mirror of https://gitee.com/openkylin/linux.git
ASoC: rsnd: add MIX (Mixer) support
This patch adds MIX (Mixer) initial support for rsnd driver.
It is assuming that this MIX is used via DPCM.
This is sample code for playback.
CPU0 : [MEM] -> [SRC1] -> [CTU02] -+
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+-> [MIX0] -> [DVC0] -> [SSI0]
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CPU1 : [MEM] -> [SRC2] -> [CTU03] -+
sound {
compatible = "renesas,rsrc-card";
...
cpu@0 {
sound-dai = <&rcar_sound 0>;
};
cpu@1 {
sound-dai = <&rcar_sound 1>;
};
codec {
...
};
};
rcar_sound {
...
rcar_sound,dai {
dai0 {
playback = <&src1 &ctu02 &mix0 &dvc0 &ssi0>;
};
dai1 {
playback = <&src2 &ctu03 &mix0 &dvc0 &ssi0>;
};
};
};
Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Tested-by: Keita Kobayashi <keita.kobayashi.ym@renesas.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
This commit is contained in:
Kuninori Morimoto
Mark Brown
parent
9269e3c3cf
commit
70fb10529f
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@ -21,6 +21,9 @@ Required properties:
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- rcar_sound,ctu : Should contain CTU feature.
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The number of CTU subnode should be same as HW.
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see below for detail.
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- rcar_sound,mix : Should contain MIX feature.
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The number of MIX subnode should be same as HW.
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see below for detail.
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- rcar_sound,dvc : Should contain DVC feature.
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The number of DVC subnode should be same as HW.
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see below for detail.
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@ -93,6 +96,11 @@ rcar_sound: sound@ec500000 {
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};
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};
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rcar_sound,mix {
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mix0: mix@0 { };
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mix1: mix@1 { };
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};
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rcar_sound,ctu {
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ctu00: ctu@0 { };
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ctu01: ctu@1 { };
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@ -65,6 +65,10 @@ struct rsnd_ctu_platform_info {
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u32 flags;
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};
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struct rsnd_mix_platform_info {
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u32 flags;
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};
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struct rsnd_dvc_platform_info {
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u32 flags;
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};
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@ -73,6 +77,7 @@ struct rsnd_dai_path_info {
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struct rsnd_ssi_platform_info *ssi;
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struct rsnd_src_platform_info *src;
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struct rsnd_ctu_platform_info *ctu;
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struct rsnd_mix_platform_info *mix;
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struct rsnd_dvc_platform_info *dvc;
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};
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@ -100,6 +105,8 @@ struct rcar_snd_info {
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int src_info_nr;
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struct rsnd_ctu_platform_info *ctu_info;
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int ctu_info_nr;
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struct rsnd_mix_platform_info *mix_info;
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int mix_info_nr;
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struct rsnd_dvc_platform_info *dvc_info;
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int dvc_info_nr;
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struct rsnd_dai_platform_info *dai_info;
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@ -1,4 +1,4 @@
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snd-soc-rcar-objs := core.o gen.o dma.o adg.o ssi.o src.o ctu.o dvc.o
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snd-soc-rcar-objs := core.o gen.o dma.o adg.o ssi.o src.o ctu.o mix.o dvc.o
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obj-$(CONFIG_SND_SOC_RCAR) += snd-soc-rcar.o
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snd-soc-rsrc-card-objs := rsrc-card.o
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@ -605,23 +605,74 @@ static const struct snd_soc_dai_ops rsnd_soc_dai_ops = {
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void rsnd_path_parse(struct rsnd_priv *priv,
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struct rsnd_dai_stream *io)
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{
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struct rsnd_mod *src = rsnd_io_to_mod_src(io);
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struct rsnd_mod *dvc = rsnd_io_to_mod_dvc(io);
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int src_id = rsnd_mod_id(src);
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u32 path[] = {
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[0] = 0x30000,
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[1] = 0x30001,
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[2] = 0x40000,
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[3] = 0x10000,
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[4] = 0x20000,
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[5] = 0x40100
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};
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struct rsnd_mod *mix = rsnd_io_to_mod_mix(io);
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struct rsnd_mod *src = rsnd_io_to_mod_src(io);
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struct rsnd_mod *cmd;
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struct device *dev = rsnd_priv_to_dev(priv);
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u32 data;
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/* Gen1 is not supported */
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if (rsnd_is_gen1(priv))
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return;
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rsnd_mod_write(dvc, CMD_ROUTE_SLCT, path[src_id]);
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if (!mix && !dvc)
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return;
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if (mix) {
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struct rsnd_dai *rdai;
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int i;
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u32 path[] = {
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[0] = 0,
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[1] = 1 << 0,
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[2] = 0,
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[3] = 0,
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[4] = 0,
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[5] = 1 << 8
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};
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/*
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* it is assuming that integrater is well understanding about
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* data path. Here doesn't check impossible connection,
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* like src2 + src5
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*/
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data = 0;
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for_each_rsnd_dai(rdai, priv, i) {
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io = &rdai->playback;
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if (mix == rsnd_io_to_mod_mix(io))
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data |= path[rsnd_mod_id(src)];
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io = &rdai->capture;
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if (mix == rsnd_io_to_mod_mix(io))
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data |= path[rsnd_mod_id(src)];
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}
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/*
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* We can't use ctu = rsnd_io_ctu() here.
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* Since, ID of dvc/mix are 0 or 1 (= same as CMD number)
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* but ctu IDs are 0 - 7 (= CTU00 - CTU13)
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*/
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cmd = mix;
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} else {
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u32 path[] = {
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[0] = 0x30000,
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[1] = 0x30001,
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[2] = 0x40000,
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[3] = 0x10000,
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[4] = 0x20000,
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[5] = 0x40100
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};
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data = path[rsnd_mod_id(src)];
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cmd = dvc;
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}
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dev_dbg(dev, "ctu/mix path = 0x%08x", data);
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rsnd_mod_write(cmd, CMD_ROUTE_SLCT, data);
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rsnd_mod_write(cmd, CMD_CTRL, 0x10);
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}
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static int rsnd_path_init(struct rsnd_priv *priv,
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@ -656,6 +707,11 @@ static int rsnd_path_init(struct rsnd_priv *priv,
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if (ret < 0)
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return ret;
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/* MIX */
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ret = rsnd_path_add(priv, io, mix);
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if (ret < 0)
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return ret;
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/* DVC */
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ret = rsnd_path_add(priv, io, dvc);
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if (ret < 0)
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@ -672,13 +728,14 @@ static void rsnd_of_parse_dai(struct platform_device *pdev,
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struct device_node *ssi_node, *ssi_np;
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struct device_node *src_node, *src_np;
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struct device_node *ctu_node, *ctu_np;
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struct device_node *mix_node, *mix_np;
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struct device_node *dvc_node, *dvc_np;
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struct device_node *playback, *capture;
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struct rsnd_dai_platform_info *dai_info;
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struct rcar_snd_info *info = rsnd_priv_to_info(priv);
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struct device *dev = &pdev->dev;
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int nr, i;
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int dai_i, ssi_i, src_i, ctu_i, dvc_i;
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int dai_i, ssi_i, src_i, ctu_i, mix_i, dvc_i;
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if (!of_data)
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return;
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@ -705,6 +762,7 @@ static void rsnd_of_parse_dai(struct platform_device *pdev,
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ssi_node = of_get_child_by_name(dev->of_node, "rcar_sound,ssi");
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src_node = of_get_child_by_name(dev->of_node, "rcar_sound,src");
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ctu_node = of_get_child_by_name(dev->of_node, "rcar_sound,ctu");
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mix_node = of_get_child_by_name(dev->of_node, "rcar_sound,mix");
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dvc_node = of_get_child_by_name(dev->of_node, "rcar_sound,dvc");
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#define mod_parse(name) \
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@ -742,6 +800,7 @@ if (name##_node) { \
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mod_parse(ssi);
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mod_parse(src);
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mod_parse(ctu);
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mod_parse(mix);
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mod_parse(dvc);
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of_node_put(playback);
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@ -1155,6 +1214,7 @@ static int rsnd_probe(struct platform_device *pdev)
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rsnd_ssi_probe,
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rsnd_src_probe,
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rsnd_ctu_probe,
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rsnd_mix_probe,
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rsnd_dvc_probe,
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rsnd_adg_probe,
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rsnd_dai_probe,
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@ -1251,6 +1311,7 @@ static int rsnd_remove(struct platform_device *pdev)
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rsnd_ssi_remove,
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rsnd_src_remove,
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rsnd_ctu_remove,
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rsnd_mix_remove,
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rsnd_dvc_remove,
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};
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int ret = 0, i;
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@ -427,6 +427,7 @@ rsnd_gen2_dma_addr(struct rsnd_dai_stream *io,
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int is_ssi = !!(rsnd_io_to_mod_ssi(io) == mod);
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int use_src = !!rsnd_io_to_mod_src(io);
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int use_cmd = !!rsnd_io_to_mod_dvc(io) ||
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!!rsnd_io_to_mod_mix(io) ||
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!!rsnd_io_to_mod_ctu(io);
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int id = rsnd_mod_id(mod);
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struct dma_addr {
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@ -506,6 +507,7 @@ static void rsnd_dma_of_path(struct rsnd_dma *dma,
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struct rsnd_mod *ssi = rsnd_io_to_mod_ssi(io);
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struct rsnd_mod *src = rsnd_io_to_mod_src(io);
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struct rsnd_mod *ctu = rsnd_io_to_mod_ctu(io);
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struct rsnd_mod *mix = rsnd_io_to_mod_mix(io);
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struct rsnd_mod *dvc = rsnd_io_to_mod_dvc(io);
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struct rsnd_mod *mod[MOD_MAX];
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struct rsnd_mod *mod_start, *mod_end;
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@ -548,6 +550,9 @@ static void rsnd_dma_of_path(struct rsnd_dma *dma,
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} else if (ctu) {
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mod[i] = ctu;
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ctu = NULL;
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} else if (mix) {
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mod[i] = mix;
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mix = NULL;
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} else if (dvc) {
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mod[i] = dvc;
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dvc = NULL;
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@ -242,6 +242,16 @@ static int rsnd_gen2_probe(struct platform_device *pdev,
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RSND_GEN_M_REG(SRC_BSISR, 0x238, 0x40),
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RSND_GEN_M_REG(CTU_CTUIR, 0x504, 0x100),
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RSND_GEN_M_REG(CTU_ADINR, 0x508, 0x100),
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RSND_GEN_M_REG(MIX_SWRSR, 0xd00, 0x40),
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RSND_GEN_M_REG(MIX_MIXIR, 0xd04, 0x40),
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RSND_GEN_M_REG(MIX_ADINR, 0xd08, 0x40),
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RSND_GEN_M_REG(MIX_MIXMR, 0xd10, 0x40),
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RSND_GEN_M_REG(MIX_MVPDR, 0xd14, 0x40),
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RSND_GEN_M_REG(MIX_MDBAR, 0xd18, 0x40),
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RSND_GEN_M_REG(MIX_MDBBR, 0xd1c, 0x40),
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RSND_GEN_M_REG(MIX_MDBCR, 0xd20, 0x40),
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RSND_GEN_M_REG(MIX_MDBDR, 0xd24, 0x40),
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RSND_GEN_M_REG(MIX_MDBER, 0xd28, 0x40),
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RSND_GEN_M_REG(DVC_SWRSR, 0xe00, 0x100),
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RSND_GEN_M_REG(DVC_DVUIR, 0xe04, 0x100),
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RSND_GEN_M_REG(DVC_ADINR, 0xe08, 0x100),
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@ -0,0 +1,200 @@
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/*
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* mix.c
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*
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* Copyright (c) 2015 Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 as
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* published by the Free Software Foundation.
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*/
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#include "rsnd.h"
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#define MIX_NAME_SIZE 16
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#define MIX_NAME "mix"
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struct rsnd_mix {
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struct rsnd_mix_platform_info *info; /* rcar_snd.h */
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struct rsnd_mod mod;
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};
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#define rsnd_mix_nr(priv) ((priv)->mix_nr)
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#define for_each_rsnd_mix(pos, priv, i) \
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for ((i) = 0; \
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((i) < rsnd_mix_nr(priv)) && \
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((pos) = (struct rsnd_mix *)(priv)->mix + i); \
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i++)
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static void rsnd_mix_soft_reset(struct rsnd_mod *mod)
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{
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rsnd_mod_write(mod, MIX_SWRSR, 0);
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rsnd_mod_write(mod, MIX_SWRSR, 1);
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}
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#define rsnd_mix_initialize_lock(mod) __rsnd_mix_initialize_lock(mod, 1)
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#define rsnd_mix_initialize_unlock(mod) __rsnd_mix_initialize_lock(mod, 0)
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static void __rsnd_mix_initialize_lock(struct rsnd_mod *mod, u32 enable)
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{
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rsnd_mod_write(mod, MIX_MIXIR, enable);
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}
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static void rsnd_mix_volume_update(struct rsnd_dai_stream *io,
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struct rsnd_mod *mod)
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{
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/* Disable MIX dB setting */
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rsnd_mod_write(mod, MIX_MDBER, 0);
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rsnd_mod_write(mod, MIX_MDBAR, 0);
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rsnd_mod_write(mod, MIX_MDBBR, 0);
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rsnd_mod_write(mod, MIX_MDBCR, 0);
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rsnd_mod_write(mod, MIX_MDBDR, 0);
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/* Enable MIX dB setting */
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rsnd_mod_write(mod, MIX_MDBER, 1);
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}
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static int rsnd_mix_init(struct rsnd_mod *mod,
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struct rsnd_dai_stream *io,
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struct rsnd_priv *priv)
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{
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rsnd_mod_hw_start(mod);
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rsnd_mix_soft_reset(mod);
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rsnd_mix_initialize_lock(mod);
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rsnd_mod_write(mod, MIX_ADINR, rsnd_get_adinr_chan(mod, io));
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rsnd_path_parse(priv, io);
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/* volume step */
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rsnd_mod_write(mod, MIX_MIXMR, 0);
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rsnd_mod_write(mod, MIX_MVPDR, 0);
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rsnd_mix_volume_update(io, mod);
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rsnd_mix_initialize_unlock(mod);
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return 0;
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}
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static int rsnd_mix_quit(struct rsnd_mod *mod,
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struct rsnd_dai_stream *io,
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struct rsnd_priv *priv)
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{
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rsnd_mod_hw_stop(mod);
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return 0;
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}
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static struct rsnd_mod_ops rsnd_mix_ops = {
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.name = MIX_NAME,
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.init = rsnd_mix_init,
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.quit = rsnd_mix_quit,
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};
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struct rsnd_mod *rsnd_mix_mod_get(struct rsnd_priv *priv, int id)
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{
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if (WARN_ON(id < 0 || id >= rsnd_mix_nr(priv)))
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id = 0;
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return &((struct rsnd_mix *)(priv->mix) + id)->mod;
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}
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static void rsnd_of_parse_mix(struct platform_device *pdev,
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const struct rsnd_of_data *of_data,
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struct rsnd_priv *priv)
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{
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struct device_node *node;
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struct rsnd_mix_platform_info *mix_info;
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struct rcar_snd_info *info = rsnd_priv_to_info(priv);
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struct device *dev = &pdev->dev;
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int nr;
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if (!of_data)
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return;
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node = of_get_child_by_name(dev->of_node, "rcar_sound,mix");
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if (!node)
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return;
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nr = of_get_child_count(node);
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if (!nr)
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goto rsnd_of_parse_mix_end;
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mix_info = devm_kzalloc(dev,
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sizeof(struct rsnd_mix_platform_info) * nr,
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GFP_KERNEL);
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if (!mix_info) {
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dev_err(dev, "mix info allocation error\n");
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goto rsnd_of_parse_mix_end;
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}
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info->mix_info = mix_info;
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info->mix_info_nr = nr;
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rsnd_of_parse_mix_end:
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of_node_put(node);
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}
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int rsnd_mix_probe(struct platform_device *pdev,
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const struct rsnd_of_data *of_data,
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struct rsnd_priv *priv)
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{
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struct rcar_snd_info *info = rsnd_priv_to_info(priv);
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struct device *dev = rsnd_priv_to_dev(priv);
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struct rsnd_mix *mix;
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struct clk *clk;
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char name[MIX_NAME_SIZE];
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int i, nr, ret;
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/* This driver doesn't support Gen1 at this point */
|
||||
if (rsnd_is_gen1(priv)) {
|
||||
dev_warn(dev, "MIX is not supported on Gen1\n");
|
||||
return -EINVAL;
|
||||
}
|
||||
|
||||
rsnd_of_parse_mix(pdev, of_data, priv);
|
||||
|
||||
nr = info->mix_info_nr;
|
||||
if (!nr)
|
||||
return 0;
|
||||
|
||||
mix = devm_kzalloc(dev, sizeof(*mix) * nr, GFP_KERNEL);
|
||||
if (!mix)
|
||||
return -ENOMEM;
|
||||
|
||||
priv->mix_nr = nr;
|
||||
priv->mix = mix;
|
||||
|
||||
for_each_rsnd_mix(mix, priv, i) {
|
||||
snprintf(name, MIX_NAME_SIZE, "%s.%d",
|
||||
MIX_NAME, i);
|
||||
|
||||
clk = devm_clk_get(dev, name);
|
||||
if (IS_ERR(clk))
|
||||
return PTR_ERR(clk);
|
||||
|
||||
mix->info = &info->mix_info[i];
|
||||
|
||||
ret = rsnd_mod_init(priv, &mix->mod, &rsnd_mix_ops,
|
||||
clk, RSND_MOD_MIX, i);
|
||||
if (ret)
|
||||
return ret;
|
||||
}
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
void rsnd_mix_remove(struct platform_device *pdev,
|
||||
struct rsnd_priv *priv)
|
||||
{
|
||||
struct rsnd_mix *mix;
|
||||
int i;
|
||||
|
||||
for_each_rsnd_mix(mix, priv, i) {
|
||||
rsnd_mod_quit(&mix->mod);
|
||||
}
|
||||
}
|
||||
|
|
@ -49,6 +49,16 @@ enum rsnd_reg {
|
|||
RSND_REG_CMD_ROUTE_SLCT,
|
||||
RSND_REG_CTU_CTUIR,
|
||||
RSND_REG_CTU_ADINR,
|
||||
RSND_REG_MIX_SWRSR,
|
||||
RSND_REG_MIX_MIXIR,
|
||||
RSND_REG_MIX_ADINR,
|
||||
RSND_REG_MIX_MIXMR,
|
||||
RSND_REG_MIX_MVPDR,
|
||||
RSND_REG_MIX_MDBAR,
|
||||
RSND_REG_MIX_MDBBR,
|
||||
RSND_REG_MIX_MDBCR,
|
||||
RSND_REG_MIX_MDBDR,
|
||||
RSND_REG_MIX_MDBER,
|
||||
RSND_REG_DVC_SWRSR,
|
||||
RSND_REG_DVC_DVUIR,
|
||||
RSND_REG_DVC_ADINR,
|
||||
|
|
@ -222,6 +232,7 @@ struct dma_chan *rsnd_dma_request_channel(struct device_node *of_node,
|
|||
*/
|
||||
enum rsnd_mod_type {
|
||||
RSND_MOD_DVC = 0,
|
||||
RSND_MOD_MIX,
|
||||
RSND_MOD_CTU,
|
||||
RSND_MOD_SRC,
|
||||
RSND_MOD_SSI,
|
||||
|
|
@ -355,6 +366,7 @@ struct rsnd_dai_stream {
|
|||
#define rsnd_io_to_mod_ssi(io) rsnd_io_to_mod((io), RSND_MOD_SSI)
|
||||
#define rsnd_io_to_mod_src(io) rsnd_io_to_mod((io), RSND_MOD_SRC)
|
||||
#define rsnd_io_to_mod_ctu(io) rsnd_io_to_mod((io), RSND_MOD_CTU)
|
||||
#define rsnd_io_to_mod_mix(io) rsnd_io_to_mod((io), RSND_MOD_MIX)
|
||||
#define rsnd_io_to_mod_dvc(io) rsnd_io_to_mod((io), RSND_MOD_DVC)
|
||||
#define rsnd_io_to_rdai(io) ((io)->rdai)
|
||||
#define rsnd_io_to_priv(io) (rsnd_rdai_to_priv(rsnd_io_to_rdai(io)))
|
||||
|
|
@ -472,6 +484,12 @@ struct rsnd_priv {
|
|||
void *ctu;
|
||||
int ctu_nr;
|
||||
|
||||
/*
|
||||
* below value will be filled on rsnd_mix_probe()
|
||||
*/
|
||||
void *mix;
|
||||
int mix_nr;
|
||||
|
||||
/*
|
||||
* below value will be filled on rsnd_dvc_probe()
|
||||
*/
|
||||
|
|
@ -588,6 +606,17 @@ void rsnd_ctu_remove(struct platform_device *pdev,
|
|||
struct rsnd_priv *priv);
|
||||
struct rsnd_mod *rsnd_ctu_mod_get(struct rsnd_priv *priv, int id);
|
||||
|
||||
/*
|
||||
* R-Car MIX
|
||||
*/
|
||||
int rsnd_mix_probe(struct platform_device *pdev,
|
||||
const struct rsnd_of_data *of_data,
|
||||
struct rsnd_priv *priv);
|
||||
|
||||
void rsnd_mix_remove(struct platform_device *pdev,
|
||||
struct rsnd_priv *priv);
|
||||
struct rsnd_mod *rsnd_mix_mod_get(struct rsnd_priv *priv, int id);
|
||||
|
||||
/*
|
||||
* R-Car DVC
|
||||
*/
|
||||
|
|
|
|||
Loading…
Reference in New Issue