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-rw-r--r--include/sound/soc.h56
-rw-r--r--sound/soc/generic/audio-graph-card2-custom-sample.dtsi380
-rw-r--r--sound/soc/generic/audio-graph-card2.c277
-rw-r--r--sound/soc/intel/boards/sof_sdw.c28
-rw-r--r--sound/soc/soc-core.c95
-rw-r--r--sound/soc/soc-dapm.c45
-rw-r--r--sound/soc/soc-pcm.c44
7 files changed, 754 insertions, 171 deletions
diff --git a/include/sound/soc.h b/include/sound/soc.h
index 7792c393e238..f3803c2dc349 100644
--- a/include/sound/soc.h
+++ b/include/sound/soc.h
@@ -655,8 +655,45 @@ struct snd_soc_dai_link_component {
struct of_phandle_args *dai_args;
};
-struct snd_soc_dai_link_codec_ch_map {
- unsigned int connected_cpu_id;
+/*
+ * [dai_link->ch_maps Image sample]
+ *
+ *-------------------------
+ * CPU0 <---> Codec0
+ *
+ * ch-map[0].cpu = 0 ch-map[0].codec = 0
+ *
+ *-------------------------
+ * CPU0 <---> Codec0
+ * CPU1 <---> Codec1
+ * CPU2 <---> Codec2
+ *
+ * ch-map[0].cpu = 0 ch-map[0].codec = 0
+ * ch-map[1].cpu = 1 ch-map[1].codec = 1
+ * ch-map[2].cpu = 2 ch-map[2].codec = 2
+ *
+ *-------------------------
+ * CPU0 <---> Codec0
+ * CPU1 <-+-> Codec1
+ * CPU2 <-/
+ *
+ * ch-map[0].cpu = 0 ch-map[0].codec = 0
+ * ch-map[1].cpu = 1 ch-map[1].codec = 1
+ * ch-map[2].cpu = 2 ch-map[2].codec = 1
+ *
+ *-------------------------
+ * CPU0 <---> Codec0
+ * CPU1 <-+-> Codec1
+ * \-> Codec2
+ *
+ * ch-map[0].cpu = 0 ch-map[0].codec = 0
+ * ch-map[1].cpu = 1 ch-map[1].codec = 1
+ * ch-map[2].cpu = 1 ch-map[2].codec = 2
+ *
+ */
+struct snd_soc_dai_link_ch_map {
+ unsigned int cpu;
+ unsigned int codec;
unsigned int ch_mask;
};
@@ -688,7 +725,9 @@ struct snd_soc_dai_link {
struct snd_soc_dai_link_component *codecs;
unsigned int num_codecs;
- struct snd_soc_dai_link_codec_ch_map *codec_ch_maps;
+ /* num_ch_maps = max(num_cpu, num_codecs) */
+ struct snd_soc_dai_link_ch_map *ch_maps;
+
/*
* You MAY specify the link's platform/PCM/DMA driver, either by
* device name, or by DT/OF node, but not both. Some forms of link
@@ -775,6 +814,10 @@ struct snd_soc_dai_link {
#endif
};
+static inline int snd_soc_link_num_ch_map(struct snd_soc_dai_link *link) {
+ return max(link->num_cpus, link->num_codecs);
+}
+
static inline struct snd_soc_dai_link_component*
snd_soc_link_to_cpu(struct snd_soc_dai_link *link, int n) {
return &(link)->cpus[n];
@@ -808,6 +851,12 @@ snd_soc_link_to_platform(struct snd_soc_dai_link *link, int n) {
((cpu) = snd_soc_link_to_cpu(link, i)); \
(i)++)
+#define for_each_link_ch_maps(link, i, ch_map) \
+ for ((i) = 0; \
+ ((i) < snd_soc_link_num_ch_map(link) && \
+ ((ch_map) = link->ch_maps + i)); \
+ (i)++)
+
/*
* Sample 1 : Single CPU/Codec/Platform
*
@@ -1163,6 +1212,7 @@ struct snd_soc_pcm_runtime {
((i) < (rtd)->dai_link->num_cpus + (rtd)->dai_link->num_codecs) && \
((dai) = (rtd)->dais[i]); \
(i)++)
+#define for_each_rtd_ch_maps(rtd, i, ch_maps) for_each_link_ch_maps(rtd->dai_link, i, ch_maps)
void snd_soc_close_delayed_work(struct snd_soc_pcm_runtime *rtd);
diff --git a/sound/soc/generic/audio-graph-card2-custom-sample.dtsi b/sound/soc/generic/audio-graph-card2-custom-sample.dtsi
index 8acaa2ddb335..9efd31206c9b 100644
--- a/sound/soc/generic/audio-graph-card2-custom-sample.dtsi
+++ b/sound/soc/generic/audio-graph-card2-custom-sample.dtsi
@@ -58,12 +58,32 @@
* | |-> codec13
* +-+
*
- * [Multi-CPU/Codec]
+ * [Multi-CPU/Codec-0]
* +-+ +-+
* cpu1 <--| |<-@--------->| |-> codec1
* cpu2 <--| | | |-> codec2
* +-+ +-+
*
+ * [Multi-CPU/Codec-1]
+ *
+ * +-+ +-+
+ * | |<-@--------->| |
+ * | | | |
+ * cpu8 <--| |<----------->| |-> codec14
+ * cpu9 <--| |<---+------->| |-> codec15
+ * +-+ \------>| |-> codec16
+ * +-+
+ *
+ * [Multi-CPU/Codec-2]
+ *
+ * +-+ +-+
+ * | |<-@--------->| |
+ * | | | |
+ * cpu10 <-| |<----------->| |-> codec17
+ * cpu11 <-| |<-----+----->| |-> codec18
+ * cpu12 <-| |<----/ +-+
+ * +-+
+ *
* [DPCM]
*
* CPU3/CPU4 are converting rate to 44100
@@ -144,16 +164,39 @@
*/
&cpu0
- /* [Semi-Multi] */
+ /*
+ * [Semi-Multi]
+ * cpu7/codec12/codec13
+ */
&sm0
/*
- * [Multi-CPU/Codec]: cpu side only
+ * [Multi-CPU/Codec-0]: cpu side only
* cpu1/cpu2/codec1/codec2
*/
&mcpu0
/*
+ * [Multi-CPU/Codec-1]: cpu side only
+ * cpu8/cpu9/codec14/codec15/codec16
+ *
+ * Because it will reach to the maximum of sound minor number,
+ * disable it so far.
+ * If you want to try it, please disable some other one instead.
+ */
+ //&mcpu1
+
+ /*
+ * [Multi-CPU/Codec-2]: cpu side only
+ * cpu10/cpu11/cpu12/codec17/codec18
+ *
+ * Because it will reach to the maximum of sound minor number,
+ * disable it so far.
+ * If you want to try it, please disable some other one instead.
+ */
+ //&mcpu2
+
+ /*
* [DPCM]: both FE / BE
* cpu3/cpu4/codec3
*/
@@ -182,64 +225,259 @@
#address-cells = <1>;
#size-cells = <0>;
+ /*
+ * [Multi-CPU-0]
+ *
+ * +---+ +---+
+ * cpu1 <--|A X|<-@------->|x a|-> codec1
+ * cpu2 <--|B | | b|-> codec2
+ * +---+ +---+
+ */
ports@0 {
reg = <0>;
#address-cells = <1>;
#size-cells = <0>;
- /* [Multi-CPU] */
- mcpu0: port@0 { reg = <0>; mcpu0_ep: endpoint { remote-endpoint = <&mcodec0_ep>; }; };
- port@1 { reg = <1>; mcpu1_ep: endpoint { remote-endpoint = <&cpu1_ep>; }; };
- port@2 { reg = <2>; mcpu2_ep: endpoint { remote-endpoint = <&cpu2_ep>; }; };
+ mcpu0: port@0 { reg = <0>; mcpu00_ep: endpoint { remote-endpoint = <&mcodec00_ep>; };};/* (X) to pair */
+ port@1 { reg = <1>; mcpu01_ep: endpoint { remote-endpoint = <&cpu1_ep>; };};/* (A) Multi Element */
+ port@2 { reg = <2>; mcpu02_ep: endpoint { remote-endpoint = <&cpu2_ep>; };};/* (B) Multi Element */
};
- /* [Multi-Codec] */
+ /*
+ * [Multi-Codec-0]
+ *
+ * +---+ +---+
+ * cpu1 <--|A X|<-@------->|x a|-> codec1
+ * cpu2 <--|B | | b|-> codec2
+ * +---+ +---+
+ */
ports@1 {
reg = <1>;
#address-cells = <1>;
#size-cells = <0>;
- port@0 { reg = <0>; mcodec0_ep: endpoint { remote-endpoint = <&mcpu0_ep>; }; };
- port@1 { reg = <1>; mcodec1_ep: endpoint { remote-endpoint = <&codec1_ep>; }; };
- port@2 { reg = <2>; mcodec2_ep: endpoint { remote-endpoint = <&codec2_ep>; }; };
+ port@0 { reg = <0>; mcodec00_ep: endpoint { remote-endpoint = <&mcpu00_ep>; };};/* (x) to pair */
+ port@1 { reg = <1>; mcodec01_ep: endpoint { remote-endpoint = <&codec1_ep>; };};/* (a) Multi Element */
+ port@2 { reg = <2>; mcodec02_ep: endpoint { remote-endpoint = <&codec2_ep>; };};/* (b) Multi Element */
};
- /* [DPCM-Multi]::BE */
+ /*
+ * [DPCM-Multi]::BE
+ *
+ * FE BE
+ * **** +---+
+ * cpu5 <-@--* *-----@--->|x a|-> codec4
+ * cpu6 <-@--* * | b|-> codec5
+ * **** +---+
+ */
ports@2 {
reg = <2>;
#address-cells = <1>;
#size-cells = <0>;
- port@0 { reg = <0>; mbe_ep: endpoint { remote-endpoint = <&be10_ep>; }; };
- port@1 { reg = <1>; mbe1_ep: endpoint { remote-endpoint = <&codec4_ep>; }; };
- port@2 { reg = <2>; mbe2_ep: endpoint { remote-endpoint = <&codec5_ep>; }; };
+ port@0 { reg = <0>; mbe_ep: endpoint { remote-endpoint = <&be10_ep>; };};/* (x) to pair */
+ port@1 { reg = <1>; mbe1_ep: endpoint { remote-endpoint = <&codec4_ep>; };};/* (a) Multi Element */
+ port@2 { reg = <2>; mbe2_ep: endpoint { remote-endpoint = <&codec5_ep>; };};/* (b) Multi Element */
};
- /* [Codec2Codec-Multi]::CPU */
+ /*
+ * [Codec2Codec-Multi]::CPU
+ *
+ * +---+
+ * +-@->|X A|-> codec8
+ * | | B|-> codec9
+ * | +---+
+ * | +---+
+ * +--->|x a|-> codec10
+ * | b|-> codec11
+ * +---+
+ */
ports@3 {
reg = <3>;
#address-cells = <1>;
#size-cells = <0>;
- port@0 { reg = <0>; mc2c0_ep: endpoint { remote-endpoint = <&c2cmf_ep>; }; };
- port@1 { reg = <1>; mc2c00_ep: endpoint { remote-endpoint = <&codec8_ep>; }; };
- port@2 { reg = <2>; mc2c01_ep: endpoint { remote-endpoint = <&codec9_ep>; }; };
+ port@0 { reg = <0>; mc2c0_ep: endpoint { remote-endpoint = <&c2cmf_ep>; };};/* (X) to pair */
+ port@1 { reg = <1>; mc2c00_ep: endpoint { remote-endpoint = <&codec8_ep>; };};/* (A) Multi Element */
+ port@2 { reg = <2>; mc2c01_ep: endpoint { remote-endpoint = <&codec9_ep>; };};/* (B) Multi Element */
};
- /* [Codec2Codec-Multi]::Codec */
+ /*
+ * [Codec2Codec-Multi]::Codec
+ *
+ * +---+
+ * +-@->|X A|-> codec8
+ * | | B|-> codec9
+ * | +---+
+ * | +---+
+ * +--->|x a|-> codec10
+ * | b|-> codec11
+ * +---+
+ */
ports@4 {
reg = <4>;
#address-cells = <1>;
#size-cells = <0>;
- port@0 { reg = <0>; mc2c1_ep: endpoint { remote-endpoint = <&c2cmb_ep>; }; };
- port@1 { reg = <1>; mc2c10_ep: endpoint { remote-endpoint = <&codec10_ep>; }; };
- port@2 { reg = <2>; mc2c11_ep: endpoint { remote-endpoint = <&codec11_ep>; }; };
+ port@0 { reg = <0>; mc2c1_ep: endpoint { remote-endpoint = <&c2cmb_ep>; };};/* (x) to pair */
+ port@1 { reg = <1>; mc2c10_ep: endpoint { remote-endpoint = <&codec10_ep>; };};/* (a) Multi Element */
+ port@2 { reg = <2>; mc2c11_ep: endpoint { remote-endpoint = <&codec11_ep>; };};/* (b) Multi Element */
};
- /* [Semi-Multi] */
+ /*
+ * [Semi-Multi]
+ *
+ * +---+
+ * cpu7 <-@------->|X A|-> codec12
+ * | B|-> codec13
+ * +---+
+ */
ports@5 {
reg = <5>;
#address-cells = <1>;
#size-cells = <0>;
- port@0 { reg = <0>; smcodec0_ep: endpoint { remote-endpoint = <&cpu7_ep>; }; };
- port@1 { reg = <1>; smcodec1_ep: endpoint { remote-endpoint = <&codec12_ep>; }; };
- port@2 { reg = <2>; smcodec2_ep: endpoint { remote-endpoint = <&codec13_ep>; }; };
+ port@0 { reg = <0>; smcodec0_ep: endpoint { remote-endpoint = <&cpu7_ep>; };};/* (X) to pair */
+ port@1 { reg = <1>; smcodec1_ep: endpoint { remote-endpoint = <&codec12_ep>; };};/* (A) Multi Element */
+ port@2 { reg = <2>; smcodec2_ep: endpoint { remote-endpoint = <&codec13_ep>; };};/* (B) Multi Element */
+ };
+
+ /*
+ * [Multi-CPU-1]
+ *
+ * +---+ +---+
+ * | X|<-@------->|x |
+ * | | | |
+ * cpu8 <--|A 1|<--------->|3 a|-> codec14
+ * cpu9 <--|B 2|<---+----->|4 b|-> codec15
+ * +---+ \---->|5 c|-> codec16
+ * +---+
+ */
+ ports@6 {
+ reg = <6>;
+ #address-cells = <1>;
+ #size-cells = <0>;
+ mcpu1: port@0 { reg = <0>; mcpu10_ep: endpoint { remote-endpoint = <&mcodec10_ep>; };}; /* (X) to pair */
+ port@1 {
+ #address-cells = <1>;
+ #size-cells = <0>;
+ reg = <1>;
+ mcpu11_ep: endpoint@0 { reg = <0>; remote-endpoint = <&cpu8_ep>; }; /* (A) Multi Element */
+ mcpu11_ep_0: endpoint@1 { reg = <1>; remote-endpoint = <&mcodec11_ep_0>; }; /* (1) connected Codec */
+ };
+ port@2 {
+ #address-cells = <1>;
+ #size-cells = <0>;
+ reg = <2>;
+ mcpu12_ep: endpoint@0 { reg = <0>; remote-endpoint = <&cpu9_ep>; }; /* (B) Multi Element */
+ mcpu12_ep_0: endpoint@1 { reg = <1>; remote-endpoint = <&mcodec12_ep_0>; }; /* (2) connected Codec */
+ mcpu12_ep_1: endpoint@2 { reg = <2>; remote-endpoint = <&mcodec13_ep_0>; }; /* (2) connected Codec */
+ };
+ };
+
+ /*
+ * [Multi-Codec-1]
+ *
+ * +---+ +---+
+ * | X|<-@------->|x |
+ * | | | |
+ * cpu8 <--|A 1|<--------->|3 a|-> codec14
+ * cpu9 <--|B 2|<---+----->|4 b|-> codec15
+ * +---+ \---->|5 c|-> codec16
+ * +---+
+ */
+ ports@7 {
+ reg = <7>;
+ #address-cells = <1>;
+ #size-cells = <0>;
+ port@0 { reg = <0>; mcodec10_ep: endpoint { remote-endpoint = <&mcpu10_ep>; };}; /* (x) to pair */
+ port@1 {
+ #address-cells = <1>;
+ #size-cells = <0>;
+ reg = <1>;
+ mcodec11_ep: endpoint@0 { reg = <0>; remote-endpoint = <&codec14_ep>; }; /* (a) Multi Element */
+ mcodec11_ep_0: endpoint@1 { reg = <1>; remote-endpoint = <&mcpu11_ep_0>; }; /* (3) connected CPU */
+ };
+ port@2 {
+ #address-cells = <1>;
+ #size-cells = <0>;
+ reg = <2>;
+ mcodec12_ep: endpoint@0 { reg = <0>; remote-endpoint = <&codec15_ep>; }; /* (b) Multi Element */
+ mcodec12_ep_0: endpoint@1 { reg = <1>; remote-endpoint = <&mcpu12_ep_0>; }; /* (4) connected CPU */
+ };
+ port@3 {
+ #address-cells = <1>;
+ #size-cells = <0>;
+ reg = <3>;
+ mcodec13_ep: endpoint@0 { reg = <0>; remote-endpoint = <&codec16_ep>; }; /* (c) Multi Element */
+ mcodec13_ep_0: endpoint@1 { reg = <1>; remote-endpoint = <&mcpu12_ep_1>; }; /* (5) connected CPU */
+ };
+ };
+
+ /*
+ * [Multi-CPU-2]
+ *
+ * +---+ +---+
+ * | X|<-@------->|x |
+ * | | | |
+ * cpu10 <-|A 1|<--------->|4 a|-> codec17
+ * cpu11 <-|B 2|<-----+--->|5 b|-> codec18
+ * cpu12 <-|C 3|<----/ +---+
+ * +---+
+ */
+ ports@8 {
+ reg = <8>;
+ #address-cells = <1>;
+ #size-cells = <0>;
+ mcpu2: port@0 { reg = <0>; mcpu20_ep: endpoint { remote-endpoint = <&mcodec20_ep>; };}; /* (X) to pair */
+ port@1 {
+ #address-cells = <1>;
+ #size-cells = <0>;
+ reg = <1>;
+ mcpu21_ep: endpoint@0 { reg = <0>; remote-endpoint = <&cpu10_ep>; }; /* (A) Multi Element */
+ mcpu21_ep_0: endpoint@1 { reg = <1>; remote-endpoint = <&mcodec21_ep_0>; }; /* (1) connected Codec */
+ };
+ port@2 {
+ #address-cells = <1>;
+ #size-cells = <0>;
+ reg = <2>;
+ mcpu22_ep: endpoint@0 { reg = <0>; remote-endpoint = <&cpu11_ep>; }; /* (B) Multi Element */
+ mcpu22_ep_0: endpoint@1 { reg = <1>; remote-endpoint = <&mcodec22_ep_0>; }; /* (2) connected Codec */
+ };
+ port@3 {
+ #address-cells = <1>;
+ #size-cells = <0>;
+ reg = <3>;
+ mcpu23_ep: endpoint@0 { reg = <0>; remote-endpoint = <&cpu12_ep>; }; /* (C) Multi Element */
+ mcpu23_ep_0: endpoint@1 { reg = <1>; remote-endpoint = <&mcodec22_ep_1>; }; /* (3) connected Codec */
+ };
+ };
+
+ /*
+ * [Multi-Codec-2]
+ *
+ * +---+ +---+
+ * | X|<-@------->|x |
+ * | | | |
+ * cpu10 <-|A 1|<--------->|4 a|-> codec17
+ * cpu11 <-|B 2|<-----+--->|5 b|-> codec18
+ * cpu12 <-|C 3|<----/ +---+
+ * +---+
+ */
+ ports@9 {
+ reg = <9>;
+ #address-cells = <1>;
+ #size-cells = <0>;
+ port@0 { reg = <0>; mcodec20_ep: endpoint { remote-endpoint = <&mcpu20_ep>; };}; /* (x) to pair */
+ port@1 {
+ #address-cells = <1>;
+ #size-cells = <0>;
+ reg = <1>;
+ mcodec21_ep: endpoint@0 { reg = <0>; remote-endpoint = <&codec17_ep>; }; /* (a) Multi Element */
+ mcodec21_ep_0: endpoint@1 { reg = <1>; remote-endpoint = <&mcpu21_ep_0>; }; /* (4) connected CPU */
+ };
+ port@2 {
+ #address-cells = <1>;
+ #size-cells = <0>;
+ reg = <2>;
+ mcodec22_ep: endpoint@0 { reg = <0>; remote-endpoint = <&codec18_ep>; }; /* (b) Multi Element */
+ mcodec22_ep_0: endpoint@1 { reg = <1>; remote-endpoint = <&mcpu22_ep_0>; }; /* (5) connected CPU */
+ mcodec22_ep_1: endpoint@2 { reg = <2>; remote-endpoint = <&mcpu23_ep_0>; }; /* (5) connected CPU */
+ };
};
};
@@ -252,11 +490,27 @@
#address-cells = <1>;
#size-cells = <0>;
- /* [DPCM]::FE */
+ /*
+ * [DPCM]::FE
+ *
+ * FE BE
+ * ****
+ * cpu3 <-@(fe00)--* *--(be0)@--> codec3
+ * cpu4 <-@(fe01)--* * (44.1kHz)
+ * ****
+ */
fe00: port@0 { reg = <0>; fe00_ep: endpoint { remote-endpoint = <&cpu3_ep>; }; };
fe01: port@1 { reg = <1>; fe01_ep: endpoint { remote-endpoint = <&cpu4_ep>; }; };
- /* [DPCM-Multi]::FE */
+ /*
+ * [DPCM-Multi]::FE
+ *
+ * FE BE
+ * **** +-+
+ * cpu5 <-@(fe10)--* *---(be1)@-->| |-> codec4
+ * cpu6 <-@(fe11)--* * | |-> codec5
+ * **** +-+
+ */
fe10: port@2 { reg = <2>; fe10_ep: endpoint { remote-endpoint = <&cpu5_ep>; }; };
fe11: port@3 { reg = <3>; fe11_ep: endpoint { remote-endpoint = <&cpu6_ep>; }; };
};
@@ -266,10 +520,26 @@
#address-cells = <1>;
#size-cells = <0>;
- /* [DPCM]::BE */
+ /*
+ * [DPCM]::BE
+ *
+ * FE BE
+ * ****
+ * cpu3 <-@(fe00)--* *--(be0)@--> codec3
+ * cpu4 <-@(fe01)--* * (44.1kHz)
+ * ****
+ */
be0: port@0 { reg = <0>; be00_ep: endpoint { remote-endpoint = <&codec3_ep>; }; };
- /* [DPCM-Multi]::BE */
+ /*
+ * [DPCM-Multi]::BE
+ *
+ * FE BE
+ * **** +-+
+ * cpu5 <-@(fe10)--* *---(be1)@-->| |-> codec4
+ * cpu6 <-@(fe11)--* * | |-> codec5
+ * **** +-+
+ */
be1: port@1 { reg = <1>; be10_ep: endpoint { remote-endpoint = <&mbe_ep>; }; };
};
};
@@ -277,7 +547,13 @@
codec2codec {
#address-cells = <1>;
#size-cells = <0>;
- /* [Codec2Codec] */
+ /*
+ * [Codec2Codec]
+ *
+ * +-@(c2c)-> codec6
+ * |
+ * +--------> codec7
+ */
ports@0 {
reg = <0>;
@@ -289,7 +565,18 @@
port@1 { reg = <1>; c2cb_ep: endpoint { remote-endpoint = <&codec7_ep>; }; };
};
- /* [Codec2Codec-Multi] */
+ /*
+ * [Codec2Codec-Multi]
+ *
+ * +-+
+ * +-@(c2c_m)-->| |-> codec8
+ * | | |-> codec9
+ * | +-+
+ * | +-+
+ * +----------->| |-> codec10
+ * | |-> codec11
+ * +-+
+ */
ports@1 {
reg = <1>;
@@ -323,9 +610,9 @@
/* [Normal] */
cpu0: port@0 { reg = <0>; cpu0_ep: endpoint { remote-endpoint = <&codec0_ep>; }; };
- /* [Multi-CPU] */
- port@1 { reg = <1>; cpu1_ep: endpoint { remote-endpoint = <&mcpu1_ep>; }; };
- port@2 { reg = <2>; cpu2_ep: endpoint { remote-endpoint = <&mcpu2_ep>; }; };
+ /* [Multi-CPU-0] */
+ port@1 { reg = <1>; cpu1_ep: endpoint { remote-endpoint = <&mcpu01_ep>; }; };
+ port@2 { reg = <2>; cpu2_ep: endpoint { remote-endpoint = <&mcpu02_ep>; }; };
/* [DPCM]::FE */
port@3 { reg = <3>; cpu3_ep: endpoint { remote-endpoint = <&fe00_ep>; }; };
@@ -337,6 +624,14 @@
/* [Semi-Multi] */
sm0: port@7 { reg = <7>; cpu7_ep: endpoint { remote-endpoint = <&smcodec0_ep>; }; };
+
+ /* [Multi-CPU-1] */
+ port@8 { reg = <8>; cpu8_ep: endpoint { remote-endpoint = <&mcpu11_ep>; }; };
+ port@9 { reg = <9>; cpu9_ep: endpoint { remote-endpoint = <&mcpu12_ep>; }; };
+ /* [Multi-CPU-2] */
+ port@a { reg = <10>; cpu10_ep: endpoint { remote-endpoint = <&mcpu21_ep>; }; };
+ port@b { reg = <11>; cpu11_ep: endpoint { remote-endpoint = <&mcpu22_ep>; }; };
+ port@c { reg = <12>; cpu12_ep: endpoint { remote-endpoint = <&mcpu23_ep>; }; };
};
};
@@ -363,9 +658,9 @@
/* [Normal] */
port@0 { reg = <0>; codec0_ep: endpoint { remote-endpoint = <&cpu0_ep>; }; };
- /* [Multi-Codec] */
- port@1 { reg = <1>; codec1_ep: endpoint { remote-endpoint = <&mcodec1_ep>; }; };
- port@2 { reg = <2>; codec2_ep: endpoint { remote-endpoint = <&mcodec2_ep>; }; };
+ /* [Multi-Codec-0] */
+ port@1 { reg = <1>; codec1_ep: endpoint { remote-endpoint = <&mcodec01_ep>; }; };
+ port@2 { reg = <2>; codec2_ep: endpoint { remote-endpoint = <&mcodec02_ep>; }; };
/* [DPCM]::BE */
port@3 {
@@ -395,6 +690,13 @@
port@c { reg = <12>; codec12_ep: endpoint { remote-endpoint = <&smcodec1_ep>; }; };
port@d { reg = <13>; codec13_ep: endpoint { remote-endpoint = <&smcodec2_ep>; }; };
+ /* [Multi-Codec-1] */
+ port@e { reg = <14>; codec14_ep: endpoint { remote-endpoint = <&mcodec11_ep>; }; };
+ port@f { reg = <15>; codec15_ep: endpoint { remote-endpoint = <&mcodec12_ep>; }; };
+ port@10 { reg = <16>; codec16_ep: endpoint { remote-endpoint = <&mcodec13_ep>; }; };
+ /* [Multi-Codec-2] */
+ port@11 { reg = <17>; codec17_ep: endpoint { remote-endpoint = <&mcodec21_ep>; }; };
+ port@12 { reg = <18>; codec18_ep: endpoint { remote-endpoint = <&mcodec22_ep>; }; };
};
};
};
diff --git a/sound/soc/generic/audio-graph-card2.c b/sound/soc/generic/audio-graph-card2.c
index 7146611df730..d9e10308a508 100644
--- a/sound/soc/generic/audio-graph-card2.c
+++ b/sound/soc/generic/audio-graph-card2.c
@@ -83,32 +83,32 @@
Multi-CPU/Codec
************************************
-It has connection part (= X) and list part (= y).
-links indicates connection part of CPU side (= A).
+It has link connection part (= X,x) and list part (= A,B,a,b).
+"links" is connection part of CPU side (= @).
- +-+ (A) +-+
- CPU1 --(y) | | <-(X)--(X)-> | | (y)-- Codec1
- CPU2 --(y) | | | | (y)-- Codec2
- +-+ +-+
+ +----+ +---+
+ CPU1 --|A X| <-@----> |x a|-- Codec1
+ CPU2 --|B | | b|-- Codec2
+ +----+ +---+
- sound {
- compatible = "audio-graph-card2";
+ sound {
+ compatible = "audio-graph-card2";
-(A) links = <&mcpu>;
+(@) links = <&mcpu>;
- multi {
- ports@0 {
-(X) (A) mcpu: port@0 { mcpu0_ep: endpoint { remote-endpoint = <&mcodec0_ep>; }; };
-(y) port@1 { mcpu1_ep: endpoint { remote-endpoint = <&cpu1_ep>; }; };
-(y) port@2 { mcpu2_ep: endpoint { remote-endpoint = <&cpu2_ep>; }; };
- };
- ports@1 {
-(X) port@0 { mcodec0_ep: endpoint { remote-endpoint = <&mcpu0_ep>; }; };
-(y) port@1 { mcodec1_ep: endpoint { remote-endpoint = <&codec1_ep>; }; };
-(y) port@2 { mcodec2_ep: endpoint { remote-endpoint = <&codec2_ep>; }; };
- };
+ multi {
+ ports@0 {
+(@) mcpu: port@0 { mcpu0_ep: endpoint { remote-endpoint = <&mcodec0_ep>; }; }; // (X) to pair
+ port@1 { mcpu1_ep: endpoint { remote-endpoint = <&cpu1_ep>; }; }; // (A) Multi Element
+ port@2 { mcpu2_ep: endpoint { remote-endpoint = <&cpu2_ep>; }; }; // (B) Multi Element
+ };
+ ports@1 {
+ port@0 { mcodec0_ep: endpoint { remote-endpoint = <&mcpu0_ep>; }; }; // (x) to pair
+ port@1 { mcodec1_ep: endpoint { remote-endpoint = <&codec1_ep>; }; }; // (a) Multi Element
+ port@2 { mcodec2_ep: endpoint { remote-endpoint = <&codec2_ep>; }; }; // (b) Multi Element
};
};
+ };
CPU {
ports {
@@ -328,9 +328,9 @@ static struct device_node *graph_get_next_multi_ep(struct device_node **port)
/*
* multi {
* ports {
- * => lnk: port@0 { ... };
- * port@1 { ep { ... = rep0 } };
- * port@2 { ep { ... = rep1 } };
+ * => lnk: port@0 { ... }; // to pair
+ * port@1 { ep { ... = rep0 } }; // Multi Element
+ * port@2 { ep { ... = rep1 } }; // Multi Element
* ...
* };
* };
@@ -504,40 +504,203 @@ static int __graph_parse_node(struct simple_util_priv *priv,
return 0;
}
-static int graph_parse_node(struct simple_util_priv *priv,
- enum graph_type gtype,
- struct device_node *port,
- struct link_info *li, int is_cpu)
+static int graph_parse_node_multi_nm(struct snd_soc_dai_link *dai_link,
+ int *nm_idx, int cpu_idx,
+ struct device_node *mcpu_port)
{
- struct device_node *ep;
- int ret = 0;
+ /*
+ * +---+ +---+
+ * | X|<-@------->|x |
+ * | | | |
+ * cpu0 <--|A 1|<--------->|4 a|-> codec0
+ * cpu1 <--|B 2|<-----+--->|5 b|-> codec1
+ * cpu2 <--|C 3|<----/ +---+
+ * +---+
+ *
+ * multi {
+ * ports {
+ * port@0 { mcpu_top_ep {... = mcodec_ep; }; }; // (X) to pair
+ * <mcpu_port> port@1 { mcpu0_ep { ... = cpu0_ep; }; // (A) Multi Element
+ * mcpu0_ep_0 { ... = mcodec0_ep_0; }; }; // (1) connected Codec
+ * port@2 { mcpu1_ep { ... = cpu1_ep; }; // (B) Multi Element
+ * mcpu1_ep_0 { ... = mcodec1_ep_0; }; }; // (2) connected Codec
+ * port@3 { mcpu2_ep { ... = cpu2_ep; }; // (C) Multi Element
+ * mcpu2_ep_0 { ... = mcodec1_ep_1; }; }; // (3) connected Codec
+ * };
+ *
+ * ports {
+ * port@0 { mcodec_top_ep {... = mcpu_ep; }; }; // (x) to pair
+ * <mcodec_port>port@1 { mcodec0_ep { ... = codec0_ep; }; // (a) Multi Element
+ * mcodec0_ep_0 { ... = mcpu0_ep_0; }; }; // (4) connected CPU
+ * port@2 { mcodec1_ep { ... = codec1_ep; }; // (b) Multi Element
+ * mcodec1_ep_0 { ... = mcpu1_ep_0; }; // (5) connected CPU
+ * mcodec1_ep_1 { ... = mcpu2_ep_0; }; }; // (5) connected CPU
+ * };
+ * };
+ */
+ struct device_node *mcpu_ep = port_to_endpoint(mcpu_port);
+ struct device_node *mcpu_ep_n = mcpu_ep;
+ struct device_node *mcpu_port_top = of_get_next_child(of_get_parent(mcpu_port), NULL);
+ struct device_node *mcpu_ep_top = port_to_endpoint(mcpu_port_top);
+ struct device_node *mcodec_ep_top = of_graph_get_remote_endpoint(mcpu_ep_top);
+ struct device_node *mcodec_port_top = of_get_parent(mcodec_ep_top);
+ struct device_node *mcodec_ports = of_get_parent(mcodec_port_top);
+ int nm_max = max(dai_link->num_cpus, dai_link->num_codecs);
+ int ret = -EINVAL;
- if (graph_lnk_is_multi(port)) {
- int idx;
+ if (cpu_idx > dai_link->num_cpus)
+ goto mcpu_err;
- of_node_get(port);
+ while (1) {
+ struct device_node *mcodec_ep_n;
+ struct device_node *mcodec_port_i;
+ struct device_node *mcodec_port;
+ int codec_idx;
- for (idx = 0;; idx++) {
- ep = graph_get_next_multi_ep(&port);
- if (!ep)
- break;
+ if (*nm_idx > nm_max)
+ break;
- ret = __graph_parse_node(priv, gtype, ep,
- li, is_cpu, idx);
- of_node_put(ep);
- if (ret < 0)
+ mcpu_ep_n = of_get_next_child(mcpu_port, mcpu_ep_n);
+ if (!mcpu_ep_n) {
+ ret = 0;
+ break;
+ }
+
+ mcodec_ep_n = of_graph_get_remote_endpoint(mcpu_ep_n);
+ mcodec_port = of_get_parent(mcodec_ep_n);
+
+ if (mcodec_ports != of_get_parent(mcodec_port))
+ goto mcpu_err;
+
+ codec_idx = 0;
+ mcodec_port_i = of_get_next_child(mcodec_ports, NULL);
+ while (1) {
+ if (codec_idx > dai_link->num_codecs)
+ goto mcodec_err;
+
+ mcodec_port_i = of_get_next_child(mcodec_ports, mcodec_port_i);
+
+ if (!mcodec_port_i)
+ goto mcodec_err;
+
+ if (mcodec_port_i == mcodec_port)
break;
+
+ codec_idx++;
}
- } else {
- /* Single CPU / Codec */
- ep = port_to_endpoint(port);
- ret = __graph_parse_node(priv, gtype, ep, li, is_cpu, 0);
+
+ dai_link->ch_maps[*nm_idx].cpu = cpu_idx;
+ dai_link->ch_maps[*nm_idx].codec = codec_idx;
+
+ (*nm_idx)++;
+
+ of_node_put(mcodec_port_i);
+mcodec_err:
+ of_node_put(mcodec_port);
+ of_node_put(mcpu_ep_n);
+ of_node_put(mcodec_ep_n);
+ }
+mcpu_err:
+ of_node_put(mcpu_ep);
+ of_node_put(mcpu_port_top);
+ of_node_put(mcpu_ep_top);
+ of_node_put(mcodec_ep_top);
+ of_node_put(mcodec_port_top);
+ of_node_put(mcodec_ports);
+
+ return ret;
+}
+
+static int graph_parse_node_multi(struct simple_util_priv *priv,
+ enum graph_type gtype,
+ struct device_node *port,
+ struct link_info *li, int is_cpu)
+{
+ struct snd_soc_dai_link *dai_link = simple_priv_to_link(priv, li->link);
+ struct device *dev = simple_priv_to_dev(priv);
+ struct device_node *ep;
+ int ret = -ENOMEM;
+ int nm_idx = 0;
+ int nm_max = max(dai_link->num_cpus, dai_link->num_codecs);
+
+ /*
+ * create ch_maps if CPU:Codec = N:M
+ * DPCM is out of scope
+ */
+ if (gtype != GRAPH_DPCM && !dai_link->ch_maps &&
+ dai_link->num_cpus > 1 && dai_link->num_codecs > 1 &&
+ dai_link->num_cpus != dai_link->num_codecs) {
+
+ dai_link->ch_maps = devm_kcalloc(dev, nm_max,
+ sizeof(struct snd_soc_dai_link_ch_map), GFP_KERNEL);
+ if (!dai_link->ch_maps)
+ goto multi_err;
+ }
+
+ for (int idx = 0;; idx++) {
+ /*
+ * multi {
+ * ports {
+ * <port> port@0 { ... }; // to pair
+ * port@1 { mcpu1_ep { ... = cpu1_ep };}; // Multi Element
+ * port@2 { mcpu2_ep { ... = cpu2_ep };}; // Multi Element
+ * };
+ * };
+ *
+ * cpu {
+ * ports {
+ * <ep> port@0 { cpu1_ep { ... = mcpu1_ep };};
+ * };
+ * };
+ */
+ ep = graph_get_next_multi_ep(&port);
+ if (!ep)
+ break;
+
+ ret = __graph_parse_node(priv, gtype, ep, li, is_cpu, idx);
of_node_put(ep);
+ if (ret < 0)
+ goto multi_err;
+
+ /* CPU:Codec = N:M */
+ if (is_cpu && dai_link->ch_maps) {
+ ret = graph_parse_node_multi_nm(dai_link, &nm_idx, idx, port);
+ if (ret < 0)
+ goto multi_err;
+ }
}
+ if (is_cpu && dai_link->ch_maps && (nm_idx != nm_max))
+ ret = -EINVAL;
+
+multi_err:
return ret;
}
+static int graph_parse_node_single(struct simple_util_priv *priv,
+ enum graph_type gtype,
+ struct device_node *port,
+ struct link_info *li, int is_cpu)
+{
+ struct device_node *ep = port_to_endpoint(port);
+ int ret = __graph_parse_node(priv, gtype, ep, li, is_cpu, 0);
+
+ of_node_put(ep);
+
+ return ret;
+}
+
+static int graph_parse_node(struct simple_util_priv *priv,
+ enum graph_type gtype,
+ struct device_node *port,
+ struct link_info *li, int is_cpu)
+{
+ if (graph_lnk_is_multi(port))
+ return graph_parse_node_multi(priv, gtype, port, li, is_cpu);
+ else
+ return graph_parse_node_single(priv, gtype, port, li, is_cpu);
+}
+
static void graph_parse_daifmt(struct device_node *node,
unsigned int *daifmt, unsigned int *bit_frame)
{
@@ -920,17 +1083,33 @@ static int graph_counter(struct device_node *lnk)
*
* multi {
* ports {
- * => lnk: port@0 { ... };
- * port@1 { ... };
- * port@2 { ... };
+ * => lnk: port@0 { ... }; // to pair
+ * port@1 { ... }; // Multi Element
+ * port@2 { ... }; // Multi Element
* ...
* };
* };
*
* ignore first lnk part
*/
- if (graph_lnk_is_multi(lnk))
- return of_graph_get_endpoint_count(of_get_parent(lnk)) - 1;
+ if (graph_lnk_is_multi(lnk)) {
+ struct device_node *ports = of_get_parent(lnk);
+ struct device_node *port = NULL;
+ int cnt = 0;
+
+ /*
+ * CPU/Codec = N:M case has many endpoints.
+ * We can't use of_graph_get_endpoint_count() here
+ */
+ while(1) {
+ port = of_get_next_child(ports, port);
+ if (!port)
+ break;
+ cnt++;
+ }
+
+ return cnt - 1;
+ }
/*
* Single CPU / Codec
*/
diff --git a/sound/soc/intel/boards/sof_sdw.c b/sound/soc/intel/boards/sof_sdw.c
index 3312ad8a563b..2faf7372bad0 100644
--- a/sound/soc/intel/boards/sof_sdw.c
+++ b/sound/soc/intel/boards/sof_sdw.c
@@ -570,16 +570,14 @@ int sdw_hw_params(struct snd_pcm_substream *substream,
struct snd_pcm_hw_params *params)
{
struct snd_soc_pcm_runtime *rtd = snd_soc_substream_to_rtd(substream);
+ struct snd_soc_dai_link_ch_map *ch_maps;
int ch = params_channels(params);
- struct snd_soc_dai *codec_dai;
- struct snd_soc_dai *cpu_dai;
unsigned int ch_mask;
int num_codecs;
int step;
int i;
- int j;
- if (!rtd->dai_link->codec_ch_maps)
+ if (!rtd->dai_link->ch_maps)
return 0;
/* Identical data will be sent to all codecs in playback */
@@ -605,13 +603,9 @@ int sdw_hw_params(struct snd_pcm_substream *substream,
* link has more than one codec DAIs. Set codec channel mask and
* ASoC will set the corresponding channel numbers for each cpu dai.
*/
- for_each_rtd_cpu_dais(rtd, i, cpu_dai) {
- for_each_rtd_codec_dais(rtd, j, codec_dai) {
- if (rtd->dai_link->codec_ch_maps[j].connected_cpu_id != i)
- continue;
- rtd->dai_link->codec_ch_maps[j].ch_mask = ch_mask << (j * step);
- }
- }
+ for_each_link_ch_maps(rtd->dai_link, i, ch_maps)
+ ch_maps->ch_mask = ch_mask << (i * step);
+
return 0;
}
@@ -1350,15 +1344,17 @@ static int get_slave_info(const struct snd_soc_acpi_link_adr *adr_link,
return 0;
}
-static void set_dailink_map(struct snd_soc_dai_link_codec_ch_map *sdw_codec_ch_maps,
+static void set_dailink_map(struct snd_soc_dai_link_ch_map *sdw_codec_ch_maps,
int codec_num, int cpu_num)
{
int step;
int i;
step = codec_num / cpu_num;
- for (i = 0; i < codec_num; i++)
- sdw_codec_ch_maps[i].connected_cpu_id = i / step;
+ for (i = 0; i < codec_num; i++) {
+ sdw_codec_ch_maps[i].cpu = i / step;
+ sdw_codec_ch_maps[i].codec = i;
+ }
}
static const char * const type_strings[] = {"SimpleJack", "SmartAmp", "SmartMic"};
@@ -1453,7 +1449,7 @@ static int create_sdw_dailink(struct snd_soc_card *card, int *link_index,
*ignore_pch_dmic = true;
for_each_pcm_streams(stream) {
- struct snd_soc_dai_link_codec_ch_map *sdw_codec_ch_maps;
+ struct snd_soc_dai_link_ch_map *sdw_codec_ch_maps;
char *name, *cpu_name;
int playback, capture;
static const char * const sdw_stream_name[] = {
@@ -1530,7 +1526,7 @@ static int create_sdw_dailink(struct snd_soc_card *card, int *link_index,
dai_links[*link_index].nonatomic = true;
set_dailink_map(sdw_codec_ch_maps, codec_num, cpu_dai_num);
- dai_links[*link_index].codec_ch_maps = sdw_codec_ch_maps;
+ dai_links[*link_index].ch_maps = sdw_codec_ch_maps;
ret = set_codec_init_func(card, adr_link, dai_links + (*link_index)++,
playback, group_id, adr_index, dai_index);
if (ret < 0) {
diff --git a/sound/soc/soc-core.c b/sound/soc/soc-core.c
index b2bd45e87bc3..4ca3319a8e19 100644
--- a/sound/soc/soc-core.c
+++ b/sound/soc/soc-core.c
@@ -1015,6 +1015,94 @@ component_dai_empty:
return -EINVAL;
}
+#define MAX_DEFAULT_CH_MAP_SIZE 7
+static struct snd_soc_dai_link_ch_map default_ch_map_sync[MAX_DEFAULT_CH_MAP_SIZE] = {
+ { .cpu = 0, .codec = 0 },
+ { .cpu = 1, .codec = 1 },
+ { .cpu = 2, .codec = 2 },
+ { .cpu = 3, .codec = 3 },
+ { .cpu = 4, .codec = 4 },
+ { .cpu = 5, .codec = 5 },
+ { .cpu = 6, .codec = 6 },
+};
+static struct snd_soc_dai_link_ch_map default_ch_map_1cpu[MAX_DEFAULT_CH_MAP_SIZE] = {
+ { .cpu = 0, .codec = 0 },
+ { .cpu = 0, .codec = 1 },
+ { .cpu = 0, .codec = 2 },
+ { .cpu = 0, .codec = 3 },
+ { .cpu = 0, .codec = 4 },
+ { .cpu = 0, .codec = 5 },
+ { .cpu = 0, .codec = 6 },
+};
+static struct snd_soc_dai_link_ch_map default_ch_map_1codec[MAX_DEFAULT_CH_MAP_SIZE] = {
+ { .cpu = 0, .codec = 0 },
+ { .cpu = 1, .codec = 0 },
+ { .cpu = 2, .codec = 0 },
+ { .cpu = 3, .codec = 0 },
+ { .cpu = 4, .codec = 0 },
+ { .cpu = 5, .codec = 0 },
+ { .cpu = 6, .codec = 0 },
+};
+static int snd_soc_compensate_channel_connection_map(struct snd_soc_card *card,
+ struct snd_soc_dai_link *dai_link)
+{
+ struct snd_soc_dai_link_ch_map *ch_maps;
+ int i;
+
+ /*
+ * dai_link->ch_maps indicates how CPU/Codec are connected.
+ * It will be a map seen from a larger number of DAI.
+ * see
+ * soc.h :: [dai_link->ch_maps Image sample]
+ */
+
+ /* it should have ch_maps if connection was N:M */
+ if (dai_link->num_cpus > 1 && dai_link->num_codecs > 1 &&
+ dai_link->num_cpus != dai_link->num_codecs && !dai_link->ch_maps) {
+ dev_err(card->dev, "need to have ch_maps when N:M connction (%s)",
+ dai_link->name);
+ return -EINVAL;
+ }
+
+ /* do nothing if it has own maps */
+ if (dai_link->ch_maps)
+ goto sanity_check;
+
+ /* check default map size */
+ if (dai_link->num_cpus > MAX_DEFAULT_CH_MAP_SIZE ||
+ dai_link->num_codecs > MAX_DEFAULT_CH_MAP_SIZE) {
+ dev_err(card->dev, "soc-core.c needs update default_connection_maps");
+ return -EINVAL;
+ }
+
+ /* Compensate missing map for ... */
+ if (dai_link->num_cpus == dai_link->num_codecs)
+ dai_link->ch_maps = default_ch_map_sync; /* for 1:1 or N:N */
+ else if (dai_link->num_cpus < dai_link->num_codecs)
+ dai_link->ch_maps = default_ch_map_1cpu; /* for 1:N */
+ else
+ dai_link->ch_maps = default_ch_map_1codec; /* for N:1 */
+
+sanity_check:
+ dev_dbg(card->dev, "dai_link %s\n", dai_link->stream_name);
+ for_each_link_ch_maps(dai_link, i, ch_maps) {
+ if ((ch_maps->cpu >= dai_link->num_cpus) ||
+ (ch_maps->codec >= dai_link->num_codecs)) {
+ dev_err(card->dev,
+ "unexpected dai_link->ch_maps[%d] index (cpu(%d/%d) codec(%d/%d))",
+ i,
+ ch_maps->cpu, dai_link->num_cpus,
+ ch_maps->codec, dai_link->num_codecs);
+ return -EINVAL;
+ }
+
+ dev_dbg(card->dev, " [%d] cpu%d <-> codec%d\n",
+ i, ch_maps->cpu, ch_maps->codec);
+ }
+
+ return 0;
+}
+
/**
* snd_soc_remove_pcm_runtime - Remove a pcm_runtime from card
* @card: The ASoC card to which the pcm_runtime has
@@ -1121,8 +1209,13 @@ int snd_soc_add_pcm_runtimes(struct snd_soc_card *card,
int num_dai_link)
{
for (int i = 0; i < num_dai_link; i++) {
- int ret = snd_soc_add_pcm_runtime(card, dai_link + i);
+ int ret;
+
+ ret = snd_soc_compensate_channel_connection_map(card, dai_link + i);
+ if (ret < 0)
+ return ret;
+ ret = snd_soc_add_pcm_runtime(card, dai_link + i);
if (ret < 0)
return ret;
}
diff --git a/sound/soc/soc-dapm.c b/sound/soc/soc-dapm.c
index 407a26af3eaf..bffeea80277f 100644
--- a/sound/soc/soc-dapm.c
+++ b/sound/soc/soc-dapm.c
@@ -4436,11 +4436,14 @@ static void soc_dapm_dai_stream_event(struct snd_soc_dai *dai, int stream,
void snd_soc_dapm_connect_dai_link_widgets(struct snd_soc_card *card)
{
struct snd_soc_pcm_runtime *rtd;
+ struct snd_soc_dai *cpu_dai;
struct snd_soc_dai *codec_dai;
- int i;
/* for each BE DAI link... */
for_each_card_rtds(card, rtd) {
+ struct snd_soc_dai_link_ch_map *ch_maps;
+ int i;
+
/*
* dynamic FE links have no fixed DAI mapping.
* CODEC<->CODEC links have no direct connection.
@@ -4448,39 +4451,15 @@ void snd_soc_dapm_connect_dai_link_widgets(struct snd_soc_card *card)
if (rtd->dai_link->dynamic)
continue;
- if (rtd->dai_link->num_cpus == 1) {
- for_each_rtd_codec_dais(rtd, i, codec_dai)
- dapm_connect_dai_pair(card, rtd, codec_dai,
- snd_soc_rtd_to_cpu(rtd, 0));
- } else if (rtd->dai_link->num_codecs == rtd->dai_link->num_cpus) {
- for_each_rtd_codec_dais(rtd, i, codec_dai)
- dapm_connect_dai_pair(card, rtd, codec_dai,
- snd_soc_rtd_to_cpu(rtd, i));
- } else if (rtd->dai_link->num_codecs > rtd->dai_link->num_cpus) {
- int cpu_id;
-
- if (!rtd->dai_link->codec_ch_maps) {
- dev_err(card->dev, "%s: no codec channel mapping table provided\n",
- __func__);
- continue;
- }
+ /*
+ * see
+ * soc.h :: [dai_link->ch_maps Image sample]
+ */
+ for_each_rtd_ch_maps(rtd, i, ch_maps) {
+ cpu_dai = snd_soc_rtd_to_cpu(rtd, ch_maps->cpu);
+ codec_dai = snd_soc_rtd_to_codec(rtd, ch_maps->codec);
- for_each_rtd_codec_dais(rtd, i, codec_dai) {
- cpu_id = rtd->dai_link->codec_ch_maps[i].connected_cpu_id;
- if (cpu_id >= rtd->dai_link->num_cpus) {
- dev_err(card->dev,
- "%s: dai_link %s cpu_id %d too large, num_cpus is %d\n",
- __func__, rtd->dai_link->name, cpu_id,
- rtd->dai_link->num_cpus);
- continue;
- }
- dapm_connect_dai_pair(card, rtd, codec_dai,
- snd_soc_rtd_to_cpu(rtd, cpu_id));
- }
- } else {
- dev_err(card->dev,
- "%s: codec number %d < cpu number %d is not supported\n",
- __func__, rtd->dai_link->num_codecs, rtd->dai_link->num_cpus);
+ dapm_connect_dai_pair(card, rtd, codec_dai, cpu_dai);
}
}
}
diff --git a/sound/soc/soc-pcm.c b/sound/soc/soc-pcm.c
index 323e4d7b6adf..c20573aeb756 100644
--- a/sound/soc/soc-pcm.c
+++ b/sound/soc/soc-pcm.c
@@ -1050,6 +1050,7 @@ static int __soc_pcm_hw_params(struct snd_soc_pcm_runtime *rtd,
}
for_each_rtd_cpu_dais(rtd, i, cpu_dai) {
+ struct snd_soc_dai_link_ch_map *ch_maps;
unsigned int ch_mask = 0;
int j;
@@ -1063,22 +1064,20 @@ static int __soc_pcm_hw_params(struct snd_soc_pcm_runtime *rtd,
/* copy params for each cpu */
tmp_params = *params;
- if (!rtd->dai_link->codec_ch_maps)
- goto hw_params;
/*
* construct cpu channel mask by combining ch_mask of each
* codec which maps to the cpu.
+ * see
+ * soc.h :: [dai_link->ch_maps Image sample]
*/
- for_each_rtd_codec_dais(rtd, j, codec_dai) {
- if (rtd->dai_link->codec_ch_maps[j].connected_cpu_id == i)
- ch_mask |= rtd->dai_link->codec_ch_maps[j].ch_mask;
- }
+ for_each_rtd_ch_maps(rtd, j, ch_maps)
+ if (ch_maps->cpu == i)
+ ch_mask |= ch_maps->ch_mask;
/* fixup cpu channel number */
if (ch_mask)
soc_pcm_codec_params_fixup(&tmp_params, ch_mask);
-hw_params:
ret = snd_soc_dai_hw_params(cpu_dai, substream, &tmp_params);
if (ret < 0)
goto out;
@@ -2826,35 +2825,20 @@ static int soc_get_playback_capture(struct snd_soc_pcm_runtime *rtd,
}
}
} else {
+ struct snd_soc_dai_link_ch_map *ch_maps;
struct snd_soc_dai *codec_dai;
/* Adapt stream for codec2codec links */
int cpu_capture = snd_soc_get_stream_cpu(dai_link, SNDRV_PCM_STREAM_CAPTURE);
int cpu_playback = snd_soc_get_stream_cpu(dai_link, SNDRV_PCM_STREAM_PLAYBACK);
- for_each_rtd_codec_dais(rtd, i, codec_dai) {
- if (dai_link->num_cpus == 1) {
- cpu_dai = snd_soc_rtd_to_cpu(rtd, 0);
- } else if (dai_link->num_cpus == dai_link->num_codecs) {
- cpu_dai = snd_soc_rtd_to_cpu(rtd, i);
- } else if (rtd->dai_link->num_codecs > rtd->dai_link->num_cpus) {
- int cpu_id;
-
- if (!rtd->dai_link->codec_ch_maps) {
- dev_err(rtd->card->dev, "%s: no codec channel mapping table provided\n",
- __func__);
- return -EINVAL;
- }
-
- cpu_id = rtd->dai_link->codec_ch_maps[i].connected_cpu_id;
- cpu_dai = snd_soc_rtd_to_cpu(rtd, cpu_id);
- } else {
- dev_err(rtd->card->dev,
- "%s codec number %d < cpu number %d is not supported\n",
- __func__, rtd->dai_link->num_codecs,
- rtd->dai_link->num_cpus);
- return -EINVAL;
- }
+ /*
+ * see
+ * soc.h :: [dai_link->ch_maps Image sample]
+ */
+ for_each_rtd_ch_maps(rtd, i, ch_maps) {
+ cpu_dai = snd_soc_rtd_to_cpu(rtd, ch_maps->cpu);
+ codec_dai = snd_soc_rtd_to_codec(rtd, ch_maps->codec);
if (snd_soc_dai_stream_valid(codec_dai, SNDRV_PCM_STREAM_PLAYBACK) &&
snd_soc_dai_stream_valid(cpu_dai, cpu_playback))
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