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Fri, 9 Aug 2024 04:23:08 +0000 Message-ID: <87wmkq72ac.wl-kuninori.morimoto.gx@renesas.com> From: Kuninori Morimoto Subject: [PATCH v2 6/9] ASoC: audio-graph-card2: use new of_graph functions User-Agent: Wanderlust/2.15.9 Emacs/29.3 Mule/6.0 To: Daniel Vetter , David Airlie , Helge Deller , Jaroslav Kysela , Laurent Pinchart , Liam Girdwood , Maarten Lankhorst , Mark Brown , Mauro Carvalho Chehab , Maxime Ripard , Michal Simek , Rob Herring , Saravana Kannan , Takashi Iwai , Thomas Zimmermann , Tomi Valkeinen , devicetree@vger.kernel.org, dri-devel@lists.freedesktop.org, linux-arm-kernel@lists.infradead.org, linux-fbdev@vger.kernel.org, linux-media@vger.kernel.org, linux-omap@vger.kernel.org, linux-sound@vger.kernel.org In-Reply-To: <875xsa8gws.wl-kuninori.morimoto.gx@renesas.com> References: <875xsa8gws.wl-kuninori.morimoto.gx@renesas.com> Date: Fri, 9 Aug 2024 04:23:08 +0000 X-ClientProxiedBy: TYCP286CA0188.JPNP286.PROD.OUTLOOK.COM (2603:1096:400:382::17) To TYCPR01MB10914.jpnprd01.prod.outlook.com (2603:1096:400:3a9::11) MIME-Version: 1.0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: TYCPR01MB10914:EE_|TYCPR01MB6400:EE_ X-MS-Office365-Filtering-Correlation-Id: 1816faee-edc7-459c-276b-08dcb82af8d4 X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0; 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Use it. Signed-off-by: Kuninori Morimoto Acked-by: Mark Brown --- sound/soc/generic/audio-graph-card2.c | 111 ++++++++++++-------------- 1 file changed, 49 insertions(+), 62 deletions(-) diff --git a/sound/soc/generic/audio-graph-card2.c b/sound/soc/generic/audio-graph-card2.c index 56f7f946882e..e8ea201dbca3 100644 --- a/sound/soc/generic/audio-graph-card2.c +++ b/sound/soc/generic/audio-graph-card2.c @@ -234,8 +234,6 @@ enum graph_type { #define GRAPH_NODENAME_DPCM "dpcm" #define GRAPH_NODENAME_C2C "codec2codec" -#define port_to_endpoint(port) of_get_child_by_name(port, "endpoint") - #define ep_to_port(ep) of_get_parent(ep) static struct device_node *port_to_ports(struct device_node *port) { @@ -351,14 +349,9 @@ static struct device_node *graph_get_next_multi_ep(struct device_node **port) * port@1 { rep1 }; * }; */ - do { - *port = of_get_next_child(ports, *port); - if (!*port) - break; - } while (!of_node_name_eq(*port, "port")); - + *port = of_graph_get_next_port(ports, *port); if (*port) { - ep = port_to_endpoint(*port); + ep = of_graph_get_next_port_endpoint(*port, NULL); rep = of_graph_get_remote_endpoint(ep); } @@ -530,67 +523,70 @@ static int graph_parse_node_multi_nm(struct snd_soc_dai_link *dai_link, * }; * }; */ - 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(port_to_ports(mcpu_port), NULL); - struct device_node *mcpu_ep_top = port_to_endpoint(mcpu_port_top); + struct device_node *mcpu_ep_n; + struct device_node *mcpu_ep = of_graph_get_next_port_endpoint(mcpu_port, NULL); + struct device_node *mcpu_ports = port_to_ports(mcpu_port); + struct device_node *mcpu_port_top = of_graph_get_next_port(mcpu_ports, NULL); + struct device_node *mcpu_ep_top = of_graph_get_next_port_endpoint(mcpu_port_top, NULL); struct device_node *mcodec_ep_top = of_graph_get_remote_endpoint(mcpu_ep_top); struct device_node *mcodec_port_top = ep_to_port(mcodec_ep_top); struct device_node *mcodec_ports = port_to_ports(mcodec_port_top); int nm_max = max(dai_link->num_cpus, dai_link->num_codecs); - int ret = -EINVAL; + int ret = 0; - if (cpu_idx > dai_link->num_cpus) + if (cpu_idx > dai_link->num_cpus) { + ret = -EINVAL; goto mcpu_err; + } - while (1) { + for_each_of_graph_port_endpoint(mcpu_port, mcpu_ep_n) { struct device_node *mcodec_ep_n; struct device_node *mcodec_port_i; struct device_node *mcodec_port; int codec_idx; - if (*nm_idx > nm_max) - break; + /* ignore 1st ep which is for element */ + if (mcpu_ep_n == mcpu_ep) + continue; - mcpu_ep_n = of_get_next_child(mcpu_port, mcpu_ep_n); - if (!mcpu_ep_n) { - ret = 0; + if (*nm_idx > nm_max) break; - } mcodec_ep_n = of_graph_get_remote_endpoint(mcpu_ep_n); mcodec_port = ep_to_port(mcodec_ep_n); - if (mcodec_ports != port_to_ports(mcodec_port)) + if (mcodec_ports != port_to_ports(mcodec_port)) { + ret = -EINVAL; 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); + ret = -EINVAL; + for_each_of_graph_port(mcodec_ports, mcodec_port_i) { - if (!mcodec_port_i) - goto mcodec_err; + /* ignore 1st port which is for pair connection */ + if (mcodec_port_top == mcodec_port_i) + continue; - if (mcodec_port_i == mcodec_port) + if (codec_idx > dai_link->num_codecs) break; + if (mcodec_port_i == mcodec_port) { + dai_link->ch_maps[*nm_idx].cpu = cpu_idx; + dai_link->ch_maps[*nm_idx].codec = codec_idx; + + (*nm_idx)++; + ret = 0; + break; + } codec_idx++; } - - 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); + if (ret < 0) + break; } mcpu_err: of_node_put(mcpu_ep); @@ -674,7 +670,7 @@ static int graph_parse_node_single(struct simple_util_priv *priv, struct device_node *port, struct link_info *li, int is_cpu) { - struct device_node *ep = port_to_endpoint(port); + struct device_node *ep = of_graph_get_next_port_endpoint(port, NULL); int ret = __graph_parse_node(priv, gtype, ep, li, is_cpu, 0); of_node_put(ep); @@ -769,7 +765,7 @@ static void graph_link_init(struct simple_util_priv *priv, of_node_put(port_cpu); port_cpu = ep_to_port(ep_cpu); } else { - ep_cpu = port_to_endpoint(port_cpu); + ep_cpu = of_graph_get_next_port_endpoint(port_cpu, NULL); } ports_cpu = port_to_ports(port_cpu); @@ -779,7 +775,7 @@ static void graph_link_init(struct simple_util_priv *priv, of_node_put(port_cpu); port_codec = ep_to_port(ep_codec); } else { - ep_codec = port_to_endpoint(port_codec); + ep_codec = of_graph_get_next_port_endpoint(port_codec, NULL); } ports_codec = port_to_ports(port_codec); @@ -850,7 +846,7 @@ int audio_graph2_link_normal(struct simple_util_priv *priv, struct link_info *li) { struct device_node *cpu_port = lnk; - struct device_node *cpu_ep = port_to_endpoint(cpu_port); + struct device_node *cpu_ep = of_graph_get_next_port_endpoint(cpu_port, NULL); struct device_node *codec_port = of_graph_get_remote_port(cpu_ep); int ret; @@ -883,7 +879,7 @@ int audio_graph2_link_dpcm(struct simple_util_priv *priv, struct device_node *lnk, struct link_info *li) { - struct device_node *ep = port_to_endpoint(lnk); + struct device_node *ep = of_graph_get_next_port_endpoint(lnk, NULL); struct device_node *rep = of_graph_get_remote_endpoint(ep); struct device_node *cpu_port = NULL; struct device_node *codec_port = NULL; @@ -1009,7 +1005,7 @@ int audio_graph2_link_c2c(struct simple_util_priv *priv, of_node_get(lnk); port0 = lnk; ports = port_to_ports(port0); - port1 = of_get_next_child(ports, lnk); + port1 = of_graph_get_next_port(ports, port0); /* * Card2 can use original Codec2Codec settings if DT has. @@ -1039,8 +1035,8 @@ int audio_graph2_link_c2c(struct simple_util_priv *priv, dai_link->num_c2c_params = 1; } - ep0 = port_to_endpoint(port0); - ep1 = port_to_endpoint(port1); + ep0 = of_graph_get_next_port_endpoint(port0, NULL); + ep1 = of_graph_get_next_port_endpoint(port1, NULL); codec0_port = of_graph_get_remote_port(ep0); codec1_port = of_graph_get_remote_port(ep1); @@ -1141,21 +1137,12 @@ static int graph_counter(struct device_node *lnk) */ if (graph_lnk_is_multi(lnk)) { struct device_node *ports = port_to_ports(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; + return of_graph_get_port_count(ports) - 1; } /* * Single CPU / Codec @@ -1169,7 +1156,7 @@ static int graph_count_normal(struct simple_util_priv *priv, struct link_info *li) { struct device_node *cpu_port = lnk; - struct device_node *cpu_ep = port_to_endpoint(cpu_port); + struct device_node *cpu_ep = of_graph_get_next_port_endpoint(cpu_port, NULL); struct device_node *codec_port = of_graph_get_remote_port(cpu_ep); /* @@ -1197,7 +1184,7 @@ static int graph_count_dpcm(struct simple_util_priv *priv, struct device_node *lnk, struct link_info *li) { - struct device_node *ep = port_to_endpoint(lnk); + struct device_node *ep = of_graph_get_next_port_endpoint(lnk, NULL); struct device_node *rport = of_graph_get_remote_port(ep); /* @@ -1239,9 +1226,9 @@ static int graph_count_c2c(struct simple_util_priv *priv, { struct device_node *ports = port_to_ports(lnk); struct device_node *port0 = lnk; - struct device_node *port1 = of_get_next_child(ports, of_node_get(lnk)); - struct device_node *ep0 = port_to_endpoint(port0); - struct device_node *ep1 = port_to_endpoint(port1); + struct device_node *port1 = of_graph_get_next_port(ports, of_node_get(port0)); + struct device_node *ep0 = of_graph_get_next_port_endpoint(port0, NULL); + struct device_node *ep1 = of_graph_get_next_port_endpoint(port1, NULL); struct device_node *codec0 = of_graph_get_remote_port(ep0); struct device_node *codec1 = of_graph_get_remote_port(ep1);