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> 11c8609f38SJerome Brunet #include <sound/soc.h> 12c8609f38SJerome Brunet #include <sound/soc-dai.h> 13c8609f38SJerome Brunet 14c8609f38SJerome Brunet #include <dt-bindings/sound/meson-g12a-tohdmitx.h> 15c8609f38SJerome Brunet 16c8609f38SJerome Brunet #define G12A_TOHDMITX_DRV_NAME "g12a-tohdmitx" 17c8609f38SJerome Brunet 18c8609f38SJerome Brunet #define TOHDMITX_CTRL0 0x0 19c8609f38SJerome Brunet #define CTRL0_ENABLE_SHIFT 31 20c8609f38SJerome Brunet #define CTRL0_I2S_DAT_SEL GENMASK(13, 12) 21c8609f38SJerome Brunet #define CTRL0_I2S_LRCLK_SEL GENMASK(9, 8) 22c8609f38SJerome Brunet #define CTRL0_I2S_BLK_CAP_INV BIT(7) 23c8609f38SJerome Brunet #define CTRL0_I2S_BCLK_O_INV BIT(6) 24c8609f38SJerome Brunet #define CTRL0_I2S_BCLK_SEL GENMASK(5, 4) 25c8609f38SJerome Brunet #define CTRL0_SPDIF_CLK_CAP_INV BIT(3) 26c8609f38SJerome Brunet #define CTRL0_SPDIF_CLK_O_INV BIT(2) 27c8609f38SJerome Brunet #define CTRL0_SPDIF_SEL BIT(1) 28c8609f38SJerome Brunet #define CTRL0_SPDIF_CLK_SEL BIT(0) 29c8609f38SJerome Brunet 30c8609f38SJerome Brunet struct g12a_tohdmitx_input { 312c4956bcSJerome Brunet struct snd_soc_pcm_stream params; 32c8609f38SJerome Brunet unsigned int fmt; 33c8609f38SJerome Brunet }; 34c8609f38SJerome Brunet 35c8609f38SJerome Brunet static struct snd_soc_dapm_widget * 36c8609f38SJerome Brunet g12a_tohdmitx_get_input(struct snd_soc_dapm_widget *w) 37c8609f38SJerome Brunet { 38c8609f38SJerome Brunet struct snd_soc_dapm_path *p = NULL; 39c8609f38SJerome Brunet struct snd_soc_dapm_widget *in; 40c8609f38SJerome Brunet 41c8609f38SJerome Brunet snd_soc_dapm_widget_for_each_source_path(w, p) { 42c8609f38SJerome Brunet if (!p->connect) 43c8609f38SJerome Brunet continue; 44c8609f38SJerome Brunet 45c8609f38SJerome Brunet /* Check that we still are in the same component */ 46c8609f38SJerome Brunet if (snd_soc_dapm_to_component(w->dapm) != 47c8609f38SJerome Brunet snd_soc_dapm_to_component(p->source->dapm)) 48c8609f38SJerome Brunet continue; 49c8609f38SJerome Brunet 50c8609f38SJerome Brunet if (p->source->id == snd_soc_dapm_dai_in) 51c8609f38SJerome Brunet return p->source; 52c8609f38SJerome Brunet 53c8609f38SJerome Brunet in = g12a_tohdmitx_get_input(p->source); 54c8609f38SJerome Brunet if (in) 55c8609f38SJerome Brunet return in; 56c8609f38SJerome Brunet } 57c8609f38SJerome Brunet 58c8609f38SJerome Brunet return NULL; 59c8609f38SJerome Brunet } 60c8609f38SJerome Brunet 61c8609f38SJerome Brunet static struct g12a_tohdmitx_input * 62c8609f38SJerome Brunet g12a_tohdmitx_get_input_data(struct snd_soc_dapm_widget *w) 63c8609f38SJerome Brunet { 64c8609f38SJerome Brunet struct snd_soc_dapm_widget *in = 65c8609f38SJerome Brunet g12a_tohdmitx_get_input(w); 66c8609f38SJerome Brunet struct snd_soc_dai *dai; 67c8609f38SJerome Brunet 68c8609f38SJerome Brunet if (WARN_ON(!in)) 69c8609f38SJerome Brunet return NULL; 70c8609f38SJerome Brunet 71c8609f38SJerome Brunet dai = in->priv; 72c8609f38SJerome Brunet 73c8609f38SJerome Brunet return dai->playback_dma_data; 74c8609f38SJerome Brunet } 75c8609f38SJerome Brunet 76c8609f38SJerome Brunet static const char * const g12a_tohdmitx_i2s_mux_texts[] = { 77c8609f38SJerome Brunet "I2S A", "I2S B", "I2S C", 78c8609f38SJerome Brunet }; 79c8609f38SJerome Brunet 80c8609f38SJerome Brunet static SOC_ENUM_SINGLE_EXT_DECL(g12a_tohdmitx_i2s_mux_enum, 81c8609f38SJerome Brunet g12a_tohdmitx_i2s_mux_texts); 82c8609f38SJerome Brunet 83c8609f38SJerome Brunet static int g12a_tohdmitx_get_input_val(struct snd_soc_component *component, 84c8609f38SJerome Brunet unsigned int mask) 85c8609f38SJerome Brunet { 86c8609f38SJerome Brunet unsigned int val; 87c8609f38SJerome Brunet 88c8609f38SJerome Brunet snd_soc_component_read(component, TOHDMITX_CTRL0, &val); 89c8609f38SJerome Brunet return (val & mask) >> __ffs(mask); 90c8609f38SJerome Brunet } 91c8609f38SJerome Brunet 92c8609f38SJerome Brunet static int g12a_tohdmitx_i2s_mux_get_enum(struct snd_kcontrol *kcontrol, 93c8609f38SJerome Brunet struct snd_ctl_elem_value *ucontrol) 94c8609f38SJerome Brunet { 95c8609f38SJerome Brunet struct snd_soc_component *component = 96c8609f38SJerome Brunet snd_soc_dapm_kcontrol_component(kcontrol); 97c8609f38SJerome Brunet 98c8609f38SJerome Brunet ucontrol->value.enumerated.item[0] = 99c8609f38SJerome Brunet g12a_tohdmitx_get_input_val(component, CTRL0_I2S_DAT_SEL); 100c8609f38SJerome Brunet 101c8609f38SJerome Brunet return 0; 102c8609f38SJerome Brunet } 103c8609f38SJerome Brunet 104c8609f38SJerome Brunet static int g12a_tohdmitx_i2s_mux_put_enum(struct snd_kcontrol *kcontrol, 105c8609f38SJerome Brunet struct snd_ctl_elem_value *ucontrol) 106c8609f38SJerome Brunet { 107c8609f38SJerome Brunet struct snd_soc_component *component = 108c8609f38SJerome Brunet snd_soc_dapm_kcontrol_component(kcontrol); 109c8609f38SJerome Brunet struct snd_soc_dapm_context *dapm = 110c8609f38SJerome Brunet snd_soc_dapm_kcontrol_dapm(kcontrol); 111c8609f38SJerome Brunet struct soc_enum *e = (struct soc_enum *)kcontrol->private_value; 112c8609f38SJerome Brunet unsigned int mux = ucontrol->value.enumerated.item[0]; 113c8609f38SJerome Brunet unsigned int val = g12a_tohdmitx_get_input_val(component, 114c8609f38SJerome Brunet CTRL0_I2S_DAT_SEL); 115c8609f38SJerome Brunet 116c8609f38SJerome Brunet /* Force disconnect of the mux while updating */ 117c8609f38SJerome Brunet if (val != mux) 118c8609f38SJerome Brunet snd_soc_dapm_mux_update_power(dapm, kcontrol, 0, NULL, NULL); 119c8609f38SJerome Brunet 120c8609f38SJerome Brunet snd_soc_component_update_bits(component, TOHDMITX_CTRL0, 121c8609f38SJerome Brunet CTRL0_I2S_DAT_SEL | 122c8609f38SJerome Brunet CTRL0_I2S_LRCLK_SEL | 123c8609f38SJerome Brunet CTRL0_I2S_BCLK_SEL, 124c8609f38SJerome Brunet FIELD_PREP(CTRL0_I2S_DAT_SEL, mux) | 125c8609f38SJerome Brunet FIELD_PREP(CTRL0_I2S_LRCLK_SEL, mux) | 126c8609f38SJerome Brunet FIELD_PREP(CTRL0_I2S_BCLK_SEL, mux)); 127c8609f38SJerome Brunet 128c8609f38SJerome Brunet snd_soc_dapm_mux_update_power(dapm, kcontrol, mux, e, NULL); 129c8609f38SJerome Brunet 130c8609f38SJerome Brunet return 0; 131c8609f38SJerome Brunet } 132c8609f38SJerome Brunet 133c8609f38SJerome Brunet static const struct snd_kcontrol_new g12a_tohdmitx_i2s_mux = 134c8609f38SJerome Brunet SOC_DAPM_ENUM_EXT("I2S Source", g12a_tohdmitx_i2s_mux_enum, 135c8609f38SJerome Brunet g12a_tohdmitx_i2s_mux_get_enum, 136c8609f38SJerome Brunet g12a_tohdmitx_i2s_mux_put_enum); 137c8609f38SJerome Brunet 138c8609f38SJerome Brunet static const char * const g12a_tohdmitx_spdif_mux_texts[] = { 139c8609f38SJerome Brunet "SPDIF A", "SPDIF B", 140c8609f38SJerome Brunet }; 141c8609f38SJerome Brunet 142c8609f38SJerome Brunet static SOC_ENUM_SINGLE_EXT_DECL(g12a_tohdmitx_spdif_mux_enum, 143c8609f38SJerome Brunet g12a_tohdmitx_spdif_mux_texts); 144c8609f38SJerome Brunet 145c8609f38SJerome Brunet static int g12a_tohdmitx_spdif_mux_get_enum(struct snd_kcontrol *kcontrol, 146c8609f38SJerome Brunet struct snd_ctl_elem_value *ucontrol) 147c8609f38SJerome Brunet { 148c8609f38SJerome Brunet struct snd_soc_component *component = 149c8609f38SJerome Brunet snd_soc_dapm_kcontrol_component(kcontrol); 150c8609f38SJerome Brunet 151c8609f38SJerome Brunet ucontrol->value.enumerated.item[0] = 152c8609f38SJerome Brunet g12a_tohdmitx_get_input_val(component, CTRL0_SPDIF_SEL); 153c8609f38SJerome Brunet 154c8609f38SJerome Brunet return 0; 155c8609f38SJerome Brunet } 156c8609f38SJerome Brunet 157c8609f38SJerome Brunet static int g12a_tohdmitx_spdif_mux_put_enum(struct snd_kcontrol *kcontrol, 158c8609f38SJerome Brunet struct snd_ctl_elem_value *ucontrol) 159c8609f38SJerome Brunet { 160c8609f38SJerome Brunet struct snd_soc_component *component = 161c8609f38SJerome Brunet snd_soc_dapm_kcontrol_component(kcontrol); 162c8609f38SJerome Brunet struct snd_soc_dapm_context *dapm = 163c8609f38SJerome Brunet snd_soc_dapm_kcontrol_dapm(kcontrol); 164c8609f38SJerome Brunet struct soc_enum *e = (struct soc_enum *)kcontrol->private_value; 165c8609f38SJerome Brunet unsigned int mux = ucontrol->value.enumerated.item[0]; 166c8609f38SJerome Brunet unsigned int val = g12a_tohdmitx_get_input_val(component, 167c8609f38SJerome Brunet CTRL0_SPDIF_SEL); 168c8609f38SJerome Brunet 169c8609f38SJerome Brunet /* Force disconnect of the mux while updating */ 170c8609f38SJerome Brunet if (val != mux) 171c8609f38SJerome Brunet snd_soc_dapm_mux_update_power(dapm, kcontrol, 0, NULL, NULL); 172c8609f38SJerome Brunet 173c8609f38SJerome Brunet snd_soc_component_update_bits(component, TOHDMITX_CTRL0, 174c8609f38SJerome Brunet CTRL0_SPDIF_SEL | 175c8609f38SJerome Brunet CTRL0_SPDIF_CLK_SEL, 176c8609f38SJerome Brunet FIELD_PREP(CTRL0_SPDIF_SEL, mux) | 177c8609f38SJerome Brunet FIELD_PREP(CTRL0_SPDIF_CLK_SEL, mux)); 178c8609f38SJerome Brunet 179c8609f38SJerome Brunet snd_soc_dapm_mux_update_power(dapm, kcontrol, mux, e, NULL); 180c8609f38SJerome Brunet 181c8609f38SJerome Brunet return 0; 182c8609f38SJerome Brunet } 183c8609f38SJerome Brunet 184c8609f38SJerome Brunet static const struct snd_kcontrol_new g12a_tohdmitx_spdif_mux = 185c8609f38SJerome Brunet SOC_DAPM_ENUM_EXT("SPDIF Source", g12a_tohdmitx_spdif_mux_enum, 186c8609f38SJerome Brunet g12a_tohdmitx_spdif_mux_get_enum, 187c8609f38SJerome Brunet g12a_tohdmitx_spdif_mux_put_enum); 188c8609f38SJerome Brunet 189c8609f38SJerome Brunet static const struct snd_kcontrol_new g12a_tohdmitx_out_enable = 190c8609f38SJerome Brunet SOC_DAPM_SINGLE_AUTODISABLE("Switch", TOHDMITX_CTRL0, 191c8609f38SJerome Brunet CTRL0_ENABLE_SHIFT, 1, 0); 192c8609f38SJerome Brunet 193c8609f38SJerome Brunet static const struct snd_soc_dapm_widget g12a_tohdmitx_widgets[] = { 194c8609f38SJerome Brunet SND_SOC_DAPM_MUX("I2S SRC", SND_SOC_NOPM, 0, 0, 195c8609f38SJerome Brunet &g12a_tohdmitx_i2s_mux), 196c8609f38SJerome Brunet SND_SOC_DAPM_SWITCH("I2S OUT EN", SND_SOC_NOPM, 0, 0, 197c8609f38SJerome Brunet &g12a_tohdmitx_out_enable), 198c8609f38SJerome Brunet SND_SOC_DAPM_MUX("SPDIF SRC", SND_SOC_NOPM, 0, 0, 199c8609f38SJerome Brunet &g12a_tohdmitx_spdif_mux), 200c8609f38SJerome Brunet SND_SOC_DAPM_SWITCH("SPDIF OUT EN", SND_SOC_NOPM, 0, 0, 201c8609f38SJerome Brunet &g12a_tohdmitx_out_enable), 202c8609f38SJerome Brunet }; 203c8609f38SJerome Brunet 204c8609f38SJerome Brunet static int g12a_tohdmitx_input_probe(struct snd_soc_dai *dai) 205c8609f38SJerome Brunet { 206c8609f38SJerome Brunet struct g12a_tohdmitx_input *data; 207c8609f38SJerome Brunet 208c8609f38SJerome Brunet data = kzalloc(sizeof(*data), GFP_KERNEL); 209c8609f38SJerome Brunet if (!data) 210c8609f38SJerome Brunet return -ENOMEM; 211c8609f38SJerome Brunet 212c8609f38SJerome Brunet dai->playback_dma_data = data; 213c8609f38SJerome Brunet return 0; 214c8609f38SJerome Brunet } 215c8609f38SJerome Brunet 216c8609f38SJerome Brunet static int g12a_tohdmitx_input_remove(struct snd_soc_dai *dai) 217c8609f38SJerome Brunet { 218c8609f38SJerome Brunet kfree(dai->playback_dma_data); 219c8609f38SJerome Brunet return 0; 220c8609f38SJerome Brunet } 221c8609f38SJerome Brunet 222c8609f38SJerome Brunet static int g12a_tohdmitx_input_hw_params(struct snd_pcm_substream *substream, 223c8609f38SJerome Brunet struct snd_pcm_hw_params *params, 224c8609f38SJerome Brunet struct snd_soc_dai *dai) 225c8609f38SJerome Brunet { 226c8609f38SJerome Brunet struct g12a_tohdmitx_input *data = dai->playback_dma_data; 227c8609f38SJerome Brunet 2282c4956bcSJerome Brunet data->params.rates = snd_pcm_rate_to_rate_bit(params_rate(params)); 2292c4956bcSJerome Brunet data->params.rate_min = params_rate(params); 2302c4956bcSJerome Brunet data->params.rate_max = params_rate(params); 2312c4956bcSJerome Brunet data->params.formats = 1 << params_format(params); 2322c4956bcSJerome Brunet data->params.channels_min = params_channels(params); 2332c4956bcSJerome Brunet data->params.channels_max = params_channels(params); 2342c4956bcSJerome Brunet data->params.sig_bits = dai->driver->playback.sig_bits; 235c8609f38SJerome Brunet 236c8609f38SJerome Brunet return 0; 237c8609f38SJerome Brunet } 238c8609f38SJerome Brunet 239c8609f38SJerome Brunet 240c8609f38SJerome Brunet static int g12a_tohdmitx_input_set_fmt(struct snd_soc_dai *dai, 241c8609f38SJerome Brunet unsigned int fmt) 242c8609f38SJerome Brunet { 243c8609f38SJerome Brunet struct g12a_tohdmitx_input *data = dai->playback_dma_data; 244c8609f38SJerome Brunet 245c8609f38SJerome Brunet /* Save the source stream format for the downstream link */ 246c8609f38SJerome Brunet data->fmt = fmt; 247c8609f38SJerome Brunet return 0; 248c8609f38SJerome Brunet } 249c8609f38SJerome Brunet 250c8609f38SJerome Brunet static int g12a_tohdmitx_output_startup(struct snd_pcm_substream *substream, 251c8609f38SJerome Brunet struct snd_soc_dai *dai) 252c8609f38SJerome Brunet { 253c8609f38SJerome Brunet struct snd_soc_pcm_runtime *rtd = substream->private_data; 254c8609f38SJerome Brunet struct g12a_tohdmitx_input *in_data = 255c8609f38SJerome Brunet g12a_tohdmitx_get_input_data(dai->capture_widget); 256c8609f38SJerome Brunet 257c8609f38SJerome Brunet if (!in_data) 258c8609f38SJerome Brunet return -ENODEV; 259c8609f38SJerome Brunet 2602c4956bcSJerome Brunet if (WARN_ON(!rtd->dai_link->params)) { 2612c4956bcSJerome Brunet dev_warn(dai->dev, "codec2codec link expected\n"); 2622c4956bcSJerome Brunet return -EINVAL; 2632c4956bcSJerome Brunet } 2642c4956bcSJerome Brunet 2652c4956bcSJerome Brunet /* Replace link params with the input params */ 2662c4956bcSJerome Brunet rtd->dai_link->params = &in_data->params; 2672c4956bcSJerome Brunet 268c8609f38SJerome Brunet if (!in_data->fmt) 269c8609f38SJerome Brunet return 0; 270c8609f38SJerome Brunet 271c8609f38SJerome Brunet return snd_soc_runtime_set_dai_fmt(rtd, in_data->fmt); 272c8609f38SJerome Brunet } 273c8609f38SJerome Brunet 274c8609f38SJerome Brunet static const struct snd_soc_dai_ops g12a_tohdmitx_input_ops = { 275c8609f38SJerome Brunet .hw_params = g12a_tohdmitx_input_hw_params, 276c8609f38SJerome Brunet .set_fmt = g12a_tohdmitx_input_set_fmt, 277c8609f38SJerome Brunet }; 278c8609f38SJerome Brunet 279c8609f38SJerome Brunet static const struct snd_soc_dai_ops g12a_tohdmitx_output_ops = { 280c8609f38SJerome Brunet .startup = g12a_tohdmitx_output_startup, 281c8609f38SJerome Brunet }; 282c8609f38SJerome Brunet 283c8609f38SJerome Brunet #define TOHDMITX_SPDIF_FORMATS \ 284c8609f38SJerome Brunet (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S20_3LE | \ 285c8609f38SJerome Brunet SNDRV_PCM_FMTBIT_S24_3LE | SNDRV_PCM_FMTBIT_S24_LE) 286c8609f38SJerome Brunet 287c8609f38SJerome Brunet #define TOHDMITX_I2S_FORMATS \ 288c8609f38SJerome Brunet (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S20_3LE | \ 289c8609f38SJerome Brunet SNDRV_PCM_FMTBIT_S24_3LE | SNDRV_PCM_FMTBIT_S24_LE | \ 290c8609f38SJerome Brunet SNDRV_PCM_FMTBIT_S32_LE) 291c8609f38SJerome Brunet 292c8609f38SJerome Brunet #define TOHDMITX_STREAM(xname, xsuffix, xfmt, xchmax) \ 293c8609f38SJerome Brunet { \ 294c8609f38SJerome Brunet .stream_name = xname " " xsuffix, \ 295c8609f38SJerome Brunet .channels_min = 1, \ 296c8609f38SJerome Brunet .channels_max = (xchmax), \ 297c8609f38SJerome Brunet .rate_min = 8000, \ 298c8609f38SJerome Brunet .rate_max = 192000, \ 299c8609f38SJerome Brunet .formats = (xfmt), \ 300c8609f38SJerome Brunet } 301c8609f38SJerome Brunet 302c8609f38SJerome Brunet #define TOHDMITX_IN(xname, xid, xfmt, xchmax) { \ 303c8609f38SJerome Brunet .name = xname, \ 304c8609f38SJerome Brunet .id = (xid), \ 305c8609f38SJerome Brunet .playback = TOHDMITX_STREAM(xname, "Playback", xfmt, xchmax), \ 306c8609f38SJerome Brunet .ops = &g12a_tohdmitx_input_ops, \ 307c8609f38SJerome Brunet .probe = g12a_tohdmitx_input_probe, \ 308c8609f38SJerome Brunet .remove = g12a_tohdmitx_input_remove, \ 309c8609f38SJerome Brunet } 310c8609f38SJerome Brunet 311c8609f38SJerome Brunet #define TOHDMITX_OUT(xname, xid, xfmt, xchmax) { \ 312c8609f38SJerome Brunet .name = xname, \ 313c8609f38SJerome Brunet .id = (xid), \ 314c8609f38SJerome Brunet .capture = TOHDMITX_STREAM(xname, "Capture", xfmt, xchmax), \ 315c8609f38SJerome Brunet .ops = &g12a_tohdmitx_output_ops, \ 316c8609f38SJerome Brunet } 317c8609f38SJerome Brunet 318c8609f38SJerome Brunet static struct snd_soc_dai_driver g12a_tohdmitx_dai_drv[] = { 319c8609f38SJerome Brunet TOHDMITX_IN("I2S IN A", TOHDMITX_I2S_IN_A, 320c8609f38SJerome Brunet TOHDMITX_I2S_FORMATS, 8), 321c8609f38SJerome Brunet TOHDMITX_IN("I2S IN B", TOHDMITX_I2S_IN_B, 322c8609f38SJerome Brunet TOHDMITX_I2S_FORMATS, 8), 323c8609f38SJerome Brunet TOHDMITX_IN("I2S IN C", TOHDMITX_I2S_IN_C, 324c8609f38SJerome Brunet TOHDMITX_I2S_FORMATS, 8), 325c8609f38SJerome Brunet TOHDMITX_OUT("I2S OUT", TOHDMITX_I2S_OUT, 326c8609f38SJerome Brunet TOHDMITX_I2S_FORMATS, 8), 327c8609f38SJerome Brunet TOHDMITX_IN("SPDIF IN A", TOHDMITX_SPDIF_IN_A, 328c8609f38SJerome Brunet TOHDMITX_SPDIF_FORMATS, 2), 329c8609f38SJerome Brunet TOHDMITX_IN("SPDIF IN B", TOHDMITX_SPDIF_IN_B, 330c8609f38SJerome Brunet TOHDMITX_SPDIF_FORMATS, 2), 331c8609f38SJerome Brunet TOHDMITX_OUT("SPDIF OUT", TOHDMITX_SPDIF_OUT, 332c8609f38SJerome Brunet TOHDMITX_SPDIF_FORMATS, 2), 333c8609f38SJerome Brunet }; 334c8609f38SJerome Brunet 335c8609f38SJerome Brunet static int g12a_tohdmi_component_probe(struct snd_soc_component *c) 336c8609f38SJerome Brunet { 337c8609f38SJerome Brunet /* Initialize the static clock parameters */ 338c8609f38SJerome Brunet return snd_soc_component_write(c, TOHDMITX_CTRL0, 339c8609f38SJerome Brunet CTRL0_I2S_BLK_CAP_INV | CTRL0_SPDIF_CLK_CAP_INV); 340c8609f38SJerome Brunet } 341c8609f38SJerome Brunet 342c8609f38SJerome Brunet static const struct snd_soc_dapm_route g12a_tohdmitx_routes[] = { 343c8609f38SJerome Brunet { "I2S SRC", "I2S A", "I2S IN A Playback" }, 344c8609f38SJerome Brunet { "I2S SRC", "I2S B", "I2S IN B Playback" }, 345c8609f38SJerome Brunet { "I2S SRC", "I2S C", "I2S IN C Playback" }, 346c8609f38SJerome Brunet { "I2S OUT EN", "Switch", "I2S SRC" }, 347c8609f38SJerome Brunet { "I2S OUT Capture", NULL, "I2S OUT EN" }, 348c8609f38SJerome Brunet { "SPDIF SRC", "SPDIF A", "SPDIF IN A Playback" }, 349c8609f38SJerome Brunet { "SPDIF SRC", "SPDIF B", "SPDIF IN B Playback" }, 350c8609f38SJerome Brunet { "SPDIF OUT EN", "Switch", "SPDIF SRC" }, 351c8609f38SJerome Brunet { "SPDIF OUT Capture", NULL, "SPDIF OUT EN" }, 352c8609f38SJerome Brunet }; 353c8609f38SJerome Brunet 354c8609f38SJerome Brunet static const struct snd_soc_component_driver g12a_tohdmitx_component_drv = { 355c8609f38SJerome Brunet .probe = g12a_tohdmi_component_probe, 356c8609f38SJerome Brunet .dapm_widgets = g12a_tohdmitx_widgets, 357c8609f38SJerome Brunet .num_dapm_widgets = ARRAY_SIZE(g12a_tohdmitx_widgets), 358c8609f38SJerome Brunet .dapm_routes = g12a_tohdmitx_routes, 359c8609f38SJerome Brunet .num_dapm_routes = ARRAY_SIZE(g12a_tohdmitx_routes), 360c8609f38SJerome Brunet .endianness = 1, 361c8609f38SJerome Brunet .non_legacy_dai_naming = 1, 362c8609f38SJerome Brunet }; 363c8609f38SJerome Brunet 364c8609f38SJerome Brunet static const struct regmap_config g12a_tohdmitx_regmap_cfg = { 365c8609f38SJerome Brunet .reg_bits = 32, 366c8609f38SJerome Brunet .val_bits = 32, 367c8609f38SJerome Brunet .reg_stride = 4, 368c8609f38SJerome Brunet }; 369c8609f38SJerome Brunet 370c8609f38SJerome Brunet static const struct of_device_id g12a_tohdmitx_of_match[] = { 371c8609f38SJerome Brunet { .compatible = "amlogic,g12a-tohdmitx", }, 372c8609f38SJerome Brunet {} 373c8609f38SJerome Brunet }; 374c8609f38SJerome Brunet MODULE_DEVICE_TABLE(of, g12a_tohdmitx_of_match); 375c8609f38SJerome Brunet 376c8609f38SJerome Brunet static int g12a_tohdmitx_probe(struct platform_device *pdev) 377c8609f38SJerome Brunet { 378c8609f38SJerome Brunet struct device *dev = &pdev->dev; 379c8609f38SJerome Brunet void __iomem *regs; 380c8609f38SJerome Brunet struct regmap *map; 381c8609f38SJerome Brunet 382*a95c9012SYueHaibing regs = devm_platform_ioremap_resource(pdev, 0); 383c8609f38SJerome Brunet if (IS_ERR(regs)) 384c8609f38SJerome Brunet return PTR_ERR(regs); 385c8609f38SJerome Brunet 386c8609f38SJerome Brunet map = devm_regmap_init_mmio(dev, regs, &g12a_tohdmitx_regmap_cfg); 387c8609f38SJerome Brunet if (IS_ERR(map)) { 388c8609f38SJerome Brunet dev_err(dev, "failed to init regmap: %ld\n", 389c8609f38SJerome Brunet PTR_ERR(map)); 390c8609f38SJerome Brunet return PTR_ERR(map); 391c8609f38SJerome Brunet } 392c8609f38SJerome Brunet 393c8609f38SJerome Brunet return devm_snd_soc_register_component(dev, 394c8609f38SJerome Brunet &g12a_tohdmitx_component_drv, g12a_tohdmitx_dai_drv, 395c8609f38SJerome Brunet ARRAY_SIZE(g12a_tohdmitx_dai_drv)); 396c8609f38SJerome Brunet } 397c8609f38SJerome Brunet 398c8609f38SJerome Brunet static struct platform_driver g12a_tohdmitx_pdrv = { 399c8609f38SJerome Brunet .driver = { 400c8609f38SJerome Brunet .name = G12A_TOHDMITX_DRV_NAME, 401c8609f38SJerome Brunet .of_match_table = g12a_tohdmitx_of_match, 402c8609f38SJerome Brunet }, 403c8609f38SJerome Brunet .probe = g12a_tohdmitx_probe, 404c8609f38SJerome Brunet }; 405c8609f38SJerome Brunet module_platform_driver(g12a_tohdmitx_pdrv); 406c8609f38SJerome Brunet 407c8609f38SJerome Brunet MODULE_AUTHOR("Jerome Brunet <jbrunet@baylibre.com>"); 408c8609f38SJerome Brunet MODULE_DESCRIPTION("Amlogic G12a To HDMI Tx Control Codec Driver"); 409c8609f38SJerome Brunet MODULE_LICENSE("GPL v2"); 410