181 	/* Register fields for i2s */
194 	unsigned long (*get_bclk_parent_rate)(const struct sun4i_i2s *i2s);
203 	int	(*set_chan_cfg)(const struct sun4i_i2s *i2s,
206 	int	(*set_fmt)(const struct sun4i_i2s *i2s, unsigned int fmt);
223 	/* Register fields for i2s */
276 static unsigned long sun4i_i2s_get_bclk_parent_rate(const struct sun4i_i2s *i2s)  in sun4i_i2s_get_bclk_parent_rate()  argument
278 	return i2s->mclk_freq;  in sun4i_i2s_get_bclk_parent_rate()
281 static unsigned long sun8i_i2s_get_bclk_parent_rate(const struct sun4i_i2s *i2s)  in sun8i_i2s_get_bclk_parent_rate()  argument
283 	return clk_get_rate(i2s->mod_clk);  in sun8i_i2s_get_bclk_parent_rate()
286 static int sun4i_i2s_get_bclk_div(struct sun4i_i2s *i2s,  in sun4i_i2s_get_bclk_div()  argument
292 	const struct sun4i_i2s_clk_div *dividers = i2s->variant->bclk_dividers;  in sun4i_i2s_get_bclk_div()
296 	for (i = 0; i < i2s->variant->num_bclk_dividers; i++) {  in sun4i_i2s_get_bclk_div()
306 static int sun4i_i2s_get_mclk_div(struct sun4i_i2s *i2s,  in sun4i_i2s_get_mclk_div()  argument
310 	const struct sun4i_i2s_clk_div *dividers = i2s->variant->mclk_dividers;  in sun4i_i2s_get_mclk_div()
314 	for (i = 0; i < i2s->variant->num_mclk_dividers; i++) {  in sun4i_i2s_get_mclk_div()
341 	struct sun4i_i2s *i2s = snd_soc_dai_get_drvdata(dai);  in sun4i_i2s_set_clk_rate()  local
373 	ret = clk_set_rate(i2s->mod_clk, clk_rate);  in sun4i_i2s_set_clk_rate()
377 	oversample_rate = i2s->mclk_freq / rate;  in sun4i_i2s_set_clk_rate()
384 	bclk_parent_rate = i2s->variant->get_bclk_parent_rate(i2s);  in sun4i_i2s_set_clk_rate()
385 	bclk_div = sun4i_i2s_get_bclk_div(i2s, bclk_parent_rate,  in sun4i_i2s_set_clk_rate()
392 	mclk_div = sun4i_i2s_get_mclk_div(i2s, clk_rate, i2s->mclk_freq);  in sun4i_i2s_set_clk_rate()
398 	regmap_write(i2s->regmap, SUN4I_I2S_CLK_DIV_REG,  in sun4i_i2s_set_clk_rate()
402 	regmap_field_write(i2s->field_clkdiv_mclk_en, 1);  in sun4i_i2s_set_clk_rate()
459 static int sun4i_i2s_set_chan_cfg(const struct sun4i_i2s *i2s,  in sun4i_i2s_set_chan_cfg()  argument
464 	regmap_write(i2s->regmap, SUN4I_I2S_TX_CHAN_MAP_REG, 0x76543210);  in sun4i_i2s_set_chan_cfg()
465 	regmap_write(i2s->regmap, SUN4I_I2S_RX_CHAN_MAP_REG, 0x00003210);  in sun4i_i2s_set_chan_cfg()
468 	regmap_update_bits(i2s->regmap, SUN4I_I2S_TX_CHAN_SEL_REG,  in sun4i_i2s_set_chan_cfg()
471 	regmap_update_bits(i2s->regmap, SUN4I_I2S_RX_CHAN_SEL_REG,  in sun4i_i2s_set_chan_cfg()
478 static int sun8i_i2s_set_chan_cfg(const struct sun4i_i2s *i2s,  in sun8i_i2s_set_chan_cfg()  argument
485 	regmap_write(i2s->regmap, SUN8I_I2S_TX_CHAN_MAP_REG, 0x76543210);  in sun8i_i2s_set_chan_cfg()
486 	regmap_write(i2s->regmap, SUN8I_I2S_RX_CHAN_MAP_REG, 0x76543210);  in sun8i_i2s_set_chan_cfg()
489 	regmap_update_bits(i2s->regmap, SUN8I_I2S_TX_CHAN_SEL_REG,  in sun8i_i2s_set_chan_cfg()
492 	regmap_update_bits(i2s->regmap, SUN8I_I2S_RX_CHAN_SEL_REG,  in sun8i_i2s_set_chan_cfg()
496 	regmap_update_bits(i2s->regmap, SUN8I_I2S_CHAN_CFG_REG,  in sun8i_i2s_set_chan_cfg()
499 	regmap_update_bits(i2s->regmap, SUN8I_I2S_CHAN_CFG_REG,  in sun8i_i2s_set_chan_cfg()
503 	switch (i2s->format & SND_SOC_DAIFMT_FORMAT_MASK) {  in sun8i_i2s_set_chan_cfg()
519 	regmap_update_bits(i2s->regmap, SUN4I_I2S_FMT0_REG,  in sun8i_i2s_set_chan_cfg()
523 	regmap_update_bits(i2s->regmap, SUN8I_I2S_TX_CHAN_SEL_REG,  in sun8i_i2s_set_chan_cfg()
530 static int sun50i_h6_i2s_set_chan_cfg(const struct sun4i_i2s *i2s,  in sun50i_h6_i2s_set_chan_cfg()  argument
537 	regmap_write(i2s->regmap, SUN50I_H6_I2S_TX_CHAN_MAP0_REG(0), 0xFEDCBA98);  in sun50i_h6_i2s_set_chan_cfg()
538 	regmap_write(i2s->regmap, SUN50I_H6_I2S_TX_CHAN_MAP1_REG(0), 0x76543210);  in sun50i_h6_i2s_set_chan_cfg()
539 	if (i2s->variant->num_din_pins > 1) {  in sun50i_h6_i2s_set_chan_cfg()
540 		regmap_write(i2s->regmap, SUN50I_R329_I2S_RX_CHAN_MAP0_REG, 0x0F0E0D0C);  in sun50i_h6_i2s_set_chan_cfg()
541 		regmap_write(i2s->regmap, SUN50I_R329_I2S_RX_CHAN_MAP1_REG, 0x0B0A0908);  in sun50i_h6_i2s_set_chan_cfg()
542 		regmap_write(i2s->regmap, SUN50I_R329_I2S_RX_CHAN_MAP2_REG, 0x07060504);  in sun50i_h6_i2s_set_chan_cfg()
543 		regmap_write(i2s->regmap, SUN50I_R329_I2S_RX_CHAN_MAP3_REG, 0x03020100);  in sun50i_h6_i2s_set_chan_cfg()
545 		regmap_write(i2s->regmap, SUN50I_H6_I2S_RX_CHAN_MAP0_REG, 0xFEDCBA98);  in sun50i_h6_i2s_set_chan_cfg()
546 		regmap_write(i2s->regmap, SUN50I_H6_I2S_RX_CHAN_MAP1_REG, 0x76543210);  in sun50i_h6_i2s_set_chan_cfg()
550 	regmap_update_bits(i2s->regmap, SUN50I_H6_I2S_TX_CHAN_SEL_REG(0),  in sun50i_h6_i2s_set_chan_cfg()
553 	regmap_update_bits(i2s->regmap, SUN50I_H6_I2S_RX_CHAN_SEL_REG,  in sun50i_h6_i2s_set_chan_cfg()
557 	regmap_update_bits(i2s->regmap, SUN8I_I2S_CHAN_CFG_REG,  in sun50i_h6_i2s_set_chan_cfg()
560 	regmap_update_bits(i2s->regmap, SUN8I_I2S_CHAN_CFG_REG,  in sun50i_h6_i2s_set_chan_cfg()
564 	switch (i2s->format & SND_SOC_DAIFMT_FORMAT_MASK) {  in sun50i_h6_i2s_set_chan_cfg()
580 	regmap_update_bits(i2s->regmap, SUN4I_I2S_FMT0_REG,  in sun50i_h6_i2s_set_chan_cfg()
584 	regmap_update_bits(i2s->regmap, SUN50I_H6_I2S_TX_CHAN_SEL_REG(0),  in sun50i_h6_i2s_set_chan_cfg()
595 	struct sun4i_i2s *i2s = snd_soc_dai_get_drvdata(dai);  in sun4i_i2s_hw_params()  local
605 	if (i2s->slots)  in sun4i_i2s_hw_params()
606 		slots = i2s->slots;  in sun4i_i2s_hw_params()
608 	if (i2s->slot_width)  in sun4i_i2s_hw_params()
609 		slot_width = i2s->slot_width;  in sun4i_i2s_hw_params()
611 	ret = i2s->variant->set_chan_cfg(i2s, channels, slots, slot_width);  in sun4i_i2s_hw_params()
618 	regmap_update_bits(i2s->regmap, SUN4I_I2S_FIFO_CTRL_REG,  in sun4i_i2s_hw_params()
636 	i2s->playback_dma_data.addr_width = width;  in sun4i_i2s_hw_params()
638 	sr = i2s->variant->get_sr(word_size);  in sun4i_i2s_hw_params()
642 	wss = i2s->variant->get_wss(slot_width);  in sun4i_i2s_hw_params()
646 	regmap_field_write(i2s->field_fmt_wss, wss);  in sun4i_i2s_hw_params()
647 	regmap_field_write(i2s->field_fmt_sr, sr);  in sun4i_i2s_hw_params()
653 static int sun4i_i2s_set_soc_fmt(const struct sun4i_i2s *i2s,  in sun4i_i2s_set_soc_fmt()  argument
680 	regmap_update_bits(i2s->regmap, SUN4I_I2S_FMT0_REG,  in sun4i_i2s_set_soc_fmt()
703 	regmap_update_bits(i2s->regmap, SUN4I_I2S_FMT0_REG,  in sun4i_i2s_set_soc_fmt()
721 	regmap_update_bits(i2s->regmap, SUN4I_I2S_CTRL_REG,  in sun4i_i2s_set_soc_fmt()
727 static int sun8i_i2s_set_soc_fmt(const struct sun4i_i2s *i2s,  in sun8i_i2s_set_soc_fmt()  argument
761 	regmap_update_bits(i2s->regmap, SUN4I_I2S_FMT0_REG,  in sun8i_i2s_set_soc_fmt()
797 	regmap_update_bits(i2s->regmap, SUN4I_I2S_CTRL_REG,  in sun8i_i2s_set_soc_fmt()
799 	regmap_update_bits(i2s->regmap, SUN8I_I2S_TX_CHAN_SEL_REG,  in sun8i_i2s_set_soc_fmt()
802 	regmap_update_bits(i2s->regmap, SUN8I_I2S_RX_CHAN_SEL_REG,  in sun8i_i2s_set_soc_fmt()
822 	regmap_update_bits(i2s->regmap, SUN4I_I2S_CTRL_REG,  in sun8i_i2s_set_soc_fmt()
827 	regmap_update_bits(i2s->regmap, SUN4I_I2S_FMT1_REG,  in sun8i_i2s_set_soc_fmt()
834 static int sun50i_h6_i2s_set_soc_fmt(const struct sun4i_i2s *i2s,  in sun50i_h6_i2s_set_soc_fmt()  argument
868 	regmap_update_bits(i2s->regmap, SUN4I_I2S_FMT0_REG,  in sun50i_h6_i2s_set_soc_fmt()
904 	regmap_update_bits(i2s->regmap, SUN4I_I2S_CTRL_REG,  in sun50i_h6_i2s_set_soc_fmt()
906 	regmap_update_bits(i2s->regmap, SUN8I_I2S_TX_CHAN_SEL_REG,  in sun50i_h6_i2s_set_soc_fmt()
909 	regmap_update_bits(i2s->regmap, SUN50I_H6_I2S_RX_CHAN_SEL_REG,  in sun50i_h6_i2s_set_soc_fmt()
929 	regmap_update_bits(i2s->regmap, SUN4I_I2S_CTRL_REG,  in sun50i_h6_i2s_set_soc_fmt()
934 	regmap_update_bits(i2s->regmap, SUN4I_I2S_FMT1_REG,  in sun50i_h6_i2s_set_soc_fmt()
943 	struct sun4i_i2s *i2s = snd_soc_dai_get_drvdata(dai);  in sun4i_i2s_set_fmt()  local
946 	ret = i2s->variant->set_fmt(i2s, fmt);  in sun4i_i2s_set_fmt()
952 	i2s->format = fmt;  in sun4i_i2s_set_fmt()
957 static void sun4i_i2s_start_capture(struct sun4i_i2s *i2s)  in sun4i_i2s_start_capture()  argument
960 	regmap_update_bits(i2s->regmap, SUN4I_I2S_FIFO_CTRL_REG,  in sun4i_i2s_start_capture()
965 	regmap_write(i2s->regmap, SUN4I_I2S_RX_CNT_REG, 0);  in sun4i_i2s_start_capture()
968 	regmap_update_bits(i2s->regmap, SUN4I_I2S_CTRL_REG,  in sun4i_i2s_start_capture()
973 	regmap_update_bits(i2s->regmap, SUN4I_I2S_DMA_INT_CTRL_REG,  in sun4i_i2s_start_capture()
978 static void sun4i_i2s_start_playback(struct sun4i_i2s *i2s)  in sun4i_i2s_start_playback()  argument
981 	regmap_update_bits(i2s->regmap, SUN4I_I2S_FIFO_CTRL_REG,  in sun4i_i2s_start_playback()
986 	regmap_write(i2s->regmap, SUN4I_I2S_TX_CNT_REG, 0);  in sun4i_i2s_start_playback()
989 	regmap_update_bits(i2s->regmap, SUN4I_I2S_CTRL_REG,  in sun4i_i2s_start_playback()
994 	regmap_update_bits(i2s->regmap, SUN4I_I2S_DMA_INT_CTRL_REG,  in sun4i_i2s_start_playback()
999 static void sun4i_i2s_stop_capture(struct sun4i_i2s *i2s)  in sun4i_i2s_stop_capture()  argument
1002 	regmap_update_bits(i2s->regmap, SUN4I_I2S_CTRL_REG,  in sun4i_i2s_stop_capture()
1007 	regmap_update_bits(i2s->regmap, SUN4I_I2S_DMA_INT_CTRL_REG,  in sun4i_i2s_stop_capture()
1012 static void sun4i_i2s_stop_playback(struct sun4i_i2s *i2s)  in sun4i_i2s_stop_playback()  argument
1015 	regmap_update_bits(i2s->regmap, SUN4I_I2S_CTRL_REG,  in sun4i_i2s_stop_playback()
1020 	regmap_update_bits(i2s->regmap, SUN4I_I2S_DMA_INT_CTRL_REG,  in sun4i_i2s_stop_playback()
1028 	struct sun4i_i2s *i2s = snd_soc_dai_get_drvdata(dai);  in sun4i_i2s_trigger()  local
1035 			sun4i_i2s_start_playback(i2s);  in sun4i_i2s_trigger()
1037 			sun4i_i2s_start_capture(i2s);  in sun4i_i2s_trigger()
1044 			sun4i_i2s_stop_playback(i2s);  in sun4i_i2s_trigger()
1046 			sun4i_i2s_stop_capture(i2s);  in sun4i_i2s_trigger()
1059 	struct sun4i_i2s *i2s = snd_soc_dai_get_drvdata(dai);  in sun4i_i2s_set_sysclk()  local
1064 	i2s->mclk_freq = freq;  in sun4i_i2s_set_sysclk()
1073 	struct sun4i_i2s *i2s = snd_soc_dai_get_drvdata(dai);  in sun4i_i2s_set_tdm_slot()  local
1078 	i2s->slots = slots;  in sun4i_i2s_set_tdm_slot()
1079 	i2s->slot_width = slot_width;  in sun4i_i2s_set_tdm_slot()
1094 	struct sun4i_i2s *i2s = snd_soc_dai_get_drvdata(dai);  in sun4i_i2s_dai_probe()  local
1097 				  &i2s->playback_dma_data,  in sun4i_i2s_dai_probe()
1098 				  &i2s->capture_dma_data);  in sun4i_i2s_dai_probe()
1282 	struct sun4i_i2s *i2s = dev_get_drvdata(dev);  in sun4i_i2s_runtime_resume()  local
1285 	ret = clk_prepare_enable(i2s->bus_clk);  in sun4i_i2s_runtime_resume()
1291 	regcache_cache_only(i2s->regmap, false);  in sun4i_i2s_runtime_resume()
1292 	regcache_mark_dirty(i2s->regmap);  in sun4i_i2s_runtime_resume()
1294 	ret = regcache_sync(i2s->regmap);  in sun4i_i2s_runtime_resume()
1301 	regmap_update_bits(i2s->regmap, SUN4I_I2S_CTRL_REG,  in sun4i_i2s_runtime_resume()
1305 	regmap_update_bits(i2s->regmap, SUN4I_I2S_CTRL_REG,  in sun4i_i2s_runtime_resume()
1309 	ret = clk_prepare_enable(i2s->mod_clk);  in sun4i_i2s_runtime_resume()
1318 	clk_disable_unprepare(i2s->bus_clk);  in sun4i_i2s_runtime_resume()
1324 	struct sun4i_i2s *i2s = dev_get_drvdata(dev);  in sun4i_i2s_runtime_suspend()  local
1326 	clk_disable_unprepare(i2s->mod_clk);  in sun4i_i2s_runtime_suspend()
1329 	regmap_update_bits(i2s->regmap, SUN4I_I2S_CTRL_REG,  in sun4i_i2s_runtime_suspend()
1333 	regmap_update_bits(i2s->regmap, SUN4I_I2S_CTRL_REG,  in sun4i_i2s_runtime_suspend()
1336 	regcache_cache_only(i2s->regmap, true);  in sun4i_i2s_runtime_suspend()
1338 	clk_disable_unprepare(i2s->bus_clk);  in sun4i_i2s_runtime_suspend()
1381  * datasheet, but the three undocumented I2S controller that use the
1477 					struct sun4i_i2s *i2s)  in sun4i_i2s_init_regmap_fields()  argument
1479 	i2s->field_clkdiv_mclk_en =  in sun4i_i2s_init_regmap_fields()
1480 		devm_regmap_field_alloc(dev, i2s->regmap,  in sun4i_i2s_init_regmap_fields()
1481 					i2s->variant->field_clkdiv_mclk_en);  in sun4i_i2s_init_regmap_fields()
1482 	if (IS_ERR(i2s->field_clkdiv_mclk_en))  in sun4i_i2s_init_regmap_fields()
1483 		return PTR_ERR(i2s->field_clkdiv_mclk_en);  in sun4i_i2s_init_regmap_fields()
1485 	i2s->field_fmt_wss =  in sun4i_i2s_init_regmap_fields()
1486 			devm_regmap_field_alloc(dev, i2s->regmap,  in sun4i_i2s_init_regmap_fields()
1487 						i2s->variant->field_fmt_wss);  in sun4i_i2s_init_regmap_fields()
1488 	if (IS_ERR(i2s->field_fmt_wss))  in sun4i_i2s_init_regmap_fields()
1489 		return PTR_ERR(i2s->field_fmt_wss);  in sun4i_i2s_init_regmap_fields()
1491 	i2s->field_fmt_sr =  in sun4i_i2s_init_regmap_fields()
1492 			devm_regmap_field_alloc(dev, i2s->regmap,  in sun4i_i2s_init_regmap_fields()
1493 						i2s->variant->field_fmt_sr);  in sun4i_i2s_init_regmap_fields()
1494 	if (IS_ERR(i2s->field_fmt_sr))  in sun4i_i2s_init_regmap_fields()
1495 		return PTR_ERR(i2s->field_fmt_sr);  in sun4i_i2s_init_regmap_fields()
1502 	struct sun4i_i2s *i2s;  in sun4i_i2s_probe()  local
1507 	i2s = devm_kzalloc(&pdev->dev, sizeof(*i2s), GFP_KERNEL);  in sun4i_i2s_probe()
1508 	if (!i2s)  in sun4i_i2s_probe()
1510 	platform_set_drvdata(pdev, i2s);  in sun4i_i2s_probe()
1520 	i2s->variant = of_device_get_match_data(&pdev->dev);  in sun4i_i2s_probe()
1521 	if (!i2s->variant) {  in sun4i_i2s_probe()
1526 	i2s->bus_clk = devm_clk_get(&pdev->dev, "apb");  in sun4i_i2s_probe()
1527 	if (IS_ERR(i2s->bus_clk)) {  in sun4i_i2s_probe()
1529 		return PTR_ERR(i2s->bus_clk);  in sun4i_i2s_probe()
1532 	i2s->regmap = devm_regmap_init_mmio(&pdev->dev, regs,  in sun4i_i2s_probe()
1533 					    i2s->variant->sun4i_i2s_regmap);  in sun4i_i2s_probe()
1534 	if (IS_ERR(i2s->regmap)) {  in sun4i_i2s_probe()
1536 		return PTR_ERR(i2s->regmap);  in sun4i_i2s_probe()
1539 	i2s->mod_clk = devm_clk_get(&pdev->dev, "mod");  in sun4i_i2s_probe()
1540 	if (IS_ERR(i2s->mod_clk)) {  in sun4i_i2s_probe()
1542 		return PTR_ERR(i2s->mod_clk);  in sun4i_i2s_probe()
1545 	if (i2s->variant->has_reset) {  in sun4i_i2s_probe()
1546 		i2s->rst = devm_reset_control_get_exclusive(&pdev->dev, NULL);  in sun4i_i2s_probe()
1547 		if (IS_ERR(i2s->rst)) {  in sun4i_i2s_probe()
1549 			return PTR_ERR(i2s->rst);  in sun4i_i2s_probe()
1553 	if (!IS_ERR(i2s->rst)) {  in sun4i_i2s_probe()
1554 		ret = reset_control_deassert(i2s->rst);  in sun4i_i2s_probe()
1562 	i2s->playback_dma_data.addr = res->start +  in sun4i_i2s_probe()
1563 					i2s->variant->reg_offset_txdata;  in sun4i_i2s_probe()
1564 	i2s->playback_dma_data.maxburst = 8;  in sun4i_i2s_probe()
1566 	i2s->capture_dma_data.addr = res->start + SUN4I_I2S_FIFO_RX_REG;  in sun4i_i2s_probe()
1567 	i2s->capture_dma_data.maxburst = 8;  in sun4i_i2s_probe()
1576 	ret = sun4i_i2s_init_regmap_fields(&pdev->dev, i2s);  in sun4i_i2s_probe()
1603 	if (!IS_ERR(i2s->rst))  in sun4i_i2s_probe()
1604 		reset_control_assert(i2s->rst);  in sun4i_i2s_probe()
1611 	struct sun4i_i2s *i2s = dev_get_drvdata(&pdev->dev);  in sun4i_i2s_remove()  local
1617 	if (!IS_ERR(i2s->rst))  in sun4i_i2s_remove()
1618 		reset_control_assert(i2s->rst);  in sun4i_i2s_remove()
1625 		.compatible = "allwinner,sun4i-a10-i2s",
1629 		.compatible = "allwinner,sun6i-a31-i2s",
1633 		.compatible = "allwinner,sun8i-a83t-i2s",
1637 		.compatible = "allwinner,sun8i-h3-i2s",
1641 		.compatible = "allwinner,sun50i-a64-codec-i2s",
1645 		.compatible = "allwinner,sun50i-h6-i2s",
1649 		.compatible = "allwinner,sun50i-r329-i2s",
1665 		.name		= "sun4i-i2s",
1674 MODULE_DESCRIPTION("Allwinner A10 I2S driver");