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Commit 355cb84f authored by Kuninori Morimoto's avatar Kuninori Morimoto Committed by Mark Brown
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ASoC: rsnd: attach Audio-DMAC-periperi correctly



SSI/SRC will try to attach DMAC as Audio-DMAC or Audio-DMAC-periperi.
It is fixed IP, but will be attached to each streams as different module
in case of MUX (= multi sound path will be merged).
This patch solves this issue.

Signed-off-by: default avatarKuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Signed-off-by: default avatarMark Brown <broonie@kernel.org>
parent 5ba17b42
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+29 −27
Original line number Diff line number Diff line
@@ -622,15 +622,13 @@ static void rsnd_dma_of_path(struct rsnd_mod *this,
	}
}

struct rsnd_mod *rsnd_dma_attach(struct rsnd_dai_stream *io,
				 struct rsnd_mod *mod, int id)
int rsnd_dma_attach(struct rsnd_dai_stream *io, struct rsnd_mod *mod,
		    struct rsnd_mod **dma_mod, int id)
{
	struct rsnd_mod *dma_mod;
	struct rsnd_mod *mod_from = NULL;
	struct rsnd_mod *mod_to = NULL;
	struct rsnd_priv *priv = rsnd_io_to_priv(io);
	struct rsnd_dma_ctrl *dmac = rsnd_priv_to_dmac(priv);
	struct rsnd_dma *dma;
	struct device *dev = rsnd_priv_to_dev(priv);
	struct rsnd_mod_ops *ops;
	enum rsnd_mod_type type;
@@ -646,17 +644,10 @@ struct rsnd_mod *rsnd_dma_attach(struct rsnd_dai_stream *io,
	 *	rsnd_rdai_continuance_probe()
	 */
	if (!dmac)
		return ERR_PTR(-EAGAIN);

	dma = devm_kzalloc(dev, sizeof(*dma), GFP_KERNEL);
	if (!dma)
		return ERR_PTR(-ENOMEM);
		return -EAGAIN;

	rsnd_dma_of_path(mod, io, is_play, &mod_from, &mod_to);

	dma->src_addr = rsnd_dma_addr(io, mod_from, is_play, 1);
	dma->dst_addr = rsnd_dma_addr(io, mod_to,   is_play, 0);

	/* for Gen2 */
	if (mod_from && mod_to) {
		ops	= &rsnd_dmapp_ops;
@@ -678,27 +669,38 @@ struct rsnd_mod *rsnd_dma_attach(struct rsnd_dai_stream *io,
		type	= RSND_MOD_AUDMA;
	}

	dma_mod = rsnd_mod_get(dma);
	if (!(*dma_mod)) {
		struct rsnd_dma *dma;

		dma = devm_kzalloc(dev, sizeof(*dma), GFP_KERNEL);
		if (!dma)
			return -ENOMEM;

	ret = rsnd_mod_init(priv, dma_mod,
			    ops, NULL, rsnd_mod_get_status, type, dma_id);
		*dma_mod = rsnd_mod_get(dma);

		dma->src_addr = rsnd_dma_addr(io, mod_from, is_play, 1);
		dma->dst_addr = rsnd_dma_addr(io, mod_to,   is_play, 0);

		ret = rsnd_mod_init(priv, *dma_mod, ops, NULL,
				    rsnd_mod_get_status, type, dma_id);
		if (ret < 0)
		return ERR_PTR(ret);
			return ret;

		dev_dbg(dev, "%s[%d] %s[%d] -> %s[%d]\n",
		rsnd_mod_name(dma_mod), rsnd_mod_id(dma_mod),
			rsnd_mod_name(*dma_mod), rsnd_mod_id(*dma_mod),
			rsnd_mod_name(mod_from), rsnd_mod_id(mod_from),
			rsnd_mod_name(mod_to),   rsnd_mod_id(mod_to));

		ret = attach(io, dma, id, mod_from, mod_to);
		if (ret < 0)
		return ERR_PTR(ret);
			return ret;
	}

	ret = rsnd_dai_connect(dma_mod, io, type);
	ret = rsnd_dai_connect(*dma_mod, io, type);
	if (ret < 0)
		return ERR_PTR(ret);
		return ret;

	return rsnd_mod_get(dma);
	return 0;
}

int rsnd_dma_probe(struct rsnd_priv *priv)
+2 −2
Original line number Diff line number Diff line
@@ -166,8 +166,8 @@ u32 rsnd_get_dalign(struct rsnd_mod *mod, struct rsnd_dai_stream *io);
/*
 *	R-Car DMA
 */
struct rsnd_mod *rsnd_dma_attach(struct rsnd_dai_stream *io,
			       struct rsnd_mod *mod, int id);
int rsnd_dma_attach(struct rsnd_dai_stream *io,
		    struct rsnd_mod *mod, struct rsnd_mod **dma_mod, int id);
int rsnd_dma_probe(struct rsnd_priv *priv);
struct dma_chan *rsnd_dma_request_channel(struct device_node *of_node,
					  struct rsnd_mod *mod, char *name);
+1 −3
Original line number Diff line number Diff line
@@ -495,9 +495,7 @@ static int rsnd_src_probe_(struct rsnd_mod *mod,
			return ret;
	}

	src->dma = rsnd_dma_attach(io, mod, 0);
	if (IS_ERR(src->dma))
		return PTR_ERR(src->dma);
	ret = rsnd_dma_attach(io, mod, &src->dma, 0);

	return ret;
}
+2 −3
Original line number Diff line number Diff line
@@ -704,9 +704,8 @@ static int rsnd_ssi_dma_probe(struct rsnd_mod *mod,
	if (ret)
		return ret;

	ssi->dma = rsnd_dma_attach(io, mod, dma_id);
	if (IS_ERR(ssi->dma))
		return PTR_ERR(ssi->dma);
	/* SSI probe might be called many times in MUX multi path */
	ret = rsnd_dma_attach(io, mod, &ssi->dma, dma_id);

	return ret;
}