/* * ALSA Soc PCM3008 codec support * * Author: Hugo Villeneuve * Copyright (C) 2008 Lyrtech inc * * Based on AC97 Soc codec, original copyright follow: * Copyright 2005 Wolfson Microelectronics PLC. * * This program is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License as published by the * Free Software Foundation; either version 2 of the License, or (at your * option) any later version. * * Generic PCM3008 support. */ #include #include #include #include #include #include #include #include #include #include #include "pcm3008.h" static int pcm3008_dac_ev(struct snd_soc_dapm_widget *w, struct snd_kcontrol *kcontrol, int event) { struct snd_soc_codec *codec = snd_soc_dapm_to_codec(w->dapm); struct pcm3008_setup_data *setup = codec->dev->platform_data; gpio_set_value_cansleep(setup->pdda_pin, SND_SOC_DAPM_EVENT_ON(event)); return 0; } static int pcm3008_adc_ev(struct snd_soc_dapm_widget *w, struct snd_kcontrol *kcontrol, int event) { struct snd_soc_codec *codec = snd_soc_dapm_to_codec(w->dapm); struct pcm3008_setup_data *setup = codec->dev->platform_data; gpio_set_value_cansleep(setup->pdad_pin, SND_SOC_DAPM_EVENT_ON(event)); return 0; } static const struct snd_soc_dapm_widget pcm3008_dapm_widgets[] = { SND_SOC_DAPM_INPUT("VINL"), SND_SOC_DAPM_INPUT("VINR"), SND_SOC_DAPM_DAC_E("DAC", NULL, SND_SOC_NOPM, 0, 0, pcm3008_dac_ev, SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD), SND_SOC_DAPM_ADC_E("ADC", NULL, SND_SOC_NOPM, 0, 0, pcm3008_adc_ev, SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD), SND_SOC_DAPM_OUTPUT("VOUTL"), SND_SOC_DAPM_OUTPUT("VOUTR"), }; static const struct snd_soc_dapm_route pcm3008_dapm_routes[] = { { "PCM3008 Capture", NULL, "ADC" }, { "ADC", NULL, "VINL" }, { "ADC", NULL, "VINR" }, { "DAC", NULL, "PCM3008 Playback" }, { "VOUTL", NULL, "DAC" }, { "VOUTR", NULL, "DAC" }, }; #define PCM3008_RATES (SNDRV_PCM_RATE_32000 | SNDRV_PCM_RATE_44100 | \ SNDRV_PCM_RATE_48000) static struct snd_soc_dai_driver pcm3008_dai = { .name = "pcm3008-hifi", .playback = { .stream_name = "PCM3008 Playback", .channels_min = 1, .channels_max = 2, .rates = PCM3008_RATES, .formats = SNDRV_PCM_FMTBIT_S16_LE, }, .capture = { .stream_name = "PCM3008 Capture", .channels_min = 1, .channels_max = 2, .rates = PCM3008_RATES, .formats = SNDRV_PCM_FMTBIT_S16_LE, }, }; static struct snd_soc_codec_driver soc_codec_dev_pcm3008 = { .component_driver = { .dapm_widgets = pcm3008_dapm_widgets, .num_dapm_widgets = ARRAY_SIZE(pcm3008_dapm_widgets), .dapm_routes = pcm3008_dapm_routes, .num_dapm_routes = ARRAY_SIZE(pcm3008_dapm_routes), }, }; static int pcm3008_codec_probe(struct platform_device *pdev) { struct pcm3008_setup_data *setup = pdev->dev.platform_data; int ret; if (!setup) return -EINVAL; /* DEM1 DEM0 DE-EMPHASIS_MODE * Low Low De-emphasis 44.1 kHz ON * Low High De-emphasis OFF * High Low De-emphasis 48 kHz ON * High High De-emphasis 32 kHz ON */ /* Configure DEM0 GPIO (turning OFF DAC De-emphasis). */ ret = devm_gpio_request_one(&pdev->dev, setup->dem0_pin, GPIOF_OUT_INIT_HIGH, "codec_dem0"); if (ret != 0) return ret; /* Configure DEM1 GPIO (turning OFF DAC De-emphasis). */ ret = devm_gpio_request_one(&pdev->dev, setup->dem1_pin, GPIOF_OUT_INIT_LOW, "codec_dem1"); if (ret != 0) return ret; /* Configure PDAD GPIO. */ ret = devm_gpio_request_one(&pdev->dev, setup->pdad_pin, GPIOF_OUT_INIT_LOW, "codec_pdad"); if (ret != 0) return ret; /* Configure PDDA GPIO. */ ret = devm_gpio_request_one(&pdev->dev, setup->pdda_pin, GPIOF_OUT_INIT_LOW, "codec_pdda"); if (ret != 0) return ret; return snd_soc_register_codec(&pdev->dev, &soc_codec_dev_pcm3008, &pcm3008_dai, 1); } static int pcm3008_codec_remove(struct platform_device *pdev) { snd_soc_unregister_codec(&pdev->dev); return 0; } MODULE_ALIAS("platform:pcm3008-codec"); static struct platform_driver pcm3008_codec_driver = { .probe = pcm3008_codec_probe, .remove = pcm3008_codec_remove, .driver = { .name = "pcm3008-codec", }, }; module_platform_driver(pcm3008_codec_driver); MODULE_DESCRIPTION("Soc PCM3008 driver"); MODULE_AUTHOR("Hugo Villeneuve"); MODULE_LICENSE("GPL"); 15'>15space:mode:
authorLinus Torvalds <torvalds@linux-foundation.org>2017-01-24 16:54:39 -0800
committerLinus Torvalds <torvalds@linux-foundation.org>2017-01-24 16:54:39 -0800
commit883af14e67e8b8702b5560aa64c888c0cd0bd66c (patch)
tree74e3a6b53f5fad9f7848ab1b9f6921b7012940a4 /include/dt-bindings/interrupt-controller/irq.h
parent0263d4ebd94b36280608e296cba39b924b6e832b (diff)
parentaab45453ff5c77200c6da4ac909f7a4392aed17e (diff)
Merge branch 'akpm' (patches from Andrew)
Merge fixes from Andrew Morton: "26 fixes" * emailed patches from Andrew Morton <akpm@linux-foundation.org>: (26 commits) MAINTAINERS: add Dan Streetman to zbud maintainers MAINTAINERS: add Dan Streetman to zswap maintainers mm: do not export ioremap_page_range symbol for external module mn10300: fix build error of missing fpu_save() romfs: use different way to generate fsid for BLOCK or MTD frv: add missing atomic64 operations mm, page_alloc: fix premature OOM when racing with cpuset mems update mm, page_alloc: move cpuset seqcount checking to slowpath mm, page_alloc: fix fast-path race with cpuset update or removal mm, page_alloc: fix check for NULL preferred_zone kernel/panic.c: add missing \n fbdev: color map copying bounds checking frv: add atomic64_add_unless() mm/mempolicy.c: do not put mempolicy before using its nodemask radix-tree: fix private list warnings Documentation/filesystems/proc.txt: add VmPin mm, memcg: do not retry precharge charges proc: add a schedule point in proc_pid_readdir() mm: alloc_contig: re-allow CMA to compact FS pages mm/slub.c: trace free objects at KERN_INFO ...
Diffstat (limited to 'include/dt-bindings/interrupt-controller/irq.h')