1 // SPDX-License-Identifier: GPL-2.0-only 2 // Copyright (c) 2020 Intel Corporation 3 4 /* 5 * sof_sdw_hdmi - Helpers to handle HDMI from generic machine driver 6 */ 7 8 #include <linux/device.h> 9 #include <linux/errno.h> 10 #include <linux/kernel.h> 11 #include <linux/list.h> 12 #include <sound/soc.h> 13 #include <sound/soc-acpi.h> 14 #include <sound/jack.h> 15 #include "sof_sdw_common.h" 16 #include "../../codecs/hdac_hdmi.h" 17 #include "hda_dsp_common.h" 18 19 static struct snd_soc_jack hdmi[MAX_HDMI_NUM]; 20 21 struct hdmi_pcm { 22 struct list_head head; 23 struct snd_soc_dai *codec_dai; 24 int device; 25 }; 26 27 int sof_sdw_hdmi_init(struct snd_soc_pcm_runtime *rtd) 28 { 29 struct mc_private *ctx = snd_soc_card_get_drvdata(rtd->card); 30 struct snd_soc_dai *dai = asoc_rtd_to_codec(rtd, 0); 31 struct hdmi_pcm *pcm; 32 33 pcm = devm_kzalloc(rtd->card->dev, sizeof(*pcm), GFP_KERNEL); 34 if (!pcm) 35 return -ENOMEM; 36 37 /* dai_link id is 1:1 mapped to the PCM device */ 38 pcm->device = rtd->dai_link->id; 39 pcm->codec_dai = dai; 40 41 list_add_tail(&pcm->head, &ctx->hdmi_pcm_list); 42 43 return 0; 44 } 45 46 #define NAME_SIZE 32 47 int sof_sdw_hdmi_card_late_probe(struct snd_soc_card *card) 48 { 49 struct mc_private *ctx = snd_soc_card_get_drvdata(card); 50 struct hdmi_pcm *pcm; 51 struct snd_soc_component *component = NULL; 52 int err, i = 0; 53 char jack_name[NAME_SIZE]; 54 55 if (!ctx->idisp_codec) 56 return 0; 57 58 if (list_empty(&ctx->hdmi_pcm_list)) 59 return -EINVAL; 60 61 pcm = list_first_entry(&ctx->hdmi_pcm_list, struct hdmi_pcm, 62 head); 63 component = pcm->codec_dai->component; 64 65 if (ctx->common_hdmi_codec_drv) 66 return hda_dsp_hdmi_build_controls(card, component); 67 68 list_for_each_entry(pcm, &ctx->hdmi_pcm_list, head) { 69 component = pcm->codec_dai->component; 70 snprintf(jack_name, sizeof(jack_name), 71 "HDMI/DP, pcm=%d Jack", pcm->device); 72 err = snd_soc_card_jack_new(card, jack_name, 73 SND_JACK_AVOUT, &hdmi[i], 74 NULL, 0); 75 76 if (err) 77 return err; 78 79 err = snd_jack_add_new_kctl(hdmi[i].jack, 80 jack_name, SND_JACK_AVOUT); 81 if (err) 82 dev_warn(component->dev, "failed creating Jack kctl\n"); 83 84 err = hdac_hdmi_jack_init(pcm->codec_dai, pcm->device, 85 &hdmi[i]); 86 if (err < 0) 87 return err; 88 89 i++; 90 } 91 92 if (!component) 93 return -EINVAL; 94 95 return hdac_hdmi_jack_port_init(component, &card->dapm); 96 } 97