3 // tegra210_mvc.c - Tegra210 MVC driver
53 	struct tegra210_mvc *mvc = dev_get_drvdata(dev);  in tegra210_mvc_runtime_suspend()  local
55 	regmap_read(mvc->regmap, TEGRA210_MVC_CTRL, &(mvc->ctrl_value));  in tegra210_mvc_runtime_suspend()
57 	regcache_cache_only(mvc->regmap, true);  in tegra210_mvc_runtime_suspend()
58 	regcache_mark_dirty(mvc->regmap);  in tegra210_mvc_runtime_suspend()
65 	struct tegra210_mvc *mvc = dev_get_drvdata(dev);  in tegra210_mvc_runtime_resume()  local
67 	regcache_cache_only(mvc->regmap, false);  in tegra210_mvc_runtime_resume()
68 	regcache_sync(mvc->regmap);  in tegra210_mvc_runtime_resume()
70 	regmap_write(mvc->regmap, TEGRA210_MVC_CTRL, mvc->ctrl_value);  in tegra210_mvc_runtime_resume()
71 	regmap_update_bits(mvc->regmap,  in tegra210_mvc_runtime_resume()
93 static void tegra210_mvc_conv_vol(struct tegra210_mvc *mvc, u8 chan, s32 val)  in tegra210_mvc_conv_vol()  argument
101 	if (mvc->curve_type == CURVE_POLY) {  in tegra210_mvc_conv_vol()
104 		mvc->volume[chan] = ((val * (1<<8)) / 100) << 16;  in tegra210_mvc_conv_vol()
107 		mvc->volume[chan] = (val * (1<<8)) / 100;  in tegra210_mvc_conv_vol()
114 	struct tegra210_mvc *mvc = snd_soc_component_get_drvdata(cmpnt);  in tegra210_mvc_get_ctrl_reg()  local
118 	regmap_read(mvc->regmap, TEGRA210_MVC_CTRL, &val);  in tegra210_mvc_get_ctrl_reg()
179 	struct tegra210_mvc *mvc = snd_soc_component_get_drvdata(cmpnt);  in tegra210_mvc_volume_switch_timeout()  local
183 	err = regmap_read_poll_timeout(mvc->regmap, TEGRA210_MVC_SWITCH,  in tegra210_mvc_volume_switch_timeout()
199 	struct tegra210_mvc *mvc = snd_soc_component_get_drvdata(cmpnt);  in tegra210_mvc_update_mute()  local
220 	regmap_update_bits_check(mvc->regmap, TEGRA210_MVC_CTRL,  in tegra210_mvc_update_mute()
226 		regmap_update_bits(mvc->regmap, TEGRA210_MVC_CTRL,  in tegra210_mvc_update_mute()
230 		regmap_update_bits(mvc->regmap, TEGRA210_MVC_SWITCH,  in tegra210_mvc_update_mute()
265 	struct tegra210_mvc *mvc = snd_soc_component_get_drvdata(cmpnt);  in tegra210_mvc_get_vol()  local
267 	s32 val = mvc->volume[chan];  in tegra210_mvc_get_vol()
269 	if (mvc->curve_type == CURVE_POLY) {  in tegra210_mvc_get_vol()
294 	struct tegra210_mvc *mvc = snd_soc_component_get_drvdata(cmpnt);  in tegra210_mvc_update_vol()  local
296 	int old_volume = mvc->volume[chan];  in tegra210_mvc_update_vol()
305 	tegra210_mvc_conv_vol(mvc, chan, ucontrol->value.integer.value[0]);  in tegra210_mvc_update_vol()
307 	if (mvc->volume[chan] == old_volume) {  in tegra210_mvc_update_vol()
313 		regmap_update_bits(mvc->regmap, TEGRA210_MVC_CTRL,  in tegra210_mvc_update_vol()
317 		regmap_update_bits(mvc->regmap, TEGRA210_MVC_CTRL,  in tegra210_mvc_update_vol()
321 			mvc->volume[i] = mvc->volume[chan];  in tegra210_mvc_update_vol()
325 	regmap_write(mvc->regmap,  in tegra210_mvc_update_vol()
327 		mvc->volume[chan]);  in tegra210_mvc_update_vol()
329 	regmap_write(mvc->regmap, mc->reg, mvc->volume[chan]);  in tegra210_mvc_update_vol()
331 	regmap_update_bits(mvc->regmap, TEGRA210_MVC_SWITCH,  in tegra210_mvc_update_vol()
355 static void tegra210_mvc_reset_vol_settings(struct tegra210_mvc *mvc,  in tegra210_mvc_reset_vol_settings()  argument
361 	if (mvc->curve_type == CURVE_POLY) {  in tegra210_mvc_reset_vol_settings()
363 			mvc->volume[i] = TEGRA210_MVC_INIT_VOL_DEFAULT_POLY;  in tegra210_mvc_reset_vol_settings()
366 			mvc->volume[i] = TEGRA210_MVC_INIT_VOL_DEFAULT_LINEAR;  in tegra210_mvc_reset_vol_settings()
372 	regmap_update_bits(mvc->regmap, TEGRA210_MVC_CTRL,  in tegra210_mvc_reset_vol_settings()
374 			   mvc->curve_type <<  in tegra210_mvc_reset_vol_settings()
379 		regmap_write(mvc->regmap,  in tegra210_mvc_reset_vol_settings()
381 			mvc->volume[i]);  in tegra210_mvc_reset_vol_settings()
382 		regmap_write(mvc->regmap,  in tegra210_mvc_reset_vol_settings()
384 			mvc->volume[i]);  in tegra210_mvc_reset_vol_settings()
388 	regmap_update_bits(mvc->regmap, TEGRA210_MVC_SWITCH,  in tegra210_mvc_reset_vol_settings()
399 	struct tegra210_mvc *mvc = snd_soc_component_get_drvdata(cmpnt);  in tegra210_mvc_get_curve_type()  local
401 	ucontrol->value.enumerated.item[0] = mvc->curve_type;  in tegra210_mvc_get_curve_type()
410 	struct tegra210_mvc *mvc = snd_soc_component_get_drvdata(cmpnt);  in tegra210_mvc_put_curve_type()  local
413 	regmap_read(mvc->regmap, TEGRA210_MVC_ENABLE, &value);  in tegra210_mvc_put_curve_type()
416 			"Curve type can't be set when MVC is running\n");  in tegra210_mvc_put_curve_type()
420 	if (mvc->curve_type == ucontrol->value.enumerated.item[0])  in tegra210_mvc_put_curve_type()
423 	mvc->curve_type = ucontrol->value.enumerated.item[0];  in tegra210_mvc_put_curve_type()
425 	tegra210_mvc_reset_vol_settings(mvc, cmpnt->dev);  in tegra210_mvc_put_curve_type()
430 static int tegra210_mvc_set_audio_cif(struct tegra210_mvc *mvc,  in tegra210_mvc_set_audio_cif()  argument
457 	tegra_set_cif(mvc->regmap, reg, &cif_conf);  in tegra210_mvc_set_audio_cif()
467 	struct tegra210_mvc *mvc = snd_soc_dai_get_drvdata(dai);  in tegra210_mvc_hw_params()  local
476 	regmap_write(mvc->regmap, TEGRA210_MVC_SOFT_RESET, 1);  in tegra210_mvc_hw_params()
478 	err = regmap_read_poll_timeout(mvc->regmap, TEGRA210_MVC_SOFT_RESET,  in tegra210_mvc_hw_params()
486 	err = tegra210_mvc_set_audio_cif(mvc, params, TEGRA210_MVC_RX_CIF_CTRL);  in tegra210_mvc_hw_params()
488 		dev_err(dev, "Can't set MVC RX CIF: %d\n", err);  in tegra210_mvc_hw_params()
493 	err = tegra210_mvc_set_audio_cif(mvc, params, TEGRA210_MVC_TX_CIF_CTRL);  in tegra210_mvc_hw_params()
495 		dev_err(dev, "Can't set MVC TX CIF: %d\n", err);  in tegra210_mvc_hw_params()
499 	tegra210_mvc_write_ram(mvc->regmap);  in tegra210_mvc_hw_params()
502 	regmap_write(mvc->regmap, TEGRA210_MVC_POLY_N1, gain_params.poly_n1);  in tegra210_mvc_hw_params()
503 	regmap_write(mvc->regmap, TEGRA210_MVC_POLY_N2, gain_params.poly_n2);  in tegra210_mvc_hw_params()
504 	regmap_write(mvc->regmap, TEGRA210_MVC_DURATION, gain_params.duration);  in tegra210_mvc_hw_params()
507 	regmap_write(mvc->regmap, TEGRA210_MVC_DURATION_INV,  in tegra210_mvc_hw_params()
565 		.name = "MVC-RX-CIF",
588 		.name = "MVC-TX-CIF",
702 	{ .compatible = "nvidia,tegra210-mvc" },
710 	struct tegra210_mvc *mvc;  in tegra210_mvc_platform_probe()  local
714 	mvc = devm_kzalloc(dev, sizeof(*mvc), GFP_KERNEL);  in tegra210_mvc_platform_probe()
715 	if (!mvc)  in tegra210_mvc_platform_probe()
718 	dev_set_drvdata(dev, mvc);  in tegra210_mvc_platform_probe()
720 	mvc->curve_type = CURVE_LINEAR;  in tegra210_mvc_platform_probe()
721 	mvc->ctrl_value = TEGRA210_MVC_CTRL_DEFAULT;  in tegra210_mvc_platform_probe()
727 	mvc->regmap = devm_regmap_init_mmio(dev, regs,  in tegra210_mvc_platform_probe()
729 	if (IS_ERR(mvc->regmap)) {  in tegra210_mvc_platform_probe()
731 		return PTR_ERR(mvc->regmap);  in tegra210_mvc_platform_probe()
734 	regcache_cache_only(mvc->regmap, true);  in tegra210_mvc_platform_probe()
740 		dev_err(dev, "can't register MVC component, err: %d\n", err);  in tegra210_mvc_platform_probe()
746 	tegra210_mvc_reset_vol_settings(mvc, &pdev->dev);  in tegra210_mvc_platform_probe()
765 		.name = "tegra210-mvc",
775 MODULE_DESCRIPTION("Tegra210 MVC ASoC driver");