Lines Matching +full:io +full:- +full:width
1 // SPDX-License-Identifier: GPL-2.0
3 // Renesas R-Car SSIU/SSI support
107 ((pos) = ((struct rsnd_ssi *)(priv)->ssi + i)); \
110 #define rsnd_ssi_get(priv, id) ((struct rsnd_ssi *)(priv->ssi) + id)
111 #define rsnd_ssi_nr(priv) ((priv)->ssi_nr)
113 #define rsnd_ssi_is_parent(ssi, io) ((ssi) == rsnd_io_to_mod_ssip(io)) argument
114 #define rsnd_ssi_is_multi_secondary(mod, io) \ argument
115 (rsnd_ssi_multi_secondaries(io) & (1 << rsnd_mod_id(mod)))
116 #define rsnd_ssi_is_run_mods(mod, io) \ argument
117 (rsnd_ssi_run_mods(io) & (1 << rsnd_mod_id(mod)))
120 int rsnd_ssi_use_busif(struct rsnd_dai_stream *io) in rsnd_ssi_use_busif() argument
122 struct rsnd_mod *mod = rsnd_io_to_mod_ssi(io); in rsnd_ssi_use_busif()
131 if (rsnd_io_to_mod_src(io)) in rsnd_ssi_use_busif()
166 static u32 rsnd_ssi_multi_secondaries(struct rsnd_dai_stream *io) in rsnd_ssi_multi_secondaries() argument
177 struct rsnd_mod *mod = rsnd_io_to_mod(io, types[i]); in rsnd_ssi_multi_secondaries()
188 static u32 rsnd_ssi_run_mods(struct rsnd_dai_stream *io) in rsnd_ssi_run_mods() argument
190 struct rsnd_mod *ssi_mod = rsnd_io_to_mod_ssi(io); in rsnd_ssi_run_mods()
191 struct rsnd_mod *ssi_parent_mod = rsnd_io_to_mod_ssip(io); in rsnd_ssi_run_mods()
194 mods = rsnd_ssi_multi_secondaries_runtime(io) | in rsnd_ssi_run_mods()
203 u32 rsnd_ssi_multi_secondaries_runtime(struct rsnd_dai_stream *io) in rsnd_ssi_multi_secondaries_runtime() argument
205 if (rsnd_runtime_is_multi_ssi(io)) in rsnd_ssi_multi_secondaries_runtime()
206 return rsnd_ssi_multi_secondaries(io); in rsnd_ssi_multi_secondaries_runtime()
215 int width = rsnd_rdai_width_get(rdai); in rsnd_rdai_width_to_swl() local
217 switch (width) { in rsnd_rdai_width_to_swl()
223 dev_err(dev, "unsupported slot width value: %d\n", width); in rsnd_rdai_width_to_swl()
236 int width = rsnd_rdai_width_get(rdai); in rsnd_ssi_clk_query() local
249 main_rate = width * param1 * param2 * ssi_clk_mul_table[j]; in rsnd_ssi_clk_query()
265 struct rsnd_dai_stream *io) in rsnd_ssi_master_clk_start() argument
267 struct rsnd_priv *priv = rsnd_io_to_priv(io); in rsnd_ssi_master_clk_start()
269 struct rsnd_dai *rdai = rsnd_io_to_rdai(io); in rsnd_ssi_master_clk_start()
271 int chan = rsnd_runtime_channel_for_ssi(io); in rsnd_ssi_master_clk_start()
274 unsigned int rate = rsnd_io_is_play(io) ? in rsnd_ssi_master_clk_start()
275 rsnd_src_get_out_rate(priv, io) : in rsnd_ssi_master_clk_start()
276 rsnd_src_get_in_rate(priv, io); in rsnd_ssi_master_clk_start()
284 if (rsnd_ssi_is_multi_secondary(mod, io)) in rsnd_ssi_master_clk_start()
287 if (rsnd_runtime_is_tdm_split(io)) in rsnd_ssi_master_clk_start()
288 chan = rsnd_io_converted_chan(io); in rsnd_ssi_master_clk_start()
292 if (ssi->usrcnt > 0) { in rsnd_ssi_master_clk_start()
293 if (ssi->rate != rate) { in rsnd_ssi_master_clk_start()
295 return -EINVAL; in rsnd_ssi_master_clk_start()
298 if (ssi->chan != chan) { in rsnd_ssi_master_clk_start()
300 return -EINVAL; in rsnd_ssi_master_clk_start()
306 ret = -EIO; in rsnd_ssi_master_clk_start()
325 ssi->cr_clk = FORCE | rsnd_rdai_width_to_swl(rdai) | in rsnd_ssi_master_clk_start()
327 ssi->wsr = CONT; in rsnd_ssi_master_clk_start()
328 ssi->rate = rate; in rsnd_ssi_master_clk_start()
329 ssi->chan = chan; in rsnd_ssi_master_clk_start()
342 struct rsnd_dai_stream *io) in rsnd_ssi_master_clk_stop() argument
344 struct rsnd_dai *rdai = rsnd_io_to_rdai(io); in rsnd_ssi_master_clk_stop()
353 if (ssi->usrcnt > 1) in rsnd_ssi_master_clk_stop()
356 ssi->cr_clk = 0; in rsnd_ssi_master_clk_stop()
357 ssi->rate = 0; in rsnd_ssi_master_clk_stop()
358 ssi->chan = 0; in rsnd_ssi_master_clk_stop()
364 struct rsnd_dai_stream *io) in rsnd_ssi_config_init() argument
366 struct rsnd_dai *rdai = rsnd_io_to_rdai(io); in rsnd_ssi_config_init()
369 struct snd_pcm_runtime *runtime = rsnd_io_to_runtime(io); in rsnd_ssi_config_init()
371 u32 cr_own = ssi->cr_own; in rsnd_ssi_config_init()
372 u32 cr_mode = ssi->cr_mode; in rsnd_ssi_config_init()
373 u32 wsr = ssi->wsr; in rsnd_ssi_config_init()
374 int width; in rsnd_ssi_config_init() local
377 is_tdm = rsnd_runtime_is_tdm(io); in rsnd_ssi_config_init()
378 is_tdm_split = rsnd_runtime_is_tdm_split(io); in rsnd_ssi_config_init()
387 if (rdai->bit_clk_inv) in rsnd_ssi_config_init()
389 if (rdai->frm_clk_inv && !is_tdm) in rsnd_ssi_config_init()
391 if (rdai->data_alignment) in rsnd_ssi_config_init()
393 if (rdai->sys_delay) in rsnd_ssi_config_init()
410 if (rsnd_ssi_is_parent(mod, io)) in rsnd_ssi_config_init()
413 if (rsnd_io_is_play(io)) in rsnd_ssi_config_init()
417 width = snd_pcm_format_width(runtime->format); in rsnd_ssi_config_init()
420 * The SWL and DWL bits in SSICR should be fixed at 32-bit in rsnd_ssi_config_init()
425 width = 32; in rsnd_ssi_config_init()
428 switch (width) { in rsnd_ssi_config_init()
451 ssi->cr_own = cr_own; in rsnd_ssi_config_init()
452 ssi->cr_mode = cr_mode; in rsnd_ssi_config_init()
453 ssi->wsr = wsr; in rsnd_ssi_config_init()
460 rsnd_mod_write(mod, SSIWSR, ssi->wsr); in rsnd_ssi_register_setup()
461 rsnd_mod_write(mod, SSICR, ssi->cr_own | in rsnd_ssi_register_setup()
462 ssi->cr_clk | in rsnd_ssi_register_setup()
463 ssi->cr_mode | in rsnd_ssi_register_setup()
464 ssi->cr_en); in rsnd_ssi_register_setup()
471 struct rsnd_dai_stream *io, in rsnd_ssi_init() argument
477 if (!rsnd_ssi_is_run_mods(mod, io)) in rsnd_ssi_init()
480 ret = rsnd_ssi_master_clk_start(mod, io); in rsnd_ssi_init()
484 ssi->usrcnt++; in rsnd_ssi_init()
490 rsnd_ssi_config_init(mod, io); in rsnd_ssi_init()
501 struct rsnd_dai_stream *io, in rsnd_ssi_quit() argument
507 if (!rsnd_ssi_is_run_mods(mod, io)) in rsnd_ssi_quit()
510 if (!ssi->usrcnt) { in rsnd_ssi_quit()
512 return -EIO; in rsnd_ssi_quit()
515 rsnd_ssi_master_clk_stop(mod, io); in rsnd_ssi_quit()
519 ssi->usrcnt--; in rsnd_ssi_quit()
521 if (!ssi->usrcnt) { in rsnd_ssi_quit()
522 ssi->cr_own = 0; in rsnd_ssi_quit()
523 ssi->cr_mode = 0; in rsnd_ssi_quit()
524 ssi->wsr = 0; in rsnd_ssi_quit()
531 struct rsnd_dai_stream *io, in rsnd_ssi_hw_params() argument
535 struct rsnd_dai *rdai = rsnd_io_to_rdai(io); in rsnd_ssi_hw_params()
538 if (fmt_width > rdai->chan_width) { in rsnd_ssi_hw_params()
539 struct rsnd_priv *priv = rsnd_io_to_priv(io); in rsnd_ssi_hw_params()
542 dev_err(dev, "invalid combination of slot-width and format-data-width\n"); in rsnd_ssi_hw_params()
543 return -EINVAL; in rsnd_ssi_hw_params()
550 struct rsnd_dai_stream *io, in rsnd_ssi_start() argument
555 if (!rsnd_ssi_is_run_mods(mod, io)) in rsnd_ssi_start()
562 if (rsnd_ssi_multi_secondaries_runtime(io)) in rsnd_ssi_start()
569 if (rsnd_ssi_is_parent(mod, io)) in rsnd_ssi_start()
572 ssi->cr_en = EN; in rsnd_ssi_start()
574 rsnd_mod_write(mod, SSICR, ssi->cr_own | in rsnd_ssi_start()
575 ssi->cr_clk | in rsnd_ssi_start()
576 ssi->cr_mode | in rsnd_ssi_start()
577 ssi->cr_en); in rsnd_ssi_start()
583 struct rsnd_dai_stream *io, in rsnd_ssi_stop() argument
589 if (!rsnd_ssi_is_run_mods(mod, io)) in rsnd_ssi_stop()
592 if (rsnd_ssi_is_parent(mod, io)) in rsnd_ssi_stop()
595 cr = ssi->cr_own | in rsnd_ssi_stop()
596 ssi->cr_clk; in rsnd_ssi_stop()
603 if (rsnd_io_is_play(io)) { in rsnd_ssi_stop()
604 rsnd_mod_write(mod, SSICR, cr | ssi->cr_en); in rsnd_ssi_stop()
608 /* In multi-SSI mode, stop is performed by setting ssi0129 in in rsnd_ssi_stop()
611 if (rsnd_ssi_multi_secondaries_runtime(io)) in rsnd_ssi_stop()
621 ssi->cr_en = 0; in rsnd_ssi_stop()
627 struct rsnd_dai_stream *io, in rsnd_ssi_irq() argument
635 is_tdm = rsnd_runtime_is_tdm(io); in rsnd_ssi_irq()
636 is_tdm_split = rsnd_runtime_is_tdm_split(io); in rsnd_ssi_irq()
641 if (rsnd_ssi_is_parent(mod, io)) in rsnd_ssi_irq()
644 if (!rsnd_ssi_is_run_mods(mod, io)) in rsnd_ssi_irq()
669 struct rsnd_dai_stream *io);
671 struct rsnd_dai_stream *io) in __rsnd_ssi_interrupt() argument
680 spin_lock(&priv->lock); in __rsnd_ssi_interrupt()
683 if (!rsnd_io_is_working(io)) in __rsnd_ssi_interrupt()
690 elapsed = rsnd_ssi_pio_interrupt(mod, io); in __rsnd_ssi_interrupt()
704 spin_unlock(&priv->lock); in __rsnd_ssi_interrupt()
707 rsnd_dai_period_elapsed(io); in __rsnd_ssi_interrupt()
710 snd_pcm_stop_xrun(io->substream); in __rsnd_ssi_interrupt()
724 struct rsnd_dai_stream *io, in rsnd_ssi_get_status() argument
732 * how many SSI requests parent SSI. Thus, it is localed on "io" now. in rsnd_ssi_get_status()
737 * 1) start Capture -> SSI0/SSI1 are started. in rsnd_ssi_get_status()
738 * 2) start Playback -> SSI0 doesn't work, because it is already in rsnd_ssi_get_status()
744 * IO-0: SRC0 -> CTU1 -+-> MUX -> DVC -> SSIU -> SSI0 in rsnd_ssi_get_status()
746 * IO-1: SRC1 -> CTU2 -+ in rsnd_ssi_get_status()
748 * 1) start IO-0 -> start SSI0 in rsnd_ssi_get_status()
749 * 2) start IO-1 -> SSI0 doesn't need to start, because it is in rsnd_ssi_get_status()
753 return &io->parent_ssi_status; in rsnd_ssi_get_status()
755 return rsnd_mod_get_status(mod, io, type); in rsnd_ssi_get_status()
762 struct rsnd_dai_stream *io) in rsnd_ssi_parent_attach() argument
764 struct rsnd_dai *rdai = rsnd_io_to_rdai(io); in rsnd_ssi_parent_attach()
773 if (rsnd_ssi_is_multi_secondary(mod, io)) in rsnd_ssi_parent_attach()
780 rsnd_dai_connect(rsnd_ssi_mod_get(priv, 0), io, RSND_MOD_SSIP); in rsnd_ssi_parent_attach()
783 rsnd_dai_connect(rsnd_ssi_mod_get(priv, 3), io, RSND_MOD_SSIP); in rsnd_ssi_parent_attach()
786 rsnd_dai_connect(rsnd_ssi_mod_get(priv, 7), io, RSND_MOD_SSIP); in rsnd_ssi_parent_attach()
792 struct rsnd_dai_stream *io, in rsnd_ssi_pcm_new() argument
800 rsnd_ssi_parent_attach(mod, io); in rsnd_ssi_pcm_new()
806 struct rsnd_dai_stream *io, in rsnd_ssi_common_probe() argument
817 if (rsnd_ssi_is_multi_secondary(mod, io)) in rsnd_ssi_common_probe()
832 * mod->status. in rsnd_ssi_common_probe()
837 ret = request_irq(ssi->irq, in rsnd_ssi_common_probe()
849 struct rsnd_dai_stream *io, in rsnd_ssi_common_remove() argument
853 struct rsnd_mod *pure_ssi_mod = rsnd_io_to_mod_ssi(io); in rsnd_ssi_common_remove()
861 free_irq(ssi->irq, mod); in rsnd_ssi_common_remove()
873 struct rsnd_dai_stream *io) in rsnd_ssi_pio_interrupt() argument
875 struct snd_pcm_runtime *runtime = rsnd_io_to_runtime(io); in rsnd_ssi_pio_interrupt()
877 u32 *buf = (u32 *)(runtime->dma_area + ssi->byte_pos); in rsnd_ssi_pio_interrupt()
882 if (snd_pcm_format_width(runtime->format) == 24) in rsnd_ssi_pio_interrupt()
890 if (rsnd_io_is_play(io)) in rsnd_ssi_pio_interrupt()
895 byte_pos = ssi->byte_pos + sizeof(*buf); in rsnd_ssi_pio_interrupt()
897 if (byte_pos >= ssi->next_period_byte) { in rsnd_ssi_pio_interrupt()
898 int period_pos = byte_pos / ssi->byte_per_period; in rsnd_ssi_pio_interrupt()
900 if (period_pos >= runtime->periods) { in rsnd_ssi_pio_interrupt()
905 ssi->next_period_byte = (period_pos + 1) * ssi->byte_per_period; in rsnd_ssi_pio_interrupt()
910 WRITE_ONCE(ssi->byte_pos, byte_pos); in rsnd_ssi_pio_interrupt()
916 struct rsnd_dai_stream *io, in rsnd_ssi_pio_init() argument
919 struct snd_pcm_runtime *runtime = rsnd_io_to_runtime(io); in rsnd_ssi_pio_init()
922 if (!rsnd_ssi_is_parent(mod, io)) { in rsnd_ssi_pio_init()
923 ssi->byte_pos = 0; in rsnd_ssi_pio_init()
924 ssi->byte_per_period = runtime->period_size * in rsnd_ssi_pio_init()
925 runtime->channels * in rsnd_ssi_pio_init()
927 ssi->next_period_byte = ssi->byte_per_period; in rsnd_ssi_pio_init()
930 return rsnd_ssi_init(mod, io, priv); in rsnd_ssi_pio_init()
934 struct rsnd_dai_stream *io, in rsnd_ssi_pio_pointer() argument
938 struct snd_pcm_runtime *runtime = rsnd_io_to_runtime(io); in rsnd_ssi_pio_pointer()
940 *pointer = bytes_to_frames(runtime, READ_ONCE(ssi->byte_pos)); in rsnd_ssi_pio_pointer()
961 struct rsnd_dai_stream *io, in rsnd_ssi_dma_probe() argument
970 if (rsnd_ssi_is_multi_secondary(mod, io)) in rsnd_ssi_dma_probe()
973 ret = rsnd_ssi_common_probe(mod, io, priv); in rsnd_ssi_dma_probe()
978 ret = rsnd_dma_attach(io, mod, &io->dma); in rsnd_ssi_dma_probe()
984 struct rsnd_dai_stream *io, in rsnd_ssi_fallback() argument
996 mod->ops = &rsnd_ssi_pio_ops; in rsnd_ssi_fallback()
1003 static struct dma_chan *rsnd_ssi_dma_req(struct rsnd_dai_stream *io, in rsnd_ssi_dma_req() argument
1007 int is_play = rsnd_io_is_play(io); in rsnd_ssi_dma_req()
1021 if (rsnd_ssi_use_busif(io)) in rsnd_ssi_dma_req()
1032 struct rsnd_dai_stream *io, in rsnd_ssi_debug_info() argument
1035 struct rsnd_dai *rdai = rsnd_io_to_rdai(io); in rsnd_ssi_debug_info()
1040 seq_printf(m, "bit_clk_inv: %d\n", rdai->bit_clk_inv); in rsnd_ssi_debug_info()
1041 seq_printf(m, "frm_clk_inv: %d\n", rdai->frm_clk_inv); in rsnd_ssi_debug_info()
1044 seq_printf(m, "multi secondary: %d\n", rsnd_ssi_is_multi_secondary(mod, io)); in rsnd_ssi_debug_info()
1045 seq_printf(m, "tdm: %d, %d\n", rsnd_runtime_is_tdm(io), in rsnd_ssi_debug_info()
1046 rsnd_runtime_is_tdm_split(io)); in rsnd_ssi_debug_info()
1047 seq_printf(m, "chan: %d\n", ssi->chan); in rsnd_ssi_debug_info()
1048 seq_printf(m, "user: %d\n", ssi->usrcnt); in rsnd_ssi_debug_info()
1077 return mod->ops == &rsnd_ssi_dma_ops; in rsnd_ssi_is_dma_mode()
1084 struct rsnd_dai_stream *io) in rsnd_ssi_connect() argument
1086 struct rsnd_dai *rdai = rsnd_io_to_rdai(io); in rsnd_ssi_connect()
1096 /* try SSI -> SSIM1 -> SSIM2 -> SSIM3 */ in rsnd_ssi_connect()
1099 if (!rsnd_io_to_mod(io, type)) { in rsnd_ssi_connect()
1100 rsnd_dai_connect(mod, io, type); in rsnd_ssi_connect()
1135 rsnd_ssi_connect(mod, &rdai->playback); in rsnd_parse_connect_ssi()
1137 rsnd_ssi_connect(mod, &rdai->capture); in rsnd_parse_connect_ssi()
1173 return -EINVAL; in rsnd_ssi_probe()
1177 ret = -EINVAL; in rsnd_ssi_probe()
1183 ret = -ENOMEM; in rsnd_ssi_probe()
1187 priv->ssi = ssi; in rsnd_ssi_probe()
1188 priv->ssi_nr = nr; in rsnd_ssi_probe()
1197 ret = -EINVAL; in rsnd_ssi_probe()
1214 if (of_property_read_bool(np, "shared-pin")) in rsnd_ssi_probe()
1217 if (of_property_read_bool(np, "no-busif")) in rsnd_ssi_probe()
1220 ssi->irq = irq_of_parse_and_map(np, 0); in rsnd_ssi_probe()
1221 if (!ssi->irq) { in rsnd_ssi_probe()
1222 ret = -EINVAL; in rsnd_ssi_probe()
1227 if (of_property_read_bool(np, "pio-transfer")) in rsnd_ssi_probe()