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/linux-6.14.4/Documentation/sound/cards/
Dcmipci.rst2 Brief Notes on C-Media 8338/8738/8768/8770 Driver
8 Front/Rear Multi-channel Playback
9 ---------------------------------
13 DACs, both streams are handled independently unlike the 4/6ch multi-
18 (hw:0,1) is assigned to the second DAC for rear playback.
22 - The first DAC supports U8 and S16LE formats, while the second DAC
23 supports only S16LE.
24 - The second DAC supports only two channel stereo.
26 Please note that the CM8x38 DAC doesn't support continuous playback
27 rate but only fixed rates: 5512, 8000, 11025, 16000, 22050, 32000,
[all …]
Demu-mixer.rst2 E-MU Digital Audio System mixer / default DSP code
5 This document covers the E-MU 0404/1010/1212/1616/1820 PCI/PCI-e/CardBus
9 alternative front-end geared towards semi-professional studio recording.
11 This document is based on audigy-mixer.rst.
20 This is the case on more modern motherboards, where the PCI bus is only a
22 In particular, I got recording glitches during simultaneous playback on an
33 This driver supports only 16-bit 44.1/48 kHz operation. The multi-channel
34 device (see emu10k1-jack.rst) additionally supports 24-bit capture.
37 <https://github.com/ossilator/linux/tree/ossis-emu10k1>`_.
38 Its multi-channel device supports 24-bit for both playback and capture,
[all …]
Daudigy-mixer.rst5 This is based on sb-live-mixer.rst.
20 functionality. Only the default built-in code in the ALSA driver is described
34 one-way three wire serial bus for digital sound by Philips Semiconductors
42 FX-bus
47 name='PCM Front Playback Volume',index=0
48 ----------------------------------------
49 This control is used to attenuate samples from left and right front PCM FX-bus
51 samples for 5.1 playback. The result samples are forwarded to the front speakers.
53 name='PCM Surround Playback Volume',index=0
54 -------------------------------------------
[all …]
/linux-6.14.4/Documentation/sound/designs/
Dtimestamping.rst7 - Trigger_tstamp is the system time snapshot taken when the .trigger
10 capabilities or conversely may only be able to provide a correct
11 estimate with a delay. In the latter two cases, the low-level driver
17 - tstamp is the current system timestamp updated during the last
19 The difference (tstamp - trigger_tstamp) defines the elapsed time.
29 - ``avail`` reports how much can be written in the ring buffer
30 - ``delay`` reports the time it will take to hear a new sample after all
43 ascii-art, this could be represented as follows (for the playback
47 --------------------------------------------------------------> time
53 |< codec delay >|<--hw delay-->|<queued samples>|<---avail->|
[all …]
Doss-emulation.rst2 Notes on Kernel OSS-Emulation
13 as add-on kernel modules, snd-pcm-oss, snd-mixer-oss and snd-seq-oss.
18 is called. The alias is defined ``sound-service-x-y``, where x and y are
22 Only necessary step for auto-loading of OSS modules is to define the
25 alias sound-slot-0 snd-emu10k1
27 As the second card, define ``sound-slot-1`` as well.
29 ``alias sound-slot-0 snd-card-0`` doesn't work any more like the old
37 Please note that the devices listed in this proc file appear only
38 after the corresponding OSS-emulation module is loaded. Don't worry
71 /dev/dsp2, but only /dev/dsp0 and /dev/adsp0.
[all …]
Dcontrol-names.rst8 ---------------
16 Playback one direction
18 Bypass Playback one direction
68 Headset Mic mic part of combined headset jack - 4-pin
70 Headphone Mic mic part of either/or - 3-pin headphone or mic
71 Line input only, use "Line Out" for output
79 Analog Loopback D/A -> A/D loopback
80 Digital Loopback playback -> capture loopback -
91 SPDIF output only
98 -----------------------
[all …]
/linux-6.14.4/sound/soc/codecs/
Dad1980.c1 // SPDX-License-Identifier: GPL-2.0-or-later
3 * ad1980.c -- ALSA Soc AD1980 codec support
112 SOC_DOUBLE("Master Playback Volume", AC97_MASTER, 8, 0, 31, 1),
113 SOC_SINGLE("Master Playback Switch", AC97_MASTER, 15, 1, 1),
115 SOC_DOUBLE("Headphone Playback Volume", AC97_HEADPHONE, 8, 0, 31, 1),
116 SOC_SINGLE("Headphone Playback Switch", AC97_HEADPHONE, 15, 1, 1),
118 SOC_DOUBLE("PCM Playback Volume", AC97_PCM, 8, 0, 31, 1),
119 SOC_SINGLE("PCM Playback Switch", AC97_PCM, 15, 1, 1),
124 SOC_SINGLE("Mono Playback Volume", AC97_MASTER_MONO, 0, 31, 1),
125 SOC_SINGLE("Mono Playback Switch", AC97_MASTER_MONO, 15, 1, 1),
[all …]
Dadau1761.c1 // SPDX-License-Identifier: GPL-2.0-or-later
5 * Copyright 2011-2013 Analog Devices Inc.
6 * Author: Lars-Peter Clausen <[email protected]>
125 static const DECLARE_TLV_DB_SCALE(adau1761_sing_in_tlv, -1500, 300, 1);
126 static const DECLARE_TLV_DB_SCALE(adau1761_diff_in_tlv, -1200, 75, 0);
127 static const DECLARE_TLV_DB_SCALE(adau1761_out_tlv, -5700, 100, 0);
128 static const DECLARE_TLV_DB_SCALE(adau1761_sidetone_tlv, -1800, 300, 1);
129 static const DECLARE_TLV_DB_SCALE(adau1761_boost_tlv, -600, 600, 1);
130 static const DECLARE_TLV_DB_SCALE(adau1761_pga_boost_tlv, -2000, 2000, 1);
132 static const DECLARE_TLV_DB_SCALE(adau1761_alc_max_gain_tlv, -1200, 600, 0);
[all …]
Dak4554.c1 // SPDX-License-Identifier: GPL-2.0
15 * ak4554 playback format is SND_SOC_DAIFMT_RIGHT_J,
22 * CPU-DAI1 (plaback only fmt = RIGHT_J) --+-- ak4554
24 * CPU-DAI2 (capture only fmt = LEFT_J) ---+
39 { "AOUTL", NULL, "Playback" },
40 { "AOUTR", NULL, "Playback" },
44 .name = "ak4554-hifi",
45 .playback = {
46 .stream_name = "Playback",
74 return devm_snd_soc_register_component(&pdev->dev, in ak4554_soc_probe()
[all …]
Dwm8350.c1 // SPDX-License-Identifier: GPL-2.0-only
3 * wm8350.c -- WM8350 ALSA SoC audio driver
5 * Copyright (C) 2007-12 Wolfson Microelectronics PLC.
36 /* We only include the analogue supplies here; the digital supplies
77 struct wm8350_output *out1 = &wm8350_data->out1; in wm8350_out1_ramp_step()
78 struct wm8350 *wm8350 = wm8350_data->wm8350; in wm8350_out1_ramp_step()
86 if (out1->ramp == WM8350_RAMP_UP) { in wm8350_out1_ramp_step()
88 if (val < out1->left_vol) { in wm8350_out1_ramp_step()
95 } else if (out1->ramp == WM8350_RAMP_DOWN) { in wm8350_out1_ramp_step()
98 val--; in wm8350_out1_ramp_step()
[all …]
Dak4613.c1 // SPDX-License-Identifier: GPL-2.0
3 // ak4613.c -- Asahi Kasei ALSA Soc Audio driver
14 * +-------+
16 * SDTO1 <-| |
18 * SDTI1 ->| |
19 * SDTI2 ->| |
20 * SDTI3 ->| |
21 * +-------+
23 * +---+
42 * Playback 2ch : SDTI1
[all …]
Dtwl4030.c1 // SPDX-License-Identifier: GPL-2.0-only
28 #include <linux/mfd/twl4030-audio.h>
67 u8 ctl_cache[TWL4030_REG_PRECKR_CTL - TWL4030_REG_EAR_CTL + 1];
79 twl4030->ctl_cache[i - TWL4030_REG_EAR_CTL] = byte; in tw4030_init_ctl_cache()
89 return -EIO; in twl4030_read()
98 value = twl4030->ctl_cache[reg - TWL4030_REG_EAR_CTL]; in twl4030_read()
116 if (twl4030->earpiece_enabled) in twl4030_can_write_to_chip()
120 if (twl4030->predrivel_enabled) in twl4030_can_write_to_chip()
124 if (twl4030->predriver_enabled) in twl4030_can_write_to_chip()
128 if (twl4030->carkitl_enabled) in twl4030_can_write_to_chip()
[all …]
/linux-6.14.4/sound/pci/ice1712/
Dpsc724.c1 // SPDX-License-Identifier: GPL-2.0-or-later
7 * Copyright (c) 2012 Ondrej Zary <linux@rainbow-software.org>
34 * VT1722 (Envy24GT) - 6 outputs, 4 inputs (only 2 used), 24-bit/96kHz
42 * AC-Link configuration ICE_EEP2_ACLINK=0x80
60 * 2-channel DAC used for main output and stereo ADC (with 10-channel MUX)
63 * MODE (pin16) -- GND
64 * CE (pin17) -- GND I2C mode (address=0x34)
65 * DI (pin18) -- SDA (VT1722 pin70)
66 * CL (pin19) -- SCLK (VT1722 pin71)
69 * 6-channel DAC used for rear & center/LFE outputs (only 4 channels used)
[all …]
/linux-6.14.4/sound/soc/renesas/
Drz-ssi.c1 // SPDX-License-Identifier: GPL-2.0
3 // Renesas RZ/G2L ASoC Serial Sound Interface (SSIF-2) Driver
75 #define SSI_RATES SNDRV_PCM_RATE_8000_48000 /* 8k-48kHz */
117 * The SSI supports full-duplex transmission and reception.
120 * So it is better to use as half-duplex (playing and recording
123 struct rz_ssi_stream playback; member
148 writel(data, (priv->base + reg)); in rz_ssi_reg_writel()
153 return readl(priv->base + reg); in rz_ssi_reg_readl()
161 val = readl(priv->base + reg); in rz_ssi_reg_mask_setl()
163 writel(val, (priv->base + reg)); in rz_ssi_reg_mask_setl()
[all …]
Dsiu_dai.c1 // SPDX-License-Identifier: GPL-2.0+
3 // siu_dai.c - ALSA SoC driver for Renesas SH7343, SH7722 SIU peripheral.
5 // Copyright (C) 2009-2010 Guennadi Liakhovetski <[email protected]>
45 * SPDIF is only available on port A and on some SIU implementations it is only
57 struct format_flag playback; member
65 .playback = {
79 .playback = {
82 .spdif = 0, /* impossible - turn off */
88 .spdif = 0, /* impossible - turn off */
97 u32 __iomem *base = info->reg; in siu_dai_start()
[all …]
/linux-6.14.4/include/sound/
Dsoc_sdw_utils.h1 /* SPDX-License-Identifier: GPL-2.0-only */
13 #include <sound/soc-acpi.h>
25 * - 0 - No speaker output
26 * - SOC_SDW_CODEC_SPKR - CODEC internal speaker
27 * - SOC_SDW_SIDECAR_AMPS - 2x Sidecar amplifiers + CODEC internal speaker
28 * - SOC_SDW_CODEC_SPKR | SOF_SIDECAR_AMPS - Not currently supported
33 #define SOC_SDW_UNUSED_DAI_ID -1
47 const bool direction[2]; /* playback & capture support */
58 bool playback);
89 struct device *headset_codec_dev; /* only one headset per card */
[all …]
/linux-6.14.4/sound/soc/fsl/
Dmpc5200_dma.c1 // SPDX-License-Identifier: GPL-2.0-only
10 #include <linux/dma-mapping.h>
33 struct mpc52xx_psc __iomem *regs = psc_dma->psc_regs; in psc_dma_status_irq()
36 isr = in_be16(&regs->mpc52xx_psc_isr); in psc_dma_status_irq()
38 /* Playback underrun error */ in psc_dma_status_irq()
39 if (psc_dma->playback.active && (isr & MPC52xx_PSC_IMR_TXEMP)) in psc_dma_status_irq()
40 psc_dma->stats.underrun_count++; in psc_dma_status_irq()
43 if (psc_dma->capture.active && (isr & MPC52xx_PSC_IMR_ORERR)) in psc_dma_status_irq()
44 psc_dma->stats.overrun_count++; in psc_dma_status_irq()
46 out_8(&regs->command, MPC52xx_PSC_RST_ERR_STAT); in psc_dma_status_irq()
[all …]
/linux-6.14.4/Documentation/devicetree/bindings/sound/
Dfsl,ssi.yaml1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Shengjiu Wang <[email protected]>
13 Notes on fsl,playback-dma and fsl,capture-dma
14 On SOCs that have an SSI, specific DMA channels are hard-wired for playback
16 playback and DMA channel 1 for capture. SSI2 must use DMA channel 2 for
17 playback and DMA channel 3 for capture. The developer can choose which
18 DMA controller to use, but the channels themselves are hard-wired. The
22 "fsl,playback-dma" and "fsl,capture-dma" must be marked as compatible with
[all …]
/linux-6.14.4/sound/pci/emu10k1/
Dp16v.h1 /* SPDX-License-Identifier: GPL-2.0-or-later */
3 * Copyright (c) by James Courtier-Dutton <[email protected]>
11 /* Audigy2 P16V pointer-offset register set, accessed through the PTR2 and DATA2 registers …
25 #define PLAYBACK_LIST_SIZE 0x01 /* Size of list in bytes << 16. E.g. 8 periods -> 0x00380000 */
28 #define PLAYBACK_DMA_ADDR 0x04 /* Playback DMA address */
29 #define PLAYBACK_PERIOD_SIZE 0x05 /* Playback period size. win2000 uses 0x04000000 */
30 #define PLAYBACK_POINTER 0x06 /* Playback period pointer. Used with PLAYBACK_LIST_PTR to determine…
31 #define PLAYBACK_FIFO_END_ADDRESS 0x07 /* Playback FIFO end address */
32 #define PLAYBACK_FIFO_POINTER 0x08 /* Playback FIFO pointer and number of valid sound samples in c…
57 * [9:8] Playback input 0 channel select. 0 = Play output 0.
[all …]
/linux-6.14.4/sound/pci/ca0106/
Dca0106.h1 /* SPDX-License-Identifier: GPL-2.0-or-later */
3 * Copyright (c) 2004 James Courtier-Dutton <[email protected]>
24 …* Enable playback 48000 and 96000 rates. (Rates other that these do not work, even with "plug:f…
28 …* Correct interrupt timing. interrupt at end of period, instead of in the middle of a playback …
34 * playback periods_min=2, periods_max=8
36 * playback hw constraints require period_size = n * 64 bytes.
50 * Implement support for Line-in capture on SB Live 24bit.
73 #define IPR_MIDI_RX_B 0x00020000 /* MIDI UART-B Receive buffer non-empty */
74 #define IPR_MIDI_TX_B 0x00010000 /* MIDI UART-B Transmit buffer empty */
87 #define IPR_MIDI_RX_A 0x00000004 /* MIDI UART-A Receive buffer non-empty */
[all …]
/linux-6.14.4/sound/isa/sb/
Dsb_mixer.c1 // SPDX-License-Identifier: GPL-2.0-or-later
23 dev_dbg(chip->card->dev, "mixer_write 0x%x 0x%x\n", reg, data); in snd_sbmixer_write()
36 dev_dbg(chip->card->dev, "mixer_read 0x%x 0x%x\n", reg, result); in snd_sbmixer_read()
47 int mask = (kcontrol->private_value >> 24) & 0xff; in snd_sbmixer_info_single()
49 uinfo->type = mask == 1 ? SNDRV_CTL_ELEM_TYPE_BOOLEAN : SNDRV_CTL_ELEM_TYPE_INTEGER; in snd_sbmixer_info_single()
50 uinfo->count = 1; in snd_sbmixer_info_single()
51 uinfo->value.integer.min = 0; in snd_sbmixer_info_single()
52 uinfo->value.integer.max = mask; in snd_sbmixer_info_single()
60 int reg = kcontrol->private_value & 0xff; in snd_sbmixer_get_single()
61 int shift = (kcontrol->private_value >> 16) & 0xff; in snd_sbmixer_get_single()
[all …]
/linux-6.14.4/sound/pci/
Dazt3328.h1 /* SPDX-License-Identifier: GPL-2.0 */
5 /* "PU" == "power-up value", as tested on PCI168 PCI rev. 10
9 /* (only 0x70 of 0x80 bytes saved/restored by Windows driver) */
15 * from 0x00 (playback codec), from 0x20 (recording codec)
27 * 0x0001 is the only bit that's able to start the DMA counter */
30 * both 0x0002 and 0x0004 set in playback setup. */
68 * have any hard facts, only rough measurements.
85 …REQ_SUSPECTED_66200 0x06 | SOUNDFORMAT_XTAL2 /* 66200 (13240 * 5); 64000 may have been nicer :-\ */
111 #define IDX_IO_TIMER_VALUE 0x60 /* found this timer area by pure luck :-) */
122 /* some IRQ bit in here might also be used to signal a power-management timer
[all …]
/linux-6.14.4/sound/soc/sof/amd/
Dacp70.c1 // SPDX-License-Identifier: (GPL-2.0-only OR BSD-3-Clause)
18 #include "../sof-audio.h"
20 #include "acp-dsp-offset.h"
31 .name = "acp-sof-hs",
32 .playback = {
45 /* Supporting only stereo for I2S HS controller capture */
55 .name = "acp-sof-bt",
56 .playback = {
69 /* Supporting only stereo for I2S BT controller capture */
79 .name = "acp-sof-sp",
[all …]
Drembrandt.c1 // SPDX-License-Identifier: (GPL-2.0-only OR BSD-3-Clause)
18 #include "../sof-audio.h"
20 #include "acp-dsp-offset.h"
31 .name = "acp-sof-hs",
32 .playback = {
45 /* Supporting only stereo for I2S HS controller capture */
55 .name = "acp-sof-bt",
56 .playback = {
69 /* Supporting only stereo for I2S BT controller capture */
79 .name = "acp-sof-sp",
[all …]
Dacp63.c1 // SPDX-License-Identifier: (GPL-2.0-only OR BSD-3-Clause)
18 #include "../sof-audio.h"
20 #include "acp-dsp-offset.h"
31 .name = "acp-sof-hs",
32 .playback = {
45 /* Supporting only stereo for I2S HS controller capture */
55 .name = "acp-sof-bt",
56 .playback = {
69 /* Supporting only stereo for I2S BT controller capture */
79 .name = "acp-sof-sp",
[all …]

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