soc/tegra/tegra210_mvc.c

52 	struct tegra210_mvc *mvc = dev_get_drvdata(dev);
54 	regmap_read(mvc->regmap, TEGRA210_MVC_CTRL, &(mvc->ctrl_value));
56 	regcache_cache_only(mvc->regmap, true);
57 	regcache_mark_dirty(mvc->regmap);
64 	struct tegra210_mvc *mvc = dev_get_drvdata(dev);
66 	regcache_cache_only(mvc->regmap, false);
67 	regcache_sync(mvc->regmap);
69 	regmap_write(mvc->regmap, TEGRA210_MVC_CTRL, mvc->ctrl_value);
70 	regmap_update_bits(mvc->regmap,
92 static void tegra210_mvc_conv_vol(struct tegra210_mvc *mvc, u8 chan, s32 val)
100 	if (mvc->curve_type == CURVE_POLY) {
103 		mvc->volume[chan] = ((val * (1<<8)) / 100) << 16;
106 		mvc->volume[chan] = (val * (1<<8)) / 100;
113 	struct tegra210_mvc *mvc = snd_soc_component_get_drvdata(cmpnt);
117 	regmap_read(mvc->regmap, TEGRA210_MVC_CTRL, &val);
178 	struct tegra210_mvc *mvc = snd_soc_component_get_drvdata(cmpnt);
182 	err = regmap_read_poll_timeout(mvc->regmap, TEGRA210_MVC_SWITCH,
198 	struct tegra210_mvc *mvc = snd_soc_component_get_drvdata(cmpnt);
219 	regmap_update_bits_check(mvc->regmap, TEGRA210_MVC_CTRL,
225 		regmap_update_bits(mvc->regmap, TEGRA210_MVC_CTRL,
229 		regmap_update_bits(mvc->regmap, TEGRA210_MVC_SWITCH,
264 	struct tegra210_mvc *mvc = snd_soc_component_get_drvdata(cmpnt);
266 	s32 val = mvc->volume[chan];
268 	if (mvc->curve_type == CURVE_POLY) {
293 	struct tegra210_mvc *mvc = snd_soc_component_get_drvdata(cmpnt);
295 	int old_volume = mvc->volume[chan];
304 	tegra210_mvc_conv_vol(mvc, chan, ucontrol->value.integer.value[0]);
306 	if (mvc->volume[chan] == old_volume) {
312 		regmap_update_bits(mvc->regmap, TEGRA210_MVC_CTRL,
316 		regmap_update_bits(mvc->regmap, TEGRA210_MVC_CTRL,
320 			mvc->volume[i] = mvc->volume[chan];
324 	regmap_write(mvc->regmap,
326 		mvc->volume[chan]);
328 	regmap_write(mvc->regmap, mc->reg, mvc->volume[chan]);
330 	regmap_update_bits(mvc->regmap, TEGRA210_MVC_SWITCH,
354 static void tegra210_mvc_reset_vol_settings(struct tegra210_mvc *mvc,
360 	if (mvc->curve_type == CURVE_POLY) {
362 			mvc->volume[i] = TEGRA210_MVC_INIT_VOL_DEFAULT_POLY;
365 			mvc->volume[i] = TEGRA210_MVC_INIT_VOL_DEFAULT_LINEAR;
371 	regmap_update_bits(mvc->regmap, TEGRA210_MVC_CTRL,
373 			   mvc->curve_type <<
378 		regmap_write(mvc->regmap,
380 			mvc->volume[i]);
381 		regmap_write(mvc->regmap,
383 			mvc->volume[i]);
387 	regmap_update_bits(mvc->regmap, TEGRA210_MVC_SWITCH,
398 	struct tegra210_mvc *mvc = snd_soc_component_get_drvdata(cmpnt);
400 	ucontrol->value.enumerated.item[0] = mvc->curve_type;
409 	struct tegra210_mvc *mvc = snd_soc_component_get_drvdata(cmpnt);
412 	regmap_read(mvc->regmap, TEGRA210_MVC_ENABLE, &value);
419 	if (mvc->curve_type == ucontrol->value.enumerated.item[0])
422 	mvc->curve_type = ucontrol->value.enumerated.item[0];
424 	tegra210_mvc_reset_vol_settings(mvc, cmpnt->dev);
429 static int tegra210_mvc_set_audio_cif(struct tegra210_mvc *mvc,
456 	tegra_set_cif(mvc->regmap, reg, &cif_conf);
466 	struct tegra210_mvc *mvc = snd_soc_dai_get_drvdata(dai);
475 	regmap_write(mvc->regmap, TEGRA210_MVC_SOFT_RESET, 1);
477 	err = regmap_read_poll_timeout(mvc->regmap, TEGRA210_MVC_SOFT_RESET,
485 	err = tegra210_mvc_set_audio_cif(mvc, params, TEGRA210_MVC_RX_CIF_CTRL);
492 	err = tegra210_mvc_set_audio_cif(mvc, params, TEGRA210_MVC_TX_CIF_CTRL);
498 	tegra210_mvc_write_ram(mvc->regmap);
501 	regmap_write(mvc->regmap, TEGRA210_MVC_POLY_N1, gain_params.poly_n1);
502 	regmap_write(mvc->regmap, TEGRA210_MVC_POLY_N2, gain_params.poly_n2);
503 	regmap_write(mvc->regmap, TEGRA210_MVC_DURATION, gain_params.duration);
506 	regmap_write(mvc->regmap, TEGRA210_MVC_DURATION_INV,
701 	{ .compatible = "nvidia,tegra210-mvc" },
709 	struct tegra210_mvc *mvc;
713 	mvc = devm_kzalloc(dev, sizeof(*mvc), GFP_KERNEL);
714 	if (!mvc)
717 	dev_set_drvdata(dev, mvc);
719 	mvc->curve_type = CURVE_LINEAR;
720 	mvc->ctrl_value = TEGRA210_MVC_CTRL_DEFAULT;
726 	mvc->regmap = devm_regmap_init_mmio(dev, regs,
728 	if (IS_ERR(mvc->regmap)) {
730 		return PTR_ERR(mvc->regmap);
733 	regcache_cache_only(mvc->regmap, true);
745 	tegra210_mvc_reset_vol_settings(mvc, &pdev->dev);
764 		.name = "tegra210-mvc",