1 // SPDX-License-Identifier: GPL-2.0
3 // CS40L50 Advanced Haptic Driver with waveform memory,
4 // integrated DSP, and closed-loop algorithms
74 	return -EINVAL;  in cs40l50_get_clk_config()
84 		ret = cs40l50_get_clk_config(codec->bclk_ratio * codec->rate, &cfg);  in cs40l50_swap_ext_clk()
92 		return -EINVAL;  in cs40l50_swap_ext_clk()
95 	ret = regmap_update_bits(codec->regmap, CS40L50_REFCLK_INPUT,  in cs40l50_swap_ext_clk()
102 	ret = regmap_update_bits(codec->regmap, CS40L50_REFCLK_INPUT,  in cs40l50_swap_ext_clk()
109 	return regmap_update_bits(codec->regmap, CS40L50_REFCLK_INPUT,  in cs40l50_swap_ext_clk()
119 	struct snd_soc_component *comp = snd_soc_dapm_to_component(w->dapm);  in cs40l50_clk_en()
125 		ret = cs40l50_dsp_write(codec->dev, codec->regmap, CS40L50_STOP_PLAYBACK);  in cs40l50_clk_en()
129 		ret = cs40l50_dsp_write(codec->dev, codec->regmap, CS40L50_START_I2S);  in cs40l50_clk_en()
143 		return -EINVAL;  in cs40l50_clk_en()
168 	struct cs40l50_codec *codec = snd_soc_component_get_drvdata(codec_dai->component);  in cs40l50_set_dai_fmt()
171 		return -EINVAL;  in cs40l50_set_dai_fmt()
175 		codec->daifmt = 0;  in cs40l50_set_dai_fmt()
178 		codec->daifmt = CS40L50_ASP_FSYNC_INV_MASK;  in cs40l50_set_dai_fmt()
181 		codec->daifmt = CS40L50_ASP_BCLK_INV_MASK;  in cs40l50_set_dai_fmt()
184 		codec->daifmt = CS40L50_ASP_FSYNC_INV_MASK | CS40L50_ASP_BCLK_INV_MASK;  in cs40l50_set_dai_fmt()
187 		dev_err(codec->dev, "Invalid clock invert\n");  in cs40l50_set_dai_fmt()
188 		return -EINVAL;  in cs40l50_set_dai_fmt()
193 		codec->daifmt |= FIELD_PREP(CS40L50_ASP_FMT_MASK, CS40L50_ASP_FMT_I2S);  in cs40l50_set_dai_fmt()
196 		dev_err(codec->dev, "Unsupported DAI format\n");  in cs40l50_set_dai_fmt()
197 		return -EINVAL;  in cs40l50_set_dai_fmt()
207 	struct cs40l50_codec *codec = snd_soc_component_get_drvdata(dai->component);  in cs40l50_hw_params()
211 	codec->rate = params_rate(params);  in cs40l50_hw_params()
213 	ret = regmap_update_bits(codec->regmap, CS40L50_ASP_DATA_CONTROL5,  in cs40l50_hw_params()
218 	codec->daifmt |= (asp_rx_wl << CS40L50_ASP_RX_WIDTH_SHIFT);  in cs40l50_hw_params()
220 	return regmap_update_bits(codec->regmap, CS40L50_ASP_CONTROL2,  in cs40l50_hw_params()
224 				  CS40L50_ASP_RX_WIDTH_MASK, codec->daifmt);  in cs40l50_hw_params()
229 	struct cs40l50_codec *codec = snd_soc_component_get_drvdata(dai->component);  in cs40l50_set_dai_bclk_ratio()
231 	codec->bclk_ratio = ratio;  in cs40l50_set_dai_bclk_ratio()
244 		.name = "cs40l50-pcm",
261 	codec->bclk_ratio = CS40L50_BCLK_RATIO_DEFAULT;  in cs40l50_codec_probe()
276 	struct cs40l50 *cs40l50 = dev_get_drvdata(pdev->dev.parent);  in cs40l50_codec_driver_probe()
279 	codec = devm_kzalloc(&pdev->dev, sizeof(*codec), GFP_KERNEL);  in cs40l50_codec_driver_probe()
281 		return -ENOMEM;  in cs40l50_codec_driver_probe()
283 	codec->regmap = cs40l50->regmap;  in cs40l50_codec_driver_probe()
284 	codec->dev = &pdev->dev;  in cs40l50_codec_driver_probe()
286 	return devm_snd_soc_register_component(&pdev->dev, &soc_codec_dev_cs40l50,  in cs40l50_codec_driver_probe()
291 	{ "cs40l50-codec", },
299 	.driver = {
300 		.name = "cs40l50-codec",
305 MODULE_DESCRIPTION("ASoC CS40L50 driver");