3 // tegra210_admaif.c - Tegra ADMAIF driver
23 #define CH_TX_REG(reg, id) CH_REG(admaif->soc_data->tx_base, reg, id)
25 #define CH_RX_REG(reg, id) CH_REG(admaif->soc_data->rx_base, reg, id)
82 	struct tegra_admaif *admaif = dev_get_drvdata(dev);  in tegra_admaif_wr_reg()  local
84 	unsigned int num_ch = admaif->soc_data->num_ch;  in tegra_admaif_wr_reg()
85 	unsigned int rx_base = admaif->soc_data->rx_base;  in tegra_admaif_wr_reg()
86 	unsigned int tx_base = admaif->soc_data->tx_base;  in tegra_admaif_wr_reg()
87 	unsigned int global_base = admaif->soc_data->global_base;  in tegra_admaif_wr_reg()
88 	unsigned int reg_max = admaif->soc_data->regmap_conf->max_register;  in tegra_admaif_wr_reg()
116 	struct tegra_admaif *admaif = dev_get_drvdata(dev);  in tegra_admaif_rd_reg()  local
118 	unsigned int num_ch = admaif->soc_data->num_ch;  in tegra_admaif_rd_reg()
119 	unsigned int rx_base = admaif->soc_data->rx_base;  in tegra_admaif_rd_reg()
120 	unsigned int tx_base = admaif->soc_data->tx_base;  in tegra_admaif_rd_reg()
121 	unsigned int global_base = admaif->soc_data->global_base;  in tegra_admaif_rd_reg()
122 	unsigned int reg_max = admaif->soc_data->regmap_conf->max_register;  in tegra_admaif_rd_reg()
160 	struct tegra_admaif *admaif = dev_get_drvdata(dev);  in tegra_admaif_volatile_reg()  local
162 	unsigned int num_ch = admaif->soc_data->num_ch;  in tegra_admaif_volatile_reg()
163 	unsigned int rx_base = admaif->soc_data->rx_base;  in tegra_admaif_volatile_reg()
164 	unsigned int tx_base = admaif->soc_data->tx_base;  in tegra_admaif_volatile_reg()
165 	unsigned int global_base = admaif->soc_data->global_base;  in tegra_admaif_volatile_reg()
166 	unsigned int reg_max = admaif->soc_data->regmap_conf->max_register;  in tegra_admaif_volatile_reg()
224 	struct tegra_admaif *admaif = dev_get_drvdata(dev);  in tegra_admaif_runtime_suspend()  local
226 	regcache_cache_only(admaif->regmap, true);  in tegra_admaif_runtime_suspend()
227 	regcache_mark_dirty(admaif->regmap);  in tegra_admaif_runtime_suspend()
234 	struct tegra_admaif *admaif = dev_get_drvdata(dev);  in tegra_admaif_runtime_resume()  local
236 	regcache_cache_only(admaif->regmap, false);  in tegra_admaif_runtime_resume()
237 	regcache_sync(admaif->regmap);  in tegra_admaif_runtime_resume()
270 	struct tegra_admaif *admaif = snd_soc_dai_get_drvdata(dai);  in tegra_admaif_hw_params()  local
310 	cif_conf.mono_conv = admaif->mono_to_stereo[path][dai->id];  in tegra_admaif_hw_params()
311 	cif_conf.stereo_conv = admaif->stereo_to_mono[path][dai->id];  in tegra_admaif_hw_params()
313 	tegra_admaif_set_pack_mode(admaif->regmap, reg, valid_bit);  in tegra_admaif_hw_params()
315 	tegra_set_cif(admaif->regmap, reg, &cif_conf);  in tegra_admaif_hw_params()
322 	struct tegra_admaif *admaif = snd_soc_dai_get_drvdata(dai);  in tegra_admaif_start()  local
340 	regmap_update_bits(admaif->regmap, reg, mask, val);  in tegra_admaif_start()
347 	struct tegra_admaif *admaif = snd_soc_dai_get_drvdata(dai);  in tegra_admaif_stop()  local
374 	regmap_update_bits(admaif->regmap, enable_reg, mask, ~enable);  in tegra_admaif_stop()
376 	/* Wait until ADMAIF TX/RX status is disabled */  in tegra_admaif_stop()
377 	err = regmap_read_poll_timeout_atomic(admaif->regmap, status_reg, val,  in tegra_admaif_stop()
380 		dev_warn(dai->dev, "timeout: failed to disable ADMAIF%d_%s\n",  in tegra_admaif_stop()
384 	regmap_update_bits(admaif->regmap, reset_reg, SW_RESET_MASK, SW_RESET);  in tegra_admaif_stop()
387 	err = regmap_read_poll_timeout_atomic(admaif->regmap, reset_reg, val,  in tegra_admaif_stop()
391 		dev_err(dai->dev, "timeout: SW reset failed for ADMAIF%d_%s\n",  in tegra_admaif_stop()
426 	struct tegra_admaif *admaif = snd_soc_component_get_drvdata(cmpnt);  in tegra210_admaif_pget_mono_to_stereo()  local
430 		admaif->mono_to_stereo[ADMAIF_TX_PATH][ec->reg];  in tegra210_admaif_pget_mono_to_stereo()
439 	struct tegra_admaif *admaif = snd_soc_component_get_drvdata(cmpnt);  in tegra210_admaif_pput_mono_to_stereo()  local
443 	if (value == admaif->mono_to_stereo[ADMAIF_TX_PATH][ec->reg])  in tegra210_admaif_pput_mono_to_stereo()
446 	admaif->mono_to_stereo[ADMAIF_TX_PATH][ec->reg] = value;  in tegra210_admaif_pput_mono_to_stereo()
455 	struct tegra_admaif *admaif = snd_soc_component_get_drvdata(cmpnt);  in tegra210_admaif_cget_mono_to_stereo()  local
459 		admaif->mono_to_stereo[ADMAIF_RX_PATH][ec->reg];  in tegra210_admaif_cget_mono_to_stereo()
468 	struct tegra_admaif *admaif = snd_soc_component_get_drvdata(cmpnt);  in tegra210_admaif_cput_mono_to_stereo()  local
472 	if (value == admaif->mono_to_stereo[ADMAIF_RX_PATH][ec->reg])  in tegra210_admaif_cput_mono_to_stereo()
475 	admaif->mono_to_stereo[ADMAIF_RX_PATH][ec->reg] = value;  in tegra210_admaif_cput_mono_to_stereo()
484 	struct tegra_admaif *admaif = snd_soc_component_get_drvdata(cmpnt);  in tegra210_admaif_pget_stereo_to_mono()  local
488 		admaif->stereo_to_mono[ADMAIF_TX_PATH][ec->reg];  in tegra210_admaif_pget_stereo_to_mono()
497 	struct tegra_admaif *admaif = snd_soc_component_get_drvdata(cmpnt);  in tegra210_admaif_pput_stereo_to_mono()  local
501 	if (value == admaif->stereo_to_mono[ADMAIF_TX_PATH][ec->reg])  in tegra210_admaif_pput_stereo_to_mono()
504 	admaif->stereo_to_mono[ADMAIF_TX_PATH][ec->reg] = value;  in tegra210_admaif_pput_stereo_to_mono()
513 	struct tegra_admaif *admaif = snd_soc_component_get_drvdata(cmpnt);  in tegra210_admaif_cget_stereo_to_mono()  local
517 		admaif->stereo_to_mono[ADMAIF_RX_PATH][ec->reg];  in tegra210_admaif_cget_stereo_to_mono()
526 	struct tegra_admaif *admaif = snd_soc_component_get_drvdata(cmpnt);  in tegra210_admaif_cput_stereo_to_mono()  local
530 	if (value == admaif->stereo_to_mono[ADMAIF_RX_PATH][ec->reg])  in tegra210_admaif_cput_stereo_to_mono()
533 	admaif->stereo_to_mono[ADMAIF_RX_PATH][ec->reg] = value;  in tegra210_admaif_cput_stereo_to_mono()
540 	struct tegra_admaif *admaif = snd_soc_dai_get_drvdata(dai);  in tegra_admaif_dai_probe()  local
542 	snd_soc_dai_init_dma_data(dai,	&admaif->playback_dma_data[dai->id],  in tegra_admaif_dai_probe()
543 					&admaif->capture_dma_data[dai->id]);  in tegra_admaif_dai_probe()
638 	NV_SOC_ENUM_EXT("ADMAIF" #reg " Playback Mono To Stereo", reg - 1,     \
642 	NV_SOC_ENUM_EXT("ADMAIF" #reg " Playback Stereo To Mono", reg - 1,     \
646 	NV_SOC_ENUM_EXT("ADMAIF" #reg " Capture Mono To Stereo", reg - 1,      \
650 	NV_SOC_ENUM_EXT("ADMAIF" #reg " Capture Stereo To Mono", reg - 1,      \
732 	{ .compatible = "nvidia,tegra210-admaif", .data = &soc_data_tegra210 },
733 	{ .compatible = "nvidia,tegra186-admaif", .data = &soc_data_tegra186 },
740 	struct tegra_admaif *admaif;  in tegra_admaif_probe()  local
745 	admaif = devm_kzalloc(&pdev->dev, sizeof(*admaif), GFP_KERNEL);  in tegra_admaif_probe()
746 	if (!admaif)  in tegra_admaif_probe()
749 	admaif->soc_data = of_device_get_match_data(&pdev->dev);  in tegra_admaif_probe()
751 	dev_set_drvdata(&pdev->dev, admaif);  in tegra_admaif_probe()
753 	admaif->capture_dma_data =  in tegra_admaif_probe()
755 			     admaif->soc_data->num_ch,  in tegra_admaif_probe()
758 	if (!admaif->capture_dma_data)  in tegra_admaif_probe()
761 	admaif->playback_dma_data =  in tegra_admaif_probe()
763 			     admaif->soc_data->num_ch,  in tegra_admaif_probe()
766 	if (!admaif->playback_dma_data)  in tegra_admaif_probe()
770 		admaif->mono_to_stereo[i] =  in tegra_admaif_probe()
771 			devm_kcalloc(&pdev->dev, admaif->soc_data->num_ch,  in tegra_admaif_probe()
773 		if (!admaif->mono_to_stereo[i])  in tegra_admaif_probe()
776 		admaif->stereo_to_mono[i] =  in tegra_admaif_probe()
777 			devm_kcalloc(&pdev->dev, admaif->soc_data->num_ch,  in tegra_admaif_probe()
779 		if (!admaif->stereo_to_mono[i])  in tegra_admaif_probe()
787 	admaif->regmap = devm_regmap_init_mmio(&pdev->dev, regs,  in tegra_admaif_probe()
788 					       admaif->soc_data->regmap_conf);  in tegra_admaif_probe()
789 	if (IS_ERR(admaif->regmap)) {  in tegra_admaif_probe()
791 		return PTR_ERR(admaif->regmap);  in tegra_admaif_probe()
794 	regcache_cache_only(admaif->regmap, true);  in tegra_admaif_probe()
796 	regmap_update_bits(admaif->regmap, admaif->soc_data->global_base +  in tegra_admaif_probe()
799 	for (i = 0; i < admaif->soc_data->num_ch; i++) {  in tegra_admaif_probe()
800 		admaif->playback_dma_data[i].addr = res->start +  in tegra_admaif_probe()
803 		admaif->capture_dma_data[i].addr = res->start +  in tegra_admaif_probe()
806 		admaif->playback_dma_data[i].addr_width = 32;  in tegra_admaif_probe()
810 				&admaif->playback_dma_data[i].chan_name) < 0) {  in tegra_admaif_probe()
817 		admaif->capture_dma_data[i].addr_width = 32;  in tegra_admaif_probe()
822 				&admaif->capture_dma_data[i].chan_name) < 0) {  in tegra_admaif_probe()
831 					      admaif->soc_data->cmpnt,  in tegra_admaif_probe()
832 					      admaif->soc_data->dais,  in tegra_admaif_probe()
833 					      admaif->soc_data->num_ch);  in tegra_admaif_probe()
836 			"can't register ADMAIF component, err: %d\n", err);  in tegra_admaif_probe()
861 		.name = "tegra210-admaif",
869 MODULE_DESCRIPTION("Tegra210 ASoC ADMAIF driver");