3 // tegra210_sfc.c - Tegra210 SFC driver
51 /* coeff RAM tables required for SFC */
3061 	struct tegra210_sfc *sfc = dev_get_drvdata(dev);  in tegra210_sfc_runtime_suspend()  local
3063 	regcache_cache_only(sfc->regmap, true);  in tegra210_sfc_runtime_suspend()
3064 	regcache_mark_dirty(sfc->regmap);  in tegra210_sfc_runtime_suspend()
3071 	struct tegra210_sfc *sfc = dev_get_drvdata(dev);  in tegra210_sfc_runtime_resume()  local
3073 	regcache_cache_only(sfc->regmap, false);  in tegra210_sfc_runtime_resume()
3074 	regcache_sync(sfc->regmap);  in tegra210_sfc_runtime_resume()
3095 	struct tegra210_sfc *sfc = dev_get_drvdata(cmpnt->dev);  in tegra210_sfc_write_coeff_ram()  local
3099 	if (sfc->srate_in == sfc->srate_out)  in tegra210_sfc_write_coeff_ram()
3102 	coeff_ram = coef_addr_table[sfc->srate_in][sfc->srate_out];  in tegra210_sfc_write_coeff_ram()
3106 			sfc->srate_in, sfc->srate_out);  in tegra210_sfc_write_coeff_ram()
3111 	tegra210_sfc_write_ram(sfc->regmap, coeff_ram);  in tegra210_sfc_write_coeff_ram()
3113 	regmap_update_bits(sfc->regmap,  in tegra210_sfc_write_coeff_ram()
3121 static int tegra210_sfc_set_audio_cif(struct tegra210_sfc *sfc,  in tegra210_sfc_set_audio_cif()  argument
3153 	cif_conf.stereo_conv = sfc->stereo_to_mono[path];  in tegra210_sfc_set_audio_cif()
3154 	cif_conf.mono_conv = sfc->mono_to_stereo[path];  in tegra210_sfc_set_audio_cif()
3156 	tegra_set_cif(sfc->regmap, reg, &cif_conf);  in tegra210_sfc_set_audio_cif()
3161 static int tegra210_sfc_soft_reset(struct tegra210_sfc *sfc)  in tegra210_sfc_soft_reset()  argument
3171 	regmap_update_bits(sfc->regmap, TEGRA210_SFC_SOFT_RESET,  in tegra210_sfc_soft_reset()
3174 	return regmap_read_poll_timeout(sfc->regmap,  in tegra210_sfc_soft_reset()
3202 	struct tegra210_sfc *sfc = snd_soc_dai_get_drvdata(dai);  in tegra210_sfc_startup()  local
3205 	regmap_update_bits(sfc->regmap, TEGRA210_SFC_COEF_RAM,  in tegra210_sfc_startup()
3208 	err = tegra210_sfc_soft_reset(sfc);  in tegra210_sfc_startup()
3210 		dev_err(dai->dev, "Failed to reset SFC in %s, err = %d\n",  in tegra210_sfc_startup()
3223 	struct tegra210_sfc *sfc = snd_soc_dai_get_drvdata(dai);  in tegra210_sfc_in_hw_params()  local
3228 				       &sfc->srate_in);  in tegra210_sfc_in_hw_params()
3232 	err = tegra210_sfc_set_audio_cif(sfc, params, TEGRA210_SFC_RX_CIF_CTRL);  in tegra210_sfc_in_hw_params()
3234 		dev_err(dev, "Can't set SFC RX CIF: %d\n", err);  in tegra210_sfc_in_hw_params()
3238 	regmap_write(sfc->regmap, TEGRA210_SFC_RX_FREQ, sfc->srate_in);  in tegra210_sfc_in_hw_params()
3247 	struct tegra210_sfc *sfc = snd_soc_dai_get_drvdata(dai);  in tegra210_sfc_out_hw_params()  local
3252 				       &sfc->srate_out);  in tegra210_sfc_out_hw_params()
3256 	err = tegra210_sfc_set_audio_cif(sfc, params, TEGRA210_SFC_TX_CIF_CTRL);  in tegra210_sfc_out_hw_params()
3258 		dev_err(dev, "Can't set SFC TX CIF: %d\n", err);  in tegra210_sfc_out_hw_params()
3262 	regmap_write(sfc->regmap, TEGRA210_SFC_TX_FREQ, sfc->srate_out);  in tegra210_sfc_out_hw_params()
3279 	struct tegra210_sfc *sfc = snd_soc_component_get_drvdata(cmpnt);  in tegra210_sfc_iget_stereo_to_mono()  local
3281 	ucontrol->value.enumerated.item[0] = sfc->stereo_to_mono[SFC_RX_PATH];  in tegra210_sfc_iget_stereo_to_mono()
3290 	struct tegra210_sfc *sfc = snd_soc_component_get_drvdata(cmpnt);  in tegra210_sfc_iput_stereo_to_mono()  local
3293 	if (value == sfc->stereo_to_mono[SFC_RX_PATH])  in tegra210_sfc_iput_stereo_to_mono()
3296 	sfc->stereo_to_mono[SFC_RX_PATH] = value;  in tegra210_sfc_iput_stereo_to_mono()
3305 	struct tegra210_sfc *sfc = snd_soc_component_get_drvdata(cmpnt);  in tegra210_sfc_iget_mono_to_stereo()  local
3307 	ucontrol->value.enumerated.item[0] = sfc->mono_to_stereo[SFC_RX_PATH];  in tegra210_sfc_iget_mono_to_stereo()
3316 	struct tegra210_sfc *sfc = snd_soc_component_get_drvdata(cmpnt);  in tegra210_sfc_iput_mono_to_stereo()  local
3319 	if (value == sfc->mono_to_stereo[SFC_RX_PATH])  in tegra210_sfc_iput_mono_to_stereo()
3322 	sfc->mono_to_stereo[SFC_RX_PATH] = value;  in tegra210_sfc_iput_mono_to_stereo()
3331 	struct tegra210_sfc *sfc = snd_soc_component_get_drvdata(cmpnt);  in tegra210_sfc_oget_stereo_to_mono()  local
3333 	ucontrol->value.enumerated.item[0] = sfc->stereo_to_mono[SFC_TX_PATH];  in tegra210_sfc_oget_stereo_to_mono()
3342 	struct tegra210_sfc *sfc = snd_soc_component_get_drvdata(cmpnt);  in tegra210_sfc_oput_stereo_to_mono()  local
3345 	if (value == sfc->stereo_to_mono[SFC_TX_PATH])  in tegra210_sfc_oput_stereo_to_mono()
3348 	sfc->stereo_to_mono[SFC_TX_PATH] = value;  in tegra210_sfc_oput_stereo_to_mono()
3357 	struct tegra210_sfc *sfc = snd_soc_component_get_drvdata(cmpnt);  in tegra210_sfc_oget_mono_to_stereo()  local
3359 	ucontrol->value.enumerated.item[0] = sfc->mono_to_stereo[SFC_TX_PATH];  in tegra210_sfc_oget_mono_to_stereo()
3368 	struct tegra210_sfc *sfc = snd_soc_component_get_drvdata(cmpnt);  in tegra210_sfc_oput_mono_to_stereo()  local
3371 	if (value == sfc->mono_to_stereo[SFC_TX_PATH])  in tegra210_sfc_oput_mono_to_stereo()
3374 	sfc->mono_to_stereo[SFC_TX_PATH] = value;  in tegra210_sfc_oput_mono_to_stereo()
3390 		.name = "SFC-RX-CIF",
3412 		.name = "SFC-TX-CIF",
3571 	{ .compatible = "nvidia,tegra210-sfc" },
3579 	struct tegra210_sfc *sfc;  in tegra210_sfc_platform_probe()  local
3583 	sfc = devm_kzalloc(dev, sizeof(*sfc), GFP_KERNEL);  in tegra210_sfc_platform_probe()
3584 	if (!sfc)  in tegra210_sfc_platform_probe()
3587 	dev_set_drvdata(dev, sfc);  in tegra210_sfc_platform_probe()
3593 	sfc->regmap = devm_regmap_init_mmio(dev, regs,  in tegra210_sfc_platform_probe()
3595 	if (IS_ERR(sfc->regmap)) {  in tegra210_sfc_platform_probe()
3597 		return PTR_ERR(sfc->regmap);  in tegra210_sfc_platform_probe()
3600 	regcache_cache_only(sfc->regmap, true);  in tegra210_sfc_platform_probe()
3606 		dev_err(dev, "can't register SFC component, err: %d\n", err);  in tegra210_sfc_platform_probe()
3629 		.name = "tegra210-sfc",
3639 MODULE_DESCRIPTION("Tegra210 SFC ASoC driver");