X-Git-Url: https://sigrok.org/gitweb/?a=blobdiff_plain;f=hardware%2Falsa%2Fapi.c;h=39ab74d139480f3e852f7fa44f3e0a4a556c8c94;hb=82b904b173f1443c4d6bdebdf1a7f0dda01c4982;hp=4591fee4093c05e14744184a0c21cc743b9f9af7;hpb=3d6de074a445fbd3ac0adfa2bc28e3fd283df681;p=libsigrok.git

diff --git a/hardware/alsa/api.c b/hardware/alsa/api.c
index 4591fee4..39ab74d1 100644
--- a/hardware/alsa/api.c
+++ b/hardware/alsa/api.c
@@ -27,11 +27,10 @@
 #include "libsigrok-internal.h"
 #include "protocol.h"
 
-static const int hwcaps[] = {
-	SR_HWCAP_SAMPLERATE,
-	SR_HWCAP_LIMIT_SAMPLES,
-	SR_HWCAP_CONTINUOUS,
-	0,
+static const int32_t hwcaps[] = {
+	SR_CONF_SAMPLERATE,
+	SR_CONF_LIMIT_SAMPLES,
+	SR_CONF_CONTINUOUS,
 };
 
 SR_PRIV struct sr_dev_driver alsa_driver_info;
@@ -52,17 +51,7 @@ static int clear_instances(void)
 
 static int hw_init(struct sr_context *sr_ctx)
 {
-	struct drv_context *drvc;
-
-	if (!(drvc = g_try_malloc0(sizeof(struct drv_context)))) {
-		sr_err("Driver context malloc failed.");
-		return SR_ERR_MALLOC;
-	}
-
-	drvc->sr_ctx = sr_ctx;
-	di->priv = drvc;
-
-	return SR_OK;
+	return std_hw_init(sr_ctx, di, DRIVER_LOG_DOMAIN);
 }
 
 static GSList *hw_scan(GSList *options)
@@ -72,11 +61,7 @@ static GSList *hw_scan(GSList *options)
 
 static GSList *hw_dev_list(void)
 {
-	struct drv_context *drvc;
-
-	drvc = di->priv;
-
-	return drvc->instances;
+	return ((struct drv_context *)(di->priv))->instances;
 }
 
 static int hw_dev_open(struct sr_dev_inst *sdi)
@@ -117,8 +102,6 @@ static int hw_dev_close(struct sr_dev_inst *sdi)
 
 	devc = sdi->priv;
 
-	sr_dbg("Closing device.");
-
 	if (devc->capture_handle) {
 		sr_dbg("Closing PCM device.");
 		if ((ret = snd_pcm_close(devc->capture_handle)) < 0) {
@@ -140,64 +123,83 @@ static int hw_cleanup(void)
 	return SR_OK;
 }
 
-static int hw_info_get(int info_id, const void **data,
-		       const struct sr_dev_inst *sdi)
+static int config_get(int id, GVariant **data, const struct sr_dev_inst *sdi)
 {
 	struct dev_context *devc;
 
-	if (info_id != SR_DI_HWCAPS) /* For SR_DI_HWCAPS sdi will be NULL. */
+	switch (id) {
+	case SR_CONF_SAMPLERATE:
 		devc = sdi->priv;
-
-	switch (info_id) {
-	case SR_DI_HWCAPS:
-		*data = hwcaps;
-		break;
-	case SR_DI_CUR_SAMPLERATE:
-		*data = &devc->cur_samplerate;
-		break;
-	case SR_DI_SAMPLERATES:
-		if (!devc->supp_rates.list) {
-			sr_err("Instance did not contain a samplerate list.");
-			return SR_ERR_ARG;
-		}
-		*data = &devc->supp_rates;
+		*data = g_variant_new_uint64(devc->cur_samplerate);
 		break;
 	default:
-		sr_err("Invalid info_id: %d.", info_id);
 		return SR_ERR_ARG;
 	}
 
 	return SR_OK;
 }
 
-static int hw_dev_config_set(const struct sr_dev_inst *sdi, int hwcap,
-			     const void *value)
+static int config_set(int id, GVariant *data, const struct sr_dev_inst *sdi)
 {
 	struct dev_context *devc;
 
 	devc = sdi->priv;
 
-	switch (hwcap) {
-	case SR_HWCAP_SAMPLERATE:
-		alsa_set_samplerate(sdi, *(const uint64_t *)value);
+	switch (id) {
+	case SR_CONF_SAMPLERATE:
+		alsa_set_samplerate(sdi, g_variant_get_uint64(data));
 		break;
-	case SR_HWCAP_LIMIT_SAMPLES:
-		devc->limit_samples = *(const uint64_t *)value;
+	case SR_CONF_LIMIT_SAMPLES:
+		devc->limit_samples = g_variant_get_uint64(data);
 		break;
 	default:
-		sr_err("Unknown capability: %d.", hwcap);
+		sr_err("Unknown capability: %d.", id);
 		return SR_ERR;
 	}
 
 	return SR_OK;
 }
 
+static int config_list(int key, GVariant **data, const struct sr_dev_inst *sdi)
+{
+	struct dev_context *devc;
+	GVariant *gvar;
+	GVariantBuilder gvb;
+	int i;
+
+	(void)sdi;
+
+	switch (key) {
+	case SR_CONF_DEVICE_OPTIONS:
+		*data = g_variant_new_fixed_array(G_VARIANT_TYPE_INT32,
+				hwcaps, ARRAY_SIZE(hwcaps), sizeof(int32_t));
+		break;
+	case SR_CONF_SAMPLERATE:
+		if (!sdi || !sdi->priv)
+			return SR_ERR_ARG;
+		devc = sdi->priv;
+		if (!devc->samplerates) {
+			sr_err("Instance did not contain a samplerate list.");
+			return SR_ERR_ARG;
+		}
+		for (i = 0; devc->samplerates[i]; i++)
+			;
+		g_variant_builder_init(&gvb, G_VARIANT_TYPE("a{sv}"));
+		gvar = g_variant_new_fixed_array(G_VARIANT_TYPE("t"),
+				devc->samplerates, i, sizeof(uint64_t));
+		g_variant_builder_add(&gvb, "{sv}", "samplerates", gvar);
+		*data = g_variant_builder_end(&gvb);
+		break;
+	default:
+		return SR_ERR_ARG;
+	}
+
+	return SR_OK;
+}
+
 static int hw_dev_acquisition_start(const struct sr_dev_inst *sdi,
 				    void *cb_data)
 {
-	struct sr_datafeed_packet packet;
-	struct sr_datafeed_header header;
-	struct sr_datafeed_meta_analog meta;
 	struct dev_context *devc;
 	int count, ret;
 	char *endianness;
@@ -281,19 +283,7 @@ static int hw_dev_acquisition_start(const struct sr_dev_inst *sdi,
 	}
 
 	/* Send header packet to the session bus. */
-	sr_dbg("Sending SR_DF_HEADER packet.");
-	packet.type = SR_DF_HEADER;
-	packet.payload = (uint8_t *)&header;
-	header.feed_version = 1;
-	gettimeofday(&header.starttime, NULL);
-	sr_session_send(devc->cb_data, &packet);
-
-	/* Send metadata about the SR_DF_ANALOG packets to come. */
-	sr_dbg("Sending SR_DF_META_ANALOG packet.");
-	packet.type = SR_DF_META_ANALOG;
-	packet.payload = &meta;
-	meta.num_probes = devc->num_probes;
-	sr_session_send(devc->cb_data, &packet);
+	std_session_send_df_header(cb_data, DRIVER_LOG_DOMAIN);
 
 	/* Poll every 10ms, or whenever some data comes in. */
 	sr_source_add(devc->ufds[0].fd, devc->ufds[0].events, 10,
@@ -331,10 +321,11 @@ SR_PRIV struct sr_dev_driver alsa_driver_info = {
 	.scan = hw_scan,
 	.dev_list = hw_dev_list,
 	.dev_clear = clear_instances,
+	.config_get = config_get,
+	.config_set = config_set,
+	.config_list = config_list,
 	.dev_open = hw_dev_open,
 	.dev_close = hw_dev_close,
-	.info_get = hw_info_get,
-	.dev_config_set = hw_dev_config_set,
 	.dev_acquisition_start = hw_dev_acquisition_start,
 	.dev_acquisition_stop = hw_dev_acquisition_stop,
 	.priv = NULL,