0;
358
365 /*
366 * Initialize the operation of the SRC internal circuits
367 * see rsnd_src_start()
368 */
369 rsnd_mod_write(mod, SRC_SRCIR, 1);
370
371 return 0;
372}

--- 7 unchanged lines hidden (view full) ---

380 rsnd_mod_hw_stop(mod);
381
382 if (src->err)
383 dev_warn(dev, "%s[%d] under/over flow err = %d\n",
384 rsnd_mod_name(mod), rsnd_mod_id(mod), src->err);
385
386 src->convert_rate = 0;
387
388 /* reset sync convert_rate */
389 src->sync.val = 0;
390
359 return 0;
360}
361
362static int rsnd_src_start(struct rsnd_mod *mod)
363{
364 /*
365 * Cancel the initialization and operate the SRC function
366 * see rsnd_src_init()

--- 300 unchanged lines hidden (view full) ---

667static int rsnd_src_set_convert_rate_gen2(struct rsnd_mod *mod)
668{
669 struct rsnd_priv *priv = rsnd_mod_to_priv(mod);
670 struct device *dev = rsnd_priv_to_dev(priv);
671 struct rsnd_dai_stream *io = rsnd_mod_to_io(mod);
672 struct snd_pcm_runtime *runtime = rsnd_io_to_runtime(io);
673 struct rsnd_src *src = rsnd_mod_to_src(mod);
674 u32 convert_rate = rsnd_src_convert_rate(src);
391 return 0;
392}
393
394static int rsnd_src_start(struct rsnd_mod *mod)
395{
396 /*
397 * Cancel the initialization and operate the SRC function
398 * see rsnd_src_init()

--- 300 unchanged lines hidden (view full) ---

699static int rsnd_src_set_convert_rate_gen2(struct rsnd_mod *mod)
700{
701 struct rsnd_priv *priv = rsnd_mod_to_priv(mod);
702 struct device *dev = rsnd_priv_to_dev(priv);
703 struct rsnd_dai_stream *io = rsnd_mod_to_io(mod);
704 struct snd_pcm_runtime *runtime = rsnd_io_to_runtime(io);
705 struct rsnd_src *src = rsnd_mod_to_src(mod);
706 u32 convert_rate = rsnd_src_convert_rate(src);
707 u32 cr, route;
675 uint ratio;
676 int ret;
677
678 /* 6 - 1/6 are very enough ratio for SRC_BSDSR */
679 if (!convert_rate)
680 ratio = 0;
681 else if (convert_rate > runtime->rate)
682 ratio = 100 * convert_rate / runtime->rate;

--- 4 unchanged lines hidden (view full) ---

687 dev_err(dev, "FSO/FSI ratio error\n");
688 return -EINVAL;
689 }
690
691 ret = rsnd_src_set_convert_rate(mod);
692 if (ret < 0)
693 return ret;
694
708 uint ratio;
709 int ret;
710
711 /* 6 - 1/6 are very enough ratio for SRC_BSDSR */
712 if (!convert_rate)
713 ratio = 0;
714 else if (convert_rate > runtime->rate)
715 ratio = 100 * convert_rate / runtime->rate;

--- 4 unchanged lines hidden (view full) ---

720 dev_err(dev, "FSO/FSI ratio error\n");
721 return -EINVAL;
722 }
723
724 ret = rsnd_src_set_convert_rate(mod);
725 if (ret < 0)
726 return ret;
727
695 rsnd_mod_write(mod, SRC_SRCCR, 0x00011110);
696
728 cr = 0x00011110;
729 route = 0x0;
697 if (convert_rate) {
730 if (convert_rate) {
698 /* Gen1/Gen2 are not compatible */
699 rsnd_mod_write(mod, SRC_ROUTE_MODE0, 1);
731 route = 0x1;
732
733 if (rsnd_enable_sync_convert(src)) {
734 cr |= 0x1;
735 route |= rsnd_io_is_play(io) ?
736 (0x1 << 24) : (0x1 << 25);
737 }
700 }
701
738 }
739
740 rsnd_mod_write(mod, SRC_SRCCR, cr);
741 rsnd_mod_write(mod, SRC_ROUTE_MODE0, route);
742
702 switch (rsnd_mod_id(mod)) {
703 case 5:
704 case 6:
705 case 7:
706 case 8:
707 rsnd_mod_write(mod, SRC_BSDSR, 0x02400000);
708 break;
709 default:

--- 96 unchanged lines hidden (view full) ---

806
807 ret = _rsnd_src_stop_gen2(mod);
808
809 rsnd_dma_stop(rsnd_mod_to_dma(mod));
810
811 return ret;
812}
813
743 switch (rsnd_mod_id(mod)) {
744 case 5:
745 case 6:
746 case 7:
747 case 8:
748 rsnd_mod_write(mod, SRC_BSDSR, 0x02400000);
749 break;
750 default:

--- 96 unchanged lines hidden (view full) ---

847
848 ret = _rsnd_src_stop_gen2(mod);
849
850 rsnd_dma_stop(rsnd_mod_to_dma(mod));
851
852 return ret;
853}
854
855static void rsnd_src_reconvert_update(struct rsnd_mod *mod)
856{
857 struct rsnd_dai_stream *io = rsnd_mod_to_io(mod);
858 struct snd_pcm_runtime *runtime = rsnd_io_to_runtime(io);
859 struct rsnd_src *src = rsnd_mod_to_src(mod);
860 u32 convert_rate = rsnd_src_convert_rate(src);
861 u32 fsrate;
862
863 if (!runtime)
864 return;
865
866 if (!convert_rate)
867 convert_rate = runtime->rate;
868
869 fsrate = 0x0400000 / convert_rate * runtime->rate;
870
871 /* update IFS */
872 rsnd_mod_write(mod, SRC_IFSVR, fsrate);
873}
874
875static int rsnd_src_pcm_new(struct rsnd_mod *mod,
876 struct snd_soc_pcm_runtime *rtd)
877{
878 struct rsnd_priv *priv = rsnd_mod_to_priv(mod);
879 struct rsnd_dai_stream *io = rsnd_mod_to_io(mod);
880 struct rsnd_dai *rdai = rsnd_io_to_rdai(io);
881 struct rsnd_src *src = rsnd_mod_to_src(mod);
882 int ret;
883
884 /*
885 * enable SRC sync convert if possible
886 */
887
888 /*
889 * Gen1 is not supported
890 */
891 if (rsnd_is_gen1(priv))
892 return 0;
893
894 /*
895 * SRC sync convert needs clock master
896 */
897 if (!rsnd_rdai_is_clk_master(rdai))
898 return 0;
899
900 /*
901 * We can't use SRC sync convert
902 * if it has DVC
903 */
904 if (rsnd_io_to_mod_dvc(io))
905 return 0;
906
907 /*
908 * enable sync convert
909 */
910 ret = rsnd_kctrl_new_s(mod, rtd,
911 rsnd_io_is_play(io) ?
912 "SRC Out Rate Switch" :
913 "SRC In Rate Switch",
914 rsnd_src_reconvert_update,
915 &src->sen, 1);
916 if (ret < 0)
917 return ret;
918
919 ret = rsnd_kctrl_new_s(mod, rtd,
920 rsnd_io_is_play(io) ?
921 "SRC Out Rate" :
922 "SRC In Rate",
923 rsnd_src_reconvert_update,
924 &src->sync, 192000);
925
926 return ret;
927}
928
814static struct rsnd_mod_ops rsnd_src_gen2_ops = {
815 .name = SRC_NAME,
816 .dma_req = rsnd_src_dma_req,
817 .probe = rsnd_src_probe_gen2,
818 .remove = rsnd_src_remove_gen2,
819 .init = rsnd_src_init_gen2,
820 .quit = rsnd_src_quit,
821 .start = rsnd_src_start_gen2,
822 .stop = rsnd_src_stop_gen2,
823 .hw_params = rsnd_src_hw_params,
929static struct rsnd_mod_ops rsnd_src_gen2_ops = {
930 .name = SRC_NAME,
931 .dma_req = rsnd_src_dma_req,
932 .probe = rsnd_src_probe_gen2,
933 .remove = rsnd_src_remove_gen2,
934 .init = rsnd_src_init_gen2,
935 .quit = rsnd_src_quit,
936 .start = rsnd_src_start_gen2,
937 .stop = rsnd_src_stop_gen2,
938 .hw_params = rsnd_src_hw_params,
939 .pcm_new = rsnd_src_pcm_new,
824};
825
826struct rsnd_mod *rsnd_src_mod_get(struct rsnd_priv *priv, int id)
827{
828 if (WARN_ON(id < 0 || id >= rsnd_src_nr(priv)))
829 id = 0;
830
831 return &((struct rsnd_src *)(priv->src) + id)->mod;

--- 114 unchanged lines hidden --- 		940};
941
942struct rsnd_mod *rsnd_src_mod_get(struct rsnd_priv *priv, int id)
943{
944 if (WARN_ON(id < 0 || id >= rsnd_src_nr(priv)))
945 id = 0;
946
947 return &((struct rsnd_src *)(priv->src) + id)->mod;

--- 114 unchanged lines hidden ---