diff options
Diffstat (limited to 'sound/soc/pxa/z2.c')
| -rw-r--r-- | sound/soc/pxa/z2.c | 218 |
1 files changed, 0 insertions, 218 deletions
diff --git a/sound/soc/pxa/z2.c b/sound/soc/pxa/z2.c deleted file mode 100644 index 020dcce1df1f..000000000000 --- a/sound/soc/pxa/z2.c +++ /dev/null @@ -1,218 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0-only -/* - * linux/sound/soc/pxa/z2.c - * - * SoC Audio driver for Aeronix Zipit Z2 - * - * Copyright (C) 2009 Ken McGuire <kenm@desertweyr.com> - * Copyright (C) 2010 Marek Vasut <marek.vasut@gmail.com> - */ - -#include <linux/module.h> -#include <linux/moduleparam.h> -#include <linux/timer.h> -#include <linux/interrupt.h> -#include <linux/platform_device.h> -#include <linux/gpio/consumer.h> - -#include <sound/core.h> -#include <sound/pcm.h> -#include <sound/soc.h> -#include <sound/jack.h> - -#include <asm/mach-types.h> -#include <linux/platform_data/asoc-pxa.h> - -#include "../codecs/wm8750.h" -#include "pxa2xx-i2s.h" - -static struct snd_soc_card snd_soc_z2; - -static int z2_hw_params(struct snd_pcm_substream *substream, - struct snd_pcm_hw_params *params) -{ - struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream); - struct snd_soc_dai *codec_dai = asoc_rtd_to_codec(rtd, 0); - struct snd_soc_dai *cpu_dai = asoc_rtd_to_cpu(rtd, 0); - unsigned int clk = 0; - int ret = 0; - - switch (params_rate(params)) { - case 8000: - case 16000: - case 48000: - case 96000: - clk = 12288000; - break; - case 11025: - case 22050: - case 44100: - clk = 11289600; - break; - } - - /* set the codec system clock for DAC and ADC */ - ret = snd_soc_dai_set_sysclk(codec_dai, WM8750_SYSCLK, clk, - SND_SOC_CLOCK_IN); - if (ret < 0) - return ret; - - /* set the I2S system clock as input (unused) */ - ret = snd_soc_dai_set_sysclk(cpu_dai, PXA2XX_I2S_SYSCLK, 0, - SND_SOC_CLOCK_IN); - if (ret < 0) - return ret; - - return 0; -} - -static struct snd_soc_jack hs_jack; - -/* Headset jack detection DAPM pins */ -static struct snd_soc_jack_pin hs_jack_pins[] = { - { - .pin = "Mic Jack", - .mask = SND_JACK_MICROPHONE, - }, - { - .pin = "Headphone Jack", - .mask = SND_JACK_HEADPHONE, - }, - { - .pin = "Ext Spk", - .mask = SND_JACK_HEADPHONE, - .invert = 1 - }, -}; - -/* Headset jack detection gpios */ -static struct snd_soc_jack_gpio hs_jack_gpios[] = { - { - .name = "hsdet-gpio", - .report = SND_JACK_HEADSET, - .debounce_time = 200, - .invert = 1, - }, -}; - -/* z2 machine dapm widgets */ -static const struct snd_soc_dapm_widget wm8750_dapm_widgets[] = { - SND_SOC_DAPM_HP("Headphone Jack", NULL), - SND_SOC_DAPM_MIC("Mic Jack", NULL), - SND_SOC_DAPM_SPK("Ext Spk", NULL), - - /* headset is a mic and mono headphone */ - SND_SOC_DAPM_HP("Headset Jack", NULL), -}; - -/* Z2 machine audio_map */ -static const struct snd_soc_dapm_route z2_audio_map[] = { - - /* headphone connected to LOUT1, ROUT1 */ - {"Headphone Jack", NULL, "LOUT1"}, - {"Headphone Jack", NULL, "ROUT1"}, - - /* ext speaker connected to LOUT2, ROUT2 */ - {"Ext Spk", NULL, "ROUT2"}, - {"Ext Spk", NULL, "LOUT2"}, - - /* mic is connected to R input 2 - with bias */ - {"RINPUT2", NULL, "Mic Bias"}, - {"Mic Bias", NULL, "Mic Jack"}, -}; - -/* - * Logic for a wm8750 as connected on a Z2 Device - */ -static int z2_wm8750_init(struct snd_soc_pcm_runtime *rtd) -{ - int ret; - - /* Jack detection API stuff */ - ret = snd_soc_card_jack_new_pins(rtd->card, "Headset Jack", - SND_JACK_HEADSET, &hs_jack, - hs_jack_pins, - ARRAY_SIZE(hs_jack_pins)); - if (ret) - goto err; - - ret = snd_soc_jack_add_gpios(&hs_jack, ARRAY_SIZE(hs_jack_gpios), - hs_jack_gpios); - if (ret) - goto err; - - return 0; - -err: - return ret; -} - -static const struct snd_soc_ops z2_ops = { - .hw_params = z2_hw_params, -}; - -/* z2 digital audio interface glue - connects codec <--> CPU */ -SND_SOC_DAILINK_DEFS(wm8750, - DAILINK_COMP_ARRAY(COMP_CPU("pxa2xx-i2s")), - DAILINK_COMP_ARRAY(COMP_CODEC("wm8750.0-001b", "wm8750-hifi")), - DAILINK_COMP_ARRAY(COMP_PLATFORM("pxa-pcm-audio"))); - -static struct snd_soc_dai_link z2_dai = { - .name = "wm8750", - .stream_name = "WM8750", - .init = z2_wm8750_init, - .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF | - SND_SOC_DAIFMT_CBS_CFS, - .ops = &z2_ops, - SND_SOC_DAILINK_REG(wm8750), -}; - -/* z2 audio machine driver */ -static struct snd_soc_card snd_soc_z2 = { - .name = "Z2", - .owner = THIS_MODULE, - .dai_link = &z2_dai, - .num_links = 1, - - .dapm_widgets = wm8750_dapm_widgets, - .num_dapm_widgets = ARRAY_SIZE(wm8750_dapm_widgets), - .dapm_routes = z2_audio_map, - .num_dapm_routes = ARRAY_SIZE(z2_audio_map), - .fully_routed = true, -}; - -static struct platform_device *z2_snd_device; - -static int __init z2_init(void) -{ - int ret; - - if (!machine_is_zipit2()) - return -ENODEV; - - z2_snd_device = platform_device_alloc("soc-audio", -1); - if (!z2_snd_device) - return -ENOMEM; - - hs_jack_gpios[0].gpiod_dev = &z2_snd_device->dev; - platform_set_drvdata(z2_snd_device, &snd_soc_z2); - ret = platform_device_add(z2_snd_device); - - if (ret) - platform_device_put(z2_snd_device); - - return ret; -} - -static void __exit z2_exit(void) -{ - platform_device_unregister(z2_snd_device); -} - -module_init(z2_init); -module_exit(z2_exit); - -MODULE_AUTHOR("Ken McGuire <kenm@desertweyr.com>, " - "Marek Vasut <marek.vasut@gmail.com>"); -MODULE_DESCRIPTION("ALSA SoC ZipitZ2"); -MODULE_LICENSE("GPL"); |