1 // SPDX-License-Identifier: GPL-2.0
11 #include <sound/soc-dai.h>
27 #define AIU_958_INTERNAL_DIV		2
50 	struct snd_soc_component *component = dai->component;  in aiu_encoder_spdif_trigger()
66 		return -EINVAL;  in aiu_encoder_spdif_trigger()
87 	/* Write the 2nd half word */  in aiu_encoder_spdif_setup_cs_word()
88 	val = cs[3] | cs[2] << 8;  in aiu_encoder_spdif_setup_cs_word()
99 	struct snd_soc_component *component = dai->component;  in aiu_encoder_spdif_hw_params()
110 		val |= FIELD_PREP(AIU_958_MISC_16BITS_ALIGN, 2);  in aiu_encoder_spdif_hw_params()
116 		dev_err(dai->dev, "Unsupported physical width\n");  in aiu_encoder_spdif_hw_params()
117 		return -EINVAL;  in aiu_encoder_spdif_hw_params()
132 		dev_err(dai->dev, "failed to set channel status word\n");  in aiu_encoder_spdif_hw_params()
142 	/* 2 * 32bits per subframe * 2 channels = 128 */  in aiu_encoder_spdif_hw_params()
144 	ret = clk_set_rate(aiu->spdif.clks[MCLK].clk, mrate);  in aiu_encoder_spdif_hw_params()
146 		dev_err(dai->dev, "failed to set mclk rate\n");  in aiu_encoder_spdif_hw_params()
158 	struct snd_soc_component *component = dai->component;  in aiu_encoder_spdif_hw_free()
168 	struct aiu *aiu = snd_soc_component_get_drvdata(dai->component);  in aiu_encoder_spdif_startup()
172 	 * NOTE: Make sure the spdif block is on its own divider.  in aiu_encoder_spdif_startup()
174 	 * The spdif can be clocked by the i2s master clock or its own  in aiu_encoder_spdif_startup()
181 	 * should not be necessary to reparent the spdif master clock.  in aiu_encoder_spdif_startup()
183 	ret = clk_set_parent(aiu->spdif.clks[MCLK].clk,  in aiu_encoder_spdif_startup()
184 			     aiu->spdif_mclk);  in aiu_encoder_spdif_startup()
188 	ret = clk_bulk_prepare_enable(aiu->spdif.clk_num, aiu->spdif.clks);  in aiu_encoder_spdif_startup()
190 		dev_err(dai->dev, "failed to enable spdif clocks\n");  in aiu_encoder_spdif_startup()
198 	struct aiu *aiu = snd_soc_component_get_drvdata(dai->component);  in aiu_encoder_spdif_shutdown()
200 	clk_bulk_disable_unprepare(aiu->spdif.clk_num, aiu->spdif.clks);  in aiu_encoder_spdif_shutdown()