1*c8609f38SJerome Brunet // SPDX-License-Identifier: GPL-2.0 2*c8609f38SJerome Brunet // 3*c8609f38SJerome Brunet // Copyright (c) 2019 BayLibre, SAS. 4*c8609f38SJerome Brunet // Author: Jerome Brunet <jbrunet@baylibre.com> 5*c8609f38SJerome Brunet 6*c8609f38SJerome Brunet #include <linux/bitfield.h> 7*c8609f38SJerome Brunet #include <linux/clk.h> 8*c8609f38SJerome Brunet #include <linux/module.h> 9*c8609f38SJerome Brunet #include <sound/pcm_params.h> 10*c8609f38SJerome Brunet #include <linux/regmap.h> 11*c8609f38SJerome Brunet #include <sound/soc.h> 12*c8609f38SJerome Brunet #include <sound/soc-dai.h> 13*c8609f38SJerome Brunet 14*c8609f38SJerome Brunet #include <dt-bindings/sound/meson-g12a-tohdmitx.h> 15*c8609f38SJerome Brunet 16*c8609f38SJerome Brunet #define G12A_TOHDMITX_DRV_NAME "g12a-tohdmitx" 17*c8609f38SJerome Brunet 18*c8609f38SJerome Brunet #define TOHDMITX_CTRL0 0x0 19*c8609f38SJerome Brunet #define CTRL0_ENABLE_SHIFT 31 20*c8609f38SJerome Brunet #define CTRL0_I2S_DAT_SEL GENMASK(13, 12) 21*c8609f38SJerome Brunet #define CTRL0_I2S_LRCLK_SEL GENMASK(9, 8) 22*c8609f38SJerome Brunet #define CTRL0_I2S_BLK_CAP_INV BIT(7) 23*c8609f38SJerome Brunet #define CTRL0_I2S_BCLK_O_INV BIT(6) 24*c8609f38SJerome Brunet #define CTRL0_I2S_BCLK_SEL GENMASK(5, 4) 25*c8609f38SJerome Brunet #define CTRL0_SPDIF_CLK_CAP_INV BIT(3) 26*c8609f38SJerome Brunet #define CTRL0_SPDIF_CLK_O_INV BIT(2) 27*c8609f38SJerome Brunet #define CTRL0_SPDIF_SEL BIT(1) 28*c8609f38SJerome Brunet #define CTRL0_SPDIF_CLK_SEL BIT(0) 29*c8609f38SJerome Brunet 30*c8609f38SJerome Brunet struct g12a_tohdmitx_input { 31*c8609f38SJerome Brunet struct snd_pcm_hw_params params; 32*c8609f38SJerome Brunet unsigned int fmt; 33*c8609f38SJerome Brunet }; 34*c8609f38SJerome Brunet 35*c8609f38SJerome Brunet static struct snd_soc_dapm_widget * 36*c8609f38SJerome Brunet g12a_tohdmitx_get_input(struct snd_soc_dapm_widget *w) 37*c8609f38SJerome Brunet { 38*c8609f38SJerome Brunet struct snd_soc_dapm_path *p = NULL; 39*c8609f38SJerome Brunet struct snd_soc_dapm_widget *in; 40*c8609f38SJerome Brunet 41*c8609f38SJerome Brunet snd_soc_dapm_widget_for_each_source_path(w, p) { 42*c8609f38SJerome Brunet if (!p->connect) 43*c8609f38SJerome Brunet continue; 44*c8609f38SJerome Brunet 45*c8609f38SJerome Brunet /* Check that we still are in the same component */ 46*c8609f38SJerome Brunet if (snd_soc_dapm_to_component(w->dapm) != 47*c8609f38SJerome Brunet snd_soc_dapm_to_component(p->source->dapm)) 48*c8609f38SJerome Brunet continue; 49*c8609f38SJerome Brunet 50*c8609f38SJerome Brunet if (p->source->id == snd_soc_dapm_dai_in) 51*c8609f38SJerome Brunet return p->source; 52*c8609f38SJerome Brunet 53*c8609f38SJerome Brunet in = g12a_tohdmitx_get_input(p->source); 54*c8609f38SJerome Brunet if (in) 55*c8609f38SJerome Brunet return in; 56*c8609f38SJerome Brunet } 57*c8609f38SJerome Brunet 58*c8609f38SJerome Brunet return NULL; 59*c8609f38SJerome Brunet } 60*c8609f38SJerome Brunet 61*c8609f38SJerome Brunet static struct g12a_tohdmitx_input * 62*c8609f38SJerome Brunet g12a_tohdmitx_get_input_data(struct snd_soc_dapm_widget *w) 63*c8609f38SJerome Brunet { 64*c8609f38SJerome Brunet struct snd_soc_dapm_widget *in = 65*c8609f38SJerome Brunet g12a_tohdmitx_get_input(w); 66*c8609f38SJerome Brunet struct snd_soc_dai *dai; 67*c8609f38SJerome Brunet 68*c8609f38SJerome Brunet if (WARN_ON(!in)) 69*c8609f38SJerome Brunet return NULL; 70*c8609f38SJerome Brunet 71*c8609f38SJerome Brunet dai = in->priv; 72*c8609f38SJerome Brunet 73*c8609f38SJerome Brunet return dai->playback_dma_data; 74*c8609f38SJerome Brunet } 75*c8609f38SJerome Brunet 76*c8609f38SJerome Brunet static const char * const g12a_tohdmitx_i2s_mux_texts[] = { 77*c8609f38SJerome Brunet "I2S A", "I2S B", "I2S C", 78*c8609f38SJerome Brunet }; 79*c8609f38SJerome Brunet 80*c8609f38SJerome Brunet static SOC_ENUM_SINGLE_EXT_DECL(g12a_tohdmitx_i2s_mux_enum, 81*c8609f38SJerome Brunet g12a_tohdmitx_i2s_mux_texts); 82*c8609f38SJerome Brunet 83*c8609f38SJerome Brunet static int g12a_tohdmitx_get_input_val(struct snd_soc_component *component, 84*c8609f38SJerome Brunet unsigned int mask) 85*c8609f38SJerome Brunet { 86*c8609f38SJerome Brunet unsigned int val; 87*c8609f38SJerome Brunet 88*c8609f38SJerome Brunet snd_soc_component_read(component, TOHDMITX_CTRL0, &val); 89*c8609f38SJerome Brunet return (val & mask) >> __ffs(mask); 90*c8609f38SJerome Brunet } 91*c8609f38SJerome Brunet 92*c8609f38SJerome Brunet static int g12a_tohdmitx_i2s_mux_get_enum(struct snd_kcontrol *kcontrol, 93*c8609f38SJerome Brunet struct snd_ctl_elem_value *ucontrol) 94*c8609f38SJerome Brunet { 95*c8609f38SJerome Brunet struct snd_soc_component *component = 96*c8609f38SJerome Brunet snd_soc_dapm_kcontrol_component(kcontrol); 97*c8609f38SJerome Brunet 98*c8609f38SJerome Brunet ucontrol->value.enumerated.item[0] = 99*c8609f38SJerome Brunet g12a_tohdmitx_get_input_val(component, CTRL0_I2S_DAT_SEL); 100*c8609f38SJerome Brunet 101*c8609f38SJerome Brunet return 0; 102*c8609f38SJerome Brunet } 103*c8609f38SJerome Brunet 104*c8609f38SJerome Brunet static int g12a_tohdmitx_i2s_mux_put_enum(struct snd_kcontrol *kcontrol, 105*c8609f38SJerome Brunet struct snd_ctl_elem_value *ucontrol) 106*c8609f38SJerome Brunet { 107*c8609f38SJerome Brunet struct snd_soc_component *component = 108*c8609f38SJerome Brunet snd_soc_dapm_kcontrol_component(kcontrol); 109*c8609f38SJerome Brunet struct snd_soc_dapm_context *dapm = 110*c8609f38SJerome Brunet snd_soc_dapm_kcontrol_dapm(kcontrol); 111*c8609f38SJerome Brunet struct soc_enum *e = (struct soc_enum *)kcontrol->private_value; 112*c8609f38SJerome Brunet unsigned int mux = ucontrol->value.enumerated.item[0]; 113*c8609f38SJerome Brunet unsigned int val = g12a_tohdmitx_get_input_val(component, 114*c8609f38SJerome Brunet CTRL0_I2S_DAT_SEL); 115*c8609f38SJerome Brunet 116*c8609f38SJerome Brunet /* Force disconnect of the mux while updating */ 117*c8609f38SJerome Brunet if (val != mux) 118*c8609f38SJerome Brunet snd_soc_dapm_mux_update_power(dapm, kcontrol, 0, NULL, NULL); 119*c8609f38SJerome Brunet 120*c8609f38SJerome Brunet snd_soc_component_update_bits(component, TOHDMITX_CTRL0, 121*c8609f38SJerome Brunet CTRL0_I2S_DAT_SEL | 122*c8609f38SJerome Brunet CTRL0_I2S_LRCLK_SEL | 123*c8609f38SJerome Brunet CTRL0_I2S_BCLK_SEL, 124*c8609f38SJerome Brunet FIELD_PREP(CTRL0_I2S_DAT_SEL, mux) | 125*c8609f38SJerome Brunet FIELD_PREP(CTRL0_I2S_LRCLK_SEL, mux) | 126*c8609f38SJerome Brunet FIELD_PREP(CTRL0_I2S_BCLK_SEL, mux)); 127*c8609f38SJerome Brunet 128*c8609f38SJerome Brunet snd_soc_dapm_mux_update_power(dapm, kcontrol, mux, e, NULL); 129*c8609f38SJerome Brunet 130*c8609f38SJerome Brunet return 0; 131*c8609f38SJerome Brunet } 132*c8609f38SJerome Brunet 133*c8609f38SJerome Brunet static const struct snd_kcontrol_new g12a_tohdmitx_i2s_mux = 134*c8609f38SJerome Brunet SOC_DAPM_ENUM_EXT("I2S Source", g12a_tohdmitx_i2s_mux_enum, 135*c8609f38SJerome Brunet g12a_tohdmitx_i2s_mux_get_enum, 136*c8609f38SJerome Brunet g12a_tohdmitx_i2s_mux_put_enum); 137*c8609f38SJerome Brunet 138*c8609f38SJerome Brunet static const char * const g12a_tohdmitx_spdif_mux_texts[] = { 139*c8609f38SJerome Brunet "SPDIF A", "SPDIF B", 140*c8609f38SJerome Brunet }; 141*c8609f38SJerome Brunet 142*c8609f38SJerome Brunet static SOC_ENUM_SINGLE_EXT_DECL(g12a_tohdmitx_spdif_mux_enum, 143*c8609f38SJerome Brunet g12a_tohdmitx_spdif_mux_texts); 144*c8609f38SJerome Brunet 145*c8609f38SJerome Brunet static int g12a_tohdmitx_spdif_mux_get_enum(struct snd_kcontrol *kcontrol, 146*c8609f38SJerome Brunet struct snd_ctl_elem_value *ucontrol) 147*c8609f38SJerome Brunet { 148*c8609f38SJerome Brunet struct snd_soc_component *component = 149*c8609f38SJerome Brunet snd_soc_dapm_kcontrol_component(kcontrol); 150*c8609f38SJerome Brunet 151*c8609f38SJerome Brunet ucontrol->value.enumerated.item[0] = 152*c8609f38SJerome Brunet g12a_tohdmitx_get_input_val(component, CTRL0_SPDIF_SEL); 153*c8609f38SJerome Brunet 154*c8609f38SJerome Brunet return 0; 155*c8609f38SJerome Brunet } 156*c8609f38SJerome Brunet 157*c8609f38SJerome Brunet static int g12a_tohdmitx_spdif_mux_put_enum(struct snd_kcontrol *kcontrol, 158*c8609f38SJerome Brunet struct snd_ctl_elem_value *ucontrol) 159*c8609f38SJerome Brunet { 160*c8609f38SJerome Brunet struct snd_soc_component *component = 161*c8609f38SJerome Brunet snd_soc_dapm_kcontrol_component(kcontrol); 162*c8609f38SJerome Brunet struct snd_soc_dapm_context *dapm = 163*c8609f38SJerome Brunet snd_soc_dapm_kcontrol_dapm(kcontrol); 164*c8609f38SJerome Brunet struct soc_enum *e = (struct soc_enum *)kcontrol->private_value; 165*c8609f38SJerome Brunet unsigned int mux = ucontrol->value.enumerated.item[0]; 166*c8609f38SJerome Brunet unsigned int val = g12a_tohdmitx_get_input_val(component, 167*c8609f38SJerome Brunet CTRL0_SPDIF_SEL); 168*c8609f38SJerome Brunet 169*c8609f38SJerome Brunet /* Force disconnect of the mux while updating */ 170*c8609f38SJerome Brunet if (val != mux) 171*c8609f38SJerome Brunet snd_soc_dapm_mux_update_power(dapm, kcontrol, 0, NULL, NULL); 172*c8609f38SJerome Brunet 173*c8609f38SJerome Brunet snd_soc_component_update_bits(component, TOHDMITX_CTRL0, 174*c8609f38SJerome Brunet CTRL0_SPDIF_SEL | 175*c8609f38SJerome Brunet CTRL0_SPDIF_CLK_SEL, 176*c8609f38SJerome Brunet FIELD_PREP(CTRL0_SPDIF_SEL, mux) | 177*c8609f38SJerome Brunet FIELD_PREP(CTRL0_SPDIF_CLK_SEL, mux)); 178*c8609f38SJerome Brunet 179*c8609f38SJerome Brunet snd_soc_dapm_mux_update_power(dapm, kcontrol, mux, e, NULL); 180*c8609f38SJerome Brunet 181*c8609f38SJerome Brunet return 0; 182*c8609f38SJerome Brunet } 183*c8609f38SJerome Brunet 184*c8609f38SJerome Brunet static const struct snd_kcontrol_new g12a_tohdmitx_spdif_mux = 185*c8609f38SJerome Brunet SOC_DAPM_ENUM_EXT("SPDIF Source", g12a_tohdmitx_spdif_mux_enum, 186*c8609f38SJerome Brunet g12a_tohdmitx_spdif_mux_get_enum, 187*c8609f38SJerome Brunet g12a_tohdmitx_spdif_mux_put_enum); 188*c8609f38SJerome Brunet 189*c8609f38SJerome Brunet static const struct snd_kcontrol_new g12a_tohdmitx_out_enable = 190*c8609f38SJerome Brunet SOC_DAPM_SINGLE_AUTODISABLE("Switch", TOHDMITX_CTRL0, 191*c8609f38SJerome Brunet CTRL0_ENABLE_SHIFT, 1, 0); 192*c8609f38SJerome Brunet 193*c8609f38SJerome Brunet static const struct snd_soc_dapm_widget g12a_tohdmitx_widgets[] = { 194*c8609f38SJerome Brunet SND_SOC_DAPM_MUX("I2S SRC", SND_SOC_NOPM, 0, 0, 195*c8609f38SJerome Brunet &g12a_tohdmitx_i2s_mux), 196*c8609f38SJerome Brunet SND_SOC_DAPM_SWITCH("I2S OUT EN", SND_SOC_NOPM, 0, 0, 197*c8609f38SJerome Brunet &g12a_tohdmitx_out_enable), 198*c8609f38SJerome Brunet SND_SOC_DAPM_MUX("SPDIF SRC", SND_SOC_NOPM, 0, 0, 199*c8609f38SJerome Brunet &g12a_tohdmitx_spdif_mux), 200*c8609f38SJerome Brunet SND_SOC_DAPM_SWITCH("SPDIF OUT EN", SND_SOC_NOPM, 0, 0, 201*c8609f38SJerome Brunet &g12a_tohdmitx_out_enable), 202*c8609f38SJerome Brunet }; 203*c8609f38SJerome Brunet 204*c8609f38SJerome Brunet static int g12a_tohdmitx_input_probe(struct snd_soc_dai *dai) 205*c8609f38SJerome Brunet { 206*c8609f38SJerome Brunet struct g12a_tohdmitx_input *data; 207*c8609f38SJerome Brunet 208*c8609f38SJerome Brunet data = kzalloc(sizeof(*data), GFP_KERNEL); 209*c8609f38SJerome Brunet if (!data) 210*c8609f38SJerome Brunet return -ENOMEM; 211*c8609f38SJerome Brunet 212*c8609f38SJerome Brunet dai->playback_dma_data = data; 213*c8609f38SJerome Brunet return 0; 214*c8609f38SJerome Brunet } 215*c8609f38SJerome Brunet 216*c8609f38SJerome Brunet static int g12a_tohdmitx_input_remove(struct snd_soc_dai *dai) 217*c8609f38SJerome Brunet { 218*c8609f38SJerome Brunet kfree(dai->playback_dma_data); 219*c8609f38SJerome Brunet return 0; 220*c8609f38SJerome Brunet } 221*c8609f38SJerome Brunet 222*c8609f38SJerome Brunet static int g12a_tohdmitx_input_hw_params(struct snd_pcm_substream *substream, 223*c8609f38SJerome Brunet struct snd_pcm_hw_params *params, 224*c8609f38SJerome Brunet struct snd_soc_dai *dai) 225*c8609f38SJerome Brunet { 226*c8609f38SJerome Brunet struct g12a_tohdmitx_input *data = dai->playback_dma_data; 227*c8609f38SJerome Brunet 228*c8609f38SJerome Brunet /* Save the stream params for the downstream link */ 229*c8609f38SJerome Brunet memcpy(&data->params, params, sizeof(*params)); 230*c8609f38SJerome Brunet 231*c8609f38SJerome Brunet return 0; 232*c8609f38SJerome Brunet } 233*c8609f38SJerome Brunet 234*c8609f38SJerome Brunet static int g12a_tohdmitx_output_hw_params(struct snd_pcm_substream *substream, 235*c8609f38SJerome Brunet struct snd_pcm_hw_params *params, 236*c8609f38SJerome Brunet struct snd_soc_dai *dai) 237*c8609f38SJerome Brunet { 238*c8609f38SJerome Brunet struct g12a_tohdmitx_input *in_data = 239*c8609f38SJerome Brunet g12a_tohdmitx_get_input_data(dai->capture_widget); 240*c8609f38SJerome Brunet 241*c8609f38SJerome Brunet if (!in_data) 242*c8609f38SJerome Brunet return -ENODEV; 243*c8609f38SJerome Brunet 244*c8609f38SJerome Brunet memcpy(params, &in_data->params, sizeof(*params)); 245*c8609f38SJerome Brunet 246*c8609f38SJerome Brunet return 0; 247*c8609f38SJerome Brunet } 248*c8609f38SJerome Brunet 249*c8609f38SJerome Brunet static int g12a_tohdmitx_input_set_fmt(struct snd_soc_dai *dai, 250*c8609f38SJerome Brunet unsigned int fmt) 251*c8609f38SJerome Brunet { 252*c8609f38SJerome Brunet struct g12a_tohdmitx_input *data = dai->playback_dma_data; 253*c8609f38SJerome Brunet 254*c8609f38SJerome Brunet /* Save the source stream format for the downstream link */ 255*c8609f38SJerome Brunet data->fmt = fmt; 256*c8609f38SJerome Brunet return 0; 257*c8609f38SJerome Brunet } 258*c8609f38SJerome Brunet 259*c8609f38SJerome Brunet static int g12a_tohdmitx_output_startup(struct snd_pcm_substream *substream, 260*c8609f38SJerome Brunet struct snd_soc_dai *dai) 261*c8609f38SJerome Brunet { 262*c8609f38SJerome Brunet struct snd_soc_pcm_runtime *rtd = substream->private_data; 263*c8609f38SJerome Brunet struct g12a_tohdmitx_input *in_data = 264*c8609f38SJerome Brunet g12a_tohdmitx_get_input_data(dai->capture_widget); 265*c8609f38SJerome Brunet 266*c8609f38SJerome Brunet if (!in_data) 267*c8609f38SJerome Brunet return -ENODEV; 268*c8609f38SJerome Brunet 269*c8609f38SJerome Brunet if (!in_data->fmt) 270*c8609f38SJerome Brunet return 0; 271*c8609f38SJerome Brunet 272*c8609f38SJerome Brunet return snd_soc_runtime_set_dai_fmt(rtd, in_data->fmt); 273*c8609f38SJerome Brunet } 274*c8609f38SJerome Brunet 275*c8609f38SJerome Brunet static const struct snd_soc_dai_ops g12a_tohdmitx_input_ops = { 276*c8609f38SJerome Brunet .hw_params = g12a_tohdmitx_input_hw_params, 277*c8609f38SJerome Brunet .set_fmt = g12a_tohdmitx_input_set_fmt, 278*c8609f38SJerome Brunet }; 279*c8609f38SJerome Brunet 280*c8609f38SJerome Brunet static const struct snd_soc_dai_ops g12a_tohdmitx_output_ops = { 281*c8609f38SJerome Brunet .hw_params = g12a_tohdmitx_output_hw_params, 282*c8609f38SJerome Brunet .startup = g12a_tohdmitx_output_startup, 283*c8609f38SJerome Brunet }; 284*c8609f38SJerome Brunet 285*c8609f38SJerome Brunet #define TOHDMITX_SPDIF_FORMATS \ 286*c8609f38SJerome Brunet (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S20_3LE | \ 287*c8609f38SJerome Brunet SNDRV_PCM_FMTBIT_S24_3LE | SNDRV_PCM_FMTBIT_S24_LE) 288*c8609f38SJerome Brunet 289*c8609f38SJerome Brunet #define TOHDMITX_I2S_FORMATS \ 290*c8609f38SJerome Brunet (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S20_3LE | \ 291*c8609f38SJerome Brunet SNDRV_PCM_FMTBIT_S24_3LE | SNDRV_PCM_FMTBIT_S24_LE | \ 292*c8609f38SJerome Brunet SNDRV_PCM_FMTBIT_S32_LE) 293*c8609f38SJerome Brunet 294*c8609f38SJerome Brunet #define TOHDMITX_STREAM(xname, xsuffix, xfmt, xchmax) \ 295*c8609f38SJerome Brunet { \ 296*c8609f38SJerome Brunet .stream_name = xname " " xsuffix, \ 297*c8609f38SJerome Brunet .channels_min = 1, \ 298*c8609f38SJerome Brunet .channels_max = (xchmax), \ 299*c8609f38SJerome Brunet .rate_min = 8000, \ 300*c8609f38SJerome Brunet .rate_max = 192000, \ 301*c8609f38SJerome Brunet .formats = (xfmt), \ 302*c8609f38SJerome Brunet } 303*c8609f38SJerome Brunet 304*c8609f38SJerome Brunet #define TOHDMITX_IN(xname, xid, xfmt, xchmax) { \ 305*c8609f38SJerome Brunet .name = xname, \ 306*c8609f38SJerome Brunet .id = (xid), \ 307*c8609f38SJerome Brunet .playback = TOHDMITX_STREAM(xname, "Playback", xfmt, xchmax), \ 308*c8609f38SJerome Brunet .ops = &g12a_tohdmitx_input_ops, \ 309*c8609f38SJerome Brunet .probe = g12a_tohdmitx_input_probe, \ 310*c8609f38SJerome Brunet .remove = g12a_tohdmitx_input_remove, \ 311*c8609f38SJerome Brunet } 312*c8609f38SJerome Brunet 313*c8609f38SJerome Brunet #define TOHDMITX_OUT(xname, xid, xfmt, xchmax) { \ 314*c8609f38SJerome Brunet .name = xname, \ 315*c8609f38SJerome Brunet .id = (xid), \ 316*c8609f38SJerome Brunet .capture = TOHDMITX_STREAM(xname, "Capture", xfmt, xchmax), \ 317*c8609f38SJerome Brunet .ops = &g12a_tohdmitx_output_ops, \ 318*c8609f38SJerome Brunet } 319*c8609f38SJerome Brunet 320*c8609f38SJerome Brunet static struct snd_soc_dai_driver g12a_tohdmitx_dai_drv[] = { 321*c8609f38SJerome Brunet TOHDMITX_IN("I2S IN A", TOHDMITX_I2S_IN_A, 322*c8609f38SJerome Brunet TOHDMITX_I2S_FORMATS, 8), 323*c8609f38SJerome Brunet TOHDMITX_IN("I2S IN B", TOHDMITX_I2S_IN_B, 324*c8609f38SJerome Brunet TOHDMITX_I2S_FORMATS, 8), 325*c8609f38SJerome Brunet TOHDMITX_IN("I2S IN C", TOHDMITX_I2S_IN_C, 326*c8609f38SJerome Brunet TOHDMITX_I2S_FORMATS, 8), 327*c8609f38SJerome Brunet TOHDMITX_OUT("I2S OUT", TOHDMITX_I2S_OUT, 328*c8609f38SJerome Brunet TOHDMITX_I2S_FORMATS, 8), 329*c8609f38SJerome Brunet TOHDMITX_IN("SPDIF IN A", TOHDMITX_SPDIF_IN_A, 330*c8609f38SJerome Brunet TOHDMITX_SPDIF_FORMATS, 2), 331*c8609f38SJerome Brunet TOHDMITX_IN("SPDIF IN B", TOHDMITX_SPDIF_IN_B, 332*c8609f38SJerome Brunet TOHDMITX_SPDIF_FORMATS, 2), 333*c8609f38SJerome Brunet TOHDMITX_OUT("SPDIF OUT", TOHDMITX_SPDIF_OUT, 334*c8609f38SJerome Brunet TOHDMITX_SPDIF_FORMATS, 2), 335*c8609f38SJerome Brunet }; 336*c8609f38SJerome Brunet 337*c8609f38SJerome Brunet static int g12a_tohdmi_component_probe(struct snd_soc_component *c) 338*c8609f38SJerome Brunet { 339*c8609f38SJerome Brunet /* Initialize the static clock parameters */ 340*c8609f38SJerome Brunet return snd_soc_component_write(c, TOHDMITX_CTRL0, 341*c8609f38SJerome Brunet CTRL0_I2S_BLK_CAP_INV | CTRL0_SPDIF_CLK_CAP_INV); 342*c8609f38SJerome Brunet } 343*c8609f38SJerome Brunet 344*c8609f38SJerome Brunet static const struct snd_soc_dapm_route g12a_tohdmitx_routes[] = { 345*c8609f38SJerome Brunet { "I2S SRC", "I2S A", "I2S IN A Playback" }, 346*c8609f38SJerome Brunet { "I2S SRC", "I2S B", "I2S IN B Playback" }, 347*c8609f38SJerome Brunet { "I2S SRC", "I2S C", "I2S IN C Playback" }, 348*c8609f38SJerome Brunet { "I2S OUT EN", "Switch", "I2S SRC" }, 349*c8609f38SJerome Brunet { "I2S OUT Capture", NULL, "I2S OUT EN" }, 350*c8609f38SJerome Brunet { "SPDIF SRC", "SPDIF A", "SPDIF IN A Playback" }, 351*c8609f38SJerome Brunet { "SPDIF SRC", "SPDIF B", "SPDIF IN B Playback" }, 352*c8609f38SJerome Brunet { "SPDIF OUT EN", "Switch", "SPDIF SRC" }, 353*c8609f38SJerome Brunet { "SPDIF OUT Capture", NULL, "SPDIF OUT EN" }, 354*c8609f38SJerome Brunet }; 355*c8609f38SJerome Brunet 356*c8609f38SJerome Brunet static const struct snd_soc_component_driver g12a_tohdmitx_component_drv = { 357*c8609f38SJerome Brunet .probe = g12a_tohdmi_component_probe, 358*c8609f38SJerome Brunet .dapm_widgets = g12a_tohdmitx_widgets, 359*c8609f38SJerome Brunet .num_dapm_widgets = ARRAY_SIZE(g12a_tohdmitx_widgets), 360*c8609f38SJerome Brunet .dapm_routes = g12a_tohdmitx_routes, 361*c8609f38SJerome Brunet .num_dapm_routes = ARRAY_SIZE(g12a_tohdmitx_routes), 362*c8609f38SJerome Brunet .endianness = 1, 363*c8609f38SJerome Brunet .non_legacy_dai_naming = 1, 364*c8609f38SJerome Brunet }; 365*c8609f38SJerome Brunet 366*c8609f38SJerome Brunet static const struct regmap_config g12a_tohdmitx_regmap_cfg = { 367*c8609f38SJerome Brunet .reg_bits = 32, 368*c8609f38SJerome Brunet .val_bits = 32, 369*c8609f38SJerome Brunet .reg_stride = 4, 370*c8609f38SJerome Brunet }; 371*c8609f38SJerome Brunet 372*c8609f38SJerome Brunet static const struct of_device_id g12a_tohdmitx_of_match[] = { 373*c8609f38SJerome Brunet { .compatible = "amlogic,g12a-tohdmitx", }, 374*c8609f38SJerome Brunet {} 375*c8609f38SJerome Brunet }; 376*c8609f38SJerome Brunet MODULE_DEVICE_TABLE(of, g12a_tohdmitx_of_match); 377*c8609f38SJerome Brunet 378*c8609f38SJerome Brunet static int g12a_tohdmitx_probe(struct platform_device *pdev) 379*c8609f38SJerome Brunet { 380*c8609f38SJerome Brunet struct device *dev = &pdev->dev; 381*c8609f38SJerome Brunet struct resource *res; 382*c8609f38SJerome Brunet void __iomem *regs; 383*c8609f38SJerome Brunet struct regmap *map; 384*c8609f38SJerome Brunet 385*c8609f38SJerome Brunet res = platform_get_resource(pdev, IORESOURCE_MEM, 0); 386*c8609f38SJerome Brunet regs = devm_ioremap_resource(dev, res); 387*c8609f38SJerome Brunet if (IS_ERR(regs)) 388*c8609f38SJerome Brunet return PTR_ERR(regs); 389*c8609f38SJerome Brunet 390*c8609f38SJerome Brunet map = devm_regmap_init_mmio(dev, regs, &g12a_tohdmitx_regmap_cfg); 391*c8609f38SJerome Brunet if (IS_ERR(map)) { 392*c8609f38SJerome Brunet dev_err(dev, "failed to init regmap: %ld\n", 393*c8609f38SJerome Brunet PTR_ERR(map)); 394*c8609f38SJerome Brunet return PTR_ERR(map); 395*c8609f38SJerome Brunet } 396*c8609f38SJerome Brunet 397*c8609f38SJerome Brunet return devm_snd_soc_register_component(dev, 398*c8609f38SJerome Brunet &g12a_tohdmitx_component_drv, g12a_tohdmitx_dai_drv, 399*c8609f38SJerome Brunet ARRAY_SIZE(g12a_tohdmitx_dai_drv)); 400*c8609f38SJerome Brunet } 401*c8609f38SJerome Brunet 402*c8609f38SJerome Brunet static struct platform_driver g12a_tohdmitx_pdrv = { 403*c8609f38SJerome Brunet .driver = { 404*c8609f38SJerome Brunet .name = G12A_TOHDMITX_DRV_NAME, 405*c8609f38SJerome Brunet .of_match_table = g12a_tohdmitx_of_match, 406*c8609f38SJerome Brunet }, 407*c8609f38SJerome Brunet .probe = g12a_tohdmitx_probe, 408*c8609f38SJerome Brunet }; 409*c8609f38SJerome Brunet module_platform_driver(g12a_tohdmitx_pdrv); 410*c8609f38SJerome Brunet 411*c8609f38SJerome Brunet MODULE_AUTHOR("Jerome Brunet <jbrunet@baylibre.com>"); 412*c8609f38SJerome Brunet MODULE_DESCRIPTION("Amlogic G12a To HDMI Tx Control Codec Driver"); 413*c8609f38SJerome Brunet MODULE_LICENSE("GPL v2"); 414