diff options
Diffstat (limited to 'sound/soc/generic')
| -rw-r--r-- | sound/soc/generic/Kconfig | 20 | ||||
| -rw-r--r-- | sound/soc/generic/Makefile | 6 | ||||
| -rw-r--r-- | sound/soc/generic/audio-graph-card.c | 4 | ||||
| -rw-r--r-- | sound/soc/generic/audio-graph-card2-custom-sample.c | 183 | ||||
| -rw-r--r-- | sound/soc/generic/audio-graph-card2-custom-sample.dtsi | 227 | ||||
| -rw-r--r-- | sound/soc/generic/audio-graph-card2.c | 1281 | ||||
| -rw-r--r-- | sound/soc/generic/simple-card-utils.c | 50 | ||||
| -rw-r--r-- | sound/soc/generic/test-component.c | 659 |
8 files changed, 2426 insertions, 4 deletions
diff --git a/sound/soc/generic/Kconfig b/sound/soc/generic/Kconfig index 4cafcf0e2bbf..b6df4e26bc4a 100644 --- a/sound/soc/generic/Kconfig +++ b/sound/soc/generic/Kconfig @@ -17,3 +17,23 @@ config SND_AUDIO_GRAPH_CARD This option enables generic simple sound card support with OF-graph DT bindings. It also support DPCM of multi CPU single Codec ststem. + +config SND_AUDIO_GRAPH_CARD2 + tristate "ASoC Audio Graph sound card2 support" + depends on OF + select SND_SIMPLE_CARD_UTILS + help + This option enables generic simple sound card2 support + with OF-graph DT bindings. + +config SND_AUDIO_GRAPH_CARD2_CUSTOM_SAMPLE + tristate "ASoC Audio Graph Card2 base custom sample support" + depends on SND_AUDIO_GRAPH_CARD2 + help + This option enables Audio Graph Card2 base custom sample + +config SND_TEST_COMPONENT + tristate "ASoC Test component sound support" + depends on OF + help + This option enables test component sound driver support. diff --git a/sound/soc/generic/Makefile b/sound/soc/generic/Makefile index 21c29e5e0671..084862156506 100644 --- a/sound/soc/generic/Makefile +++ b/sound/soc/generic/Makefile @@ -2,7 +2,13 @@ snd-soc-simple-card-utils-objs := simple-card-utils.o snd-soc-simple-card-objs := simple-card.o snd-soc-audio-graph-card-objs := audio-graph-card.o +snd-soc-audio-graph-card2-objs := audio-graph-card2.o +snd-soc-audio-graph-card2-custom-sample-objs := audio-graph-card2-custom-sample.o +snd-soc-test-component-objs := test-component.o obj-$(CONFIG_SND_SIMPLE_CARD_UTILS) += snd-soc-simple-card-utils.o obj-$(CONFIG_SND_SIMPLE_CARD) += snd-soc-simple-card.o obj-$(CONFIG_SND_AUDIO_GRAPH_CARD) += snd-soc-audio-graph-card.o +obj-$(CONFIG_SND_AUDIO_GRAPH_CARD2) += snd-soc-audio-graph-card2.o +obj-$(CONFIG_SND_AUDIO_GRAPH_CARD2_CUSTOM_SAMPLE) += snd-soc-audio-graph-card2-custom-sample.o +obj-$(CONFIG_SND_TEST_COMPONENT) += snd-soc-test-component.o diff --git a/sound/soc/generic/audio-graph-card.c b/sound/soc/generic/audio-graph-card.c index 546f6fd0609e..7eb027238327 100644 --- a/sound/soc/generic/audio-graph-card.c +++ b/sound/soc/generic/audio-graph-card.c @@ -310,8 +310,10 @@ static int graph_dai_link_of_dpcm(struct asoc_simple_priv *priv, * For example: FE <-> BE1 <-> BE2 <-> ... <-> BEn where * there are 'n' BE components in the path. */ - if (card->component_chaining && !soc_component_is_pcm(cpus)) + if (card->component_chaining && !soc_component_is_pcm(cpus)) { dai_link->no_pcm = 1; + dai_link->be_hw_params_fixup = asoc_simple_be_hw_params_fixup; + } asoc_simple_canonicalize_cpu(cpus, is_single_links); asoc_simple_canonicalize_platform(platforms, cpus); diff --git a/sound/soc/generic/audio-graph-card2-custom-sample.c b/sound/soc/generic/audio-graph-card2-custom-sample.c new file mode 100644 index 000000000000..4a2c743e286c --- /dev/null +++ b/sound/soc/generic/audio-graph-card2-custom-sample.c @@ -0,0 +1,183 @@ +// SPDX-License-Identifier: GPL-2.0 +// +// audio-graph-card2-custom-sample.c +// +// Copyright (C) 2020 Renesas Electronics Corp. +// Copyright (C) 2020 Kuninori Morimoto <kuninori.morimoto.gx@renesas.com> +// +#include <linux/module.h> +#include <linux/of_gpio.h> +#include <linux/platform_device.h> +#include <sound/graph_card.h> + +/* + * Custom driver can have own priv + * which includes asoc_simple_priv. + */ +struct custom_priv { + struct asoc_simple_priv simple_priv; + + /* custom driver's own params */ + int custom_params; +}; + +/* You can get custom_priv from simple_priv */ +#define simple_to_custom(simple) container_of((simple), struct custom_priv, simple_priv) + +static int custom_card_probe(struct snd_soc_card *card) +{ + struct asoc_simple_priv *simple_priv = snd_soc_card_get_drvdata(card); + struct custom_priv *custom_priv = simple_to_custom(simple_priv); + struct device *dev = simple_priv_to_dev(simple_priv); + + dev_info(dev, "custom probe\n"); + + custom_priv->custom_params = 1; + + /* you can use generic probe function */ + return asoc_graph_card_probe(card); +} + +static int custom_hook_pre(struct asoc_simple_priv *priv) +{ + struct device *dev = simple_priv_to_dev(priv); + + /* You can custom before parsing */ + dev_info(dev, "hook : %s\n", __func__); + + return 0; +} + +static int custom_hook_post(struct asoc_simple_priv *priv) +{ + struct device *dev = simple_priv_to_dev(priv); + struct snd_soc_card *card; + + /* You can custom after parsing */ + dev_info(dev, "hook : %s\n", __func__); + + /* overwrite .probe sample */ + card = simple_priv_to_card(priv); + card->probe = custom_card_probe; + + return 0; +} + +static int custom_normal(struct asoc_simple_priv *priv, + struct device_node *lnk, + struct link_info *li) +{ + struct device *dev = simple_priv_to_dev(priv); + + /* + * You can custom Normal parsing + * before/affter audio_graph2_link_normal() + */ + dev_info(dev, "hook : %s\n", __func__); + + return audio_graph2_link_normal(priv, lnk, li); +} + +static int custom_dpcm(struct asoc_simple_priv *priv, + struct device_node *lnk, + struct link_info *li) +{ + struct device *dev = simple_priv_to_dev(priv); + + /* + * You can custom DPCM parsing + * before/affter audio_graph2_link_dpcm() + */ + dev_info(dev, "hook : %s\n", __func__); + + return audio_graph2_link_dpcm(priv, lnk, li); +} + +static int custom_c2c(struct asoc_simple_priv *priv, + struct device_node *lnk, + struct link_info *li) +{ + struct device *dev = simple_priv_to_dev(priv); + + /* + * You can custom Codec2Codec parsing + * before/affter audio_graph2_link_c2c() + */ + dev_info(dev, "hook : %s\n", __func__); + + return audio_graph2_link_c2c(priv, lnk, li); +} + +/* + * audio-graph-card2 has many hooks for your customizing. + */ +static struct graph2_custom_hooks custom_hooks = { + .hook_pre = custom_hook_pre, + .hook_post = custom_hook_post, + .custom_normal = custom_normal, + .custom_dpcm = custom_dpcm, + .custom_c2c = custom_c2c, +}; + +static int custom_startup(struct snd_pcm_substream *substream) +{ + struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream); + struct asoc_simple_priv *priv = snd_soc_card_get_drvdata(rtd->card); + struct device *dev = simple_priv_to_dev(priv); + + dev_info(dev, "custom startup\n"); + + return asoc_simple_startup(substream); +} + +/* You can use custom ops */ +static const struct snd_soc_ops custom_ops = { + .startup = custom_startup, + .shutdown = asoc_simple_shutdown, + .hw_params = asoc_simple_hw_params, +}; + +static int custom_probe(struct platform_device *pdev) +{ + struct custom_priv *custom_priv; + struct asoc_simple_priv *simple_priv; + struct device *dev = &pdev->dev; + int ret; + + custom_priv = devm_kzalloc(dev, sizeof(*custom_priv), GFP_KERNEL); + if (!custom_priv) + return -ENOMEM; + + simple_priv = &custom_priv->simple_priv; + simple_priv->ops = &custom_ops; /* customize dai_link ops */ + + /* use audio-graph-card2 parsing with own custom hooks */ + ret = audio_graph2_parse_of(simple_priv, dev, &custom_hooks); + if (ret < 0) + return ret; + + /* customize more if needed */ + + return 0; +} + +static const struct of_device_id custom_of_match[] = { + { .compatible = "audio-graph-card2-custom-sample", }, + {}, +}; +MODULE_DEVICE_TABLE(of, custom_of_match); + +static struct platform_driver custom_card = { + .driver = { + .name = "audio-graph-card2-custom-sample", + .of_match_table = custom_of_match, + }, + .probe = custom_probe, + .remove = asoc_simple_remove, +}; +module_platform_driver(custom_card); + +MODULE_ALIAS("platform:asoc-audio-graph-card2-custom-sample"); +MODULE_LICENSE("GPL v2"); +MODULE_DESCRIPTION("ASoC Audio Graph Card2 Custom Sample"); +MODULE_AUTHOR("Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>"); diff --git a/sound/soc/generic/audio-graph-card2-custom-sample.dtsi b/sound/soc/generic/audio-graph-card2-custom-sample.dtsi new file mode 100644 index 000000000000..8eee7b821ff7 --- /dev/null +++ b/sound/soc/generic/audio-graph-card2-custom-sample.dtsi @@ -0,0 +1,227 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * audio-graph-card2-custom-sample.dtsi + * + * Copyright (C) 2020 Renesas Electronics Corp. + * Copyright (C) 2020 Kuninori Morimoto <kuninori.morimoto.gx@renesas.com> + * + * This sample indicates how to use audio-graph-card2 and its + * custom driver. "audio-graph-card2-custom-sample" is the custome driver + * which is using audio-graph-card2. + * + * You can easily use this sample by adding below line on your DT file, + * and add new CONFIG to your .config. + * + * #include "../../../../../sound/soc/generic/audio-graph-card2-custom-sample.dtsi" + * + * CONFIG_SND_AUDIO_GRAPH_CARD2 + * CONFIG_SND_AUDIO_GRAPH_CARD2_CUSTOM_SAMPLE + * CONFIG_SND_TEST_COMPONENT + */ +/ { + /* + * @ : used at links + * + * [Normal] + * cpu0 <-@-----------------> codec0 + * + * [Multi-CPU/Codec] + * +-+ +-+ + * cpu1 <--| |<-@--------->| |-> codec1 + * cpu2 <--| | | |-> codec2 + * +-+ +-+ + * + * [DPCM] + * FE BE + * **** + * cpu3 <-@--* *--@-> codec3 + * cpu4 <-@--* * + * **** + * + * [DPCM-Multi] + * + * --NOTE-- + * Multi-FE is not supported by ASoC. + * + * FE BE + * **** +-+ + * cpu5 <-@--* *--@-> | | -> codec4 + * cpu6 <-@--* * | | -> codec5 + * **** +-+ + * + * [Codec2Codec] + * +-@-> codec6 + * | + * +---> codec7 + * + * [Codec2Codec-Multi] + * + * --NOTE-- + * Multi connect N:M is not supported by ASoC. + * + * +-+ + * +-@->| |-> codec8 + * | | |-> codec9 + * | +-+ + * | +-+ + * +--->| |-> codec10 + * | |-> codec11 + * +-+ + */ + audio-graph-card2-custom-sample { + /* + * You can use audio-graph-card2 directly by using + * + * compatible = "audio-graph-card2"; + */ + compatible = "audio-graph-card2-custom-sample"; + + /* for [DPCM] */ + /* BE FE */ + routing = "TC DAI3 Playback", "DAI3 Playback", + "TC DAI3 Playback", "DAI4 Playback", + "DAI3 Capture", "TC DAI3 Capture", + "DAI4 Capture", "TC DAI3 Capture", + /* for [DPCM-Multi] */ + /* BE FE */ + "TC DAI4 Playback", "DAI5 Playback", + "TC DAI5 Playback", "DAI5 Playback", + "TC DAI4 Playback", "DAI6 Playback", + "TC DAI5 Playback", "DAI6 Playback", + "DAI5 Capture", "TC DAI4 Capture", + "DAI5 Capture", "TC DAI5 Capture", + "DAI6 Capture", "TC DAI4 Capture", + "DAI6 Capture", "TC DAI5 Capture", + /* for [Codec2Codec] */ + "TC OUT", "TC DAI7 Playback", + "TC DAI6 Capture", "TC IN", + /* for [Codec2Codec-Multi] */ + "TC OUT", "TC DAI10 Playback", + "TC DAI8 Capture", "TC IN", + "TC OUT", "TC DAI11 Playback", + "TC DAI9 Capture", "TC IN"; + + links = <&cpu0 /* normal: cpu side only */ + &mcpu0 /* multi: cpu side only */ + &fe00 &fe01 &be0 /* dpcm: both FE / BE */ + &fe10 &fe11 &be1 /* dpcm-m: both FE / BE */ + &c2c /* c2c: cpu side only */ + &c2c_m /* c2c: cpu side only */ + >; + + multi { + ports@0 { + mcpu0: port@0 { mcpu0_ep: endpoint { remote-endpoint = <&mcodec0_ep>; }; }; + port@1 { mcpu1_ep: endpoint { remote-endpoint = <&cpu1_ep>; }; }; + port@2 { mcpu2_ep: endpoint { remote-endpoint = <&cpu2_ep>; }; }; + }; + ports@1 { + port@0 { mcodec0_ep: endpoint { remote-endpoint = <&mcpu0_ep>; }; }; + port@1 { mcodec1_ep: endpoint { remote-endpoint = <&codec1_ep>; }; }; + port@2 { mcodec2_ep: endpoint { remote-endpoint = <&codec2_ep>; }; }; + }; + ports@2 { + port@0 { mbe_ep: endpoint { remote-endpoint = <&be10_ep>; }; }; + port@1 { mbe1_ep: endpoint { remote-endpoint = <&codec4_ep>; }; }; + port@2 { mbe2_ep: endpoint { remote-endpoint = <&codec5_ep>; }; }; + }; + ports@3 { + port@0 { mc2c0_ep: endpoint { remote-endpoint = <&c2cmf_ep>; }; }; + port@1 { mc2c00_ep: endpoint { remote-endpoint = <&codec8_ep>; }; }; + port@2 { mc2c01_ep: endpoint { remote-endpoint = <&codec9_ep>; }; }; + }; + ports@4 { + port@0 { mc2c1_ep: endpoint { remote-endpoint = <&c2cmb_ep>; }; }; + port@1 { mc2c10_ep: endpoint { remote-endpoint = <&codec10_ep>; }; }; + port@2 { mc2c11_ep: endpoint { remote-endpoint = <&codec11_ep>; }; }; + }; + }; + + dpcm { + /* FE */ + ports@0 { + fe00: port@0 { fe00_ep: endpoint { remote-endpoint = <&cpu3_ep>; }; }; + fe01: port@1 { fe01_ep: endpoint { remote-endpoint = <&cpu4_ep>; }; }; + fe10: port@2 { fe10_ep: endpoint { remote-endpoint = <&cpu5_ep>; }; }; + fe11: port@3 { fe11_ep: endpoint { remote-endpoint = <&cpu6_ep>; }; }; + }; + /* BE */ + ports@1 { + be0: port@0 { be00_ep: endpoint { remote-endpoint = <&codec3_ep>; }; }; + be1: port@1 { be10_ep: endpoint { remote-endpoint = <&mbe_ep>; }; }; + }; + }; + + codec2codec { + ports@0 { + rate = <48000>; + c2c: port@0 { c2cf_ep: endpoint { remote-endpoint = <&codec6_ep>; }; }; + port@1 { c2cb_ep: endpoint { remote-endpoint = <&codec7_ep>; }; }; + }; + ports@1 { + rate = <48000>; + c2c_m: port@0 { c2cmf_ep: endpoint { remote-endpoint = <&mc2c0_ep>; }; }; + port@1 { c2cmb_ep: endpoint { remote-endpoint = <&mc2c1_ep>; }; }; + }; + }; + }; + + test_cpu { + /* + * update compatible to indicate more detail behaviour + * if you want. see test-compatible for more detail. + * + * ex) + * - compatible = "test-cpu"; + * + compatible = "test-cpu-verbose"; + */ + compatible = "test-cpu"; + ports { + bitclock-master; + frame-master; + cpu0: port@0 { cpu0_ep: endpoint { remote-endpoint = <&codec0_ep>; }; }; + port@1 { cpu1_ep: endpoint { remote-endpoint = <&mcpu1_ep>; }; }; + port@2 { cpu2_ep: endpoint { remote-endpoint = <&mcpu2_ep>; }; }; + port@3 { cpu3_ep: endpoint { remote-endpoint = <&fe00_ep>; }; }; + port@4 { cpu4_ep: endpoint { remote-endpoint = <&fe01_ep>; }; }; + port@5 { cpu5_ep: endpoint { remote-endpoint = <&fe10_ep>; }; }; + port@6 { cpu6_ep: endpoint { remote-endpoint = <&fe11_ep>; }; }; + }; + }; + + test_codec { + /* + * update compatible to indicate more detail behaviour + * if you want. see test-compatible for more detail. + * + * ex) + * - compatible = "test-codec"; + * + compatible = "test-codec-verbose"; + */ + compatible = "test-codec"; + ports { + /* + * prefix can be added to *component*, + * see audio-graph-card2::routing + */ + prefix = "TC"; + + port@0 { codec0_ep: endpoint { remote-endpoint = <&cpu0_ep>; }; }; + port@1 { codec1_ep: endpoint { remote-endpoint = <&mcodec1_ep>; }; }; + port@2 { codec2_ep: endpoint { remote-endpoint = <&mcodec2_ep>; }; }; + port@3 { codec3_ep: endpoint { remote-endpoint = <&be00_ep>; }; }; + port@4 { codec4_ep: endpoint { remote-endpoint = <&mbe1_ep>; }; }; + port@5 { codec5_ep: endpoint { remote-endpoint = <&mbe2_ep>; }; }; + port@6 { bitclock-master; + frame-master; + codec6_ep: endpoint { remote-endpoint = <&c2cf_ep>; }; }; + port@7 { codec7_ep: endpoint { remote-endpoint = <&c2cb_ep>; }; }; + port@8 { bitclock-master; + frame-master; + codec8_ep: endpoint { remote-endpoint = <&mc2c00_ep>; }; }; + port@9 { codec9_ep: endpoint { remote-endpoint = <&mc2c01_ep>; }; }; + port@10 { codec10_ep: endpoint { remote-endpoint = <&mc2c10_ep>; }; }; + port@11 { codec11_ep: endpoint { remote-endpoint = <&mc2c11_ep>; }; }; + }; + }; +}; diff --git a/sound/soc/generic/audio-graph-card2.c b/sound/soc/generic/audio-graph-card2.c new file mode 100644 index 000000000000..b6049bcfb771 --- /dev/null +++ b/sound/soc/generic/audio-graph-card2.c @@ -0,0 +1,1281 @@ +// SPDX-License-Identifier: GPL-2.0 +// +// ASoC Audio Graph Card2 support +// +// Copyright (C) 2020 Renesas Electronics Corp. +// Copyright (C) 2020 Kuninori Morimoto <kuninori.morimoto.gx@renesas.com> +// +// based on ${LINUX}/sound/soc/generic/audio-graph-card.c +#include <linux/clk.h> +#include <linux/device.h> +#include <linux/gpio.h> +#include <linux/gpio/consumer.h> +#include <linux/module.h> +#include <linux/of.h> +#include <linux/of_device.h> +#include <linux/of_gpio.h> +#include <linux/of_graph.h> +#include <linux/platform_device.h> +#include <linux/string.h> +#include <sound/graph_card.h> + +/************************************ + daifmt + ************************************ + ports { + format = "left_j"; + port@0 { + bitclock-master; + sample0: endpoint@0 { + frame-master; + }; + sample1: endpoint@1 { + format = "i2s"; + }; + }; + ... + }; + + You can set daifmt at ports/port/endpoint. + It uses *latest* format, and *share* master settings. + In above case, + sample0: left_j, bitclock-master, frame-master + sample1: i2s, bitclock-master + + If there was no settings, *Codec* will be + bitclock/frame provider as default. + see + graph_parse_daifmt(). + + ************************************ + Normal Audio-Graph + ************************************ + + CPU <---> Codec + + sound { + compatible = "audio-graph-card2"; + links = <&cpu>; + }; + + CPU { + cpu: port { + bitclock-master; + frame-master; + cpu_ep: endpoint { remote-endpoint = <&codec_ep>; }; }; + }; + + Codec { + port { codec_ep: endpoint { remote-endpoint = <&cpu_ep>; }; }; + }; + + ************************************ + Multi-CPU/Codec + ************************************ + +It has connection part (= X) and list part (= y). +links indicates connection part of CPU side (= A). + + +-+ (A) +-+ + CPU1 --(y) | | <-(X)--(X)-> | | (y)-- Codec1 + CPU2 --(y) | | | | (y)-- Codec2 + +-+ +-+ + + sound { + compatible = "audio-graph-card2"; + +(A) 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@1 { mcpu2_ep: endpoint { remote-endpoint = <&cpu2_ep>; }; }; + }; + ports@1 { +(X) port@0 { mcodec0_ep: endpoint { remote-endpoint = <&mcpu0_ep>; }; }; +(y) port@0 { mcodec1_ep: endpoint { remote-endpoint = <&codec1_ep>; }; }; +(y) port@1 { mcodec2_ep: endpoint { remote-endpoint = <&codec2_ep>; }; }; + }; + }; + }; + + CPU { + ports { + bitclock-master; + frame-master; + port@0 { cpu1_ep: endpoint { remote-endpoint = <&mcpu1_ep>; }; }; + port@1 { cpu2_ep: endpoint { remote-endpoint = <&mcpu2_ep>; }; }; + }; + }; + + Codec { + ports { + port@0 { codec1_ep: endpoint { remote-endpoint = <&mcodec1_ep>; }; }; + port@1 { codec2_ep: endpoint { remote-endpoint = <&mcodec2_ep>; }; }; + }; + }; + + ************************************ + DPCM + ************************************ + + DSP + ************ + PCM0 <--> * fe0 be0 * <--> DAI0: Codec Headset + PCM1 <--> * fe1 be1 * <--> DAI1: Codec Speakers + PCM2 <--> * fe2 be2 * <--> DAI2: MODEM + PCM3 <--> * fe3 be3 * <--> DAI3: BT + * be4 * <--> DAI4: DMIC + * be5 * <--> DAI5: FM + ************ + + sound { + compatible = "audio-graph-card2"; + + // indicate routing + routing = "xxx Playback", "xxx Playback", + "xxx Playback", "xxx Playback", + "xxx Playback", "xxx Playback"; + + // indicate all Front-End, Back-End + links = <&fe0, &fe1, ..., + &be0, &be1, ...>; + + dpcm { + // Front-End + ports@0 { + fe0: port@0 { fe0_ep: endpoint { remote-endpoint = <&pcm0_ep>; }; }; + fe1: port@1 { fe1_ep: endpoint { remote-endpoint = <&pcm1_ep>; }; }; + ... + }; + // Back-End + ports@1 { + be0: port@0 { be0_ep: endpoint { remote-endpoint = <&dai0_ep>; }; }; + be1: port@1 { be1_ep: endpoint { remote-endpoint = <&dai1_ep>; }; }; + ... + }; + }; + }; + + CPU { + ports { + bitclock-master; + frame-master; + port@0 { pcm0_ep: endpoint { remote-endpoint = <&fe0_ep>; }; }; + port@1 { pcm1_ep: endpoint { remote-endpoint = <&fe1_ep>; }; }; + ... + }; + }; + + Codec { + ports { + port@0 { dai0_ep: endpoint { remote-endpoint = <&be0_ep>; }; }; + port@1 { dai1_ep: endpoint { remote-endpoint = <&be1_ep>; }; }; + ... + }; + }; + + ************************************ + Codec to Codec + ************************************ + + +--+ + | |<-- Codec0 <- IN + | |--> Codec1 -> OUT + +--+ + + sound { + compatible = "audio-graph-card2"; + + routing = "OUT" ,"DAI1 Playback", + "DAI0 Capture", "IN"; + + links = <&c2c>; + + codec2codec { + ports { + rate = <48000>; + c2c: port@0 { c2cf_ep: endpoint { remote-endpoint = <&codec0_ep>; }; }; + port@1 { c2cb_ep: endpoint { remote-endpoint = <&codec1_ep>; }; }; + }; + }; + + Codec { + ports { + port@0 { + bitclock-master; + frame-master; + codec0_ep: endpoint { remote-endpoint = <&c2cf_ep>; }; }; + port@1 { codec1_ep: endpoint { remote-endpoint = <&c2cb_ep>; }; }; + }; + }; + +*/ + +enum graph_type { + GRAPH_NORMAL, + GRAPH_DPCM, + GRAPH_C2C, + + GRAPH_MULTI, /* don't use ! Use this only in __graph_get_type() */ +}; + +#define GRAPH_NODENAME_MULTI "multi" +#define GRAPH_NODENAME_DPCM "dpcm" +#define GRAPH_NODENAME_C2C "codec2codec" + +#define port_to_endpoint(port) of_get_child_by_name(port, "endpoint") + +static enum graph_type __graph_get_type(struct device_node *lnk) +{ + struct device_node *np; + + /* + * target { + * ports { + * => lnk: port@0 { ... }; + * port@1 { ... }; + * }; + * }; + */ + np = of_get_parent(lnk); + if (of_node_name_eq(np, "ports")) + np = of_get_parent(np); + + if (of_node_name_eq(np, GRAPH_NODENAME_MULTI)) + return GRAPH_MULTI; + + if (of_node_name_eq(np, GRAPH_NODENAME_DPCM)) + return GRAPH_DPCM; + + if (of_node_name_eq(np, GRAPH_NODENAME_C2C)) + return GRAPH_C2C; + + return GRAPH_NORMAL; +} + +static enum graph_type graph_get_type(struct asoc_simple_priv *priv, + struct device_node *lnk) +{ + enum graph_type type = __graph_get_type(lnk); + + /* GRAPH_MULTI here means GRAPH_NORMAL */ + if (type == GRAPH_MULTI) + type = GRAPH_NORMAL; + +#ifdef DEBUG + { + struct device *dev = simple_priv_to_dev(priv); + const char *str = "Normal"; + + switch (type) { + case GRAPH_DPCM: + if (asoc_graph_is_ports0(lnk)) + str = "DPCM Front-End"; + else + str = "DPCM Back-End"; + break; + case GRAPH_C2C: + str = "Codec2Codec"; + break; + default: + break; + } + + dev_dbg(dev, "%pOF (%s)", lnk, str); + } +#endif + return type; +} + +static int graph_lnk_is_multi(struct device_node *lnk) +{ + return __graph_get_type(lnk) == GRAPH_MULTI; +} + +static struct device_node *graph_get_next_multi_ep(struct device_node **port) +{ + struct device_node *ports = of_get_parent(*port); + struct device_node *ep = NULL; + struct device_node *rep = NULL; + + /* + * multi { + * ports { + * => lnk: port@0 { ... }; + * port@1 { ep { ... = rep0 } }; + * port@2 { ep { ... = rep1 } }; + * ... + * }; + * }; + * + * xxx { + * port@0 { rep0 }; + * port@1 { rep1 }; + * }; + */ + do { + *port = of_get_next_child(ports, *port); + if (!*port) + break; + } while (!of_node_name_eq(*port, "port")); + + if (*port) { + ep = port_to_endpoint(*port); + rep = of_graph_get_remote_endpoint(ep); + } + + of_node_put(ep); + of_node_put(ports); + + return rep; +} + +static const struct snd_soc_ops graph_ops = { + .startup = asoc_simple_startup, + .shutdown = asoc_simple_shutdown, + .hw_params = asoc_simple_hw_params, +}; + +static int graph_get_dai_id(struct device_node *ep) +{ + struct device_node *node; + struct device_node *endpoint; + struct of_endpoint info; + int i, id; + const u32 *reg; + int ret; + + /* use driver specified DAI ID if exist */ + ret = snd_soc_get_dai_id(ep); + if (ret != -ENOTSUPP) + return ret; + + /* use endpoint/port reg if exist */ + ret = of_graph_parse_endpoint(ep, &info); + if (ret == 0) { + /* + * Because it will count port/endpoint if it doesn't have "reg". + * But, we can't judge whether it has "no reg", or "reg = <0>" + * only of_graph_parse_endpoint(). + * We need to check "reg" property + */ + if (of_get_property(ep, "reg", NULL)) + return info.id; + + node = of_get_parent(ep); + reg = of_get_property(node, "reg", NULL); + of_node_put(node); + if (reg) + return info.port; + } + node = of_graph_get_port_parent(ep); + + /* + * Non HDMI sound case, counting port/endpoint on its DT + * is enough. Let's count it. + */ + i = 0; + id = -1; + for_each_endpoint_of_node(node, endpoint) { + if (endpoint == ep) + id = i; + i++; + } + + of_node_put(node); + + if (id < 0) + return -ENODEV; + + return id; +} + +static int asoc_simple_parse_dai(struct device_node *ep, + struct snd_soc_dai_link_component *dlc, + int *is_single_link) +{ + struct device_node *node; + struct of_phandle_args args; + int ret; + + if (!ep) + return 0; + + node = of_graph_get_port_parent(ep); + + /* Get dai->name */ + args.np = node; + args.args[0] = graph_get_dai_id(ep); + args.args_count = (of_graph_get_endpoint_count(node) > 1); + + /* + * FIXME + * + * Here, dlc->dai_name is pointer to CPU/Codec DAI name. + * If user unbinded CPU or Codec driver, but not for Sound Card, + * dlc->dai_name is keeping unbinded CPU or Codec + * driver's pointer. + * + * If user re-bind CPU or Codec driver again, ALSA SoC will try + * to rebind Card via snd_soc_try_rebind_card(), but because of + * above reason, it might can't bind Sound Card. + * Because Sound Card is pointing to released dai_name pointer. + * + * To avoid this rebind Card issue, + * 1) It needs to alloc memory to keep dai_name eventhough + * CPU or Codec driver was unbinded, or + * 2) user need to rebind Sound Card everytime + * if he unbinded CPU or Codec. + */ + ret = snd_soc_get_dai_name(&args, &dlc->dai_name); + if (ret < 0) + return ret; + + dlc->of_node = node; + + if (is_single_link) + *is_single_link = of_graph_get_endpoint_count(node) == 1; + + return 0; +} + +static void graph_parse_convert(struct device_node *ep, + struct simple_dai_props *props) +{ + struct device_node *port = of_get_parent(ep); + struct device_node *ports = of_get_parent(port); + struct asoc_simple_data *adata = &props->adata; + + if (of_node_name_eq(ports, "ports")) + asoc_simple_parse_convert(ports, NULL, adata); + asoc_simple_parse_convert(port, NULL, adata); + asoc_simple_parse_convert(ep, NULL, adata); + + of_node_put(port); + of_node_put(ports); +} + +static void graph_parse_mclk_fs(struct device_node *ep, + struct simple_dai_props *props) +{ + struct device_node *port = of_get_parent(ep); + struct device_node *ports = of_get_parent(port); + + if (of_node_name_eq(ports, "ports")) + of_property_read_u32(ports, "mclk-fs", &props->mclk_fs); + of_property_read_u32(port, "mclk-fs", &props->mclk_fs); + of_property_read_u32(ep, "mclk-fs", &props->mclk_fs); + + of_node_put(port); + of_node_put(ports); +} + +static int __graph_parse_node(struct asoc_simple_priv *priv, + enum graph_type gtype, + struct device_node *ep, + struct link_info *li, + int is_cpu, int idx) +{ + struct device *dev = simple_priv_to_dev(priv); + struct snd_soc_dai_link *dai_link = simple_priv_to_link(priv, li->link); + struct simple_dai_props *dai_props = simple_priv_to_props(priv, li->link); + struct snd_soc_dai_link_component *dlc; + struct asoc_simple_dai *dai; + int ret, is_single_links = 0; + + if (is_cpu) { + dlc = asoc_link_to_cpu(dai_link, idx); + dai = simple_props_to_dai_cpu(dai_props, idx); + } else { + dlc = asoc_link_to_codec(dai_link, idx); + dai = simple_props_to_dai_codec(dai_props, idx); + } + + graph_parse_mclk_fs(ep, dai_props); + + ret = asoc_simple_parse_dai(ep, dlc, &is_single_links); + if (ret < 0) + return ret; + + ret = asoc_simple_parse_tdm(ep, dai); + if (ret < 0) + return ret; + + ret = asoc_simple_parse_clk(dev, ep, dai, dlc); + if (ret < 0) + return ret; + + /* + * set DAI Name + */ + if (!dai_link->name) { + struct snd_soc_dai_link_component *cpus = dlc; + struct snd_soc_dai_link_component *codecs = asoc_link_to_codec(dai_link, idx); + char *cpu_multi = ""; + char *codec_multi = ""; + + if (dai_link->num_cpus > 1) + cpu_multi = "_multi"; + if (dai_link->num_codecs > 1) + codec_multi = "_multi"; + + switch (gtype) { + case GRAPH_NORMAL: + /* run is_cpu only. see audio_graph2_link_normal() */ + if (is_cpu) + asoc_simple_set_dailink_name(dev, dai_link, "%s%s-%s%s", + cpus->dai_name, cpu_multi, + codecs->dai_name, codec_multi); + break; + case GRAPH_DPCM: + if (is_cpu) + asoc_simple_set_dailink_name(dev, dai_link, "fe.%pOFP.%s%s", + cpus->of_node, cpus->dai_name, cpu_multi); + else + asoc_simple_set_dailink_name(dev, dai_link, "be.%pOFP.%s%s", + codecs->of_node, codecs->dai_name, codec_multi); + break; + case GRAPH_C2C: + /* run is_cpu only. see audio_graph2_link_c2c() */ + if (is_cpu) + asoc_simple_set_dailink_name(dev, dai_link, "c2c.%s%s-%s%s", + cpus->dai_name, cpu_multi, + codecs->dai_name, codec_multi); + break; + default: + break; + } + } + + /* + * Check "prefix" from top node + * if DPCM-BE case + */ + if (!is_cpu && gtype == GRAPH_DPCM) { + struct snd_soc_dai_link_component *codecs = asoc_link_to_codec(dai_link, idx); + struct snd_soc_codec_conf *cconf = simple_props_to_codec_conf(dai_props, idx); + struct device_node *rport = of_get_parent(ep); + struct device_node *rports = of_get_parent(rport); + + if (of_node_name_eq(rports, "ports")) + snd_soc_of_parse_node_prefix(rports, cconf, codecs->of_node, "prefix"); + snd_soc_of_parse_node_prefix(rport, cconf, codecs->of_node, "prefix"); + + of_node_put(rport); + of_node_put(rports); + } + + if (is_cpu) { + struct snd_soc_dai_link_component *cpus = dlc; + struct snd_soc_dai_link_component *platforms = asoc_link_to_platform(dai_link, idx); + + asoc_simple_canonicalize_cpu(cpus, is_single_links); + asoc_simple_canonicalize_platform(platforms, cpus); + } + + return 0; +} + +static int graph_parse_node(struct asoc_simple_priv *priv, + enum graph_type gtype, + struct device_node *port, + struct link_info *li, int is_cpu) +{ + struct device_node *ep; + int ret = 0; + + if (graph_lnk_is_multi(port)) { + int idx; + + of_node_get(port); + + for (idx = 0;; idx++) { + 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) + break; + } + } else { + /* Single CPU / Codec */ + ep = port_to_endpoint(port); + ret = __graph_parse_node(priv, gtype, ep, li, is_cpu, 0); + of_node_put(ep); + } + + return ret; +} + +static void graph_parse_daifmt(struct device_node *node, + unsigned int *daifmt, unsigned int *bit_frame) +{ + unsigned int fmt; + + /* + * see also above "daifmt" explanation + * and samples. + */ + + /* + * ports { + * (A) + * port { + * (B) + * endpoint { + * (C) + * }; + * }; + * }; + * }; + */ + + /* + * clock_provider: + * + * It can be judged it is provider + * if (A) or (B) or (C) has bitclock-master / frame-master flag. + * + * use "or" + */ + *bit_frame |= snd_soc_daifmt_parse_clock_provider_as_bitmap(node, NULL); + +#define update_daifmt(name) \ + if (!(*daifmt & SND_SOC_DAIFMT_##name##_MASK) && \ + (fmt & SND_SOC_DAIFMT_##name##_MASK)) \ + *daifmt |= fmt & SND_SOC_DAIFMT_##name##_MASK + + /* + * format + * + * This function is called by (C) -> (B) -> (A) order. + * Set if applicable part was not yet set. + */ + fmt = snd_soc_daifmt_parse_format(node, NULL); + update_daifmt(FORMAT); + update_daifmt(CLOCK); + update_daifmt(INV); +} + +static void graph_link_init(struct asoc_simple_priv *priv, + struct device_node *port, + struct link_info *li, + int is_cpu_node) +{ + struct snd_soc_dai_link *dai_link = simple_priv_to_link(priv, li->link); + struct device_node *ep; + struct device_node *ports; + unsigned int daifmt = 0, daiclk = 0; + unsigned int bit_frame = 0; + + if (graph_lnk_is_multi(port)) { + of_node_get(port); + ep = graph_get_next_multi_ep(&port); + port = of_get_parent(ep); + } else { + ep = port_to_endpoint(port); + } + + ports = of_get_parent(port); + + /* + * ports { + * (A) + * port { + * (B) + * endpoint { + * (C) + * }; + * }; + * }; + * }; + */ + graph_parse_daifmt(ep, &daifmt, &bit_frame); /* (C) */ + graph_parse_daifmt(port, &daifmt, &bit_frame); /* (B) */ + if (of_node_name_eq(ports, "ports")) + graph_parse_daifmt(ports, &daifmt, &bit_frame); /* (A) */ + + /* + * convert bit_frame + * We need to flip clock_provider if it was CPU node, + * because it is Codec base. + */ + daiclk = snd_soc_daifmt_clock_provider_from_bitmap(bit_frame); + if (is_cpu_node) + daiclk = snd_soc_daifmt_clock_provider_fliped(daiclk); + + dai_link->dai_fmt = daifmt | daiclk; + dai_link->init = asoc_simple_dai_init; + dai_link->ops = &graph_ops; + if (priv->ops) + dai_link->ops = priv->ops; +} + +int audio_graph2_link_normal(struct asoc_simple_priv *priv, + struct device_node *lnk, + struct link_info *li) +{ + struct device_node *cpu_port = lnk; + struct device_node *cpu_ep = port_to_endpoint(cpu_port); + struct device_node *codec_port = of_graph_get_remote_port(cpu_ep); + int ret; + + /* + * call Codec first. + * see + * __graph_parse_node() :: DAI Naming + */ + ret = graph_parse_node(priv, GRAPH_NORMAL, codec_port, li, 0); + if (ret < 0) + goto err; + + /* + * call CPU, and set DAI Name + */ + ret = graph_parse_node(priv, GRAPH_NORMAL, cpu_port, li, 1); + if (ret < 0) + goto err; + + graph_link_init(priv, cpu_port, li, 1); +err: + of_node_put(codec_port); + of_node_put(cpu_ep); + + return ret; +} +EXPORT_SYMBOL_GPL(audio_graph2_link_normal); + +int audio_graph2_link_dpcm(struct asoc_simple_priv *priv, + struct device_node *lnk, + struct link_info *li) +{ + struct device_node *ep = port_to_endpoint(lnk); + struct device_node *rep = of_graph_get_remote_endpoint(ep); + struct device_node *rport = of_graph_get_remote_port(ep); + struct snd_soc_dai_link *dai_link = simple_priv_to_link(priv, li->link); + struct simple_dai_props *dai_props = simple_priv_to_props(priv, li->link); + int is_cpu = asoc_graph_is_ports0(lnk); + int ret; + + if (is_cpu) { + /* + * dpcm { + * // Front-End + * ports@0 { + * => lnk: port@0 { ep: { ... = rep }; }; + * ... + * }; + * // Back-End + * ports@0 { + * ... + * }; + * }; + * + * CPU { + * rports: ports { + * rport: port@0 { rep: { ... = ep } }; + * } + * } + */ + /* + * setup CPU here, Codec is already set as dummy. + * see + * asoc_simple_init_priv() + */ + dai_link->dynamic = 1; + dai_link->dpcm_merged_format = 1; + + ret = graph_parse_node(priv, GRAPH_DPCM, rport, li, 1); + if (ret) + goto err; + } else { + /* + * dpcm { + * // Front-End + * ports@0 { + * ... + * }; + * // Back-End + * ports@0 { + * => lnk: port@0 { ep: { ... = rep; }; }; + * ... + * }; + * }; + * + * Codec { + * rports: ports { + * rport: port@0 { rep: { ... = ep; }; }; + * } + * } + */ + /* + * setup Codec here, CPU is already set as dummy. + * see + * asoc_simple_init_priv() + */ + + /* BE settings */ + dai_link->no_pcm = 1; + dai_link->be_hw_params_fixup = asoc_simple_be_hw_params_fixup; + + ret = graph_parse_node(priv, GRAPH_DPCM, rport, li, 0); + if (ret < 0) + goto err; + } + + graph_parse_convert(rep, dai_props); + + snd_soc_dai_link_set_capabilities(dai_link); + + graph_link_init(priv, rport, li, is_cpu); +err: + of_node_put(ep); + of_node_put(rep); + of_node_put(rport); + + return ret; +} +EXPORT_SYMBOL_GPL(audio_graph2_link_dpcm); + +int audio_graph2_link_c2c(struct asoc_simple_priv *priv, + struct device_node *lnk, + struct link_info *li) +{ + struct snd_soc_dai_link *dai_link = simple_priv_to_link(priv, li->link); + struct simple_dai_props *dai_props = simple_priv_to_props(priv, li->link); + struct snd_soc_pcm_stream *c2c_conf = dai_props->c2c_conf; + struct device_node *port0, *port1, *ports; + struct device_node *codec0_port, *codec1_port; + struct device_node *ep0, *ep1; + u32 val; + int ret = -EINVAL; + + /* + * codec2codec { + * ports { + * rate = <48000>; + * => lnk: port@0 { c2c0_ep: { ... = codec0_ep; }; }; + * port@1 { c2c1_ep: { ... = codec1_ep; }; }; + * }; + * }; + * + * Codec { + * ports { + * port@0 { codec0_ep: ... }; }; + * port@1 { codec1_ep: ... }; }; + * }; + * }; + */ + of_node_get(lnk); + port0 = lnk; + ports = of_get_parent(port0); + port1 = of_get_next_child(ports, lnk); + + if (!of_get_property(ports, "rate", &val)) { + struct device *dev = simple_priv_to_dev(priv); + + dev_err(dev, "Codec2Codec needs rate settings\n"); + goto err1; + } + + c2c_conf->formats = SNDRV_PCM_FMTBIT_S32_LE; /* update ME */ + c2c_conf->rate_min = + c2c_conf->rate_max = val; + c2c_conf->channels_min = + c2c_conf->channels_max = 2; /* update ME */ + dai_link->params = c2c_conf; + + ep0 = port_to_endpoint(port0); + ep1 = port_to_endpoint(port1); + + codec0_port = of_graph_get_remote_port(ep0); + codec1_port = of_graph_get_remote_port(ep1); + + /* + * call Codec first. + * see + * __graph_parse_node() :: DAI Naming + */ + ret = graph_parse_node(priv, GRAPH_C2C, codec1_port, li, 0); + if (ret < 0) + goto err2; + + /* + * call CPU, and set DAI Name + */ + ret = graph_parse_node(priv, GRAPH_C2C, codec0_port, li, 1); + if (ret < 0) + goto err2; + + graph_link_init(priv, codec0_port, li, 1); +err2: + of_node_put(ep0); + of_node_put(ep1); + of_node_put(codec0_port); + of_node_put(codec1_port); +err1: + of_node_put(ports); + of_node_put(port0); + of_node_put(port1); + + return ret; +} +EXPORT_SYMBOL_GPL(audio_graph2_link_c2c); + +static int graph_link(struct asoc_simple_priv *priv, + struct graph2_custom_hooks *hooks, + enum graph_type gtype, + struct device_node *lnk, + struct link_info *li) +{ + struct device *dev = simple_priv_to_dev(priv); + GRAPH2_CUSTOM func = NULL; + int ret = -EINVAL; + + switch (gtype) { + case GRAPH_NORMAL: + if (hooks && hooks->custom_normal) + func = hooks->custom_normal; + else + func = audio_graph2_link_normal; + break; + case GRAPH_DPCM: + if (hooks && hooks->custom_dpcm) + func = hooks->custom_dpcm; + else + func = audio_graph2_link_dpcm; + break; + case GRAPH_C2C: + if (hooks && hooks->custom_c2c) + func = hooks->custom_c2c; + else + func = audio_graph2_link_c2c; + break; + default: + break; + } + + if (!func) { + dev_err(dev, "non supported gtype (%d)\n", gtype); + goto err; + } + + ret = func(priv, lnk, li); + if (ret < 0) + goto err; + + li->link++; +err: + return ret; +} + +static int graph_counter(struct device_node *lnk) +{ + /* + * Multi CPU / Codec + * + * multi { + * ports { + * => lnk: port@0 { ... }; + * port@1 { ... }; + * port@2 { ... }; + * ... + * }; + * }; + * + * ignore first lnk part + */ + if (graph_lnk_is_multi(lnk)) + return of_graph_get_endpoint_count(of_get_parent(lnk)) - 1; + /* + * Single CPU / Codec + */ + else + return 1; +} + +static int graph_count_normal(struct asoc_simple_priv *priv, + struct device_node *lnk, + struct link_info *li) +{ + struct device_node *cpu_port = lnk; + struct device_node *cpu_ep = port_to_endpoint(cpu_port); + struct device_node *codec_port = of_graph_get_remote_port(cpu_ep); + + /* + * CPU { + * => lnk: port { endpoint { .. }; }; + * }; + */ + li->num[li->link].cpus = + li->num[li->link].platforms = graph_counter(cpu_port); + li->num[li->link].codecs = graph_counter(codec_port); + + of_node_put(cpu_ep); + of_node_put(codec_port); + + return 0; +} + +static int graph_count_dpcm(struct asoc_simple_priv *priv, + struct device_node *lnk, + struct link_info *li) +{ + struct device_node *ep = port_to_endpoint(lnk); + struct device_node *rport = of_graph_get_remote_port(ep); + + /* + * dpcm { + * // Front-End + * ports@0 { + * => lnk: port@0 { endpoint { ... }; }; + * ... + * }; + * // Back-End + * ports@1 { + * => lnk: port@0 { endpoint { ... }; }; + * ... + * }; + * }; + */ + + if (asoc_graph_is_ports0(lnk)) { + li->num[li->link].cpus = graph_counter(rport); /* FE */ + li->num[li->link].platforms = graph_counter(rport); + } else { + li->num[li->link].codecs = graph_counter(rport); /* BE */ + } + + of_node_put(ep); + of_node_put(rport); + + return 0; +} + +static int graph_count_c2c(struct asoc_simple_priv *priv, + struct device_node *lnk, + struct link_info *li) +{ + struct device_node *ports = of_get_parent(lnk); + struct device_node *port0 = lnk; + struct device_node *port1 = of_get_next_child(ports, lnk); + struct device_node *ep0 = port_to_endpoint(port0); + struct device_node *ep1 = port_to_endpoint(port1); + struct device_node *codec0 = of_graph_get_remote_port(ep0); + struct device_node *codec1 = of_graph_get_remote_port(ep1); + + of_node_get(lnk); + + /* + * codec2codec { + * ports { + * => lnk: port@0 { endpoint { ... }; }; + * port@1 { endpoint { ... }; }; + * }; + * }; + */ + li->num[li->link].cpus = + li->num[li->link].platforms = graph_counter(codec0); + li->num[li->link].codecs = graph_counter(codec1); + li->num[li->link].c2c = 1; + + of_node_put(ports); + of_node_put(port1); + of_node_put(ep0); + of_node_put(ep1); + of_node_put(codec0); + of_node_put(codec1); + + return 0; +} + +static int graph_count(struct asoc_simple_priv *priv, + struct graph2_custom_hooks *hooks, + enum graph_type gtype, + struct device_node *lnk, + struct link_info *li) +{ + struct device *dev = simple_priv_to_dev(priv); + GRAPH2_CUSTOM func = NULL; + int ret = -EINVAL; + + if (li->link >= SNDRV_MAX_LINKS) { + dev_err(dev, "too many links\n"); + return ret; + } + + switch (gtype) { + case GRAPH_NORMAL: + func = graph_count_normal; + break; + case GRAPH_DPCM: + func = graph_count_dpcm; + break; + case GRAPH_C2C: + func = graph_count_c2c; + break; + default: + break; + } + + if (!func) { + dev_err(dev, "non supported gtype (%d)\n", gtype); + goto err; + } + + ret = func(priv, lnk, li); + if (ret < 0) + goto err; + + li->link++; +err: + return ret; +} + +static int graph_for_each_link(struct asoc_simple_priv *priv, + struct graph2_custom_hooks *hooks, + struct link_info *li, + int (*func)(struct asoc_simple_priv *priv, + struct graph2_custom_hooks *hooks, + enum graph_type gtype, + struct device_node *lnk, + struct link_info *li)) +{ + struct of_phandle_iterator it; + struct device *dev = simple_priv_to_dev(priv); + struct device_node *node = dev->of_node; + struct device_node *lnk; + enum graph_type gtype; + int rc, ret; + + /* loop for all listed CPU port */ + of_for_each_phandle(&it, rc, node, "links", NULL, 0) { + lnk = it.node; + + gtype = graph_get_type(priv, lnk); + + ret = func(priv, hooks, gtype, lnk, li); + if (ret < 0) + return ret; + } + + return 0; +} + +int audio_graph2_parse_of(struct asoc_simple_priv *priv, struct device *dev, + struct graph2_custom_hooks *hooks) +{ + struct snd_soc_card *card = simple_priv_to_card(priv); + struct link_info *li; + int ret; + + dev_warn(dev, "Audio Graph Card2 is still under Experimental stage\n"); + + li = devm_kzalloc(dev, sizeof(*li), GFP_KERNEL); + if (!li) + return -ENOMEM; + + card->probe = asoc_graph_card_probe; + card->owner = THIS_MODULE; + card->dev = dev; + + if ((hooks) && (hooks)->hook_pre) { + ret = (hooks)->hook_pre(priv); + if (ret < 0) + goto err; + } + + ret = graph_for_each_link(priv, hooks, li, graph_count); + if (!li->link) + ret = -EINVAL; + if (ret < 0) + goto err; + + ret = asoc_simple_init_priv(priv, li); + if (ret < 0) + goto err; + + priv->pa_gpio = devm_gpiod_get_optional(dev, "pa", GPIOD_OUT_LOW); + if (IS_ERR(priv->pa_gpio)) { + ret = PTR_ERR(priv->pa_gpio); + dev_err(dev, "failed to get amplifier gpio: %d\n", ret); + goto err; + } + + ret = asoc_simple_parse_widgets(card, NULL); + if (ret < 0) + goto err; + + ret = asoc_simple_parse_routing(card, NULL); + if (ret < 0) + goto err; + + memset(li, 0, sizeof(*li)); + ret = graph_for_each_link(priv, hooks, li, graph_link); + if (ret < 0) + goto err; + + ret = asoc_simple_parse_card_name(card, NULL); + if (ret < 0) + goto err; + + snd_soc_card_set_drvdata(card, priv); + + if ((hooks) && (hooks)->hook_post) { + ret = (hooks)->hook_post(priv); + if (ret < 0) + goto err; + } + + asoc_simple_debug_info(priv); + + ret = devm_snd_soc_register_card(dev, card); +err: + devm_kfree(dev, li); + + if ((ret < 0) && (ret != -EPROBE_DEFER)) + dev_err(dev, "parse error %d\n", ret); + + return ret; +} +EXPORT_SYMBOL_GPL(audio_graph2_parse_of); + +static int graph_probe(struct platform_device *pdev) +{ + struct asoc_simple_priv *priv; + struct device *dev = &pdev->dev; + + /* Allocate the private data and the DAI link array */ + priv = devm_kzalloc(dev, sizeof(*priv), GFP_KERNEL); + if (!priv) + return -ENOMEM; + + return audio_graph2_parse_of(priv, dev, NULL); +} + +static const struct of_device_id graph_of_match[] = { + { .compatible = "audio-graph-card2", }, + {}, +}; +MODULE_DEVICE_TABLE(of, graph_of_match); + +static struct platform_driver graph_card = { + .driver = { + .name = "asoc-audio-graph-card2", + .pm = &snd_soc_pm_ops, + .of_match_table = graph_of_match, + }, + .probe = graph_probe, + .remove = asoc_simple_remove, +}; +module_platform_driver(graph_card); + +MODULE_ALIAS("platform:asoc-audio-graph-card2"); +MODULE_LICENSE("GPL v2"); +MODULE_DESCRIPTION("ASoC Audio Graph Card2"); +MODULE_AUTHOR("Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>"); diff --git a/sound/soc/generic/simple-card-utils.c b/sound/soc/generic/simple-card-utils.c index 10c63b73900c..850e968677f1 100644 --- a/sound/soc/generic/simple-card-utils.c +++ b/sound/soc/generic/simple-card-utils.c @@ -355,9 +355,9 @@ static int asoc_simple_init_dai_link_params(struct snd_soc_pcm_runtime *rtd, struct snd_pcm_hardware hw; int i, ret, stream; - /* Only codecs should have non_legacy_dai_naming set. */ + /* Only Codecs */ for_each_rtd_components(rtd, i, component) { - if (!component->driver->non_legacy_dai_naming) + if (!snd_soc_component_is_codec(component)) return 0; } @@ -619,7 +619,8 @@ int asoc_simple_init_priv(struct asoc_simple_priv *priv, struct asoc_simple_dai *dais; struct snd_soc_dai_link_component *dlcs; struct snd_soc_codec_conf *cconf = NULL; - int i, dai_num = 0, dlc_num = 0, cnf_num = 0; + struct snd_soc_pcm_stream *c2c_conf = NULL; + int i, dai_num = 0, dlc_num = 0, cnf_num = 0, c2c_num = 0; dai_props = devm_kcalloc(dev, li->link, sizeof(*dai_props), GFP_KERNEL); dai_link = devm_kcalloc(dev, li->link, sizeof(*dai_link), GFP_KERNEL); @@ -638,6 +639,8 @@ int asoc_simple_init_priv(struct asoc_simple_priv *priv, if (!li->num[i].cpus) cnf_num += li->num[i].codecs; + + c2c_num += li->num[i].c2c; } dais = devm_kcalloc(dev, dai_num, sizeof(*dais), GFP_KERNEL); @@ -651,6 +654,12 @@ int asoc_simple_init_priv(struct asoc_simple_priv *priv, return -ENOMEM; } + if (c2c_num) { + c2c_conf = devm_kcalloc(dev, c2c_num, sizeof(*c2c_conf), GFP_KERNEL); + if (!c2c_conf) + return -ENOMEM; + } + dev_dbg(dev, "link %d, dais %d, ccnf %d\n", li->link, dai_num, cnf_num); @@ -664,6 +673,7 @@ int asoc_simple_init_priv(struct asoc_simple_priv *priv, priv->dais = dais; priv->dlcs = dlcs; priv->codec_conf = cconf; + priv->c2c_conf = c2c_conf; card->dai_link = priv->dai_link; card->num_links = li->link; @@ -681,6 +691,12 @@ int asoc_simple_init_priv(struct asoc_simple_priv *priv, dlcs += li->num[i].cpus; dais += li->num[i].cpus; + + if (li->num[i].c2c) { + /* Codec2Codec */ + dai_props[i].c2c_conf = c2c_conf; + c2c_conf += li->num[i].c2c; + } } else { /* DPCM Be's CPU = dummy */ dai_props[i].cpus = @@ -759,6 +775,34 @@ int asoc_graph_card_probe(struct snd_soc_card *card) } EXPORT_SYMBOL_GPL(asoc_graph_card_probe); +int asoc_graph_is_ports0(struct device_node *np) +{ + struct device_node *port, *ports, *ports0, *top; + int ret; + + /* np is "endpoint" or "port" */ + if (of_node_name_eq(np, "endpoint")) { + port = of_get_parent(np); + } else { + port = np; + of_node_get(port); + } + + ports = of_get_parent(port); + top = of_get_parent(ports); + ports0 = of_get_child_by_name(top, "ports"); + + ret = ports0 == ports; + + of_node_put(port); + of_node_put(ports); + of_node_put(ports0); + of_node_put(top); + + return ret; +} +EXPORT_SYMBOL_GPL(asoc_graph_is_ports0); + /* Module information */ MODULE_AUTHOR("Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>"); MODULE_DESCRIPTION("ALSA SoC Simple Card Utils"); diff --git a/sound/soc/generic/test-component.c b/sound/soc/generic/test-component.c new file mode 100644 index 000000000000..85385a771d80 --- /dev/null +++ b/sound/soc/generic/test-component.c @@ -0,0 +1,659 @@ +// SPDX-License-Identifier: GPL-2.0 +// +// test-component.c -- Test Audio Component driver +// +// Copyright (C) 2020 Renesas Electronics Corporation +// Kuninori Morimoto <kuninori.morimoto.gx@renesas.com> + +#include <linux/slab.h> +#include <linux/of_device.h> +#include <linux/of_graph.h> +#include <linux/module.h> +#include <linux/workqueue.h> +#include <sound/pcm.h> +#include <sound/soc.h> + +#define TEST_NAME_LEN 32 +struct test_dai_name { + char name[TEST_NAME_LEN]; + char name_playback[TEST_NAME_LEN]; + char name_capture[TEST_NAME_LEN]; +}; + +struct test_priv { + struct device *dev; + struct snd_pcm_substream *substream; + struct delayed_work dwork; + struct snd_soc_component_driver *component_driver; + struct snd_soc_dai_driver *dai_driver; + struct test_dai_name *name; +}; + +struct test_adata { + u32 is_cpu:1; + u32 cmp_v:1; + u32 dai_v:1; +}; + +#define mile_stone(d) dev_info((d)->dev, "%s() : %s", __func__, (d)->driver->name) +#define mile_stone_x(dev) dev_info(dev, "%s()", __func__) + +static int test_dai_set_sysclk(struct snd_soc_dai *dai, + int clk_id, unsigned int freq, int dir) +{ + mile_stone(dai); + + return 0; +} + +static int test_dai_set_pll(struct snd_soc_dai *dai, int pll_id, int source, + unsigned int freq_in, unsigned int freq_out) +{ + mile_stone(dai); + + return 0; +} + +static int test_dai_set_clkdiv(struct snd_soc_dai *dai, int div_id, int div) +{ + mile_stone(dai); + + return 0; +} + +static int test_dai_set_fmt(struct snd_soc_dai *dai, unsigned int fmt) +{ + unsigned int format = fmt & SND_SOC_DAIFMT_FORMAT_MASK; + unsigned int clock = fmt & SND_SOC_DAIFMT_CLOCK_MASK; + unsigned int inv = fmt & SND_SOC_DAIFMT_INV_MASK; + unsigned int master = fmt & SND_SOC_DAIFMT_MASTER_MASK; + char *str; + + dev_info(dai->dev, "name : %s", dai->name); + + str = "unknown"; + switch (format) { + case SND_SOC_DAIFMT_I2S: + str = "i2s"; + break; + case SND_SOC_DAIFMT_RIGHT_J: + str = "right_j"; + break; + case SND_SOC_DAIFMT_LEFT_J: + str = "left_j"; + break; + case SND_SOC_DAIFMT_DSP_A: + str = "dsp_a"; + break; + case SND_SOC_DAIFMT_DSP_B: + str = "dsp_b"; + break; + case SND_SOC_DAIFMT_AC97: + str = "ac97"; + break; + case SND_SOC_DAIFMT_PDM: + str = "pdm"; + break; + } + dev_info(dai->dev, "format : %s", str); + + if (clock == SND_SOC_DAIFMT_CONT) + str = "continuous"; + else + str = "gated"; + dev_info(dai->dev, "clock : %s", str); + + str = "unknown"; + switch (master) { + case SND_SOC_DAIFMT_CBP_CFP: + str = "clk provider, frame provider"; + break; + case SND_SOC_DAIFMT_CBC_CFP: + str = "clk consumer, frame provider"; + break; + case SND_SOC_DAIFMT_CBP_CFC: + str = "clk provider, frame consumer"; + break; + case SND_SOC_DAIFMT_CBC_CFC: + str = "clk consumer, frame consumer"; + break; + } + dev_info(dai->dev, "clock : codec is %s", str); + + str = "unknown"; + switch (inv) { + case SND_SOC_DAIFMT_NB_NF: + str = "normal bit, normal frame"; + break; + case SND_SOC_DAIFMT_NB_IF: + str = "normal bit, invert frame"; + break; + case SND_SOC_DAIFMT_IB_NF: + str = "invert bit, normal frame"; + break; + case SND_SOC_DAIFMT_IB_IF: + str = "invert bit, invert frame"; + break; + } + dev_info(dai->dev, "signal : %s", str); + + return 0; +} + +static int test_dai_mute_stream(struct snd_soc_dai *dai, int mute, int stream) +{ + mile_stone(dai); + + return 0; +} + +static int test_dai_startup(struct snd_pcm_substream *substream, struct snd_soc_dai *dai) +{ + mile_stone(dai); + + return 0; +} + +static void test_dai_shutdown(struct snd_pcm_substream *substream, struct snd_soc_dai *dai) +{ + mile_stone(dai); +} + +static int test_dai_hw_params(struct snd_pcm_substream *substream, + struct snd_pcm_hw_params *params, struct snd_soc_dai *dai) +{ + mile_stone(dai); + + return 0; +} + +static int test_dai_hw_free(struct snd_pcm_substream *substream, struct snd_soc_dai *dai) +{ + mile_stone(dai); + + return 0; +} + +static int test_dai_trigger(struct snd_pcm_substream *substream, int cmd, struct snd_soc_dai *dai) +{ + mile_stone(dai); + + return 0; +} + +static int test_dai_bespoke_trigger(struct snd_pcm_substream *substream, + int cmd, struct snd_soc_dai *dai) +{ + mile_stone(dai); + + return 0; +} + +static u64 test_dai_formats = + /* + * Select below from Sound Card, not auto + * SND_SOC_POSSIBLE_DAIFMT_CBP_CFP + * SND_SOC_POSSIBLE_DAIFMT_CBC_CFP + * SND_SOC_POSSIBLE_DAIFMT_CBP_CFC + * SND_SOC_POSSIBLE_DAIFMT_CBC_CFC + */ + SND_SOC_POSSIBLE_DAIFMT_I2S | + SND_SOC_POSSIBLE_DAIFMT_RIGHT_J | + SND_SOC_POSSIBLE_DAIFMT_LEFT_J | + SND_SOC_POSSIBLE_DAIFMT_DSP_A | + SND_SOC_POSSIBLE_DAIFMT_DSP_B | + SND_SOC_POSSIBLE_DAIFMT_AC97 | + SND_SOC_POSSIBLE_DAIFMT_PDM | + SND_SOC_POSSIBLE_DAIFMT_NB_NF | + SND_SOC_POSSIBLE_DAIFMT_NB_IF | + SND_SOC_POSSIBLE_DAIFMT_IB_NF | + SND_SOC_POSSIBLE_DAIFMT_IB_IF; + +static const struct snd_soc_dai_ops test_ops = { + .set_fmt = test_dai_set_fmt, + .startup = test_dai_startup, + .shutdown = test_dai_shutdown, + .auto_selectable_formats = &test_dai_formats, + .num_auto_selectable_formats = 1, +}; + +static const struct snd_soc_dai_ops test_verbose_ops = { + .set_sysclk = test_dai_set_sysclk, + .set_pll = test_dai_set_pll, + .set_clkdiv = test_dai_set_clkdiv, + .set_fmt = test_dai_set_fmt, + .mute_stream = test_dai_mute_stream, + .startup = test_dai_startup, + .shutdown = test_dai_shutdown, + .hw_params = test_dai_hw_params, + .hw_free = test_dai_hw_free, + .trigger = test_dai_trigger, + .bespoke_trigger = test_dai_bespoke_trigger, + .auto_selectable_formats = &test_dai_formats, + .num_auto_selectable_formats = 1, +}; + +#define STUB_RATES SNDRV_PCM_RATE_8000_384000 +#define STUB_FORMATS (SNDRV_PCM_FMTBIT_S8 | \ + SNDRV_PCM_FMTBIT_U8 | \ + SNDRV_PCM_FMTBIT_S16_LE | \ + SNDRV_PCM_FMTBIT_U16_LE | \ + SNDRV_PCM_FMTBIT_S24_LE | \ + SNDRV_PCM_FMTBIT_S24_3LE | \ + SNDRV_PCM_FMTBIT_U24_LE | \ + SNDRV_PCM_FMTBIT_S32_LE | \ + SNDRV_PCM_FMTBIT_U32_LE) + +static int test_component_probe(struct snd_soc_component *component) +{ + mile_stone(component); + + return 0; +} + +static void test_component_remove(struct snd_soc_component *component) +{ + mile_stone(component); +} + +static int test_component_suspend(struct snd_soc_component *component) +{ + mile_stone(component); + + return 0; +} + +static int test_component_resume(struct snd_soc_component *component) +{ + mile_stone(component); + + return 0; +} + +#define PREALLOC_BUFFER (32 * 1024) +static int test_component_pcm_construct(struct snd_soc_component *component, + struct snd_soc_pcm_runtime *rtd) +{ + mile_stone(component); + + snd_pcm_set_managed_buffer_all( + rtd->pcm, + SNDRV_DMA_TYPE_DEV, + rtd->card->snd_card->dev, + PREALLOC_BUFFER, PREALLOC_BUFFER); + + return 0; +} + +static void test_component_pcm_destruct(struct snd_soc_component *component, + struct snd_pcm *pcm) +{ + mile_stone(component); +} + +static int test_component_set_sysclk(struct snd_soc_component *component, + int clk_id, int source, unsigned int freq, int dir) +{ + mile_stone(component); + + return 0; +} + +static int test_component_set_pll(struct snd_soc_component *component, int pll_id, + int source, unsigned int freq_in, unsigned int freq_out) +{ + mile_stone(component); + + return 0; +} + +static int test_component_set_jack(struct snd_soc_component *component, + struct snd_soc_jack *jack, void *data) +{ + mile_stone(component); + + return 0; +} + +static void test_component_seq_notifier(struct snd_soc_component *component, + enum snd_soc_dapm_type type, int subseq) +{ + mile_stone(component); +} + +static int test_component_stream_event(struct snd_soc_component *component, int event) +{ + mile_stone(component); + + return 0; +} + +static int test_component_set_bias_level(struct snd_soc_component *component, + enum snd_soc_bias_level level) +{ + mile_stone(component); + + return 0; +} + +static const struct snd_pcm_hardware test_component_hardware = { + /* Random values to keep userspace happy when checking constraints */ + .info = SNDRV_PCM_INFO_INTERLEAVED | + SNDRV_PCM_INFO_MMAP | + SNDRV_PCM_INFO_MMAP_VALID, + .buffer_bytes_max = 32 * 1024, + .period_bytes_min = 32, + .period_bytes_max = 8192, + .periods_min = 1, + .periods_max = 128, + .fifo_size = 256, +}; + +static int test_component_open(struct snd_soc_component *component, + struct snd_pcm_substream *substream) +{ + struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream); + + mile_stone(component); + + /* BE's dont need dummy params */ + if (!rtd->dai_link->no_pcm) + snd_soc_set_runtime_hwparams(substream, &test_component_hardware); + + return 0; +} + +static int test_component_close(struct snd_soc_component *component, + struct snd_pcm_substream *substream) +{ + mile_stone(component); + + return 0; +} + +static int test_component_ioctl(struct snd_soc_component *component, + struct snd_pcm_substream *substream, + unsigned int cmd, void *arg) +{ + mile_stone(component); + + return 0; +} + +static int test_component_hw_params(struct snd_soc_component *component, + struct snd_pcm_substream *substream, + struct snd_pcm_hw_params *params) +{ + mile_stone(component); + + return 0; +} + +static int test_component_hw_free(struct snd_soc_component *component, + struct snd_pcm_substream *substream) +{ + mile_stone(component); + + return 0; +} + +static int test_component_prepare(struct snd_soc_component *component, + struct snd_pcm_substream *substream) +{ + mile_stone(component); + + return 0; +} + +static void test_component_timer_stop(struct test_priv *priv) +{ + cancel_delayed_work(&priv->dwork); +} + +static void test_component_timer_start(struct test_priv *priv) +{ + schedule_delayed_work(&priv->dwork, msecs_to_jiffies(10)); +} + +static void test_component_dwork(struct work_struct *work) +{ + struct test_priv *priv = container_of(work, struct test_priv, dwork.work); + + if (priv->substream) + snd_pcm_period_elapsed(priv->substream); + + test_component_timer_start(priv); +} + +static int test_component_trigger(struct snd_soc_component *component, + struct snd_pcm_substream *substream, int cmd) +{ + struct test_priv *priv = dev_get_drvdata(component->dev); + + mile_stone(component); + + switch (cmd) { + case SNDRV_PCM_TRIGGER_START: + test_component_timer_start(priv); + priv->substream = substream; /* set substream later */ + break; + case SNDRV_PCM_TRIGGER_STOP: + priv->substream = NULL; + test_component_timer_stop(priv); + } + + return 0; +} + +static int test_component_sync_stop(struct snd_soc_component *component, + struct snd_pcm_substream *substream) +{ + mile_stone(component); + + return 0; +} + +static snd_pcm_uframes_t test_component_pointer(struct snd_soc_component *component, + struct snd_pcm_substream *substream) +{ + struct snd_pcm_runtime *runtime = substream->runtime; + static int pointer; + + if (!runtime) + return 0; + + pointer += 10; + if (pointer > PREALLOC_BUFFER) + pointer = 0; + + /* mile_stone(component); */ + + return bytes_to_frames(runtime, pointer); +} + +static int test_component_get_time_info(struct snd_soc_component *component, + struct snd_pcm_substream *substream, + struct timespec64 *system_ts, + struct timespec64 *audio_ts, + struct snd_pcm_audio_tstamp_config *audio_tstamp_config, + struct snd_pcm_audio_tstamp_report *audio_tstamp_report) +{ + mile_stone(component); + + return 0; +} + +static int test_component_be_hw_params_fixup(struct snd_soc_pcm_runtime *rtd, + struct snd_pcm_hw_params *params) +{ + mile_stone_x(rtd->dev); + + return 0; +} + +/* CPU */ +static const struct test_adata test_cpu = { .is_cpu = 1, .cmp_v = 0, .dai_v = 0, }; +static const struct test_adata test_cpu_vv = { .is_cpu = 1, .cmp_v = 1, .dai_v = 1, }; +static const struct test_adata test_cpu_nv = { .is_cpu = 1, .cmp_v = 0, .dai_v = 1, }; +static const struct test_adata test_cpu_vn = { .is_cpu = 1, .cmp_v = 1, .dai_v = 0, }; +/* Codec */ +static const struct test_adata test_codec = { .is_cpu = 0, .cmp_v = 0, .dai_v = 0, }; +static const struct test_adata test_codec_vv = { .is_cpu = 0, .cmp_v = 1, .dai_v = 1, }; +static const struct test_adata test_codec_nv = { .is_cpu = 0, .cmp_v = 0, .dai_v = 1, }; +static const struct test_adata test_codec_vn = { .is_cpu = 0, .cmp_v = 1, .dai_v = 0, }; + +static const struct of_device_id test_of_match[] = { + { .compatible = "test-cpu", .data = (void *)&test_cpu, }, + { .compatible = "test-cpu-verbose", .data = (void *)&test_cpu_vv, }, + { .compatible = "test-cpu-verbose-dai", .data = (void *)&test_cpu_nv, }, + { .compatible = "test-cpu-verbose-component", .data = (void *)&test_cpu_vn, }, + { .compatible = "test-codec", .data = (void *)&test_codec, }, + { .compatible = "test-codec-verbose", .data = (void *)&test_codec_vv, }, + { .compatible = "test-codec-verbose-dai", .data = (void *)&test_codec_nv, }, + { .compatible = "test-codec-verbose-component", .data = (void *)&test_codec_vn, }, + {}, +}; +MODULE_DEVICE_TABLE(of, test_of_match); + +static const struct snd_soc_dapm_widget widgets[] = { + /* + * FIXME + * + * Just IN/OUT is OK for now, + * but need to be updated ? + */ + SND_SOC_DAPM_INPUT("IN"), + SND_SOC_DAPM_OUTPUT("OUT"), +}; + +static int test_driver_probe(struct platform_device *pdev) +{ + struct device *dev = &pdev->dev; + struct device_node *node = dev->of_node; + struct device_node *ep; + const struct of_device_id *of_id = of_match_device(test_of_match, &pdev->dev); + const struct test_adata *adata = of_id->data; + struct snd_soc_component_driver *cdriv; + struct snd_soc_dai_driver *ddriv; + struct test_dai_name *dname; + struct test_priv *priv; + int num, ret, i; + + num = of_graph_get_endpoint_count(node); + if (!num) { + dev_err(dev, "no port exits\n"); + return -EINVAL; + } + + priv = devm_kzalloc(dev, sizeof(*priv), GFP_KERNEL); + cdriv = devm_kzalloc(dev, sizeof(*cdriv), GFP_KERNEL); + ddriv = devm_kzalloc(dev, sizeof(*ddriv) * num, GFP_KERNEL); + dname = devm_kzalloc(dev, sizeof(*dname) * num, GFP_KERNEL); + if (!priv || !cdriv || !ddriv || !dname) + return -EINVAL; + + priv->dev = dev; + priv->component_driver = cdriv; + priv->dai_driver = ddriv; + priv->name = dname; + + INIT_DELAYED_WORK(&priv->dwork, test_component_dwork); + dev_set_drvdata(dev, priv); + + if (adata->is_cpu) { + cdriv->name = "test_cpu"; + cdriv->pcm_construct = test_component_pcm_construct; + cdriv->pointer = test_component_pointer; + cdriv->trigger = test_component_trigger; + } else { + cdriv->name = "test_codec"; + cdriv->idle_bias_on = 1; + cdriv->endianness = 1; + cdriv->non_legacy_dai_naming = 1; + } + + cdriv->open = test_component_open; + cdriv->dapm_widgets = widgets; + cdriv->num_dapm_widgets = ARRAY_SIZE(widgets); + + if (adata->cmp_v) { + cdriv->probe = test_component_probe; + cdriv->remove = test_component_remove; + cdriv->suspend = test_component_suspend; + cdriv->resume = test_component_resume; + cdriv->set_sysclk = test_component_set_sysclk; + cdriv->set_pll = test_component_set_pll; + cdriv->set_jack = test_component_set_jack; + cdriv->seq_notifier = test_component_seq_notifier; + cdriv->stream_event = test_component_stream_event; + cdriv->set_bias_level = test_component_set_bias_level; + cdriv->close = test_component_close; + cdriv->ioctl = test_component_ioctl; + cdriv->hw_params = test_component_hw_params; + cdriv->hw_free = test_component_hw_free; + cdriv->prepare = test_component_prepare; + cdriv->sync_stop = test_component_sync_stop; + cdriv->get_time_info = test_component_get_time_info; + cdriv->be_hw_params_fixup = test_component_be_hw_params_fixup; + + if (adata->is_cpu) + cdriv->pcm_destruct = test_component_pcm_destruct; + } + + i = 0; + for_each_endpoint_of_node(node, ep) { + snprintf(dname[i].name, TEST_NAME_LEN, "%s.%d", node->name, i); + ddriv[i].name = dname[i].name; + + snprintf(dname[i].name_playback, TEST_NAME_LEN, "DAI%d Playback", i); + ddriv[i].playback.stream_name = dname[i].name_playback; + ddriv[i].playback.channels_min = 1; + ddriv[i].playback.channels_max = 384; + ddriv[i].playback.rates = STUB_RATES; + ddriv[i].playback.formats = STUB_FORMATS; + + snprintf(dname[i].name_capture, TEST_NAME_LEN, "DAI%d Capture", i); + ddriv[i].capture.stream_name = dname[i].name_capture; + ddriv[i].capture.channels_min = 1; + ddriv[i].capture.channels_max = 384; + ddriv[i].capture.rates = STUB_RATES; + ddriv[i].capture.formats = STUB_FORMATS; + + if (adata->dai_v) + ddriv[i].ops = &test_verbose_ops; + else + ddriv[i].ops = &test_ops; + + i++; + } + + ret = devm_snd_soc_register_component(dev, cdriv, ddriv, num); + if (ret < 0) + return ret; + + mile_stone_x(dev); + + return 0; +} + +static int test_driver_remove(struct platform_device *pdev) +{ + mile_stone_x(&pdev->dev); + + return 0; +} + +static struct platform_driver test_driver = { + .driver = { + .name = "test-component", + .of_match_table = test_of_match, + }, + .probe = test_driver_probe, + .remove = test_driver_remove, +}; +module_platform_driver(test_driver); + +MODULE_ALIAS("platform:asoc-test-component"); +MODULE_AUTHOR("Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>"); +MODULE_DESCRIPTION("ASoC Test Component"); +MODULE_LICENSE("GPL v2"); |