183 	/* Register fields for i2s */
196 	unsigned long (*get_bclk_parent_rate)(const struct sun4i_i2s *i2s);
205 	int	(*set_chan_cfg)(const struct sun4i_i2s *i2s,
208 	int	(*set_fmt)(const struct sun4i_i2s *i2s, unsigned int fmt);
225 	/* Register fields for i2s */
278 static unsigned long sun4i_i2s_get_bclk_parent_rate(const struct sun4i_i2s *i2s)  in sun4i_i2s_get_bclk_parent_rate()  argument
280 	return i2s->mclk_freq;  in sun4i_i2s_get_bclk_parent_rate()
283 static unsigned long sun8i_i2s_get_bclk_parent_rate(const struct sun4i_i2s *i2s)  in sun8i_i2s_get_bclk_parent_rate()  argument
285 	return clk_get_rate(i2s->mod_clk);  in sun8i_i2s_get_bclk_parent_rate()
288 static int sun4i_i2s_get_bclk_div(struct sun4i_i2s *i2s,  in sun4i_i2s_get_bclk_div()  argument
294 	const struct sun4i_i2s_clk_div *dividers = i2s->variant->bclk_dividers;  in sun4i_i2s_get_bclk_div()
298 	for (i = 0; i < i2s->variant->num_bclk_dividers; i++) {  in sun4i_i2s_get_bclk_div()
308 static int sun4i_i2s_get_mclk_div(struct sun4i_i2s *i2s,  in sun4i_i2s_get_mclk_div()  argument
312 	const struct sun4i_i2s_clk_div *dividers = i2s->variant->mclk_dividers;  in sun4i_i2s_get_mclk_div()
316 	for (i = 0; i < i2s->variant->num_mclk_dividers; i++) {  in sun4i_i2s_get_mclk_div()
343 	struct sun4i_i2s *i2s = snd_soc_dai_get_drvdata(dai);  in sun4i_i2s_set_clk_rate()  local
375 	ret = clk_set_rate(i2s->mod_clk, clk_rate);  in sun4i_i2s_set_clk_rate()
379 	oversample_rate = i2s->mclk_freq / rate;  in sun4i_i2s_set_clk_rate()
386 	bclk_parent_rate = i2s->variant->get_bclk_parent_rate(i2s);  in sun4i_i2s_set_clk_rate()
387 	bclk_div = sun4i_i2s_get_bclk_div(i2s, bclk_parent_rate,  in sun4i_i2s_set_clk_rate()
394 	mclk_div = sun4i_i2s_get_mclk_div(i2s, clk_rate, i2s->mclk_freq);  in sun4i_i2s_set_clk_rate()
400 	regmap_write(i2s->regmap, SUN4I_I2S_CLK_DIV_REG,  in sun4i_i2s_set_clk_rate()
404 	regmap_field_write(i2s->field_clkdiv_mclk_en, 1);  in sun4i_i2s_set_clk_rate()
461 static int sun4i_i2s_set_chan_cfg(const struct sun4i_i2s *i2s,  in sun4i_i2s_set_chan_cfg()  argument
466 	regmap_write(i2s->regmap, SUN4I_I2S_TX_CHAN_MAP_REG, 0x76543210);  in sun4i_i2s_set_chan_cfg()
467 	regmap_write(i2s->regmap, SUN4I_I2S_RX_CHAN_MAP_REG, 0x00003210);  in sun4i_i2s_set_chan_cfg()
470 	regmap_update_bits(i2s->regmap, SUN4I_I2S_TX_CHAN_SEL_REG,  in sun4i_i2s_set_chan_cfg()
473 	regmap_update_bits(i2s->regmap, SUN4I_I2S_RX_CHAN_SEL_REG,  in sun4i_i2s_set_chan_cfg()
480 static int sun8i_i2s_set_chan_cfg(const struct sun4i_i2s *i2s,  in sun8i_i2s_set_chan_cfg()  argument
487 	regmap_write(i2s->regmap, SUN8I_I2S_TX_CHAN_MAP_REG, 0x76543210);  in sun8i_i2s_set_chan_cfg()
488 	regmap_write(i2s->regmap, SUN8I_I2S_RX_CHAN_MAP_REG, 0x76543210);  in sun8i_i2s_set_chan_cfg()
491 	regmap_update_bits(i2s->regmap, SUN8I_I2S_TX_CHAN_SEL_REG,  in sun8i_i2s_set_chan_cfg()
494 	regmap_update_bits(i2s->regmap, SUN8I_I2S_RX_CHAN_SEL_REG,  in sun8i_i2s_set_chan_cfg()
498 	regmap_update_bits(i2s->regmap, SUN8I_I2S_CHAN_CFG_REG,  in sun8i_i2s_set_chan_cfg()
501 	regmap_update_bits(i2s->regmap, SUN8I_I2S_CHAN_CFG_REG,  in sun8i_i2s_set_chan_cfg()
505 	switch (i2s->format & SND_SOC_DAIFMT_FORMAT_MASK) {  in sun8i_i2s_set_chan_cfg()
521 	regmap_update_bits(i2s->regmap, SUN4I_I2S_FMT0_REG,  in sun8i_i2s_set_chan_cfg()
525 	regmap_update_bits(i2s->regmap, SUN8I_I2S_TX_CHAN_SEL_REG,  in sun8i_i2s_set_chan_cfg()
532 static int sun50i_h6_i2s_set_chan_cfg(const struct sun4i_i2s *i2s,  in sun50i_h6_i2s_set_chan_cfg()  argument
539 	regmap_write(i2s->regmap, SUN50I_H6_I2S_TX_CHAN_MAP0_REG(0), 0xFEDCBA98);  in sun50i_h6_i2s_set_chan_cfg()
540 	regmap_write(i2s->regmap, SUN50I_H6_I2S_TX_CHAN_MAP1_REG(0), 0x76543210);  in sun50i_h6_i2s_set_chan_cfg()
541 	if (i2s->variant->num_din_pins > 1) {  in sun50i_h6_i2s_set_chan_cfg()
542 		regmap_write(i2s->regmap, SUN50I_R329_I2S_RX_CHAN_MAP0_REG, 0x0F0E0D0C);  in sun50i_h6_i2s_set_chan_cfg()
543 		regmap_write(i2s->regmap, SUN50I_R329_I2S_RX_CHAN_MAP1_REG, 0x0B0A0908);  in sun50i_h6_i2s_set_chan_cfg()
544 		regmap_write(i2s->regmap, SUN50I_R329_I2S_RX_CHAN_MAP2_REG, 0x07060504);  in sun50i_h6_i2s_set_chan_cfg()
545 		regmap_write(i2s->regmap, SUN50I_R329_I2S_RX_CHAN_MAP3_REG, 0x03020100);  in sun50i_h6_i2s_set_chan_cfg()
547 		regmap_write(i2s->regmap, SUN50I_H6_I2S_RX_CHAN_MAP0_REG, 0xFEDCBA98);  in sun50i_h6_i2s_set_chan_cfg()
548 		regmap_write(i2s->regmap, SUN50I_H6_I2S_RX_CHAN_MAP1_REG, 0x76543210);  in sun50i_h6_i2s_set_chan_cfg()
552 	regmap_update_bits(i2s->regmap, SUN50I_H6_I2S_TX_CHAN_SEL_REG(0),  in sun50i_h6_i2s_set_chan_cfg()
555 	regmap_update_bits(i2s->regmap, SUN50I_H6_I2S_RX_CHAN_SEL_REG,  in sun50i_h6_i2s_set_chan_cfg()
559 	regmap_update_bits(i2s->regmap, SUN8I_I2S_CHAN_CFG_REG,  in sun50i_h6_i2s_set_chan_cfg()
562 	regmap_update_bits(i2s->regmap, SUN8I_I2S_CHAN_CFG_REG,  in sun50i_h6_i2s_set_chan_cfg()
566 	switch (i2s->format & SND_SOC_DAIFMT_FORMAT_MASK) {  in sun50i_h6_i2s_set_chan_cfg()
582 	regmap_update_bits(i2s->regmap, SUN4I_I2S_FMT0_REG,  in sun50i_h6_i2s_set_chan_cfg()
586 	regmap_update_bits(i2s->regmap, SUN50I_H6_I2S_TX_CHAN_SEL_REG(0),  in sun50i_h6_i2s_set_chan_cfg()
597 	struct sun4i_i2s *i2s = snd_soc_dai_get_drvdata(dai);  in sun4i_i2s_hw_params()  local
607 	if (i2s->slots)  in sun4i_i2s_hw_params()
608 		slots = i2s->slots;  in sun4i_i2s_hw_params()
610 	if (i2s->slot_width)  in sun4i_i2s_hw_params()
611 		slot_width = i2s->slot_width;  in sun4i_i2s_hw_params()
613 	ret = i2s->variant->set_chan_cfg(i2s, channels, slots, slot_width);  in sun4i_i2s_hw_params()
620 	regmap_update_bits(i2s->regmap, SUN4I_I2S_FIFO_CTRL_REG,  in sun4i_i2s_hw_params()
638 	i2s->playback_dma_data.addr_width = width;  in sun4i_i2s_hw_params()
640 	sr = i2s->variant->get_sr(word_size);  in sun4i_i2s_hw_params()
644 	wss = i2s->variant->get_wss(slot_width);  in sun4i_i2s_hw_params()
648 	regmap_field_write(i2s->field_fmt_wss, wss);  in sun4i_i2s_hw_params()
649 	regmap_field_write(i2s->field_fmt_sr, sr);  in sun4i_i2s_hw_params()
655 static int sun4i_i2s_set_soc_fmt(const struct sun4i_i2s *i2s,  in sun4i_i2s_set_soc_fmt()  argument
682 	regmap_update_bits(i2s->regmap, SUN4I_I2S_FMT0_REG,  in sun4i_i2s_set_soc_fmt()
705 	regmap_update_bits(i2s->regmap, SUN4I_I2S_FMT0_REG,  in sun4i_i2s_set_soc_fmt()
723 	regmap_update_bits(i2s->regmap, SUN4I_I2S_CTRL_REG,  in sun4i_i2s_set_soc_fmt()
729 static int sun8i_i2s_set_soc_fmt(const struct sun4i_i2s *i2s,  in sun8i_i2s_set_soc_fmt()  argument
771 	regmap_update_bits(i2s->regmap, SUN4I_I2S_CTRL_REG,  in sun8i_i2s_set_soc_fmt()
773 	regmap_update_bits(i2s->regmap, SUN8I_I2S_TX_CHAN_SEL_REG,  in sun8i_i2s_set_soc_fmt()
776 	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_FMT0_REG,  in sun8i_i2s_set_soc_fmt()
825 	regmap_update_bits(i2s->regmap, SUN4I_I2S_CTRL_REG,  in sun8i_i2s_set_soc_fmt()
830 	regmap_update_bits(i2s->regmap, SUN4I_I2S_FMT1_REG,  in sun8i_i2s_set_soc_fmt()
837 static int sun50i_h6_i2s_set_soc_fmt(const struct sun4i_i2s *i2s,  in sun50i_h6_i2s_set_soc_fmt()  argument
879 	regmap_update_bits(i2s->regmap, SUN4I_I2S_CTRL_REG,  in sun50i_h6_i2s_set_soc_fmt()
881 	regmap_update_bits(i2s->regmap, SUN8I_I2S_TX_CHAN_SEL_REG,  in sun50i_h6_i2s_set_soc_fmt()
884 	regmap_update_bits(i2s->regmap, SUN50I_H6_I2S_RX_CHAN_SEL_REG,  in sun50i_h6_i2s_set_soc_fmt()
912 	regmap_update_bits(i2s->regmap, SUN4I_I2S_FMT0_REG,  in sun50i_h6_i2s_set_soc_fmt()
934 	regmap_update_bits(i2s->regmap, SUN4I_I2S_CTRL_REG,  in sun50i_h6_i2s_set_soc_fmt()
939 	regmap_update_bits(i2s->regmap, SUN4I_I2S_FMT1_REG,  in sun50i_h6_i2s_set_soc_fmt()
948 	struct sun4i_i2s *i2s = snd_soc_dai_get_drvdata(dai);  in sun4i_i2s_set_fmt()  local
951 	ret = i2s->variant->set_fmt(i2s, fmt);  in sun4i_i2s_set_fmt()
957 	i2s->format = fmt;  in sun4i_i2s_set_fmt()
962 static void sun4i_i2s_start_capture(struct sun4i_i2s *i2s)  in sun4i_i2s_start_capture()  argument
965 	regmap_update_bits(i2s->regmap, SUN4I_I2S_FIFO_CTRL_REG,  in sun4i_i2s_start_capture()
970 	regmap_write(i2s->regmap, SUN4I_I2S_RX_CNT_REG, 0);  in sun4i_i2s_start_capture()
973 	regmap_update_bits(i2s->regmap, SUN4I_I2S_CTRL_REG,  in sun4i_i2s_start_capture()
978 	regmap_update_bits(i2s->regmap, SUN4I_I2S_DMA_INT_CTRL_REG,  in sun4i_i2s_start_capture()
983 static void sun4i_i2s_start_playback(struct sun4i_i2s *i2s)  in sun4i_i2s_start_playback()  argument
986 	regmap_update_bits(i2s->regmap, SUN4I_I2S_FIFO_CTRL_REG,  in sun4i_i2s_start_playback()
991 	regmap_write(i2s->regmap, SUN4I_I2S_TX_CNT_REG, 0);  in sun4i_i2s_start_playback()
994 	regmap_update_bits(i2s->regmap, SUN4I_I2S_CTRL_REG,  in sun4i_i2s_start_playback()
999 	regmap_update_bits(i2s->regmap, SUN4I_I2S_DMA_INT_CTRL_REG,  in sun4i_i2s_start_playback()
1004 static void sun4i_i2s_stop_capture(struct sun4i_i2s *i2s)  in sun4i_i2s_stop_capture()  argument
1007 	regmap_update_bits(i2s->regmap, SUN4I_I2S_CTRL_REG,  in sun4i_i2s_stop_capture()
1012 	regmap_update_bits(i2s->regmap, SUN4I_I2S_DMA_INT_CTRL_REG,  in sun4i_i2s_stop_capture()
1017 static void sun4i_i2s_stop_playback(struct sun4i_i2s *i2s)  in sun4i_i2s_stop_playback()  argument
1020 	regmap_update_bits(i2s->regmap, SUN4I_I2S_CTRL_REG,  in sun4i_i2s_stop_playback()
1025 	regmap_update_bits(i2s->regmap, SUN4I_I2S_DMA_INT_CTRL_REG,  in sun4i_i2s_stop_playback()
1033 	struct sun4i_i2s *i2s = snd_soc_dai_get_drvdata(dai);  in sun4i_i2s_trigger()  local
1040 			sun4i_i2s_start_playback(i2s);  in sun4i_i2s_trigger()
1042 			sun4i_i2s_start_capture(i2s);  in sun4i_i2s_trigger()
1049 			sun4i_i2s_stop_playback(i2s);  in sun4i_i2s_trigger()
1051 			sun4i_i2s_stop_capture(i2s);  in sun4i_i2s_trigger()
1064 	struct sun4i_i2s *i2s = snd_soc_dai_get_drvdata(dai);  in sun4i_i2s_set_sysclk()  local
1069 	i2s->mclk_freq = freq;  in sun4i_i2s_set_sysclk()
1078 	struct sun4i_i2s *i2s = snd_soc_dai_get_drvdata(dai);  in sun4i_i2s_set_tdm_slot()  local
1083 	i2s->slots = slots;  in sun4i_i2s_set_tdm_slot()
1084 	i2s->slot_width = slot_width;  in sun4i_i2s_set_tdm_slot()
1091 	struct sun4i_i2s *i2s = snd_soc_dai_get_drvdata(dai);  in sun4i_i2s_dai_probe()  local
1094 				  &i2s->playback_dma_data,  in sun4i_i2s_dai_probe()
1095 				  &i2s->capture_dma_data);  in sun4i_i2s_dai_probe()
1102 	struct sun4i_i2s *i2s = snd_soc_dai_get_drvdata(dai);  in sun4i_i2s_dai_startup()  local
1106 					    i2s->variant->pcm_formats);  in sun4i_i2s_dai_startup()
1298 	struct sun4i_i2s *i2s = dev_get_drvdata(dev);  in sun4i_i2s_runtime_resume()  local
1301 	ret = clk_prepare_enable(i2s->bus_clk);  in sun4i_i2s_runtime_resume()
1307 	regcache_cache_only(i2s->regmap, false);  in sun4i_i2s_runtime_resume()
1308 	regcache_mark_dirty(i2s->regmap);  in sun4i_i2s_runtime_resume()
1310 	ret = regcache_sync(i2s->regmap);  in sun4i_i2s_runtime_resume()
1317 	regmap_update_bits(i2s->regmap, SUN4I_I2S_CTRL_REG,  in sun4i_i2s_runtime_resume()
1321 	regmap_update_bits(i2s->regmap, SUN4I_I2S_CTRL_REG,  in sun4i_i2s_runtime_resume()
1325 	ret = clk_prepare_enable(i2s->mod_clk);  in sun4i_i2s_runtime_resume()
1334 	clk_disable_unprepare(i2s->bus_clk);  in sun4i_i2s_runtime_resume()
1340 	struct sun4i_i2s *i2s = dev_get_drvdata(dev);  in sun4i_i2s_runtime_suspend()  local
1342 	clk_disable_unprepare(i2s->mod_clk);  in sun4i_i2s_runtime_suspend()
1345 	regmap_update_bits(i2s->regmap, SUN4I_I2S_CTRL_REG,  in sun4i_i2s_runtime_suspend()
1349 	regmap_update_bits(i2s->regmap, SUN4I_I2S_CTRL_REG,  in sun4i_i2s_runtime_suspend()
1352 	regcache_cache_only(i2s->regmap, true);  in sun4i_i2s_runtime_suspend()
1354 	clk_disable_unprepare(i2s->bus_clk);  in sun4i_i2s_runtime_suspend()
1402  * datasheet, but the three undocumented I2S controller that use the
1503 					struct sun4i_i2s *i2s)  in sun4i_i2s_init_regmap_fields()  argument
1505 	i2s->field_clkdiv_mclk_en =  in sun4i_i2s_init_regmap_fields()
1506 		devm_regmap_field_alloc(dev, i2s->regmap,  in sun4i_i2s_init_regmap_fields()
1507 					i2s->variant->field_clkdiv_mclk_en);  in sun4i_i2s_init_regmap_fields()
1508 	if (IS_ERR(i2s->field_clkdiv_mclk_en))  in sun4i_i2s_init_regmap_fields()
1509 		return PTR_ERR(i2s->field_clkdiv_mclk_en);  in sun4i_i2s_init_regmap_fields()
1511 	i2s->field_fmt_wss =  in sun4i_i2s_init_regmap_fields()
1512 			devm_regmap_field_alloc(dev, i2s->regmap,  in sun4i_i2s_init_regmap_fields()
1513 						i2s->variant->field_fmt_wss);  in sun4i_i2s_init_regmap_fields()
1514 	if (IS_ERR(i2s->field_fmt_wss))  in sun4i_i2s_init_regmap_fields()
1515 		return PTR_ERR(i2s->field_fmt_wss);  in sun4i_i2s_init_regmap_fields()
1517 	i2s->field_fmt_sr =  in sun4i_i2s_init_regmap_fields()
1518 			devm_regmap_field_alloc(dev, i2s->regmap,  in sun4i_i2s_init_regmap_fields()
1519 						i2s->variant->field_fmt_sr);  in sun4i_i2s_init_regmap_fields()
1520 	if (IS_ERR(i2s->field_fmt_sr))  in sun4i_i2s_init_regmap_fields()
1521 		return PTR_ERR(i2s->field_fmt_sr);  in sun4i_i2s_init_regmap_fields()
1528 	struct sun4i_i2s *i2s;  in sun4i_i2s_probe()  local
1533 	i2s = devm_kzalloc(&pdev->dev, sizeof(*i2s), GFP_KERNEL);  in sun4i_i2s_probe()
1534 	if (!i2s)  in sun4i_i2s_probe()
1536 	platform_set_drvdata(pdev, i2s);  in sun4i_i2s_probe()
1546 	i2s->variant = of_device_get_match_data(&pdev->dev);  in sun4i_i2s_probe()
1547 	if (!i2s->variant) {  in sun4i_i2s_probe()
1552 	i2s->bus_clk = devm_clk_get(&pdev->dev, "apb");  in sun4i_i2s_probe()
1553 	if (IS_ERR(i2s->bus_clk)) {  in sun4i_i2s_probe()
1555 		return PTR_ERR(i2s->bus_clk);  in sun4i_i2s_probe()
1558 	i2s->regmap = devm_regmap_init_mmio(&pdev->dev, regs,  in sun4i_i2s_probe()
1559 					    i2s->variant->sun4i_i2s_regmap);  in sun4i_i2s_probe()
1560 	if (IS_ERR(i2s->regmap)) {  in sun4i_i2s_probe()
1562 		return PTR_ERR(i2s->regmap);  in sun4i_i2s_probe()
1565 	i2s->mod_clk = devm_clk_get(&pdev->dev, "mod");  in sun4i_i2s_probe()
1566 	if (IS_ERR(i2s->mod_clk)) {  in sun4i_i2s_probe()
1568 		return PTR_ERR(i2s->mod_clk);  in sun4i_i2s_probe()
1571 	if (i2s->variant->has_reset) {  in sun4i_i2s_probe()
1572 		i2s->rst = devm_reset_control_get_exclusive(&pdev->dev, NULL);  in sun4i_i2s_probe()
1573 		if (IS_ERR(i2s->rst)) {  in sun4i_i2s_probe()
1575 			return PTR_ERR(i2s->rst);  in sun4i_i2s_probe()
1579 	if (!IS_ERR(i2s->rst)) {  in sun4i_i2s_probe()
1580 		ret = reset_control_deassert(i2s->rst);  in sun4i_i2s_probe()
1588 	i2s->playback_dma_data.addr = res->start +  in sun4i_i2s_probe()
1589 					i2s->variant->reg_offset_txdata;  in sun4i_i2s_probe()
1590 	i2s->playback_dma_data.maxburst = 8;  in sun4i_i2s_probe()
1592 	i2s->capture_dma_data.addr = res->start + SUN4I_I2S_FIFO_RX_REG;  in sun4i_i2s_probe()
1593 	i2s->capture_dma_data.maxburst = 8;  in sun4i_i2s_probe()
1602 	ret = sun4i_i2s_init_regmap_fields(&pdev->dev, i2s);  in sun4i_i2s_probe()
1629 	if (!IS_ERR(i2s->rst))  in sun4i_i2s_probe()
1630 		reset_control_assert(i2s->rst);  in sun4i_i2s_probe()
1637 	struct sun4i_i2s *i2s = dev_get_drvdata(&pdev->dev);  in sun4i_i2s_remove()  local
1643 	if (!IS_ERR(i2s->rst))  in sun4i_i2s_remove()
1644 		reset_control_assert(i2s->rst);  in sun4i_i2s_remove()
1649 		.compatible = "allwinner,sun4i-a10-i2s",
1653 		.compatible = "allwinner,sun6i-a31-i2s",
1657 		.compatible = "allwinner,sun8i-a83t-i2s",
1661 		.compatible = "allwinner,sun8i-h3-i2s",
1665 		.compatible = "allwinner,sun50i-a64-codec-i2s",
1669 		.compatible = "allwinner,sun50i-h6-i2s",
1673 		.compatible = "allwinner,sun50i-r329-i2s",
1689 		.name		= "sun4i-i2s",
1698 MODULE_DESCRIPTION("Allwinner A10 I2S driver");