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/linux-6.12.1/sound/soc/xtensa/
Dxtfpga-i2s.c1 // SPDX-License-Identifier: GPL-2.0-only
3 * Xtfpga I2S controller driver
17 #define DRV_NAME "xtfpga-i2s"
46 * I2S controller operation:
61 void __iomem *regs; member
69 * read-side critical section. Trigger callback sets and clears the
76 unsigned (*tx_fn)(struct xtfpga_i2s *i2s,
123 * xtfpga_pcm_tx_2x16 for 16-bit stereo.
125 * FIFO consists of 32-bit words, one word per channel, always 2 channels.
126 * If I2S interface is configured with smaller sample resolution, only
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/linux-6.12.1/sound/soc/meson/
Dg12a-tohdmitx.c1 // SPDX-License-Identifier: GPL-2.0
13 #include <sound/soc-dai.h>
15 #include <dt-bindings/sound/meson-g12a-tohdmitx.h>
16 #include "meson-codec-glue.h"
18 #define G12A_TOHDMITX_DRV_NAME "g12a-tohdmitx"
35 "I2S A", "I2S B", "I2S C",
45 struct soc_enum *e = (struct soc_enum *)kcontrol->private_value; in g12a_tohdmitx_i2s_mux_put_enum()
48 if (ucontrol->value.enumerated.item[0] >= e->items) in g12a_tohdmitx_i2s_mux_put_enum()
49 return -EINVAL; in g12a_tohdmitx_i2s_mux_put_enum()
51 mux = snd_soc_enum_item_to_val(e, ucontrol->value.enumerated.item[0]); in g12a_tohdmitx_i2s_mux_put_enum()
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Daiu.c1 // SPDX-License-Identifier: GPL-2.0
13 #include <sound/soc-dai.h>
15 #include <dt-bindings/sound/meson-aiu.h>
17 #include "aiu-fifo.h"
22 "SPDIF", "I2S",
38 { "I2S Encoder Playback", NULL, "I2S FIFO Playback" },
40 { "SPDIF SRC SEL", "I2S", "I2S FIFO Playback" },
52 if (args->args_count != 2) in aiu_of_xlate_dai_name()
53 return -EINVAL; in aiu_of_xlate_dai_name()
55 if (args->args[0] != component_id) in aiu_of_xlate_dai_name()
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Dg12a-toacodec.c1 // SPDX-License-Identifier: GPL-2.0
14 #include <sound/soc-dai.h>
16 #include <dt-bindings/sound/meson-g12a-toacodec.h>
17 #include "axg-tdm.h"
18 #include "meson-codec-glue.h"
20 #define G12A_TOACODEC_DRV_NAME "g12a-toacodec"
60 "I2S A", "I2S B", "I2S C",
71 struct soc_enum *e = (struct soc_enum *)kcontrol->private_value; in g12a_toacodec_mux_put_enum()
74 if (ucontrol->value.enumerated.item[0] >= e->items) in g12a_toacodec_mux_put_enum()
75 return -EINVAL; in g12a_toacodec_mux_put_enum()
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/linux-6.12.1/sound/soc/tegra/
Dtegra20_i2s.c1 // SPDX-License-Identifier: GPL-2.0-only
3 * tegra20_i2s.c - Tegra20 I2S driver
6 * Copyright (C) 2010,2012 - NVIDIA, Inc.
10 * Copyright (c) 2009-2010, NVIDIA Corporation.
35 #define DRV_NAME "tegra20-i2s"
39 struct tegra20_i2s *i2s = dev_get_drvdata(dev); in tegra20_i2s_runtime_suspend() local
41 regcache_cache_only(i2s->regmap, true); in tegra20_i2s_runtime_suspend()
43 clk_disable_unprepare(i2s->clk_i2s); in tegra20_i2s_runtime_suspend()
50 struct tegra20_i2s *i2s = dev_get_drvdata(dev); in tegra20_i2s_runtime_resume() local
53 ret = reset_control_assert(i2s->reset); in tegra20_i2s_runtime_resume()
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Dtegra30_i2s.c1 // SPDX-License-Identifier: GPL-2.0-only
3 * tegra30_i2s.c - Tegra30 I2S driver
6 * Copyright (c) 2010-2012, NVIDIA CORPORATION. All rights reserved.
10 * Copyright (c) 2009-2010, NVIDIA Corporation.
36 #define DRV_NAME "tegra30-i2s"
40 struct tegra30_i2s *i2s = dev_get_drvdata(dev); in tegra30_i2s_runtime_suspend() local
42 regcache_cache_only(i2s->regmap, true); in tegra30_i2s_runtime_suspend()
44 clk_disable_unprepare(i2s->clk_i2s); in tegra30_i2s_runtime_suspend()
51 struct tegra30_i2s *i2s = dev_get_drvdata(dev); in tegra30_i2s_runtime_resume() local
54 ret = clk_prepare_enable(i2s->clk_i2s); in tegra30_i2s_runtime_resume()
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Dtegra210_i2s.c1 // SPDX-License-Identifier: GPL-2.0-only
3 // tegra210_i2s.c - Tegra210 I2S driver
33 * is required to select i2s4b for it to be functional for I2S
44 regmap_write(regmap, TEGRA210_I2S_SLOT_CTRL, total_slots - 1); in tegra210_i2s_set_slot_ctrl()
52 struct tegra210_i2s *i2s = dev_get_drvdata(dev); in tegra210_i2s_set_clock_rate() local
56 regmap_read(i2s->regmap, TEGRA210_I2S_CTRL, &val); in tegra210_i2s_set_clock_rate()
58 /* No need to set rates if I2S is being operated in slave */ in tegra210_i2s_set_clock_rate()
62 err = clk_set_rate(i2s->clk_i2s, clock_rate); in tegra210_i2s_set_clock_rate()
64 dev_err(dev, "can't set I2S bit clock rate %u, err: %d\n", in tegra210_i2s_set_clock_rate()
69 if (!IS_ERR(i2s->clk_sync_input)) { in tegra210_i2s_set_clock_rate()
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Dtegra20_spdif.c1 // SPDX-License-Identifier: GPL-2.0-only
3 * tegra20_spdif.c - Tegra20 SPDIF driver
6 * Copyright (C) 2011-2012 - NVIDIA, Inc.
32 regcache_cache_only(spdif->regmap, true); in tegra20_spdif_runtime_suspend()
34 clk_disable_unprepare(spdif->clk_spdif_out); in tegra20_spdif_runtime_suspend()
44 ret = reset_control_assert(spdif->reset); in tegra20_spdif_runtime_resume()
48 ret = clk_prepare_enable(spdif->clk_spdif_out); in tegra20_spdif_runtime_resume()
56 ret = reset_control_deassert(spdif->reset); in tegra20_spdif_runtime_resume()
60 regcache_cache_only(spdif->regmap, false); in tegra20_spdif_runtime_resume()
61 regcache_mark_dirty(spdif->regmap); in tegra20_spdif_runtime_resume()
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/linux-6.12.1/sound/soc/fsl/
Dlpc3xxx-i2s.c1 // SPDX-License-Identifier: GPL-2.0-or-later
23 #include "lpc3xxx-i2s.h"
60 if (abs(trate - i2srate) < diff) { in __lpc3xxx_find_clkdiv()
61 diff = abs(trate - i2srate); in __lpc3xxx_find_clkdiv()
72 struct device *dev = i2s_info_p->dev; in lpc3xxx_i2s_startup()
76 guard(mutex)(&i2s_info_p->lock); in lpc3xxx_i2s_startup()
78 if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) in lpc3xxx_i2s_startup()
83 if (flag & i2s_info_p->streams_in_use) { in lpc3xxx_i2s_startup()
84 dev_warn(dev, "I2S channel is busy\n"); in lpc3xxx_i2s_startup()
85 ret = -EBUSY; in lpc3xxx_i2s_startup()
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Dmpc5200_psc_i2s.c1 // SPDX-License-Identifier: GPL-2.0-only
3 // Freescale MPC5200 PSC in I2S mode
21 * PSC_I2S_RATES: sample rates supported by the I2S
23 * This driver currently only supports the PSC running in I2S slave mode,
31 * PSC_I2S_FORMATS: audio formats supported by the PSC I2S mode
44 dev_dbg(psc_dma->dev, "%s(substream=%p) p_size=%i p_bytes=%i" in psc_i2s_hw_params()
64 dev_dbg(psc_dma->dev, "invalid format\n"); in psc_i2s_hw_params()
65 return -EINVAL; in psc_i2s_hw_params()
67 out_be32(&psc_dma->psc_regs->sicr, psc_dma->sicr | mode); in psc_i2s_hw_params()
90 dev_dbg(psc_dma->dev, "psc_i2s_set_sysclk(cpu_dai=%p, dir=%i)\n", in psc_i2s_set_sysclk()
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Dfsl_ssi.c1 // SPDX-License-Identifier: GPL-2.0
7 // Copyright 2007-2010 Freescale Semiconductor, Inc.
9 // Some notes why imx-pcm-fiq is used instead of DMA on some boards:
16 // we receive in our (PCM-) data stream. The only chance we have is to
43 #include <linux/dma/imx-dma.h>
53 #include "imx-pcm.h"
55 /* Define RX and TX to index ssi->regvals array; Can be 0 or 1 only */
66 * (bit-endianness must match byte-endianness). Processors typically write
68 * written in. So if the host CPU is big-endian, then only big-endian
91 * - SSI inputs external bit clock and outputs frame sync clock -- CBM_CFS
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/linux-6.12.1/sound/soc/jz4740/
Djz4740-i2s.c1 // SPDX-License-Identifier: GPL-2.0-or-later
3 * Copyright (C) 2010, Lars-Peter Clausen <lars@metafoo.de>
9 #include <linux/dma-mapping.h>
97 struct jz4740_i2s *i2s = snd_soc_dai_get_drvdata(dai); in jz4740_i2s_startup() local
105 if (!i2s->soc_info->shared_fifo_flush) { in jz4740_i2s_startup()
106 if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) in jz4740_i2s_startup()
107 regmap_set_bits(i2s->regmap, JZ_REG_AIC_CTRL, JZ_AIC_CTRL_TFLUSH); in jz4740_i2s_startup()
109 regmap_set_bits(i2s->regmap, JZ_REG_AIC_CTRL, JZ_AIC_CTRL_RFLUSH); in jz4740_i2s_startup()
121 if (i2s->soc_info->shared_fifo_flush) in jz4740_i2s_startup()
122 regmap_set_bits(i2s->regmap, JZ_REG_AIC_CTRL, JZ_AIC_CTRL_TFLUSH); in jz4740_i2s_startup()
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/linux-6.12.1/Documentation/devicetree/bindings/sound/
Dintel,keembay-i2s.yaml1 # SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
4 ---
5 $id: http://devicetree.org/schemas/sound/intel,keembay-i2s.yaml#
6 $schema: http://devicetree.org/meta-schemas/core.yaml#
8 title: Intel KeemBay I2S
11 - Daniele Alessandrelli <daniele.alessandrelli@intel.com>
12 - Paul J. Murphy <paul.j.murphy@intel.com>
15 Intel KeemBay I2S
18 - $ref: dai-common.yaml#
23 - intel,keembay-i2s
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Dst,sti-asoc-card.txt3 The sti ASoC Sound Card can be used, for all sti SoCs using internal sti-sas
8 Documentation/devicetree/bindings/sound/simple-card.yaml.
10 1) sti-uniperiph-dai: audio dai device.
11 ---------------------------------------
14 - compatible: "st,stih407-uni-player-hdmi", "st,stih407-uni-player-pcm-out",
15 "st,stih407-uni-player-dac", "st,stih407-uni-player-spdif",
16 "st,stih407-uni-reader-pcm_in", "st,stih407-uni-reader-hdmi",
18 - st,syscfg: phandle to boot-device system configuration registers
20 - clock-names: name of the clocks listed in clocks property in the same order
22 - reg: CPU DAI IP Base address and size entries, listed in same
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/linux-6.12.1/sound/soc/samsung/
Didma.c1 // SPDX-License-Identifier: GPL-2.0+
3 // idma.c - I2S0 internal DMA driver
10 #include <linux/dma-mapping.h>
17 #include "i2s.h"
19 #include "i2s-regs.h"
52 void __iomem *regs; member
61 (readl(idma.regs + I2STRNCNT) & 0xffffff) * 4; in idma_getpos()
66 struct snd_pcm_runtime *runtime = substream->runtime; in idma_enqueue()
67 struct idma_ctrl *prtd = substream->runtime->private_data; in idma_enqueue()
70 spin_lock(&prtd->lock); in idma_enqueue()
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Dodroid.c1 // SPDX-License-Identifier: GPL-2.0
6 #include <linux/clk-provider.h>
11 #include "i2s.h"
12 #include "i2s-regs.h"
27 struct snd_pcm_runtime *runtime = substream->runtime; in odroid_card_fe_startup()
38 struct odroid_priv *priv = snd_soc_card_get_drvdata(rtd->card); in odroid_card_fe_hw_params()
42 spin_lock_irqsave(&priv->lock, flags); in odroid_card_fe_hw_params()
43 if (priv->be_active && priv->be_sample_rate != params_rate(params)) in odroid_card_fe_hw_params()
44 ret = -EINVAL; in odroid_card_fe_hw_params()
45 spin_unlock_irqrestore(&priv->lock, flags); in odroid_card_fe_hw_params()
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/linux-6.12.1/sound/soc/rockchip/
Drockchip_i2s.c1 // SPDX-License-Identifier: GPL-2.0-only
4 * ALSA SoC Audio Layer - Rockchip I2S Controller driver
7 * Author: Jianqun <jay.xu@rock-chips.com>
24 #define DRV_NAME "rockchip-i2s"
48 * I2S controller hopes to start the tx and rx together,
62 static int i2s_pinctrl_select_bclk_on(struct rk_i2s_dev *i2s) in i2s_pinctrl_select_bclk_on() argument
66 if (!IS_ERR(i2s->pinctrl) && !IS_ERR_OR_NULL(i2s->bclk_on)) in i2s_pinctrl_select_bclk_on()
67 ret = pinctrl_select_state(i2s->pinctrl, i2s->bclk_on); in i2s_pinctrl_select_bclk_on()
70 dev_err(i2s->dev, "bclk enable failed %d\n", ret); in i2s_pinctrl_select_bclk_on()
75 static int i2s_pinctrl_select_bclk_off(struct rk_i2s_dev *i2s) in i2s_pinctrl_select_bclk_off() argument
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Drockchip_i2s_tdm.c1 // SPDX-License-Identifier: GPL-2.0-only
2 // ALSA SoC Audio Layer - Rockchip I2S/TDM Controller driver
5 // Author: Sugar Zhang <sugar.zhang@rock-chips.com>
9 #include <linux/clk-provider.h>
23 #define DRV_NAME "rockchip-i2s-tdm"
91 clk_disable_unprepare(i2s_tdm->mclk_tx); in i2s_tdm_disable_unprepare_mclk()
92 clk_disable_unprepare(i2s_tdm->mclk_rx); in i2s_tdm_disable_unprepare_mclk()
96 * i2s_tdm_prepare_enable_mclk - prepare to enable all mclks, disable them on
109 ret = clk_prepare_enable(i2s_tdm->mclk_tx); in i2s_tdm_prepare_enable_mclk()
112 ret = clk_prepare_enable(i2s_tdm->mclk_rx); in i2s_tdm_prepare_enable_mclk()
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/linux-6.12.1/sound/soc/bcm/
Dbcm63xx-i2s-whistler.c1 // SPDX-License-Identifier: GPL-2.0-or-later
2 // linux/sound/bcm/bcm63xx-i2s-whistler.c
3 // BCM63xx whistler i2s driver
5 // Author: Kevin-Ke Li <kevin-ke.li@broadcom.com>
8 #include <linux/dma-mapping.h>
14 #include "bcm63xx-i2s.h"
16 #define DRV_NAME "brcm-i2s"
81 ret = clk_set_rate(i2s_priv->i2s_clk, params_rate(params)); in bcm63xx_i2s_hw_params()
83 dev_err(i2s_priv->dev, in bcm63xx_i2s_hw_params()
94 struct regmap *regmap_i2s = i2s_priv->regmap_i2s; in bcm63xx_i2s_startup()
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/linux-6.12.1/sound/soc/cirrus/
Dep93xx-i2s.c1 // SPDX-License-Identifier: GPL-2.0-only
3 * linux/sound/soc/ep93xx-i2s.c
4 * EP93xx I2S driver
29 #include "ep93xx-pcm.h"
59 * 0 - Generate interrupt when FIFO is half empty
60 * 1 - Generate interrupt when FIFO is empty
77 void __iomem *regs; member
85 __raw_writel(val, info->regs + reg); in ep93xx_i2s_write_reg()
91 return __raw_readl(info->regs + reg); in ep93xx_i2s_read_reg()
101 clk_prepare_enable(info->mclk); in ep93xx_i2s_enable()
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/linux-6.12.1/sound/soc/sunxi/
Dsun4i-i2s.c1 // SPDX-License-Identifier: GPL-2.0-or-later
7 * Maxime Ripard <maxime.ripard@free-electrons.com>
22 #include <sound/soc-dai.h>
85 #define SUN4I_I2S_CHAN_SEL(num_chan) (((num_chan) - 1) << 0)
93 /* Defines required for sun8i-h3 support */
106 #define SUN8I_I2S_FMT0_LRCK_PERIOD(period) ((period - 1) << 8)
119 #define SUN8I_I2S_CHAN_CFG_RX_SLOT_NUM(chan) ((chan - 1) << 4)
121 #define SUN8I_I2S_CHAN_CFG_TX_SLOT_NUM(chan) (chan - 1)
128 #define SUN8I_I2S_TX_CHAN_EN(num_chan) (((1 << num_chan) - 1) << 4)
133 /* Defines required for sun50i-h6 support */
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/linux-6.12.1/arch/arm/mach-s3c/
Dpl080.c1 // SPDX-License-Identifier: GPL-2.0
3 // Samsung's S3C64XX generic DMA support using amba-pl08x driver.
17 #include "regs-sys-s3c64xx.h"
21 return cd->min_signal; in pl08x_get_xfer_signal()
117 { "s3c6400-uart.0", "tx", &s3c64xx_dma0_info[0] },
118 { "s3c6400-uart.0", "rx", &s3c64xx_dma0_info[1] },
119 { "s3c6400-uart.1", "tx", &s3c64xx_dma0_info[2] },
120 { "s3c6400-uart.1", "rx", &s3c64xx_dma0_info[3] },
121 { "s3c6400-uart.2", "tx", &s3c64xx_dma0_info[4] },
122 { "s3c6400-uart.2", "rx", &s3c64xx_dma0_info[5] },
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/linux-6.12.1/arch/arm/boot/dts/marvell/
Darmada-388-db.dts1 // SPDX-License-Identifier: (GPL-2.0+ OR MIT)
4 * (DB-88F6820)
8 * Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
11 /dts-v1/;
12 #include "armada-388.dtsi"
16 compatible = "marvell,a385-db", "marvell,armada388",
20 stdout-path = "serial0:115200n8";
35 internal-regs {
38 clock-frequency = <100000>;
39 audio_codec: audio-codec@4a {
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Darmada-370-db.dts1 // SPDX-License-Identifier: (GPL-2.0+ OR MIT)
4 * (DB-88F6710-BP-DDR3)
9 * Gregory CLEMENT <gregory.clement@free-electrons.com>
10 * Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
15 * DT-capable, U-Boot bootloaders provided by Marvell. Some earlier
22 /dts-v1/;
23 #include "armada-370.dtsi"
27 compatible = "marvell,a370-db", "marvell,armada370", "marvell,armada-370-xp";
30 stdout-path = "serial0:115200n8";
43 internal-regs {
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/linux-6.12.1/sound/soc/kirkwood/
Dkirkwood-i2s.c1 // SPDX-License-Identifier: GPL-2.0-or-later
3 * kirkwood-i2s.c
6 * (c) 2010 Arnaud Patard <arnaud.patard@rtp-net.org>
20 #include <linux/platform_data/asoc-kirkwood.h>
34 /* These registers are relative to the second register region -
56 struct device_node *np = pdev->dev.of_node; in armada_38x_i2s_init_quirk()
60 priv->pll_config = devm_platform_ioremap_resource_byname(pdev, "pll_regs"); in armada_38x_i2s_init_quirk()
61 if (IS_ERR(priv->pll_config)) in armada_38x_i2s_init_quirk()
62 return -ENOMEM; in armada_38x_i2s_init_quirk()
64 priv->soc_control = devm_platform_ioremap_resource_byname(pdev, "soc_ctrl"); in armada_38x_i2s_init_quirk()
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