diff --git a/sound/soc/codecs/hdac_hdmi.c b/sound/soc/codecs/hdac_hdmi.c index c85deae68064..6fb44c4cc8c7 100644 --- a/sound/soc/codecs/hdac_hdmi.c +++ b/sound/soc/codecs/hdac_hdmi.c @@ -446,46 +446,241 @@ hdac_hdmi_query_cvt_params(struct hdac_device *hdac, struct hdac_hdmi_cvt *cvt) return err; } -static void hdac_hdmi_fill_widget_info(struct snd_soc_dapm_widget *w, - enum snd_soc_dapm_type id, - const char *wname, const char *stream) +static int hdac_hdmi_fill_widget_info(struct device *dev, + struct snd_soc_dapm_widget *w, + enum snd_soc_dapm_type id, void *priv, + const char *wname, const char *stream, + struct snd_kcontrol_new *wc, int numkc) { w->id = id; - w->name = wname; + w->name = devm_kstrdup(dev, wname, GFP_KERNEL); + if (!w->name) + return -ENOMEM; + w->sname = stream; w->reg = SND_SOC_NOPM; w->shift = 0; - w->kcontrol_news = NULL; - w->num_kcontrols = 0; - w->priv = NULL; + w->kcontrol_news = wc; + w->num_kcontrols = numkc; + w->priv = priv; + + return 0; } static void hdac_hdmi_fill_route(struct snd_soc_dapm_route *route, - const char *sink, const char *control, const char *src) + const char *sink, const char *control, const char *src, + int (*handler)(struct snd_soc_dapm_widget *src, + struct snd_soc_dapm_widget *sink)) { route->sink = sink; route->source = src; route->control = control; - route->connected = NULL; + route->connected = handler; } -static void create_fill_widget_route_map(struct snd_soc_dapm_context *dapm, - struct hdac_hdmi_dai_pin_map *dai_map) +/* + * Ideally the Mux inputs should be based on the num_muxs enumerated, but + * the display driver seem to be programming the connection list for the pin + * widget runtime. + * + * So programming all the possible inputs for the mux, the user has to take + * care of selecting the right one and leaving all other inputs selected to + * "NONE" + */ +static int hdac_hdmi_create_pin_muxs(struct hdac_ext_device *edev, + struct hdac_hdmi_pin *pin, + struct snd_soc_dapm_widget *widget, + const char *widget_name) { - struct snd_soc_dapm_route route[1]; - struct snd_soc_dapm_widget widgets[2] = { {0} }; + struct hdac_hdmi_priv *hdmi = edev->private_data; + struct snd_kcontrol_new *kc; + struct hdac_hdmi_cvt *cvt; + struct soc_enum *se; + char kc_name[NAME_SIZE]; + char mux_items[NAME_SIZE]; + /* To hold inputs to the Pin mux */ + char *items[HDA_MAX_CONNECTIONS]; + int i = 0; + int num_items = hdmi->num_cvt + 1; - memset(&route, 0, sizeof(route)); + kc = devm_kzalloc(&edev->hdac.dev, sizeof(*kc), GFP_KERNEL); + if (!kc) + return -ENOMEM; - hdac_hdmi_fill_widget_info(&widgets[0], snd_soc_dapm_output, - "hif1 Output", NULL); - hdac_hdmi_fill_widget_info(&widgets[1], snd_soc_dapm_aif_in, - "Coverter 1", "hif1"); + se = devm_kzalloc(&edev->hdac.dev, sizeof(*se), GFP_KERNEL); + if (!se) + return -ENOMEM; - hdac_hdmi_fill_route(&route[0], "hif1 Output", NULL, "Coverter 1"); + sprintf(kc_name, "Pin %d Input", pin->nid); + kc->name = devm_kstrdup(&edev->hdac.dev, kc_name, GFP_KERNEL); + if (!kc->name) + return -ENOMEM; + + kc->private_value = (long)se; + kc->iface = SNDRV_CTL_ELEM_IFACE_MIXER; + kc->access = 0; + kc->info = snd_soc_info_enum_double; + kc->put = snd_soc_dapm_put_enum_double; + kc->get = snd_soc_dapm_get_enum_double; + + se->reg = SND_SOC_NOPM; + + /* enum texts: ["NONE", "cvt #", "cvt #", ...] */ + se->items = num_items; + se->mask = roundup_pow_of_two(se->items) - 1; + + sprintf(mux_items, "NONE"); + items[i] = devm_kstrdup(&edev->hdac.dev, mux_items, GFP_KERNEL); + if (!items[i]) + return -ENOMEM; + + list_for_each_entry(cvt, &hdmi->cvt_list, head) { + i++; + sprintf(mux_items, "cvt %d", cvt->nid); + items[i] = devm_kstrdup(&edev->hdac.dev, mux_items, GFP_KERNEL); + if (!items[i]) + return -ENOMEM; + } + + se->texts = devm_kmemdup(&edev->hdac.dev, items, + (num_items * sizeof(char *)), GFP_KERNEL); + if (!se->texts) + return -ENOMEM; + + return hdac_hdmi_fill_widget_info(&edev->hdac.dev, widget, + snd_soc_dapm_mux, &pin->nid, widget_name, + NULL, kc, 1); +} + +/* Add cvt <- input <- mux route map */ +static void hdac_hdmi_add_pinmux_cvt_route(struct hdac_ext_device *edev, + struct snd_soc_dapm_widget *widgets, + struct snd_soc_dapm_route *route, int rindex) +{ + struct hdac_hdmi_priv *hdmi = edev->private_data; + const struct snd_kcontrol_new *kc; + struct soc_enum *se; + int mux_index = hdmi->num_cvt + hdmi->num_pin; + int i, j; + + for (i = 0; i < hdmi->num_pin; i++) { + kc = widgets[mux_index].kcontrol_news; + se = (struct soc_enum *)kc->private_value; + for (j = 0; j < hdmi->num_cvt; j++) { + hdac_hdmi_fill_route(&route[rindex], + widgets[mux_index].name, + se->texts[j + 1], + widgets[j].name, NULL); + + rindex++; + } + + mux_index++; + } +} + +/* + * Widgets are added in the below sequence + * Converter widgets for num converters enumerated + * Pin widgets for num pins enumerated + * Pin mux widgets to represent connenction list of pin widget + * + * Total widgets elements = num_cvt + num_pin + num_pin; + * + * Routes are added as below: + * pin mux -> pin (based on num_pins) + * cvt -> "Input sel control" -> pin_mux + * + * Total route elements: + * num_pins + (pin_muxes * num_cvt) + */ +static int create_fill_widget_route_map(struct snd_soc_dapm_context *dapm) +{ + struct snd_soc_dapm_widget *widgets; + struct snd_soc_dapm_route *route; + struct hdac_ext_device *edev = to_hda_ext_device(dapm->dev); + struct hdac_hdmi_priv *hdmi = edev->private_data; + struct snd_soc_dai_driver *dai_drv = dapm->component->dai_drv; + char widget_name[NAME_SIZE]; + struct hdac_hdmi_cvt *cvt; + struct hdac_hdmi_pin *pin; + int ret, i = 0, num_routes = 0; + + if (list_empty(&hdmi->cvt_list) || list_empty(&hdmi->pin_list)) + return -EINVAL; + + widgets = devm_kzalloc(dapm->dev, + (sizeof(*widgets) * ((2 * hdmi->num_pin) + hdmi->num_cvt)), + GFP_KERNEL); + + if (!widgets) + return -ENOMEM; + + /* DAPM widgets to represent each converter widget */ + list_for_each_entry(cvt, &hdmi->cvt_list, head) { + sprintf(widget_name, "Converter %d", cvt->nid); + ret = hdac_hdmi_fill_widget_info(dapm->dev, &widgets[i], + snd_soc_dapm_aif_in, &cvt->nid, + widget_name, dai_drv[i].playback.stream_name, NULL, 0); + if (ret < 0) + return ret; + i++; + } + + list_for_each_entry(pin, &hdmi->pin_list, head) { + sprintf(widget_name, "hif%d Output", pin->nid); + ret = hdac_hdmi_fill_widget_info(dapm->dev, &widgets[i], + snd_soc_dapm_output, &pin->nid, + widget_name, NULL, NULL, 0); + if (ret < 0) + return ret; + i++; + } + + /* DAPM widgets to represent the connection list to pin widget */ + list_for_each_entry(pin, &hdmi->pin_list, head) { + sprintf(widget_name, "Pin %d Mux", pin->nid); + ret = hdac_hdmi_create_pin_muxs(edev, pin, &widgets[i], + widget_name); + if (ret < 0) + return ret; + i++; + + /* For cvt to pin_mux mapping */ + num_routes += hdmi->num_cvt; + + /* For pin_mux to pin mapping */ + num_routes++; + } + + route = devm_kzalloc(dapm->dev, (sizeof(*route) * num_routes), + GFP_KERNEL); + if (!route) + return -ENOMEM; + + i = 0; + /* Add pin <- NULL <- mux route map */ + list_for_each_entry(pin, &hdmi->pin_list, head) { + int sink_index = i + hdmi->num_cvt; + int src_index = sink_index + hdmi->num_pin; + + hdac_hdmi_fill_route(&route[i], + widgets[sink_index].name, NULL, + widgets[src_index].name, NULL); + i++; + + } + + hdac_hdmi_add_pinmux_cvt_route(edev, widgets, route, i); + + snd_soc_dapm_new_controls(dapm, widgets, + ((2 * hdmi->num_pin) + hdmi->num_cvt)); + + snd_soc_dapm_add_routes(dapm, route, num_routes); + snd_soc_dapm_new_widgets(dapm->card); + + return 0; - snd_soc_dapm_new_controls(dapm, widgets, ARRAY_SIZE(widgets)); - snd_soc_dapm_add_routes(dapm, route, ARRAY_SIZE(route)); } static int hdac_hdmi_init_dai_map(struct hdac_ext_device *edev) @@ -855,7 +1050,9 @@ static int hdmi_codec_probe(struct snd_soc_codec *codec) edev->scodec = codec; - create_fill_widget_route_map(dapm, &hdmi->dai_map[0]); + ret = create_fill_widget_route_map(dapm); + if (ret < 0) + return ret; aops.audio_ptr = edev; ret = snd_hdac_i915_register_notifier(&aops);