1c8609f38SJerome Brunet // SPDX-License-Identifier: GPL-2.0 2c8609f38SJerome Brunet // 3c8609f38SJerome Brunet // Copyright (c) 2019 BayLibre, SAS. 4c8609f38SJerome Brunet // Author: Jerome Brunet <jbrunet@baylibre.com> 5c8609f38SJerome Brunet 6c8609f38SJerome Brunet #include <linux/bitfield.h> 7c8609f38SJerome Brunet #include <linux/clk.h> 8c8609f38SJerome Brunet #include <linux/module.h> 9c8609f38SJerome Brunet #include <sound/pcm_params.h> 10c8609f38SJerome Brunet #include <linux/regmap.h> 11*22946f37SJerome Brunet #include <linux/reset.h> 12c8609f38SJerome Brunet #include <sound/soc.h> 13c8609f38SJerome Brunet #include <sound/soc-dai.h> 14c8609f38SJerome Brunet 15c8609f38SJerome Brunet #include <dt-bindings/sound/meson-g12a-tohdmitx.h> 16c8609f38SJerome Brunet 17c8609f38SJerome Brunet #define G12A_TOHDMITX_DRV_NAME "g12a-tohdmitx" 18c8609f38SJerome Brunet 19c8609f38SJerome Brunet #define TOHDMITX_CTRL0 0x0 20c8609f38SJerome Brunet #define CTRL0_ENABLE_SHIFT 31 21c8609f38SJerome Brunet #define CTRL0_I2S_DAT_SEL GENMASK(13, 12) 22c8609f38SJerome Brunet #define CTRL0_I2S_LRCLK_SEL GENMASK(9, 8) 23c8609f38SJerome Brunet #define CTRL0_I2S_BLK_CAP_INV BIT(7) 24c8609f38SJerome Brunet #define CTRL0_I2S_BCLK_O_INV BIT(6) 25c8609f38SJerome Brunet #define CTRL0_I2S_BCLK_SEL GENMASK(5, 4) 26c8609f38SJerome Brunet #define CTRL0_SPDIF_CLK_CAP_INV BIT(3) 27c8609f38SJerome Brunet #define CTRL0_SPDIF_CLK_O_INV BIT(2) 28c8609f38SJerome Brunet #define CTRL0_SPDIF_SEL BIT(1) 29c8609f38SJerome Brunet #define CTRL0_SPDIF_CLK_SEL BIT(0) 30c8609f38SJerome Brunet 31c8609f38SJerome Brunet struct g12a_tohdmitx_input { 322c4956bcSJerome Brunet struct snd_soc_pcm_stream params; 33c8609f38SJerome Brunet unsigned int fmt; 34c8609f38SJerome Brunet }; 35c8609f38SJerome Brunet 36c8609f38SJerome Brunet static struct snd_soc_dapm_widget * 37c8609f38SJerome Brunet g12a_tohdmitx_get_input(struct snd_soc_dapm_widget *w) 38c8609f38SJerome Brunet { 39c8609f38SJerome Brunet struct snd_soc_dapm_path *p = NULL; 40c8609f38SJerome Brunet struct snd_soc_dapm_widget *in; 41c8609f38SJerome Brunet 42c8609f38SJerome Brunet snd_soc_dapm_widget_for_each_source_path(w, p) { 43c8609f38SJerome Brunet if (!p->connect) 44c8609f38SJerome Brunet continue; 45c8609f38SJerome Brunet 46c8609f38SJerome Brunet /* Check that we still are in the same component */ 47c8609f38SJerome Brunet if (snd_soc_dapm_to_component(w->dapm) != 48c8609f38SJerome Brunet snd_soc_dapm_to_component(p->source->dapm)) 49c8609f38SJerome Brunet continue; 50c8609f38SJerome Brunet 51c8609f38SJerome Brunet if (p->source->id == snd_soc_dapm_dai_in) 52c8609f38SJerome Brunet return p->source; 53c8609f38SJerome Brunet 54c8609f38SJerome Brunet in = g12a_tohdmitx_get_input(p->source); 55c8609f38SJerome Brunet if (in) 56c8609f38SJerome Brunet return in; 57c8609f38SJerome Brunet } 58c8609f38SJerome Brunet 59c8609f38SJerome Brunet return NULL; 60c8609f38SJerome Brunet } 61c8609f38SJerome Brunet 62c8609f38SJerome Brunet static struct g12a_tohdmitx_input * 63c8609f38SJerome Brunet g12a_tohdmitx_get_input_data(struct snd_soc_dapm_widget *w) 64c8609f38SJerome Brunet { 65c8609f38SJerome Brunet struct snd_soc_dapm_widget *in = 66c8609f38SJerome Brunet g12a_tohdmitx_get_input(w); 67c8609f38SJerome Brunet struct snd_soc_dai *dai; 68c8609f38SJerome Brunet 69c8609f38SJerome Brunet if (WARN_ON(!in)) 70c8609f38SJerome Brunet return NULL; 71c8609f38SJerome Brunet 72c8609f38SJerome Brunet dai = in->priv; 73c8609f38SJerome Brunet 74c8609f38SJerome Brunet return dai->playback_dma_data; 75c8609f38SJerome Brunet } 76c8609f38SJerome Brunet 77c8609f38SJerome Brunet static const char * const g12a_tohdmitx_i2s_mux_texts[] = { 78c8609f38SJerome Brunet "I2S A", "I2S B", "I2S C", 79c8609f38SJerome Brunet }; 80c8609f38SJerome Brunet 81c8609f38SJerome Brunet static SOC_ENUM_SINGLE_EXT_DECL(g12a_tohdmitx_i2s_mux_enum, 82c8609f38SJerome Brunet g12a_tohdmitx_i2s_mux_texts); 83c8609f38SJerome Brunet 84c8609f38SJerome Brunet static int g12a_tohdmitx_get_input_val(struct snd_soc_component *component, 85c8609f38SJerome Brunet unsigned int mask) 86c8609f38SJerome Brunet { 87c8609f38SJerome Brunet unsigned int val; 88c8609f38SJerome Brunet 89c8609f38SJerome Brunet snd_soc_component_read(component, TOHDMITX_CTRL0, &val); 90c8609f38SJerome Brunet return (val & mask) >> __ffs(mask); 91c8609f38SJerome Brunet } 92c8609f38SJerome Brunet 93c8609f38SJerome Brunet static int g12a_tohdmitx_i2s_mux_get_enum(struct snd_kcontrol *kcontrol, 94c8609f38SJerome Brunet struct snd_ctl_elem_value *ucontrol) 95c8609f38SJerome Brunet { 96c8609f38SJerome Brunet struct snd_soc_component *component = 97c8609f38SJerome Brunet snd_soc_dapm_kcontrol_component(kcontrol); 98c8609f38SJerome Brunet 99c8609f38SJerome Brunet ucontrol->value.enumerated.item[0] = 100c8609f38SJerome Brunet g12a_tohdmitx_get_input_val(component, CTRL0_I2S_DAT_SEL); 101c8609f38SJerome Brunet 102c8609f38SJerome Brunet return 0; 103c8609f38SJerome Brunet } 104c8609f38SJerome Brunet 105c8609f38SJerome Brunet static int g12a_tohdmitx_i2s_mux_put_enum(struct snd_kcontrol *kcontrol, 106c8609f38SJerome Brunet struct snd_ctl_elem_value *ucontrol) 107c8609f38SJerome Brunet { 108c8609f38SJerome Brunet struct snd_soc_component *component = 109c8609f38SJerome Brunet snd_soc_dapm_kcontrol_component(kcontrol); 110c8609f38SJerome Brunet struct snd_soc_dapm_context *dapm = 111c8609f38SJerome Brunet snd_soc_dapm_kcontrol_dapm(kcontrol); 112c8609f38SJerome Brunet struct soc_enum *e = (struct soc_enum *)kcontrol->private_value; 113c8609f38SJerome Brunet unsigned int mux = ucontrol->value.enumerated.item[0]; 114c8609f38SJerome Brunet unsigned int val = g12a_tohdmitx_get_input_val(component, 115c8609f38SJerome Brunet CTRL0_I2S_DAT_SEL); 116c8609f38SJerome Brunet 117c8609f38SJerome Brunet /* Force disconnect of the mux while updating */ 118c8609f38SJerome Brunet if (val != mux) 119c8609f38SJerome Brunet snd_soc_dapm_mux_update_power(dapm, kcontrol, 0, NULL, NULL); 120c8609f38SJerome Brunet 121c8609f38SJerome Brunet snd_soc_component_update_bits(component, TOHDMITX_CTRL0, 122c8609f38SJerome Brunet CTRL0_I2S_DAT_SEL | 123c8609f38SJerome Brunet CTRL0_I2S_LRCLK_SEL | 124c8609f38SJerome Brunet CTRL0_I2S_BCLK_SEL, 125c8609f38SJerome Brunet FIELD_PREP(CTRL0_I2S_DAT_SEL, mux) | 126c8609f38SJerome Brunet FIELD_PREP(CTRL0_I2S_LRCLK_SEL, mux) | 127c8609f38SJerome Brunet FIELD_PREP(CTRL0_I2S_BCLK_SEL, mux)); 128c8609f38SJerome Brunet 129c8609f38SJerome Brunet snd_soc_dapm_mux_update_power(dapm, kcontrol, mux, e, NULL); 130c8609f38SJerome Brunet 131c8609f38SJerome Brunet return 0; 132c8609f38SJerome Brunet } 133c8609f38SJerome Brunet 134c8609f38SJerome Brunet static const struct snd_kcontrol_new g12a_tohdmitx_i2s_mux = 135c8609f38SJerome Brunet SOC_DAPM_ENUM_EXT("I2S Source", g12a_tohdmitx_i2s_mux_enum, 136c8609f38SJerome Brunet g12a_tohdmitx_i2s_mux_get_enum, 137c8609f38SJerome Brunet g12a_tohdmitx_i2s_mux_put_enum); 138c8609f38SJerome Brunet 139c8609f38SJerome Brunet static const char * const g12a_tohdmitx_spdif_mux_texts[] = { 140c8609f38SJerome Brunet "SPDIF A", "SPDIF B", 141c8609f38SJerome Brunet }; 142c8609f38SJerome Brunet 143c8609f38SJerome Brunet static SOC_ENUM_SINGLE_EXT_DECL(g12a_tohdmitx_spdif_mux_enum, 144c8609f38SJerome Brunet g12a_tohdmitx_spdif_mux_texts); 145c8609f38SJerome Brunet 146c8609f38SJerome Brunet static int g12a_tohdmitx_spdif_mux_get_enum(struct snd_kcontrol *kcontrol, 147c8609f38SJerome Brunet struct snd_ctl_elem_value *ucontrol) 148c8609f38SJerome Brunet { 149c8609f38SJerome Brunet struct snd_soc_component *component = 150c8609f38SJerome Brunet snd_soc_dapm_kcontrol_component(kcontrol); 151c8609f38SJerome Brunet 152c8609f38SJerome Brunet ucontrol->value.enumerated.item[0] = 153c8609f38SJerome Brunet g12a_tohdmitx_get_input_val(component, CTRL0_SPDIF_SEL); 154c8609f38SJerome Brunet 155c8609f38SJerome Brunet return 0; 156c8609f38SJerome Brunet } 157c8609f38SJerome Brunet 158c8609f38SJerome Brunet static int g12a_tohdmitx_spdif_mux_put_enum(struct snd_kcontrol *kcontrol, 159c8609f38SJerome Brunet struct snd_ctl_elem_value *ucontrol) 160c8609f38SJerome Brunet { 161c8609f38SJerome Brunet struct snd_soc_component *component = 162c8609f38SJerome Brunet snd_soc_dapm_kcontrol_component(kcontrol); 163c8609f38SJerome Brunet struct snd_soc_dapm_context *dapm = 164c8609f38SJerome Brunet snd_soc_dapm_kcontrol_dapm(kcontrol); 165c8609f38SJerome Brunet struct soc_enum *e = (struct soc_enum *)kcontrol->private_value; 166c8609f38SJerome Brunet unsigned int mux = ucontrol->value.enumerated.item[0]; 167c8609f38SJerome Brunet unsigned int val = g12a_tohdmitx_get_input_val(component, 168c8609f38SJerome Brunet CTRL0_SPDIF_SEL); 169c8609f38SJerome Brunet 170c8609f38SJerome Brunet /* Force disconnect of the mux while updating */ 171c8609f38SJerome Brunet if (val != mux) 172c8609f38SJerome Brunet snd_soc_dapm_mux_update_power(dapm, kcontrol, 0, NULL, NULL); 173c8609f38SJerome Brunet 174c8609f38SJerome Brunet snd_soc_component_update_bits(component, TOHDMITX_CTRL0, 175c8609f38SJerome Brunet CTRL0_SPDIF_SEL | 176c8609f38SJerome Brunet CTRL0_SPDIF_CLK_SEL, 177c8609f38SJerome Brunet FIELD_PREP(CTRL0_SPDIF_SEL, mux) | 178c8609f38SJerome Brunet FIELD_PREP(CTRL0_SPDIF_CLK_SEL, mux)); 179c8609f38SJerome Brunet 180c8609f38SJerome Brunet snd_soc_dapm_mux_update_power(dapm, kcontrol, mux, e, NULL); 181c8609f38SJerome Brunet 182c8609f38SJerome Brunet return 0; 183c8609f38SJerome Brunet } 184c8609f38SJerome Brunet 185c8609f38SJerome Brunet static const struct snd_kcontrol_new g12a_tohdmitx_spdif_mux = 186c8609f38SJerome Brunet SOC_DAPM_ENUM_EXT("SPDIF Source", g12a_tohdmitx_spdif_mux_enum, 187c8609f38SJerome Brunet g12a_tohdmitx_spdif_mux_get_enum, 188c8609f38SJerome Brunet g12a_tohdmitx_spdif_mux_put_enum); 189c8609f38SJerome Brunet 190c8609f38SJerome Brunet static const struct snd_kcontrol_new g12a_tohdmitx_out_enable = 191c8609f38SJerome Brunet SOC_DAPM_SINGLE_AUTODISABLE("Switch", TOHDMITX_CTRL0, 192c8609f38SJerome Brunet CTRL0_ENABLE_SHIFT, 1, 0); 193c8609f38SJerome Brunet 194c8609f38SJerome Brunet static const struct snd_soc_dapm_widget g12a_tohdmitx_widgets[] = { 195c8609f38SJerome Brunet SND_SOC_DAPM_MUX("I2S SRC", SND_SOC_NOPM, 0, 0, 196c8609f38SJerome Brunet &g12a_tohdmitx_i2s_mux), 197c8609f38SJerome Brunet SND_SOC_DAPM_SWITCH("I2S OUT EN", SND_SOC_NOPM, 0, 0, 198c8609f38SJerome Brunet &g12a_tohdmitx_out_enable), 199c8609f38SJerome Brunet SND_SOC_DAPM_MUX("SPDIF SRC", SND_SOC_NOPM, 0, 0, 200c8609f38SJerome Brunet &g12a_tohdmitx_spdif_mux), 201c8609f38SJerome Brunet SND_SOC_DAPM_SWITCH("SPDIF OUT EN", SND_SOC_NOPM, 0, 0, 202c8609f38SJerome Brunet &g12a_tohdmitx_out_enable), 203c8609f38SJerome Brunet }; 204c8609f38SJerome Brunet 205c8609f38SJerome Brunet static int g12a_tohdmitx_input_probe(struct snd_soc_dai *dai) 206c8609f38SJerome Brunet { 207c8609f38SJerome Brunet struct g12a_tohdmitx_input *data; 208c8609f38SJerome Brunet 209c8609f38SJerome Brunet data = kzalloc(sizeof(*data), GFP_KERNEL); 210c8609f38SJerome Brunet if (!data) 211c8609f38SJerome Brunet return -ENOMEM; 212c8609f38SJerome Brunet 213c8609f38SJerome Brunet dai->playback_dma_data = data; 214c8609f38SJerome Brunet return 0; 215c8609f38SJerome Brunet } 216c8609f38SJerome Brunet 217c8609f38SJerome Brunet static int g12a_tohdmitx_input_remove(struct snd_soc_dai *dai) 218c8609f38SJerome Brunet { 219c8609f38SJerome Brunet kfree(dai->playback_dma_data); 220c8609f38SJerome Brunet return 0; 221c8609f38SJerome Brunet } 222c8609f38SJerome Brunet 223c8609f38SJerome Brunet static int g12a_tohdmitx_input_hw_params(struct snd_pcm_substream *substream, 224c8609f38SJerome Brunet struct snd_pcm_hw_params *params, 225c8609f38SJerome Brunet struct snd_soc_dai *dai) 226c8609f38SJerome Brunet { 227c8609f38SJerome Brunet struct g12a_tohdmitx_input *data = dai->playback_dma_data; 228c8609f38SJerome Brunet 2292c4956bcSJerome Brunet data->params.rates = snd_pcm_rate_to_rate_bit(params_rate(params)); 2302c4956bcSJerome Brunet data->params.rate_min = params_rate(params); 2312c4956bcSJerome Brunet data->params.rate_max = params_rate(params); 2322c4956bcSJerome Brunet data->params.formats = 1 << params_format(params); 2332c4956bcSJerome Brunet data->params.channels_min = params_channels(params); 2342c4956bcSJerome Brunet data->params.channels_max = params_channels(params); 2352c4956bcSJerome Brunet data->params.sig_bits = dai->driver->playback.sig_bits; 236c8609f38SJerome Brunet 237c8609f38SJerome Brunet return 0; 238c8609f38SJerome Brunet } 239c8609f38SJerome Brunet 240c8609f38SJerome Brunet 241c8609f38SJerome Brunet static int g12a_tohdmitx_input_set_fmt(struct snd_soc_dai *dai, 242c8609f38SJerome Brunet unsigned int fmt) 243c8609f38SJerome Brunet { 244c8609f38SJerome Brunet struct g12a_tohdmitx_input *data = dai->playback_dma_data; 245c8609f38SJerome Brunet 246c8609f38SJerome Brunet /* Save the source stream format for the downstream link */ 247c8609f38SJerome Brunet data->fmt = fmt; 248c8609f38SJerome Brunet return 0; 249c8609f38SJerome Brunet } 250c8609f38SJerome Brunet 251c8609f38SJerome Brunet static int g12a_tohdmitx_output_startup(struct snd_pcm_substream *substream, 252c8609f38SJerome Brunet struct snd_soc_dai *dai) 253c8609f38SJerome Brunet { 254c8609f38SJerome Brunet struct snd_soc_pcm_runtime *rtd = substream->private_data; 255c8609f38SJerome Brunet struct g12a_tohdmitx_input *in_data = 256c8609f38SJerome Brunet g12a_tohdmitx_get_input_data(dai->capture_widget); 257c8609f38SJerome Brunet 258c8609f38SJerome Brunet if (!in_data) 259c8609f38SJerome Brunet return -ENODEV; 260c8609f38SJerome Brunet 2612c4956bcSJerome Brunet if (WARN_ON(!rtd->dai_link->params)) { 2622c4956bcSJerome Brunet dev_warn(dai->dev, "codec2codec link expected\n"); 2632c4956bcSJerome Brunet return -EINVAL; 2642c4956bcSJerome Brunet } 2652c4956bcSJerome Brunet 2662c4956bcSJerome Brunet /* Replace link params with the input params */ 2672c4956bcSJerome Brunet rtd->dai_link->params = &in_data->params; 2682c4956bcSJerome Brunet 269c8609f38SJerome Brunet if (!in_data->fmt) 270c8609f38SJerome Brunet return 0; 271c8609f38SJerome Brunet 272c8609f38SJerome Brunet return snd_soc_runtime_set_dai_fmt(rtd, in_data->fmt); 273c8609f38SJerome Brunet } 274c8609f38SJerome Brunet 275c8609f38SJerome Brunet static const struct snd_soc_dai_ops g12a_tohdmitx_input_ops = { 276c8609f38SJerome Brunet .hw_params = g12a_tohdmitx_input_hw_params, 277c8609f38SJerome Brunet .set_fmt = g12a_tohdmitx_input_set_fmt, 278c8609f38SJerome Brunet }; 279c8609f38SJerome Brunet 280c8609f38SJerome Brunet static const struct snd_soc_dai_ops g12a_tohdmitx_output_ops = { 281c8609f38SJerome Brunet .startup = g12a_tohdmitx_output_startup, 282c8609f38SJerome Brunet }; 283c8609f38SJerome Brunet 284c8609f38SJerome Brunet #define TOHDMITX_SPDIF_FORMATS \ 285c8609f38SJerome Brunet (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S20_3LE | \ 286c8609f38SJerome Brunet SNDRV_PCM_FMTBIT_S24_3LE | SNDRV_PCM_FMTBIT_S24_LE) 287c8609f38SJerome Brunet 288c8609f38SJerome Brunet #define TOHDMITX_I2S_FORMATS \ 289c8609f38SJerome Brunet (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S20_3LE | \ 290c8609f38SJerome Brunet SNDRV_PCM_FMTBIT_S24_3LE | SNDRV_PCM_FMTBIT_S24_LE | \ 291c8609f38SJerome Brunet SNDRV_PCM_FMTBIT_S32_LE) 292c8609f38SJerome Brunet 293c8609f38SJerome Brunet #define TOHDMITX_STREAM(xname, xsuffix, xfmt, xchmax) \ 294c8609f38SJerome Brunet { \ 295c8609f38SJerome Brunet .stream_name = xname " " xsuffix, \ 296c8609f38SJerome Brunet .channels_min = 1, \ 297c8609f38SJerome Brunet .channels_max = (xchmax), \ 298c8609f38SJerome Brunet .rate_min = 8000, \ 299c8609f38SJerome Brunet .rate_max = 192000, \ 300c8609f38SJerome Brunet .formats = (xfmt), \ 301c8609f38SJerome Brunet } 302c8609f38SJerome Brunet 303c8609f38SJerome Brunet #define TOHDMITX_IN(xname, xid, xfmt, xchmax) { \ 304c8609f38SJerome Brunet .name = xname, \ 305c8609f38SJerome Brunet .id = (xid), \ 306c8609f38SJerome Brunet .playback = TOHDMITX_STREAM(xname, "Playback", xfmt, xchmax), \ 307c8609f38SJerome Brunet .ops = &g12a_tohdmitx_input_ops, \ 308c8609f38SJerome Brunet .probe = g12a_tohdmitx_input_probe, \ 309c8609f38SJerome Brunet .remove = g12a_tohdmitx_input_remove, \ 310c8609f38SJerome Brunet } 311c8609f38SJerome Brunet 312c8609f38SJerome Brunet #define TOHDMITX_OUT(xname, xid, xfmt, xchmax) { \ 313c8609f38SJerome Brunet .name = xname, \ 314c8609f38SJerome Brunet .id = (xid), \ 315c8609f38SJerome Brunet .capture = TOHDMITX_STREAM(xname, "Capture", xfmt, xchmax), \ 316c8609f38SJerome Brunet .ops = &g12a_tohdmitx_output_ops, \ 317c8609f38SJerome Brunet } 318c8609f38SJerome Brunet 319c8609f38SJerome Brunet static struct snd_soc_dai_driver g12a_tohdmitx_dai_drv[] = { 320c8609f38SJerome Brunet TOHDMITX_IN("I2S IN A", TOHDMITX_I2S_IN_A, 321c8609f38SJerome Brunet TOHDMITX_I2S_FORMATS, 8), 322c8609f38SJerome Brunet TOHDMITX_IN("I2S IN B", TOHDMITX_I2S_IN_B, 323c8609f38SJerome Brunet TOHDMITX_I2S_FORMATS, 8), 324c8609f38SJerome Brunet TOHDMITX_IN("I2S IN C", TOHDMITX_I2S_IN_C, 325c8609f38SJerome Brunet TOHDMITX_I2S_FORMATS, 8), 326c8609f38SJerome Brunet TOHDMITX_OUT("I2S OUT", TOHDMITX_I2S_OUT, 327c8609f38SJerome Brunet TOHDMITX_I2S_FORMATS, 8), 328c8609f38SJerome Brunet TOHDMITX_IN("SPDIF IN A", TOHDMITX_SPDIF_IN_A, 329c8609f38SJerome Brunet TOHDMITX_SPDIF_FORMATS, 2), 330c8609f38SJerome Brunet TOHDMITX_IN("SPDIF IN B", TOHDMITX_SPDIF_IN_B, 331c8609f38SJerome Brunet TOHDMITX_SPDIF_FORMATS, 2), 332c8609f38SJerome Brunet TOHDMITX_OUT("SPDIF OUT", TOHDMITX_SPDIF_OUT, 333c8609f38SJerome Brunet TOHDMITX_SPDIF_FORMATS, 2), 334c8609f38SJerome Brunet }; 335c8609f38SJerome Brunet 336c8609f38SJerome Brunet static int g12a_tohdmi_component_probe(struct snd_soc_component *c) 337c8609f38SJerome Brunet { 338c8609f38SJerome Brunet /* Initialize the static clock parameters */ 339c8609f38SJerome Brunet return snd_soc_component_write(c, TOHDMITX_CTRL0, 340c8609f38SJerome Brunet CTRL0_I2S_BLK_CAP_INV | CTRL0_SPDIF_CLK_CAP_INV); 341c8609f38SJerome Brunet } 342c8609f38SJerome Brunet 343c8609f38SJerome Brunet static const struct snd_soc_dapm_route g12a_tohdmitx_routes[] = { 344c8609f38SJerome Brunet { "I2S SRC", "I2S A", "I2S IN A Playback" }, 345c8609f38SJerome Brunet { "I2S SRC", "I2S B", "I2S IN B Playback" }, 346c8609f38SJerome Brunet { "I2S SRC", "I2S C", "I2S IN C Playback" }, 347c8609f38SJerome Brunet { "I2S OUT EN", "Switch", "I2S SRC" }, 348c8609f38SJerome Brunet { "I2S OUT Capture", NULL, "I2S OUT EN" }, 349c8609f38SJerome Brunet { "SPDIF SRC", "SPDIF A", "SPDIF IN A Playback" }, 350c8609f38SJerome Brunet { "SPDIF SRC", "SPDIF B", "SPDIF IN B Playback" }, 351c8609f38SJerome Brunet { "SPDIF OUT EN", "Switch", "SPDIF SRC" }, 352c8609f38SJerome Brunet { "SPDIF OUT Capture", NULL, "SPDIF OUT EN" }, 353c8609f38SJerome Brunet }; 354c8609f38SJerome Brunet 355c8609f38SJerome Brunet static const struct snd_soc_component_driver g12a_tohdmitx_component_drv = { 356c8609f38SJerome Brunet .probe = g12a_tohdmi_component_probe, 357c8609f38SJerome Brunet .dapm_widgets = g12a_tohdmitx_widgets, 358c8609f38SJerome Brunet .num_dapm_widgets = ARRAY_SIZE(g12a_tohdmitx_widgets), 359c8609f38SJerome Brunet .dapm_routes = g12a_tohdmitx_routes, 360c8609f38SJerome Brunet .num_dapm_routes = ARRAY_SIZE(g12a_tohdmitx_routes), 361c8609f38SJerome Brunet .endianness = 1, 362c8609f38SJerome Brunet .non_legacy_dai_naming = 1, 363c8609f38SJerome Brunet }; 364c8609f38SJerome Brunet 365c8609f38SJerome Brunet static const struct regmap_config g12a_tohdmitx_regmap_cfg = { 366c8609f38SJerome Brunet .reg_bits = 32, 367c8609f38SJerome Brunet .val_bits = 32, 368c8609f38SJerome Brunet .reg_stride = 4, 369c8609f38SJerome Brunet }; 370c8609f38SJerome Brunet 371c8609f38SJerome Brunet static const struct of_device_id g12a_tohdmitx_of_match[] = { 372c8609f38SJerome Brunet { .compatible = "amlogic,g12a-tohdmitx", }, 373c8609f38SJerome Brunet {} 374c8609f38SJerome Brunet }; 375c8609f38SJerome Brunet MODULE_DEVICE_TABLE(of, g12a_tohdmitx_of_match); 376c8609f38SJerome Brunet 377c8609f38SJerome Brunet static int g12a_tohdmitx_probe(struct platform_device *pdev) 378c8609f38SJerome Brunet { 379c8609f38SJerome Brunet struct device *dev = &pdev->dev; 380c8609f38SJerome Brunet void __iomem *regs; 381c8609f38SJerome Brunet struct regmap *map; 382*22946f37SJerome Brunet int ret; 383*22946f37SJerome Brunet 384*22946f37SJerome Brunet ret = device_reset(dev); 385*22946f37SJerome Brunet if (ret) 386*22946f37SJerome Brunet return ret; 387c8609f38SJerome Brunet 388a95c9012SYueHaibing regs = devm_platform_ioremap_resource(pdev, 0); 389c8609f38SJerome Brunet if (IS_ERR(regs)) 390c8609f38SJerome Brunet return PTR_ERR(regs); 391c8609f38SJerome Brunet 392c8609f38SJerome Brunet map = devm_regmap_init_mmio(dev, regs, &g12a_tohdmitx_regmap_cfg); 393c8609f38SJerome Brunet if (IS_ERR(map)) { 394c8609f38SJerome Brunet dev_err(dev, "failed to init regmap: %ld\n", 395c8609f38SJerome Brunet PTR_ERR(map)); 396c8609f38SJerome Brunet return PTR_ERR(map); 397c8609f38SJerome Brunet } 398c8609f38SJerome Brunet 399c8609f38SJerome Brunet return devm_snd_soc_register_component(dev, 400c8609f38SJerome Brunet &g12a_tohdmitx_component_drv, g12a_tohdmitx_dai_drv, 401c8609f38SJerome Brunet ARRAY_SIZE(g12a_tohdmitx_dai_drv)); 402c8609f38SJerome Brunet } 403c8609f38SJerome Brunet 404c8609f38SJerome Brunet static struct platform_driver g12a_tohdmitx_pdrv = { 405c8609f38SJerome Brunet .driver = { 406c8609f38SJerome Brunet .name = G12A_TOHDMITX_DRV_NAME, 407c8609f38SJerome Brunet .of_match_table = g12a_tohdmitx_of_match, 408c8609f38SJerome Brunet }, 409c8609f38SJerome Brunet .probe = g12a_tohdmitx_probe, 410c8609f38SJerome Brunet }; 411c8609f38SJerome Brunet module_platform_driver(g12a_tohdmitx_pdrv); 412c8609f38SJerome Brunet 413c8609f38SJerome Brunet MODULE_AUTHOR("Jerome Brunet <jbrunet@baylibre.com>"); 414c8609f38SJerome Brunet MODULE_DESCRIPTION("Amlogic G12a To HDMI Tx Control Codec Driver"); 415c8609f38SJerome Brunet MODULE_LICENSE("GPL v2"); 416