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MSIOF-I2S will use Audio Graph Card/Card2 driver which uses Of-Graph in DT. MSIOF-SPI/I2S are using same DT compatible properties. MSIOF-I2S uses Of-Graph for Audio-Graph-Card/Card2, MSIOF-SPI doesn't use Of-Graph. Adds schema for MSIOF-I2S (= Sound). Signed-off-by: Kuninori Morimoto --- .../bindings/spi/renesas,sh-msiof.yaml | 43 ++++++++++++------- 1 file changed, 27 insertions(+), 16 deletions(-) diff --git a/Documentation/devicetree/bindings/spi/renesas,sh-msiof.yaml b/Documentation/devicetree/bindings/spi/renesas,sh-msiof.yaml index 49649fc3f95a..880bd854d196 100644 --- a/Documentation/devicetree/bindings/spi/renesas,sh-msiof.yaml +++ b/Documentation/devicetree/bindings/spi/renesas,sh-msiof.yaml @@ -4,14 +4,11 @@ $id: http://devicetree.org/schemas/spi/renesas,sh-msiof.yaml# $schema: http://devicetree.org/meta-schemas/core.yaml# -title: Renesas MSIOF SPI controller +title: Renesas MSIOF SPI / I2S controller maintainers: - Geert Uytterhoeven -allOf: - - $ref: spi-controller.yaml# - properties: compatible: oneOf: @@ -146,24 +143,38 @@ properties: $ref: /schemas/types.yaml#/definitions/uint32 default: 64 + # for MSIOF-I2S + port: + $ref: ../sound/audio-graph-port.yaml# + unevaluatedProperties: false + required: - compatible - reg - interrupts - clocks - power-domains - - '#address-cells' - - '#size-cells' - -if: - not: - properties: - compatible: - contains: - const: renesas,sh-mobile-msiof -then: - required: - - resets + +allOf: + # additional "required"" + - if: + not: + properties: + compatible: + contains: + const: renesas,sh-mobile-msiof + then: + required: + - resets + + # "MSIOF-SPI" specific + - if: + properties: + $nodename: + pattern: '^spi@' + then: + allOf: + - $ref: spi-controller.yaml# unevaluatedProperties: false From patchwork Tue Apr 15 01:33:57 2025 Content-Type: text/plain; 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Create struct device *dev and use it. Signed-off-by: Kuninori Morimoto --- drivers/spi/spi-sh-msiof.c | 36 +++++++++++++++++------------------- 1 file changed, 17 insertions(+), 19 deletions(-) diff --git a/drivers/spi/spi-sh-msiof.c b/drivers/spi/spi-sh-msiof.c index 8a98c313548e..581cec19cb77 100644 --- a/drivers/spi/spi-sh-msiof.c +++ b/drivers/spi/spi-sh-msiof.c @@ -1276,20 +1276,21 @@ static int sh_msiof_spi_probe(struct platform_device *pdev) const struct sh_msiof_chipdata *chipdata; struct sh_msiof_spi_info *info; struct sh_msiof_spi_priv *p; + struct device *dev = &pdev->dev; unsigned long clksrc; int i; int ret; - chipdata = of_device_get_match_data(&pdev->dev); + chipdata = of_device_get_match_data(dev); if (chipdata) { - info = sh_msiof_spi_parse_dt(&pdev->dev); + info = sh_msiof_spi_parse_dt(dev); } else { chipdata = (const void *)pdev->id_entry->driver_data; - info = dev_get_platdata(&pdev->dev); + info = dev_get_platdata(dev); } if (!info) { - dev_err(&pdev->dev, "failed to obtain device info\n"); + dev_err(dev, "failed to obtain device info\n"); return -ENXIO; } @@ -1297,11 +1298,9 @@ static int sh_msiof_spi_probe(struct platform_device *pdev) info->dtdl = 200; if (info->mode == MSIOF_SPI_TARGET) - ctlr = spi_alloc_target(&pdev->dev, - sizeof(struct sh_msiof_spi_priv)); + ctlr = spi_alloc_target(dev, sizeof(struct sh_msiof_spi_priv)); else - ctlr = spi_alloc_host(&pdev->dev, - sizeof(struct sh_msiof_spi_priv)); + ctlr = spi_alloc_host(dev, sizeof(struct sh_msiof_spi_priv)); if (ctlr == NULL) return -ENOMEM; @@ -1315,9 +1314,9 @@ static int sh_msiof_spi_probe(struct platform_device *pdev) init_completion(&p->done); init_completion(&p->done_txdma); - p->clk = devm_clk_get(&pdev->dev, NULL); + p->clk = devm_clk_get(dev, NULL); if (IS_ERR(p->clk)) { - dev_err(&pdev->dev, "cannot get clock\n"); + dev_err(dev, "cannot get clock\n"); ret = PTR_ERR(p->clk); goto err1; } @@ -1334,15 +1333,14 @@ static int sh_msiof_spi_probe(struct platform_device *pdev) goto err1; } - ret = devm_request_irq(&pdev->dev, i, sh_msiof_spi_irq, 0, - dev_name(&pdev->dev), p); + ret = devm_request_irq(dev, i, sh_msiof_spi_irq, 0, dev_name(&pdev->dev), p); if (ret) { - dev_err(&pdev->dev, "unable to request irq\n"); + dev_err(dev, "unable to request irq\n"); goto err1; } p->pdev = pdev; - pm_runtime_enable(&pdev->dev); + pm_runtime_enable(dev); /* Platform data may override FIFO sizes */ p->tx_fifo_size = chipdata->tx_fifo_size; @@ -1361,7 +1359,7 @@ static int sh_msiof_spi_probe(struct platform_device *pdev) ctlr->flags = chipdata->ctlr_flags; ctlr->bus_num = pdev->id; ctlr->num_chipselect = p->info->num_chipselect; - ctlr->dev.of_node = pdev->dev.of_node; + ctlr->dev.of_node = dev->of_node; ctlr->setup = sh_msiof_spi_setup; ctlr->prepare_message = sh_msiof_prepare_message; ctlr->target_abort = sh_msiof_target_abort; @@ -1373,11 +1371,11 @@ static int sh_msiof_spi_probe(struct platform_device *pdev) ret = sh_msiof_request_dma(p); if (ret < 0) - dev_warn(&pdev->dev, "DMA not available, using PIO\n"); + dev_warn(dev, "DMA not available, using PIO\n"); - ret = devm_spi_register_controller(&pdev->dev, ctlr); 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MSIOF-I2S will use Audio Graph Card/Card2 driver which Of-Graph in DT. MSIOF-SPI/I2S are using same DT compatible properties. MSIOF-I2S uses Of-Graph for Audio-Graph-Card/Card2, MSIOF-SPI doesn't use Of-Graph. Check "port" node when driver probing Signed-off-by: Kuninori Morimoto Reviewed-by: Geert Uytterhoeven --- drivers/spi/spi-sh-msiof.c | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/drivers/spi/spi-sh-msiof.c b/drivers/spi/spi-sh-msiof.c index 581cec19cb77..d9e3d83fc7e8 100644 --- a/drivers/spi/spi-sh-msiof.c +++ b/drivers/spi/spi-sh-msiof.c @@ -20,6 +20,7 @@ #include #include #include +#include #include #include #include @@ -1281,6 +1282,11 @@ static int sh_msiof_spi_probe(struct platform_device *pdev) int i; int ret; + /* Check whether MSIOF is used as I2S mode or SPI mode by checking "port" node */ + struct device_node *port __free(device_node) = of_graph_get_next_port(dev->of_node, NULL); + if (port) /* It was MSIOF-I2S */ + return -ENODEV; + chipdata = of_device_get_match_data(dev); if (chipdata) { info = sh_msiof_spi_parse_dt(dev); From patchwork Tue Apr 15 01:34:09 2025 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Kuninori Morimoto X-Patchwork-Id: 881816 Received: from TY3P286CU002.outbound.protection.outlook.com (mail-japaneastazon11010048.outbound.protection.outlook.com [52.101.229.48]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id A15EB60DCF; 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It is not error, allow to use ADG as standalone. Signed-off-by: Kuninori Morimoto --- sound/soc/renesas/rcar/core.c | 7 ++++++- 1 file changed, 6 insertions(+), 1 deletion(-) diff --git a/sound/soc/renesas/rcar/core.c b/sound/soc/renesas/rcar/core.c index 30afc942d381..4f4ed24cb361 100644 --- a/sound/soc/renesas/rcar/core.c +++ b/sound/soc/renesas/rcar/core.c @@ -1482,8 +1482,13 @@ static int rsnd_dai_probe(struct rsnd_priv *priv) int dai_i; nr = rsnd_dai_of_node(priv, &is_graph); + + /* + * There is a case that it is used only for ADG (Sound Clock). + * No DAI is not error + */ if (!nr) - return -EINVAL; + return 0; rdrv = devm_kcalloc(dev, nr, sizeof(*rdrv), GFP_KERNEL); rdai = devm_kcalloc(dev, nr, sizeof(*rdai), GFP_KERNEL); From patchwork Tue Apr 15 01:34:16 2025 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Kuninori Morimoto X-Patchwork-Id: 881628 Received: from TY3P286CU002.outbound.protection.outlook.com (mail-japaneastazon11010044.outbound.protection.outlook.com [52.101.229.44]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 5D91960DCF; 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But it should be handled since probe time. Includes BRGCKR_31 in adg->ckr to handle it since boot time. Signed-off-by: Kuninori Morimoto --- sound/soc/renesas/rcar/adg.c | 13 ++++++++++--- 1 file changed, 10 insertions(+), 3 deletions(-) diff --git a/sound/soc/renesas/rcar/adg.c b/sound/soc/renesas/rcar/adg.c index 191f212d338c..e6b7273b27ad 100644 --- a/sound/soc/renesas/rcar/adg.c +++ b/sound/soc/renesas/rcar/adg.c @@ -19,6 +19,7 @@ #define CLKOUT3 3 #define CLKOUTMAX 4 +#define BRGCKR_31 (1 << 31) #define BRRx_MASK(x) (0x3FF & x) static struct rsnd_mod_ops adg_ops = { @@ -361,10 +362,13 @@ int rsnd_adg_ssi_clk_try_start(struct rsnd_mod *ssi_mod, unsigned int rate) rsnd_adg_set_ssi_clk(ssi_mod, data); + ckr = adg->ckr & ~BRGCKR_31; if (0 == (rate % 8000)) - ckr = 0x80000000; /* BRGB output = 48kHz */ - - rsnd_mod_bset(adg_mod, BRGCKR, 0x80770000, adg->ckr | ckr); + ckr |= BRGCKR_31; /* use BRGB output = 48kHz */ + if (ckr != adg->ckr) { + rsnd_mod_bset(adg_mod, BRGCKR, 0x80770000, adg->ckr); + adg->ckr = ckr; + } dev_dbg(dev, "CLKOUT is based on BRG%c (= %dHz)\n", (ckr) ? 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R-Car Gen2/Gen3 are using it, but Gen4 doesn't have it. "clk_i" is not intuitive for ADG MSTP. Let's enable to use "adg" clock. It can keep compatible with R-Car Gen2/Gen3 and Gen4. Signed-off-by: Kuninori Morimoto --- sound/soc/renesas/rcar/adg.c | 19 +++++++++++++++++++ 1 file changed, 19 insertions(+) diff --git a/sound/soc/renesas/rcar/adg.c b/sound/soc/renesas/rcar/adg.c index e6b7273b27ad..8641b73d1f77 100644 --- a/sound/soc/renesas/rcar/adg.c +++ b/sound/soc/renesas/rcar/adg.c @@ -31,6 +31,7 @@ static struct rsnd_mod_ops adg_ops = { #define ADG_HZ_SIZE 2 struct rsnd_adg { + struct clk *adg; struct clk *clkin[CLKINMAX]; struct clk *clkout[CLKOUTMAX]; struct clk *null_clk; @@ -386,6 +387,10 @@ int rsnd_adg_clk_control(struct rsnd_priv *priv, int enable) int ret = 0, i; if (enable) { + ret = clk_prepare_enable(adg->adg); + if (ret < 0) + return ret; + rsnd_mod_bset(adg_mod, BRGCKR, 0x80770000, adg->ckr); rsnd_mod_write(adg_mod, BRRA, adg->brga); rsnd_mod_write(adg_mod, BRRB, adg->brgb); @@ -419,6 +424,10 @@ int rsnd_adg_clk_control(struct rsnd_priv *priv, int enable) if (ret < 0) rsnd_adg_clk_disable(priv); + /* disable adg */ + if (!enable) + clk_disable_unprepare(adg->adg); + return ret; } @@ -475,6 +484,16 @@ static int rsnd_adg_get_clkin(struct rsnd_priv *priv) clkin_size = ARRAY_SIZE(clkin_name_gen4); } + /* + * get adg + * No "adg" is not error + */ + clk = devm_clk_get(dev, "adg"); + if (IS_ERR_OR_NULL(clk)) + clk = rsnd_adg_null_clk_get(priv); + adg->adg = clk; + + /* get clkin */ for (i = 0; i < clkin_size; i++) { clk = devm_clk_get(dev, clkin_name[i]); From patchwork Tue Apr 15 01:34:28 2025 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Kuninori Morimoto X-Patchwork-Id: 881627 Received: from TYVP286CU001.outbound.protection.outlook.com (mail-japaneastazon11011004.outbound.protection.outlook.com [52.101.125.4]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 5674E60DCF; Tue, 15 Apr 2025 01:34:35 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=fail smtp.client-ip=52.101.125.4 ARC-Seal: i=2; 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Adds MSIOF-I2S driver. MSIOF-SPI/I2S are using same DT compatible properties. MSIOF-I2S uses Of-Graph for Audio-Graph-Card/Card2, MSIOF-SPI doesn't use Of-Graph. Signed-off-by: Kuninori Morimoto Reviewed-by: Geert Uytterhoeven --- sound/soc/renesas/Kconfig | 7 + sound/soc/renesas/rcar/Makefile | 3 + sound/soc/renesas/rcar/msiof.c | 566 ++++++++++++++++++++++++++++++++ 3 files changed, 576 insertions(+) create mode 100644 sound/soc/renesas/rcar/msiof.c diff --git a/sound/soc/renesas/Kconfig b/sound/soc/renesas/Kconfig index cb01fb36355f..dabf02a955ca 100644 --- a/sound/soc/renesas/Kconfig +++ b/sound/soc/renesas/Kconfig @@ -46,6 +46,13 @@ config SND_SOC_RCAR help This option enables R-Car SRU/SCU/SSIU/SSI sound support +config SND_SOC_MSIOF + tristate "R-Car series MSIOF support" + depends on OF + select SND_DMAENGINE_PCM + help + This option enables R-Car MSIOF sound support + config SND_SOC_RZ tristate "RZ/G2L series SSIF-2 support" depends on ARCH_RZG2L || COMPILE_TEST diff --git a/sound/soc/renesas/rcar/Makefile b/sound/soc/renesas/rcar/Makefile index 45eb875a912a..3a2c875595bd 100644 --- a/sound/soc/renesas/rcar/Makefile +++ b/sound/soc/renesas/rcar/Makefile @@ -1,3 +1,6 @@ # SPDX-License-Identifier: GPL-2.0 snd-soc-rcar-y := core.o gen.o dma.o adg.o ssi.o ssiu.o src.o ctu.o mix.o dvc.o cmd.o debugfs.o obj-$(CONFIG_SND_SOC_RCAR) += snd-soc-rcar.o + +snd-soc-msiof-y := msiof.o +obj-$(CONFIG_SND_SOC_MSIOF) += snd-soc-msiof.o diff --git a/sound/soc/renesas/rcar/msiof.c b/sound/soc/renesas/rcar/msiof.c new file mode 100644 index 000000000000..2c9c7eebfd39 --- /dev/null +++ b/sound/soc/renesas/rcar/msiof.c @@ -0,0 +1,566 @@ +// SPDX-License-Identifier: GPL-2.0 +// +// Renesas R-Car MSIOF (Clock-Synchronized Serial Interface with FIFO) I2S driver +// +// Copyright (C) 2025 Renesas Solutions Corp. +// Author: Kuninori Morimoto +// + +/* + * [NOTE] + * + * This driver doesn't support Clock/Frame Provider Mode + * + * Basically MSIOF is created for SPI, but we can use it as I2S (Sound), etc. Because of it, when + * we use it as I2S (Sound) with Provider Mode, we need to send dummy TX data even though it was + * used for RX. Because SPI HW needs TX Clock/Frame output for RX purpose. + * But it makes driver code complex in I2S (Sound). + * + * And when we use it as I2S (Sound) as Provider Mode, the clock source is [MSO clock] (= 133.33MHz) + * SoC internal clock. It is not for 48kHz/44.1kHz base clock. Thus the output/input will not be + * accurate sound. + * + * Because of these reasons, this driver doesn't support Clock/Frame Provider Mode. Use it as + * Clock/Frame Consumer Mode. + */ + +#include +#include +#include +#include +#include +#include +#include +#include + +/* register */ +#define SITMDR1 0x00 +#define SITMDR2 0x04 +#define SITMDR3 0x08 +#define SIRMDR1 0x10 +#define SIRMDR2 0x14 +#define SIRMDR3 0x18 +#define SICTR 0x28 +#define SISTR 0x40 +#define SIIER 0x44 +#define SITFDR 0x50 +#define SIRFDR 0x60 + +/* SITMDR1/ SIRMDR1 */ +#define PCON (1 << 30) /* Transfer Signal Connection */ +#define SYNCMD_LR (3 << 28) /* L/R mode */ +#define SYNCAC (1 << 25) /* Sync Polarity (Active-low) */ +#define DTDL_1 (1 << 20) /* 1-clock-cycle delay */ +#define TXSTP (1 << 0) /* Transmission/Reception Stop on FIFO */ + +/* SITMDR2 and SIRMDR2 */ +#define BITLEN1(x) (((x) - 1) << 24) /* Data Size (8-32 bits) */ +#define GRP (1 << 30) /* Group count */ + +/* SICTR */ +#define TEDG (1 << 27) /* Transmit Timing (1 = falling edge) */ +#define REDG (1 << 26) /* Receive Timing (1 = rising edge) */ +#define TXE (1 << 9) /* Transmit Enable */ +#define RXE (1 << 8) /* Receive Enable */ + +/* SISTR */ +#define TFSERR (1 << 21) /* Transmit Frame Synchronization Error */ +#define TFOVF (1 << 20) /* Transmit FIFO Overflow */ +#define TFUDF (1 << 19) /* Transmit FIFO Underflow */ +#define RFSERR (1 << 5) /* Receive Frame Synchronization Error */ +#define RFUDF (1 << 4) /* Receive FIFO Underflow */ +#define RFOVF (1 << 3) /* Receive FIFO Overflow */ +#define SISTR_ERR_TX (TFSERR | TFOVF | TFUDF) +#define SISTR_ERR_RX (RFSERR | RFOVF | RFUDF) +#define SISTR_ERR (SISTR_ERR_TX | SISTR_ERR_RX) + +/* SIIER */ +#define TDMAE (1 << 31) /* Transmit Data DMA Transfer Req. Enable */ +#define TDREQE (1 << 28) /* Transmit Data Transfer Request Enable */ +#define RDMAE (1 << 15) /* Receive Data DMA Transfer Req. Enable */ +#define RDREQE (1 << 12) /* Receive Data Transfer Request Enable */ + +/* + * The data on memory in 24bit case is located at side + * [ xxxxxx] + * [ xxxxxx] + * [ xxxxxx] + * + * HW assuming signal in 24bit case is located at side + * ---+ +---------+ + * +---------+ +---------+... + * [xxxxxx ][xxxxxx ][xxxxxx ] + * + * When we use 24bit data, it will be transferred via 32bit width via DMA, + * and MSIOF/DMA doesn't support data shift, we can't use 24bit data correctly. + * There is no such issue on 16/32bit data case. + */ +#define MSIOF_RATES SNDRV_PCM_RATE_8000_192000 +#define MSIOF_FMTS (SNDRV_PCM_FMTBIT_S16_LE |\ + SNDRV_PCM_FMTBIT_S32_LE) + +struct msiof_priv { + struct device *dev; + struct snd_pcm_substream *substream[SNDRV_PCM_STREAM_LAST + 1]; + spinlock_t lock; + void __iomem *base; + resource_size_t phy_addr; + + /* for error */ + int err_syc[SNDRV_PCM_STREAM_LAST + 1]; + int err_ovf[SNDRV_PCM_STREAM_LAST + 1]; + int err_udf[SNDRV_PCM_STREAM_LAST + 1]; + + /* bit field */ + u32 flags; +#define MSIOF_FLAGS_NEED_DELAY (1 << 0) +}; +#define msiof_flag_has(priv, flag) (priv->flags & flag) +#define msiof_flag_set(priv, flag) (priv->flags |= flag) + +#define msiof_is_play(substream) ((substream)->stream == SNDRV_PCM_STREAM_PLAYBACK) +#define msiof_read(priv, reg) ioread32((priv)->base + reg) +#define msiof_write(priv, reg, val) iowrite32(val, (priv)->base + reg) +#define msiof_status_clear(priv) msiof_write(priv, SISTR, SISTR_ERR) + +static void msiof_update(struct msiof_priv *priv, u32 reg, u32 mask, u32 val) +{ + u32 old = msiof_read(priv, reg); + u32 new = (old & ~mask) | (val & mask); + + if (old != new) + msiof_write(priv, reg, new); +} + +static void msiof_update_and_wait(struct msiof_priv *priv, u32 reg, u32 mask, u32 val, u32 expect) +{ + u32 data; + int ret; + + msiof_update(priv, reg, mask, val); + + ret = readl_poll_timeout_atomic(priv->base + reg, data, + (data & mask) == expect, 1, 128); + if (ret) + dev_warn(priv->dev, "write timeout [0x%02x] 0x%08x / 0x%08x\n", + reg, data, expect); +} + +static int msiof_hw_start(struct snd_soc_component *component, + struct snd_pcm_substream *substream, int cmd) +{ + struct msiof_priv *priv = snd_soc_component_get_drvdata(component); + struct snd_pcm_runtime *runtime = substream->runtime; + int is_play = msiof_is_play(substream); + int width = snd_pcm_format_width(runtime->format); + u32 val; + + /* + * see + * [NOTE] on top of this driver + */ + /* + * see + * Datasheet 109.3.6 [Transmit and Receive Procedures] + * + * TX: Fig 109.14 - Fig 109.23 + * RX: Fig 109.15 + */ + + /* reset errors */ + priv->err_syc[substream->stream] = + priv->err_ovf[substream->stream] = + priv->err_udf[substream->stream] = 0; + + /* SITMDRx */ + if (is_play) { + val = PCON | SYNCMD_LR | SYNCAC | TXSTP; + if (msiof_flag_has(priv, MSIOF_FLAGS_NEED_DELAY)) + val |= DTDL_1; + + msiof_write(priv, SITMDR1, val); + + val = BITLEN1(width); + msiof_write(priv, SITMDR2, val | GRP); + msiof_write(priv, SITMDR3, val); + + } + /* SIRMDRx */ + else { + val = SYNCMD_LR | SYNCAC; + if (msiof_flag_has(priv, MSIOF_FLAGS_NEED_DELAY)) + val |= DTDL_1; + + msiof_write(priv, SIRMDR1, val); + + val = BITLEN1(width); + msiof_write(priv, SIRMDR2, val | GRP); + msiof_write(priv, SIRMDR3, val); + } + + /* SIIER */ + if (is_play) + val = TDREQE | TDMAE | SISTR_ERR_TX; + else + val = RDREQE | RDMAE | SISTR_ERR_RX; + msiof_update(priv, SIIER, val, val); + + /* SICTR */ + if (is_play) + val = TXE | TEDG; + else + val = RXE | REDG; + msiof_update_and_wait(priv, SICTR, val, val, val); + + msiof_status_clear(priv); + + /* Start DMAC */ + snd_dmaengine_pcm_trigger(substream, cmd); + + return 0; +} + +static int msiof_hw_stop(struct snd_soc_component *component, + struct snd_pcm_substream *substream, int cmd) +{ + struct msiof_priv *priv = snd_soc_component_get_drvdata(component); + struct device *dev = component->dev; + int is_play = msiof_is_play(substream); + u32 val; + + /* SIIER */ + if (is_play) + val = TDREQE | TDMAE | SISTR_ERR_TX; + else + val = RDREQE | RDMAE | SISTR_ERR_RX; + msiof_update(priv, SIIER, val, 0); + + /* Stop DMAC */ + snd_dmaengine_pcm_trigger(substream, cmd); + + /* SICTR */ + if (is_play) + val = TXE; + else + val = RXE; + msiof_update_and_wait(priv, SICTR, val, 0, 0); + + /* indicate error status if exist */ + if (priv->err_syc[substream->stream] || + priv->err_ovf[substream->stream] || + priv->err_udf[substream->stream]) + dev_warn(dev, "FSERR(%s) = %d, FOVF = %d, FUDF = %d\n", + snd_pcm_direction_name(substream->stream), + priv->err_syc[substream->stream], + priv->err_ovf[substream->stream], + priv->err_udf[substream->stream]); + + return 0; +} + +static int msiof_dai_set_fmt(struct snd_soc_dai *dai, unsigned int fmt) +{ + struct msiof_priv *priv = snd_soc_dai_get_drvdata(dai); + + switch (fmt & SND_SOC_DAIFMT_CLOCK_PROVIDER_MASK) { + /* + * It supports Clock/Frame Consumer Mode only + * see + * [NOTE] on top of this driver + */ + case SND_SOC_DAIFMT_BC_FC: + break; + /* others are error */ + default: + return -EINVAL; + } + + switch (fmt & SND_SOC_DAIFMT_INV_MASK) { + /* it supports NB_NF only */ + case SND_SOC_DAIFMT_NB_NF: + default: + break; + /* others are error */ + case SND_SOC_DAIFMT_NB_IF: + case SND_SOC_DAIFMT_IB_NF: + case SND_SOC_DAIFMT_IB_IF: + return -EINVAL; + } + + switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) { + case SND_SOC_DAIFMT_I2S: + msiof_flag_set(priv, MSIOF_FLAGS_NEED_DELAY); + break; + case SND_SOC_DAIFMT_LEFT_J: + break; + default: + return -EINVAL; + } + + return 0; +} + +/* + * Select below from Sound Card, not auto + * SND_SOC_DAIFMT_CBC_CFC + * SND_SOC_DAIFMT_CBP_CFP + */ +static const u64 msiof_dai_formats = SND_SOC_POSSIBLE_DAIFMT_I2S | + SND_SOC_POSSIBLE_DAIFMT_LEFT_J | + SND_SOC_POSSIBLE_DAIFMT_NB_NF; + +static const struct snd_soc_dai_ops msiof_dai_ops = { + .set_fmt = msiof_dai_set_fmt, + .auto_selectable_formats = &msiof_dai_formats, + .num_auto_selectable_formats = 1, +}; + +static struct snd_soc_dai_driver msiof_dai_driver = { + .name = "msiof-dai", + .playback = { + .rates = MSIOF_RATES, + .formats = MSIOF_FMTS, + .channels_min = 2, + .channels_max = 2, + }, + .capture = { + .rates = MSIOF_RATES, + .formats = MSIOF_FMTS, + .channels_min = 2, + .channels_max = 2, + }, + .ops = &msiof_dai_ops, +}; + +static struct snd_pcm_hardware msiof_pcm_hardware = { + .info = SNDRV_PCM_INFO_INTERLEAVED | + SNDRV_PCM_INFO_MMAP | + SNDRV_PCM_INFO_MMAP_VALID, + .buffer_bytes_max = 64 * 1024, + .period_bytes_min = 32, + .period_bytes_max = 8192, + .periods_min = 1, + .periods_max = 32, + .fifo_size = 64, +}; + +static int msiof_open(struct snd_soc_component *component, + struct snd_pcm_substream *substream) +{ + struct device *dev = component->dev; + struct dma_chan *chan; + static const char * const dma_names[] = {"rx", "tx"}; + int is_play = msiof_is_play(substream); + int ret; + + chan = of_dma_request_slave_channel(dev->of_node, dma_names[is_play]); + if (IS_ERR(chan)) + return PTR_ERR(chan); + + ret = snd_dmaengine_pcm_open(substream, chan); + if (ret < 0) + goto open_err_dma; + + snd_soc_set_runtime_hwparams(substream, &msiof_pcm_hardware); + + ret = snd_pcm_hw_constraint_integer(substream->runtime, SNDRV_PCM_HW_PARAM_PERIODS); + +open_err_dma: + if (ret < 0) + dma_release_channel(chan); + + return ret; +} + +static int msiof_close(struct snd_soc_component *component, + struct snd_pcm_substream *substream) +{ + return snd_dmaengine_pcm_close_release_chan(substream); +} + +static snd_pcm_uframes_t msiof_pointer(struct snd_soc_component *component, + struct snd_pcm_substream *substream) +{ + return snd_dmaengine_pcm_pointer(substream); +} + +#define PREALLOC_BUFFER (32 * 1024) +#define PREALLOC_BUFFER_MAX (32 * 1024) +static int msiof_new(struct snd_soc_component *component, + struct snd_soc_pcm_runtime *rtd) +{ + snd_pcm_set_managed_buffer_all(rtd->pcm, SNDRV_DMA_TYPE_DEV, + rtd->card->snd_card->dev, + PREALLOC_BUFFER, PREALLOC_BUFFER_MAX); + return 0; +} + +static int msiof_trigger(struct snd_soc_component *component, + struct snd_pcm_substream *substream, int cmd) +{ + struct device *dev = component->dev; + struct msiof_priv *priv = dev_get_drvdata(dev); + unsigned long flags; + int ret = -EINVAL; + + spin_lock_irqsave(&priv->lock, flags); + + switch (cmd) { + case SNDRV_PCM_TRIGGER_START: + priv->substream[substream->stream] = substream; + fallthrough; + case SNDRV_PCM_TRIGGER_RESUME: + ret = msiof_hw_start(component, substream, cmd); + break; + case SNDRV_PCM_TRIGGER_STOP: + priv->substream[substream->stream] = NULL; + fallthrough; + case SNDRV_PCM_TRIGGER_SUSPEND: + ret = msiof_hw_stop(component, substream, cmd); + break; + } + + spin_unlock_irqrestore(&priv->lock, flags); + + return ret; +} + +static int msiof_hw_params(struct snd_soc_component *component, + struct snd_pcm_substream *substream, + struct snd_pcm_hw_params *params) +{ + struct msiof_priv *priv = dev_get_drvdata(component->dev); + struct dma_chan *chan = snd_dmaengine_pcm_get_chan(substream); + struct dma_slave_config cfg = {}; + unsigned long flags; + int ret; + + spin_lock_irqsave(&priv->lock, flags); + + ret = snd_hwparams_to_dma_slave_config(substream, params, &cfg); + if (ret < 0) + goto hw_params_out; + + cfg.dst_addr = priv->phy_addr + SITFDR; + cfg.src_addr = priv->phy_addr + SIRFDR; + + ret = dmaengine_slave_config(chan, &cfg); +hw_params_out: + spin_unlock_irqrestore(&priv->lock, flags); + + return ret; +} + +static const struct snd_soc_component_driver msiof_component_driver = { + .name = "msiof", + .open = msiof_open, + .close = msiof_close, + .pointer = msiof_pointer, + .pcm_construct = msiof_new, + .trigger = msiof_trigger, + .hw_params = msiof_hw_params, +}; + +static irqreturn_t msiof_interrupt(int irq, void *data) +{ + struct msiof_priv *priv = data; + struct snd_pcm_substream *substream; + u32 sistr; + + spin_lock(&priv->lock); + + sistr = msiof_read(priv, SISTR); + msiof_status_clear(priv); + + spin_unlock(&priv->lock); + + /* overflow/underflow error */ + substream = priv->substream[SNDRV_PCM_STREAM_PLAYBACK]; + if (substream && (sistr & SISTR_ERR_TX)) { + // snd_pcm_stop_xrun(substream); + if (sistr & TFSERR) + priv->err_syc[SNDRV_PCM_STREAM_PLAYBACK]++; + if (sistr & TFOVF) + priv->err_ovf[SNDRV_PCM_STREAM_PLAYBACK]++; + if (sistr & TFUDF) + priv->err_udf[SNDRV_PCM_STREAM_PLAYBACK]++; + } + + substream = priv->substream[SNDRV_PCM_STREAM_CAPTURE]; + if (substream && (sistr & SISTR_ERR_RX)) { + // snd_pcm_stop_xrun(substream); + if (sistr & RFSERR) + priv->err_syc[SNDRV_PCM_STREAM_CAPTURE]++; + if (sistr & RFOVF) + priv->err_ovf[SNDRV_PCM_STREAM_CAPTURE]++; + if (sistr & RFUDF) + priv->err_udf[SNDRV_PCM_STREAM_CAPTURE]++; + } + + return IRQ_HANDLED; +} + +static int msiof_probe(struct platform_device *pdev) +{ + struct msiof_priv *priv; + struct device *dev = &pdev->dev; + struct resource *res; + int irq, ret; + + /* Check MSIOF as Sound mode or SPI mode */ + struct device_node *port __free(device_node) = of_graph_get_next_port(dev->of_node, NULL); + if (!port) + return -ENODEV; + + res = platform_get_resource(pdev, IORESOURCE_MEM, 0); + if (!res) + return -ENODEV; + + irq = platform_get_irq(pdev, 0); + if (irq <= 0) + return -ENODEV; + + priv = devm_kzalloc(dev, sizeof(*priv), GFP_KERNEL); + if (!priv) + return -ENODEV; + + priv->base = devm_ioremap_resource(dev, res); + if (IS_ERR(priv->base)) + return PTR_ERR(priv->base); + + ret = devm_request_irq(dev, irq, msiof_interrupt, 0, dev_name(dev), priv); + if (ret) + return ret; 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The node name is not "spi". Rename it to "serial-engine". Suggested-by: Krzysztof Kozlowski Signed-off-by: Kuninori Morimoto --- arch/arm64/boot/dts/renesas/r8a779g0.dtsi | 12 ++++++------ 1 file changed, 6 insertions(+), 6 deletions(-) diff --git a/arch/arm64/boot/dts/renesas/r8a779g0.dtsi b/arch/arm64/boot/dts/renesas/r8a779g0.dtsi index 1760720b7128..0b85fa0d1f41 100644 --- a/arch/arm64/boot/dts/renesas/r8a779g0.dtsi +++ b/arch/arm64/boot/dts/renesas/r8a779g0.dtsi @@ -1250,7 +1250,7 @@ tpu: pwm@e6e80000 { status = "disabled"; }; - msiof0: spi@e6e90000 { + msiof0: serial-engine@e6e90000 { compatible = "renesas,msiof-r8a779g0", "renesas,rcar-gen4-msiof"; reg = <0 0xe6e90000 0 0x0064>; @@ -1266,7 +1266,7 @@ msiof0: spi@e6e90000 { status = "disabled"; }; - msiof1: spi@e6ea0000 { + msiof1: serial-engine@e6ea0000 { compatible = "renesas,msiof-r8a779g0", "renesas,rcar-gen4-msiof"; reg = <0 0xe6ea0000 0 0x0064>; @@ -1282,7 +1282,7 @@ msiof1: spi@e6ea0000 { status = "disabled"; }; - msiof2: spi@e6c00000 { + msiof2: serial-engine@e6c00000 { compatible = "renesas,msiof-r8a779g0", "renesas,rcar-gen4-msiof"; reg = <0 0xe6c00000 0 0x0064>; @@ -1298,7 +1298,7 @@ msiof2: spi@e6c00000 { status = "disabled"; }; - msiof3: spi@e6c10000 { + msiof3: serial-engine@e6c10000 { compatible = "renesas,msiof-r8a779g0", "renesas,rcar-gen4-msiof"; reg = <0 0xe6c10000 0 0x0064>; @@ -1314,7 +1314,7 @@ msiof3: spi@e6c10000 { status = "disabled"; }; - msiof4: spi@e6c20000 { + msiof4: serial-engine@e6c20000 { compatible = "renesas,msiof-r8a779g0", "renesas,rcar-gen4-msiof"; reg = <0 0xe6c20000 0 0x0064>; @@ -1330,7 +1330,7 @@ msiof4: spi@e6c20000 { status = "disabled"; }; - msiof5: spi@e6c28000 { + msiof5: serial-engine@e6c28000 { compatible = "renesas,msiof-r8a779g0", "renesas,rcar-gen4-msiof"; reg = <0 0xe6c28000 0 0x0064>; From patchwork Tue Apr 15 01:34:40 2025 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Kuninori Morimoto X-Patchwork-Id: 881626 Received: from TY3P286CU002.outbound.protection.outlook.com (mail-japaneastazon11010002.outbound.protection.outlook.com [52.101.229.2]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id A3A2A1422AB; 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Support it. Signed-off-by: Kuninori Morimoto --- .../dts/renesas/r8a779g3-sparrow-hawk.dts | 98 +++++++++++++++++++ 1 file changed, 98 insertions(+) diff --git a/arch/arm64/boot/dts/renesas/r8a779g3-sparrow-hawk.dts b/arch/arm64/boot/dts/renesas/r8a779g3-sparrow-hawk.dts index b54d45115a85..0a4a9e1f85a5 100644 --- a/arch/arm64/boot/dts/renesas/r8a779g3-sparrow-hawk.dts +++ b/arch/arm64/boot/dts/renesas/r8a779g3-sparrow-hawk.dts @@ -4,6 +4,29 @@ * * Copyright (C) 2025 Marek Vasut */ +/* + * DA7212 Codec settings + * + * for Playback + * > amixer set "Headphone" 40% + * > amixer set "Headphone" on + * > amixer set "Mixout Left DAC Left" on + * > amixer set "Mixout Right DAC Right" on + * + * for Capture (Aux/Mic) + * > amixer set "Aux" on + * > amixer set "Aux" 80% + * > amixer set "Mixin PGA" on + * > amixer set "Mixin PGA" 50% + * > amixer set "ADC" on + * > amixer set "ADC" 80% + * > amixer set "Mixin Left Aux Left" on + * > amixer set "Mixin Right Aux Right" on + * > amixer set "Mic 1" on + * > amixer set "Mic 1" 80% + * > amixer set "Mixin Left Mic 1" on + * > amixer set "Mixin Right Mic 1" on + */ /dts-v1/; #include @@ -150,6 +173,12 @@ vcc_sdhi: regulator-vcc-sdhi { gpios-states = <1>; states = <3300000 0>, <1800000 1>; }; + + /* Page 30 / Audio_Codec */ + sound_card: sound { + compatible = "audio-graph-card2"; + links = <&msiof1_snd>; + }; }; /* Page 22 / Ether_AVB0 */ @@ -341,6 +370,29 @@ i2c0_mux1: i2c@1 { reg = <1>; #address-cells = <1>; #size-cells = <0>; + + /* Page 30 / Audio_Codec */ + codec@1a { + compatible = "dlg,da7212"; + + #sound-dai-cells = <0>; + reg = <0x1a>; + + clocks = <&rcar_sound>; + clock-names = "mclk"; + + VDDA-supply = <®_1p8v>; + VDDMIC-supply = <®_3p3v>; + VDDIO-supply = <®_3p3v>; + + port { + da7212_endpoint: endpoint { + bitclock-master; + frame-master; + remote-endpoint = <&msiof1_snd_endpoint>; + }; + }; + }; }; i2c0_mux2: i2c@2 { @@ -603,6 +655,52 @@ sd_uhs_pins: sd-uhs { function = "mmc"; power-source = <1800>; }; + + /* Page 30 / Audio_Codec */ + msiof1_pins: sound { + groups = "msiof1_clk", "msiof1_sync", "msiof1_txd", "msiof1_rxd"; + function = "msiof1"; + }; + + /* Page 30 / Audio_Codec */ + sound_clk_pins: sound-clk { + groups = "audio_clkin", "audio_clkout"; + function = "audio_clk"; + }; +}; + +&audio_clkin { + clock-frequency = <24576000>; +}; + +/* Page 30 / Audio_Codec */ +&rcar_sound { + pinctrl-0 = <&sound_clk_pins>; + pinctrl-names = "default"; + + /* It is used for ADG output as DA7212_MCLK */ + + /* audio_clkout */ + clock-frequency = <12288000>; /* 48 kHz groups */ + + status = "okay"; +}; + +&msiof1 { + pinctrl-0 = <&msiof1_pins>; + pinctrl-names = "default"; + + status = "okay"; + + /* ignore DT warning */ + /delete-property/#address-cells; + /delete-property/#size-cells; + + msiof1_snd: port { + msiof1_snd_endpoint: endpoint { + remote-endpoint = <&da7212_endpoint>; + }; + }; }; /* Page 31 / FAN */ From patchwork Tue Apr 15 01:34:46 2025 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Kuninori Morimoto X-Patchwork-Id: 881813 Received: from TYVP286CU001.outbound.protection.outlook.com (mail-japaneastazon11011034.outbound.protection.outlook.com [52.101.125.34]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id A56221422AB; 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Support it. Signed-off-by: Kuninori Morimoto Acked-by: Krzysztof Kozlowski --- arch/arm64/configs/defconfig | 1 + 1 file changed, 1 insertion(+) diff --git a/arch/arm64/configs/defconfig b/arch/arm64/configs/defconfig index 5bb8f09422a2..b74f5810e0e6 100644 --- a/arch/arm64/configs/defconfig +++ b/arch/arm64/configs/defconfig @@ -1010,6 +1010,7 @@ CONFIG_SND_SOC_ROCKCHIP_RT5645=m CONFIG_SND_SOC_RK3399_GRU_SOUND=m CONFIG_SND_SOC_SAMSUNG=y CONFIG_SND_SOC_RCAR=m +CONFIG_SND_SOC_MSIOF=m CONFIG_SND_SOC_RZ=m CONFIG_SND_SOC_SOF_TOPLEVEL=y CONFIG_SND_SOC_SOF_OF=y