| /linux/Documentation/sound/soc/ |
| H A D | codec-to-codec.rst | 2 Creating codec to codec dai link for ALSA dapm
5 Mostly the flow of audio is always from CPU to codec so your system
9 --------- ---------
11 CPU -------> codec
13 --------- ---------
18 ---------
20 codec-2
22 ---------
24 dai-2
26 ---------- ---------
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| H A D | codec.rst | 2 ASoC Codec Class Driver
5 The codec class driver is generic and hardware independent code that configures
6 the codec, FM, MODEM, BT or external DSP to provide audio capture and playback.
11 Each codec class driver *must* provide the following features:-
13 1. Codec DAI and PCM configuration
14 2. Codec control IO - using RegMap API
15 3. Mixers and audio controls
16 4. Codec audio operations
20 Optionally, codec drivers can also provide:-
24 Its probably best to use this guide in conjunction with the existing codec
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| /linux/sound/soc/codecs/ |
| H A D | jz4760.c | 1 // SPDX-License-Identifier: GPL-2.0
3 // Ingenic JZ4760 CODEC driver
18 #include <sound/soc-dai.h>
19 #include <sound/soc-dapm.h>
67 #define REG_AICR_DAC_SERIAL BIT(3)
78 #define REG_CR1_BTL_MUTE_OFFSET 3
88 #define REG_CR3_ADC_INSEL_MASK GENMASK(3, REG_CR3_ADC_INSEL_OFFSET)
95 #define REG_CCR1_CRYSTAL_MASK GENMASK(3, 0)
98 #define REG_CCR2_ADC_FREQ_MASK GENMASK(3, 0)
104 #define REG_PMR1_SB_MIC1_OFFSET 3
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| H A D | jz4770.c | 1 // SPDX-License-Identifier: GPL-2.0
3 // Ingenic JZ4770 CODEC driver
17 #include <sound/soc-dai.h>
18 #include <sound/soc-dapm.h>
101 #define REG_CR_HP_SB_HPCM_OFFSET 3
109 #define REG_CR_DAC_LRSWAP BIT(3)
125 #define REG_CR_ADC_LRSWAP BIT(3)
148 #define REG_IMR_RUP_MASK BIT(3)
157 #define REG_IFR_RUP BIT(3)
177 /* codec private data */
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| /linux/sound/pci/hda/ |
| H A D | hda_eld.c | 1 // SPDX-License-Identifier: GPL-2.0-or-later
29 CEA_EDID_VER_CEA861BCD = 3,
36 "2-reserved",
37 "3-reserved"
44 AUDIO_CODING_TYPE_MPEG1 = 3,
67 AUDIO_CODING_XTYPE_MPEG_SURROUND = 3,
74 /* 2 */ "AC-3",
75 /* 3 */ "MPEG1",
78 /* 6 */ "AAC-LC",
82 /* 10 */ "E-AC-3/DD+ (Dolby Digital Plus)",
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| H A D | patch_ca0132.c | 1 // SPDX-License-Identifier: GPL-2.0-or-later
62 #define MEM_CONNID_MICIN1 3
74 #define DESKTOP_EFX_FILE "ctefx-desktop.bin"
75 #define R3DI_EFX_FILE "ctefx-r3di.bin"
98 static const char *const in_src_str[3] = { "Microphone", "Line In", "Front Microphone" };
99 #define IN_SRC_NUM_OF_INPUTS 3
115 #define VNODES_COUNT (VNODE_END_NID - VNODE_START_NID)
126 #define OUT_EFFECTS_COUNT (OUT_EFFECT_END_NID - OUT_EFFECT_START_NID)
134 #define IN_EFFECTS_COUNT (IN_EFFECT_END_NID - IN_EFFECT_START_NID)
154 #define EFFECTS_COUNT (EFFECT_END_NID - EFFECT_START_NID)
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| H A D | hda_generic.h | 1 /* SPDX-License-Identifier: GPL-2.0-or-later */
3 * Generic BIOS auto-parser helper functions for HD-audio
16 /* table entry for multi-io paths */
18 hda_nid_t pin; /* multi-io widget pin NID */
20 unsigned int ctl_in; /* cached input-pin control value */
25 * For output, stored in the order of DAC -> ... -> pin,
26 * for input, pin -> ... -> ADC.
30 * multi[] indicates whether it's a selector widget with multi-connectors
56 /* mic/line-in auto switching entry */
58 #define MAX_AUTO_MIC_PINS 3
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| H A D | hda_generic.c | 1 // SPDX-License-Identifier: GPL-2.0-or-later
3 * Universal Interface for Intel High Definition Audio Codec
32 * snd_hda_gen_spec_init - initialize hda_gen_spec struct
39 snd_array_init(&spec->kctls, sizeof(struct snd_kcontrol_new), 32); in snd_hda_gen_spec_init()
40 snd_array_init(&spec->paths, sizeof(struct nid_path), 8); in snd_hda_gen_spec_init()
41 snd_array_init(&spec->loopback_list, sizeof(struct hda_amp_list), 8); in snd_hda_gen_spec_init()
42 mutex_init(&spec->pcm_mutex); in snd_hda_gen_spec_init()
48 * snd_hda_gen_add_kctl - Add a new kctl_new struct from the template
62 struct snd_kcontrol_new *knew = snd_array_new(&spec->kctls); in snd_hda_gen_add_kctl()
67 knew->name = kstrdup(name, GFP_KERNEL); in snd_hda_gen_add_kctl()
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| H A D | patch_realtek.c | 1 // SPDX-License-Identifier: GPL-2.0-or-later
3 * Universal Interface for Intel High Definition Audio Codec
38 /* extra amp-initialization sequence types */
86 /* codec parameterization */
114 void (*init_hook)(struct hda_codec *codec);
115 void (*power_hook)(struct hda_codec *codec);
116 void (*shutup)(struct hda_codec *codec);
145 static void coef_mutex_lock(struct hda_codec *codec) in coef_mutex_lock() argument
147 struct alc_spec *spec = codec->spec; in coef_mutex_lock()
149 snd_hda_power_up_pm(codec); in coef_mutex_lock()
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| H A D | patch_hdmi.c | 1 // SPDX-License-Identifier: GPL-2.0-or-later
4 * patch_hdmi.c - routines for HDMI/DisplayPort codecs
6 * Copyright(c) 2008-2010 Intel Corporation
78 struct hda_codec *codec; member
82 struct hdmi_pcm *pcm; /* pointer to spec->pcm_rec[n] dynamically*/
83 int pcm_idx; /* which pcm is attached. -1 means no pcm is attached */
90 bool chmap_set; /* channel-map override by ALSA API? */
91 unsigned char chmap[8]; /* ALSA API channel-map */
99 int (*pin_get_eld)(struct hda_codec *codec, hda_nid_t pin_nid,
102 void (*pin_setup_infoframe)(struct hda_codec *codec, hda_nid_t pin_nid,
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| /linux/Documentation/devicetree/bindings/sound/ |
| H A D | qcom,wcd939x.yaml | 1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: Qualcomm WCD9380/WCD9385 Audio Codec
10 - Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
13 Qualcomm WCD9390/WCD9395 Codec is a standalone Hi-Fi audio codec IC.
15 The WCD9390/WCD9395 IC has a functionally separate USB-C Mux subsystem
17 The Audio Headphone and Microphone data path between the Codec and the USB-C Mux
18 subsystems are external to the IC, thus requiring DT port-endpoint graph description
19 to handle USB-C altmode & orientation switching for Audio Accessory Mode.
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| H A D | qcom,wcd937x.yaml | 1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: Qualcomm WCD9370/WCD9375 Audio Codec
10 - Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
13 Qualcomm WCD9370/WCD9375 Codec is a standalone Hi-Fi audio codec IC.
17 - $ref: dai-common.yaml#
18 - $ref: qcom,wcd93xx-common.yaml#
23 - const: qcom,wcd9370-codec
24 - items:
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| H A D | qcom,wcd938x.yaml | 1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: Qualcomm WCD9380/WCD9385 Audio Codec
10 - Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
13 Qualcomm WCD9380/WCD9385 Codec is a standalone Hi-Fi audio codec IC.
17 - $ref: dai-common.yaml#
18 - $ref: qcom,wcd93xx-common.yaml#
23 - qcom,wcd9380-codec
24 - qcom,wcd9385-codec
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| H A D | amlogic,axg-sound-card.yaml | 1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/sound/amlogic,axg-sound-card.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Jerome Brunet <jbrunet@baylibre.com>
13 - $ref: sound-card-common.yaml#
17 const: amlogic,axg-sound-card
19 audio-aux-devs:
20 $ref: /schemas/types.yaml#/definitions/phandle-array
23 audio-widgets:
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| H A D | rockchip,rk3308-codec.yaml | 1 # SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
3 ---
4 $id: http://devicetree.org/schemas/sound/rockchip,rk3308-codec.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: Rockchip RK3308 Internal Codec
10 This is the audio codec embedded in the Rockchip RK3308
11 SoC. It has 8 24-bit ADCs and 2 24-bit DACs. The maximum supported
17 The RK3308 audio codec has 8 independent capture channels, but some
19 * grp 0 -- MIC1 / MIC2
20 * grp 1 -- MIC3 / MIC4
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| /linux/sound/soc/ti/ |
| H A D | j721e-evm.c | 1 // SPDX-License-Identifier: GPL-2.0
3 * Copyright (C) 2020 Texas Instruments Incorporated - http://www.ti.com
17 #include "davinci-mcasp.h"
21 * CPB: 2 (mcasp10 + codec)
22 * IVI: 3 (mcasp0 + 2x codec)
65 struct j721e_audio_clocks codec; member
92 SND_SOC_DAPM_HP("CPB Stereo HP 3", NULL),
100 {"CPB Stereo HP 1", NULL, "codec-1 AOUT1L"},
101 {"CPB Stereo HP 1", NULL, "codec-1 AOUT1R"},
102 {"CPB Stereo HP 2", NULL, "codec-1 AOUT2L"},
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| /linux/sound/arm/ |
| H A D | pxa2xx-ac97-regs.h | 1 /* SPDX-License-Identifier: GPL-2.0 */
10 #define POCR_FEIE (1 << 3) /* FIFO Error Interrupt Enable */
14 #define PICR_FEIE (1 << 3) /* FIFO Error Interrupt Enable */
18 #define MCCR_FEIE (1 << 3) /* FIFO Error Interrupt Enable */
32 #define GCR_ACLINK_OFF (1 << 3) /* AC-link Shut Off */
35 #define GCR_GIE (1 << 0) /* Codec GPI Interrupt Enable */
43 #define PISR_EOC (1 << 3) /* DMA End-of-Chain (exclusive clear) */
48 #define MCSR_EOC (1 << 3) /* DMA End-of-Chain (exclusive clear) */
55 #define GSR_BIT3SLT12 (1 << 14) /* Bit 3 of slot 12 */
60 #define GSR_SCR (1 << 9) /* Secondary Codec Ready */
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| /linux/drivers/media/pci/zoran/ |
| H A D | zr36050.c | 1 // SPDX-License-Identifier: GPL-2.0-or-later
22 /* codec io API */
37 * read/write via codec layer (registers are located in the master device)
43 struct zoran *zr = videocodec_to_zoran(ptr->codec); in zr36050_read()
47 if (ptr->codec->master_data->readreg) in zr36050_read()
48 value = (ptr->codec->master_data->readreg(ptr->codec, reg)) & 0xFF; in zr36050_read()
50 zrdev_err(zr, "%s: invalid I/O setup, nothing read!\n", ptr->name); in zr36050_read()
52 zrdev_dbg(zr, "%s: reading from 0x%04x: %02x\n", ptr->name, reg, value); in zr36050_read()
59 struct zoran *zr = videocodec_to_zoran(ptr->codec); in zr36050_write()
61 zrdev_dbg(zr, "%s: writing 0x%02x to 0x%04x\n", ptr->name, value, reg); in zr36050_write()
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| H A D | zr36060.c | 1 // SPDX-License-Identifier: GPL-2.0-or-later
22 /* codec io API */
37 * read/write via codec layer (registers are located in the master device)
44 struct zoran *zr = videocodec_to_zoran(ptr->codec); in zr36060_read()
47 if (ptr->codec->master_data->readreg) in zr36060_read()
48 value = (ptr->codec->master_data->readreg(ptr->codec, reg)) & 0xff; in zr36060_read()
50 zrdev_err(zr, "%s: invalid I/O setup, nothing read!\n", ptr->name); in zr36060_read()
57 struct zoran *zr = videocodec_to_zoran(ptr->codec); in zr36060_write()
62 if (ptr->codec->master_data->writereg) in zr36060_write()
63 ptr->codec->master_data->writereg(ptr->codec, reg, value); in zr36060_write()
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| /linux/sound/pci/ac97/ |
| H A D | ac97_pcm.c | 1 // SPDX-License-Identifier: GPL-2.0-or-later
4 * Universal interface for Audio Codec '97
33 /* 3&4 front, 7&8 rear, 6&9 center/lfe */
34 AC97_PCM_FRONT_DAC_RATE, /* slot 3 */
46 0xff, /* slot 3 */
57 /* 6&9 front, 10&11 rear, 3&4 center/lfe */
58 AC97_PCM_LFE_DAC_RATE, /* slot 3 */
69 /* 10&11 front, 3&4 rear, 7&8 center/lfe */
70 AC97_PCM_SURR_DAC_RATE, /* slot 3 */
84 /* 3&4 front, 7&8 front (t+1) */
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| /linux/sound/pci/ |
| H A D | azt3328.c | 1 // SPDX-License-Identifier: GPL-2.0-or-later
2 /* azt3328.c - driver for Aztech AZF3328 based soundcards (e.g. PCI168).
3 * Copyright (C) 2002, 2005 - 2011 by Andreas Mohr <andi AT lisas.de>
7 * found in a Fujitsu-Siemens PC ("Cordant", aluminum case).
13 * Keywords: Windows XP Vista 168nt4-125.zip 168win95-125.zip PCI 168 download
17 * despite the high level of Internet ignorance - as usual :-P -
18 * about very good support for this card - on Linux!)
25 * in the first place >:-P}),
27 * (3 weeks' worth of evenings filled with driver work).
34 * for compatibility reasons) from Azfin (joint-venture of Aztech and Fincitec,
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| /linux/Documentation/devicetree/bindings/pinctrl/ |
| H A D | cirrus,lochnagar.yaml | 1 # SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
3 ---
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - patches@opensource.cirrus.com
14 Smart CODEC and Amp devices. It allows the connection of most Cirrus
15 Logic devices on mini-cards, as well as allowing connection of various
26 [2] Pinctrl: ../pinctrl/pinctrl-bindings.txt
29 [3] include/dt-bindings/pinctrl/lochnagar.h
37 - cirrus,lochnagar-pinctrl
39 gpio-controller: true
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| /linux/Documentation/devicetree/bindings/net/ |
| H A D | lantiq,pef2256.yaml | 1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Herve Codina <herve.codina@bootlin.com>
20 - const: lantiq,pef2256
27 - description: Master Clock
28 - description: System Clock Receive
29 - description: System Clock Transmit
31 clock-names:
33 - const: mclk
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| /linux/drivers/media/platform/qcom/venus/ |
| H A D | hfi_platform_v4.c | 1 // SPDX-License-Identifier: GPL-2.0-only
9 .codec = HFI_VIDEO_CODEC_H264,
15 .caps[3] = {HFI_CAPABILITY_BITRATE, 1, 120000000, 1},
21 .caps[9] = {HFI_CAPABILITY_MAX_WORKMODES, 1, 3, 1},
26 .pl[3] = {HFI_H264_PROFILE_CONSTRAINED_BASE, HFI_H264_LEVEL_52},
32 .fmts[3] = {HFI_BUFFER_OUTPUT2, HFI_COLOR_FORMAT_NV21},
35 .codec = HFI_VIDEO_CODEC_HEVC,
41 .caps[3] = {HFI_CAPABILITY_BITRATE, 1, 120000000, 1},
47 .caps[9] = {HFI_CAPABILITY_MAX_WORKMODES, 1, 3, 1},
55 .fmts[3] = {HFI_BUFFER_OUTPUT2, HFI_COLOR_FORMAT_NV12},
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| /linux/sound/pci/ali5451/ |
| H A D | ali5451.c | 1 // SPDX-License-Identifier: GPL-2.0-or-later
8 * --
11 * --
21 #include <linux/dma-mapping.h>
141 #define ALI_REG(codec, x) ((codec)->port + x) argument
180 struct snd_ali *codec; member
185 int count; /* runtime->period_size */
187 /* --- */
264 static inline unsigned int snd_ali_5451_peek(struct snd_ali *codec, in snd_ali_5451_peek() argument
267 return (unsigned int)inl(ALI_REG(codec, port)); in snd_ali_5451_peek()
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