183 	unsigned long (*get_bclk_parent_rate)(const struct sun4i_i2s *i2s);
192 	int	(*set_chan_cfg)(const struct sun4i_i2s *i2s,
195 	int	(*set_fmt)(const struct sun4i_i2s *i2s, unsigned int fmt);
265 static unsigned long sun4i_i2s_get_bclk_parent_rate(const struct sun4i_i2s *i2s)  in sun4i_i2s_get_bclk_parent_rate()  argument
267 	return i2s->mclk_freq;  in sun4i_i2s_get_bclk_parent_rate()
270 static unsigned long sun8i_i2s_get_bclk_parent_rate(const struct sun4i_i2s *i2s)  in sun8i_i2s_get_bclk_parent_rate()  argument
272 	return clk_get_rate(i2s->mod_clk);  in sun8i_i2s_get_bclk_parent_rate()
275 static int sun4i_i2s_get_bclk_div(struct sun4i_i2s *i2s,  in sun4i_i2s_get_bclk_div()  argument
281 	const struct sun4i_i2s_clk_div *dividers = i2s->variant->bclk_dividers;  in sun4i_i2s_get_bclk_div()
285 	for (i = 0; i < i2s->variant->num_bclk_dividers; i++) {  in sun4i_i2s_get_bclk_div()
295 static int sun4i_i2s_get_mclk_div(struct sun4i_i2s *i2s,  in sun4i_i2s_get_mclk_div()  argument
299 	const struct sun4i_i2s_clk_div *dividers = i2s->variant->mclk_dividers;  in sun4i_i2s_get_mclk_div()
303 	for (i = 0; i < i2s->variant->num_mclk_dividers; i++) {  in sun4i_i2s_get_mclk_div()
330 	struct sun4i_i2s *i2s = snd_soc_dai_get_drvdata(dai);  in sun4i_i2s_set_clk_rate()  local
362 	ret = clk_set_rate(i2s->mod_clk, clk_rate);  in sun4i_i2s_set_clk_rate()
366 	oversample_rate = i2s->mclk_freq / rate;  in sun4i_i2s_set_clk_rate()
373 	bclk_parent_rate = i2s->variant->get_bclk_parent_rate(i2s);  in sun4i_i2s_set_clk_rate()
374 	bclk_div = sun4i_i2s_get_bclk_div(i2s, bclk_parent_rate,  in sun4i_i2s_set_clk_rate()
381 	mclk_div = sun4i_i2s_get_mclk_div(i2s, clk_rate, i2s->mclk_freq);  in sun4i_i2s_set_clk_rate()
387 	regmap_write(i2s->regmap, SUN4I_I2S_CLK_DIV_REG,  in sun4i_i2s_set_clk_rate()
391 	regmap_field_write(i2s->field_clkdiv_mclk_en, 1);  in sun4i_i2s_set_clk_rate()
448 static int sun4i_i2s_set_chan_cfg(const struct sun4i_i2s *i2s,  in sun4i_i2s_set_chan_cfg()  argument
453 	regmap_write(i2s->regmap, SUN4I_I2S_TX_CHAN_MAP_REG, 0x76543210);  in sun4i_i2s_set_chan_cfg()
454 	regmap_write(i2s->regmap, SUN4I_I2S_RX_CHAN_MAP_REG, 0x00003210);  in sun4i_i2s_set_chan_cfg()
457 	regmap_update_bits(i2s->regmap, SUN4I_I2S_TX_CHAN_SEL_REG,  in sun4i_i2s_set_chan_cfg()
460 	regmap_update_bits(i2s->regmap, SUN4I_I2S_RX_CHAN_SEL_REG,  in sun4i_i2s_set_chan_cfg()
467 static int sun8i_i2s_set_chan_cfg(const struct sun4i_i2s *i2s,  in sun8i_i2s_set_chan_cfg()  argument
474 	regmap_write(i2s->regmap, SUN8I_I2S_TX_CHAN_MAP_REG, 0x76543210);  in sun8i_i2s_set_chan_cfg()
475 	regmap_write(i2s->regmap, SUN8I_I2S_RX_CHAN_MAP_REG, 0x76543210);  in sun8i_i2s_set_chan_cfg()
478 	regmap_update_bits(i2s->regmap, SUN8I_I2S_TX_CHAN_SEL_REG,  in sun8i_i2s_set_chan_cfg()
481 	regmap_update_bits(i2s->regmap, SUN8I_I2S_RX_CHAN_SEL_REG,  in sun8i_i2s_set_chan_cfg()
485 	regmap_update_bits(i2s->regmap, SUN8I_I2S_CHAN_CFG_REG,  in sun8i_i2s_set_chan_cfg()
488 	regmap_update_bits(i2s->regmap, SUN8I_I2S_CHAN_CFG_REG,  in sun8i_i2s_set_chan_cfg()
492 	switch (i2s->format & SND_SOC_DAIFMT_FORMAT_MASK) {  in sun8i_i2s_set_chan_cfg()
508 	regmap_update_bits(i2s->regmap, SUN4I_I2S_FMT0_REG,  in sun8i_i2s_set_chan_cfg()
512 	regmap_update_bits(i2s->regmap, SUN8I_I2S_TX_CHAN_SEL_REG,  in sun8i_i2s_set_chan_cfg()
519 static int sun50i_h6_i2s_set_chan_cfg(const struct sun4i_i2s *i2s,  in sun50i_h6_i2s_set_chan_cfg()  argument
526 	regmap_write(i2s->regmap, SUN50I_H6_I2S_TX_CHAN_MAP0_REG, 0xFEDCBA98);  in sun50i_h6_i2s_set_chan_cfg()
527 	regmap_write(i2s->regmap, SUN50I_H6_I2S_TX_CHAN_MAP1_REG, 0x76543210);  in sun50i_h6_i2s_set_chan_cfg()
528 	regmap_write(i2s->regmap, SUN50I_H6_I2S_RX_CHAN_MAP0_REG, 0xFEDCBA98);  in sun50i_h6_i2s_set_chan_cfg()
529 	regmap_write(i2s->regmap, SUN50I_H6_I2S_RX_CHAN_MAP1_REG, 0x76543210);  in sun50i_h6_i2s_set_chan_cfg()
532 	regmap_update_bits(i2s->regmap, SUN8I_I2S_TX_CHAN_SEL_REG,  in sun50i_h6_i2s_set_chan_cfg()
535 	regmap_update_bits(i2s->regmap, SUN50I_H6_I2S_RX_CHAN_SEL_REG,  in sun50i_h6_i2s_set_chan_cfg()
539 	regmap_update_bits(i2s->regmap, SUN8I_I2S_CHAN_CFG_REG,  in sun50i_h6_i2s_set_chan_cfg()
542 	regmap_update_bits(i2s->regmap, SUN8I_I2S_CHAN_CFG_REG,  in sun50i_h6_i2s_set_chan_cfg()
546 	switch (i2s->format & SND_SOC_DAIFMT_FORMAT_MASK) {  in sun50i_h6_i2s_set_chan_cfg()
562 	regmap_update_bits(i2s->regmap, SUN4I_I2S_FMT0_REG,  in sun50i_h6_i2s_set_chan_cfg()
566 	regmap_update_bits(i2s->regmap, SUN8I_I2S_TX_CHAN_SEL_REG,  in sun50i_h6_i2s_set_chan_cfg()
577 	struct sun4i_i2s *i2s = snd_soc_dai_get_drvdata(dai);  in sun4i_i2s_hw_params()  local
587 	if (i2s->slots)  in sun4i_i2s_hw_params()
588 		slots = i2s->slots;  in sun4i_i2s_hw_params()
590 	if (i2s->slot_width)  in sun4i_i2s_hw_params()
591 		slot_width = i2s->slot_width;  in sun4i_i2s_hw_params()
593 	ret = i2s->variant->set_chan_cfg(i2s, channels, slots, slot_width);  in sun4i_i2s_hw_params()
600 	regmap_update_bits(i2s->regmap, SUN4I_I2S_FIFO_CTRL_REG,  in sun4i_i2s_hw_params()
618 	i2s->playback_dma_data.addr_width = width;  in sun4i_i2s_hw_params()
620 	sr = i2s->variant->get_sr(word_size);  in sun4i_i2s_hw_params()
624 	wss = i2s->variant->get_wss(slot_width);  in sun4i_i2s_hw_params()
628 	regmap_field_write(i2s->field_fmt_wss, wss);  in sun4i_i2s_hw_params()
629 	regmap_field_write(i2s->field_fmt_sr, sr);  in sun4i_i2s_hw_params()
635 static int sun4i_i2s_set_soc_fmt(const struct sun4i_i2s *i2s,  in sun4i_i2s_set_soc_fmt()  argument
662 	regmap_update_bits(i2s->regmap, SUN4I_I2S_FMT0_REG,  in sun4i_i2s_set_soc_fmt()
685 	regmap_update_bits(i2s->regmap, SUN4I_I2S_FMT0_REG,  in sun4i_i2s_set_soc_fmt()
703 	regmap_update_bits(i2s->regmap, SUN4I_I2S_CTRL_REG,  in sun4i_i2s_set_soc_fmt()
709 static int sun8i_i2s_set_soc_fmt(const struct sun4i_i2s *i2s,  in sun8i_i2s_set_soc_fmt()  argument
743 	regmap_update_bits(i2s->regmap, SUN4I_I2S_FMT0_REG,  in sun8i_i2s_set_soc_fmt()
779 	regmap_update_bits(i2s->regmap, SUN4I_I2S_CTRL_REG,  in sun8i_i2s_set_soc_fmt()
781 	regmap_update_bits(i2s->regmap, SUN8I_I2S_TX_CHAN_SEL_REG,  in sun8i_i2s_set_soc_fmt()
784 	regmap_update_bits(i2s->regmap, SUN8I_I2S_RX_CHAN_SEL_REG,  in sun8i_i2s_set_soc_fmt()
804 	regmap_update_bits(i2s->regmap, SUN4I_I2S_CTRL_REG,  in sun8i_i2s_set_soc_fmt()
809 	regmap_update_bits(i2s->regmap, SUN4I_I2S_FMT1_REG,  in sun8i_i2s_set_soc_fmt()
816 static int sun50i_h6_i2s_set_soc_fmt(const struct sun4i_i2s *i2s,  in sun50i_h6_i2s_set_soc_fmt()  argument
850 	regmap_update_bits(i2s->regmap, SUN4I_I2S_FMT0_REG,  in sun50i_h6_i2s_set_soc_fmt()
886 	regmap_update_bits(i2s->regmap, SUN4I_I2S_CTRL_REG,  in sun50i_h6_i2s_set_soc_fmt()
888 	regmap_update_bits(i2s->regmap, SUN8I_I2S_TX_CHAN_SEL_REG,  in sun50i_h6_i2s_set_soc_fmt()
891 	regmap_update_bits(i2s->regmap, SUN50I_H6_I2S_RX_CHAN_SEL_REG,  in sun50i_h6_i2s_set_soc_fmt()
911 	regmap_update_bits(i2s->regmap, SUN4I_I2S_CTRL_REG,  in sun50i_h6_i2s_set_soc_fmt()
916 	regmap_update_bits(i2s->regmap, SUN4I_I2S_FMT1_REG,  in sun50i_h6_i2s_set_soc_fmt()
925 	struct sun4i_i2s *i2s = snd_soc_dai_get_drvdata(dai);  in sun4i_i2s_set_fmt()  local
928 	ret = i2s->variant->set_fmt(i2s, fmt);  in sun4i_i2s_set_fmt()
934 	i2s->format = fmt;  in sun4i_i2s_set_fmt()
939 static void sun4i_i2s_start_capture(struct sun4i_i2s *i2s)  in sun4i_i2s_start_capture()  argument
942 	regmap_update_bits(i2s->regmap, SUN4I_I2S_FIFO_CTRL_REG,  in sun4i_i2s_start_capture()
947 	regmap_write(i2s->regmap, SUN4I_I2S_RX_CNT_REG, 0);  in sun4i_i2s_start_capture()
950 	regmap_update_bits(i2s->regmap, SUN4I_I2S_CTRL_REG,  in sun4i_i2s_start_capture()
955 	regmap_update_bits(i2s->regmap, SUN4I_I2S_DMA_INT_CTRL_REG,  in sun4i_i2s_start_capture()
960 static void sun4i_i2s_start_playback(struct sun4i_i2s *i2s)  in sun4i_i2s_start_playback()  argument
963 	regmap_update_bits(i2s->regmap, SUN4I_I2S_FIFO_CTRL_REG,  in sun4i_i2s_start_playback()
968 	regmap_write(i2s->regmap, SUN4I_I2S_TX_CNT_REG, 0);  in sun4i_i2s_start_playback()
971 	regmap_update_bits(i2s->regmap, SUN4I_I2S_CTRL_REG,  in sun4i_i2s_start_playback()
976 	regmap_update_bits(i2s->regmap, SUN4I_I2S_DMA_INT_CTRL_REG,  in sun4i_i2s_start_playback()
981 static void sun4i_i2s_stop_capture(struct sun4i_i2s *i2s)  in sun4i_i2s_stop_capture()  argument
984 	regmap_update_bits(i2s->regmap, SUN4I_I2S_CTRL_REG,  in sun4i_i2s_stop_capture()
989 	regmap_update_bits(i2s->regmap, SUN4I_I2S_DMA_INT_CTRL_REG,  in sun4i_i2s_stop_capture()
994 static void sun4i_i2s_stop_playback(struct sun4i_i2s *i2s)  in sun4i_i2s_stop_playback()  argument
997 	regmap_update_bits(i2s->regmap, SUN4I_I2S_CTRL_REG,  in sun4i_i2s_stop_playback()
1002 	regmap_update_bits(i2s->regmap, SUN4I_I2S_DMA_INT_CTRL_REG,  in sun4i_i2s_stop_playback()
1010 	struct sun4i_i2s *i2s = snd_soc_dai_get_drvdata(dai);  in sun4i_i2s_trigger()  local
1017 			sun4i_i2s_start_playback(i2s);  in sun4i_i2s_trigger()
1019 			sun4i_i2s_start_capture(i2s);  in sun4i_i2s_trigger()
1026 			sun4i_i2s_stop_playback(i2s);  in sun4i_i2s_trigger()
1028 			sun4i_i2s_stop_capture(i2s);  in sun4i_i2s_trigger()
1041 	struct sun4i_i2s *i2s = snd_soc_dai_get_drvdata(dai);  in sun4i_i2s_set_sysclk()  local
1046 	i2s->mclk_freq = freq;  in sun4i_i2s_set_sysclk()
1055 	struct sun4i_i2s *i2s = snd_soc_dai_get_drvdata(dai);  in sun4i_i2s_set_tdm_slot()  local
1060 	i2s->slots = slots;  in sun4i_i2s_set_tdm_slot()
1061 	i2s->slot_width = slot_width;  in sun4i_i2s_set_tdm_slot()
1076 	struct sun4i_i2s *i2s = snd_soc_dai_get_drvdata(dai);  in sun4i_i2s_dai_probe()  local
1079 				  &i2s->playback_dma_data,  in sun4i_i2s_dai_probe()
1080 				  &i2s->capture_dma_data);  in sun4i_i2s_dai_probe()
1263 	struct sun4i_i2s *i2s = dev_get_drvdata(dev);  in sun4i_i2s_runtime_resume()  local
1266 	ret = clk_prepare_enable(i2s->bus_clk);  in sun4i_i2s_runtime_resume()
1272 	regcache_cache_only(i2s->regmap, false);  in sun4i_i2s_runtime_resume()
1273 	regcache_mark_dirty(i2s->regmap);  in sun4i_i2s_runtime_resume()
1275 	ret = regcache_sync(i2s->regmap);  in sun4i_i2s_runtime_resume()
1282 	regmap_update_bits(i2s->regmap, SUN4I_I2S_CTRL_REG,  in sun4i_i2s_runtime_resume()
1286 	regmap_update_bits(i2s->regmap, SUN4I_I2S_CTRL_REG,  in sun4i_i2s_runtime_resume()
1290 	ret = clk_prepare_enable(i2s->mod_clk);  in sun4i_i2s_runtime_resume()
1299 	clk_disable_unprepare(i2s->bus_clk);  in sun4i_i2s_runtime_resume()
1305 	struct sun4i_i2s *i2s = dev_get_drvdata(dev);  in sun4i_i2s_runtime_suspend()  local
1307 	clk_disable_unprepare(i2s->mod_clk);  in sun4i_i2s_runtime_suspend()
1310 	regmap_update_bits(i2s->regmap, SUN4I_I2S_CTRL_REG,  in sun4i_i2s_runtime_suspend()
1314 	regmap_update_bits(i2s->regmap, SUN4I_I2S_CTRL_REG,  in sun4i_i2s_runtime_suspend()
1317 	regcache_cache_only(i2s->regmap, true);  in sun4i_i2s_runtime_suspend()
1319 	clk_disable_unprepare(i2s->bus_clk);  in sun4i_i2s_runtime_suspend()
1438 					struct sun4i_i2s *i2s)  in sun4i_i2s_init_regmap_fields()  argument
1440 	i2s->field_clkdiv_mclk_en =  in sun4i_i2s_init_regmap_fields()
1441 		devm_regmap_field_alloc(dev, i2s->regmap,  in sun4i_i2s_init_regmap_fields()
1442 					i2s->variant->field_clkdiv_mclk_en);  in sun4i_i2s_init_regmap_fields()
1443 	if (IS_ERR(i2s->field_clkdiv_mclk_en))  in sun4i_i2s_init_regmap_fields()
1444 		return PTR_ERR(i2s->field_clkdiv_mclk_en);  in sun4i_i2s_init_regmap_fields()
1446 	i2s->field_fmt_wss =  in sun4i_i2s_init_regmap_fields()
1447 			devm_regmap_field_alloc(dev, i2s->regmap,  in sun4i_i2s_init_regmap_fields()
1448 						i2s->variant->field_fmt_wss);  in sun4i_i2s_init_regmap_fields()
1449 	if (IS_ERR(i2s->field_fmt_wss))  in sun4i_i2s_init_regmap_fields()
1450 		return PTR_ERR(i2s->field_fmt_wss);  in sun4i_i2s_init_regmap_fields()
1452 	i2s->field_fmt_sr =  in sun4i_i2s_init_regmap_fields()
1453 			devm_regmap_field_alloc(dev, i2s->regmap,  in sun4i_i2s_init_regmap_fields()
1454 						i2s->variant->field_fmt_sr);  in sun4i_i2s_init_regmap_fields()
1455 	if (IS_ERR(i2s->field_fmt_sr))  in sun4i_i2s_init_regmap_fields()
1456 		return PTR_ERR(i2s->field_fmt_sr);  in sun4i_i2s_init_regmap_fields()
1463 	struct sun4i_i2s *i2s;  in sun4i_i2s_probe()  local
1468 	i2s = devm_kzalloc(&pdev->dev, sizeof(*i2s), GFP_KERNEL);  in sun4i_i2s_probe()
1469 	if (!i2s)  in sun4i_i2s_probe()
1471 	platform_set_drvdata(pdev, i2s);  in sun4i_i2s_probe()
1481 	i2s->variant = of_device_get_match_data(&pdev->dev);  in sun4i_i2s_probe()
1482 	if (!i2s->variant) {  in sun4i_i2s_probe()
1487 	i2s->bus_clk = devm_clk_get(&pdev->dev, "apb");  in sun4i_i2s_probe()
1488 	if (IS_ERR(i2s->bus_clk)) {  in sun4i_i2s_probe()
1490 		return PTR_ERR(i2s->bus_clk);  in sun4i_i2s_probe()
1493 	i2s->regmap = devm_regmap_init_mmio(&pdev->dev, regs,  in sun4i_i2s_probe()
1494 					    i2s->variant->sun4i_i2s_regmap);  in sun4i_i2s_probe()
1495 	if (IS_ERR(i2s->regmap)) {  in sun4i_i2s_probe()
1497 		return PTR_ERR(i2s->regmap);  in sun4i_i2s_probe()
1500 	i2s->mod_clk = devm_clk_get(&pdev->dev, "mod");  in sun4i_i2s_probe()
1501 	if (IS_ERR(i2s->mod_clk)) {  in sun4i_i2s_probe()
1503 		return PTR_ERR(i2s->mod_clk);  in sun4i_i2s_probe()
1506 	if (i2s->variant->has_reset) {  in sun4i_i2s_probe()
1507 		i2s->rst = devm_reset_control_get_exclusive(&pdev->dev, NULL);  in sun4i_i2s_probe()
1508 		if (IS_ERR(i2s->rst)) {  in sun4i_i2s_probe()
1510 			return PTR_ERR(i2s->rst);  in sun4i_i2s_probe()
1514 	if (!IS_ERR(i2s->rst)) {  in sun4i_i2s_probe()
1515 		ret = reset_control_deassert(i2s->rst);  in sun4i_i2s_probe()
1523 	i2s->playback_dma_data.addr = res->start +  in sun4i_i2s_probe()
1524 					i2s->variant->reg_offset_txdata;  in sun4i_i2s_probe()
1525 	i2s->playback_dma_data.maxburst = 8;  in sun4i_i2s_probe()
1527 	i2s->capture_dma_data.addr = res->start + SUN4I_I2S_FIFO_RX_REG;  in sun4i_i2s_probe()
1528 	i2s->capture_dma_data.maxburst = 8;  in sun4i_i2s_probe()
1537 	ret = sun4i_i2s_init_regmap_fields(&pdev->dev, i2s);  in sun4i_i2s_probe()
1564 	if (!IS_ERR(i2s->rst))  in sun4i_i2s_probe()
1565 		reset_control_assert(i2s->rst);  in sun4i_i2s_probe()
1572 	struct sun4i_i2s *i2s = dev_get_drvdata(&pdev->dev);  in sun4i_i2s_remove()  local
1578 	if (!IS_ERR(i2s->rst))  in sun4i_i2s_remove()
1579 		reset_control_assert(i2s->rst);  in sun4i_i2s_remove()