diff options
Diffstat (limited to 'sound/soc/fsl/wm1133-ev1.c')
| -rw-r--r-- | sound/soc/fsl/wm1133-ev1.c | 289 |
1 files changed, 0 insertions, 289 deletions
diff --git a/sound/soc/fsl/wm1133-ev1.c b/sound/soc/fsl/wm1133-ev1.c deleted file mode 100644 index 99611a037ada..000000000000 --- a/sound/soc/fsl/wm1133-ev1.c +++ /dev/null @@ -1,289 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0+ -// -// wm1133-ev1.c - Audio for WM1133-EV1 on i.MX31ADS -// -// Copyright (c) 2010 Wolfson Microelectronics plc -// Author: Mark Brown <broonie@opensource.wolfsonmicro.com> -// -// Based on an earlier driver for the same hardware by Liam Girdwood. - -#include <linux/platform_device.h> -#include <linux/clk.h> -#include <linux/module.h> -#include <sound/core.h> -#include <sound/jack.h> -#include <sound/pcm.h> -#include <sound/pcm_params.h> -#include <sound/soc.h> - -#include "imx-ssi.h" -#include "../codecs/wm8350.h" -#include "imx-audmux.h" - -/* There is a silicon mic on the board optionally connected via a solder pad - * SP1. Define this to enable it. - */ -#undef USE_SIMIC - -struct _wm8350_audio { - unsigned int channels; - snd_pcm_format_t format; - unsigned int rate; - unsigned int sysclk; - unsigned int bclkdiv; - unsigned int clkdiv; - unsigned int lr_rate; -}; - -/* in order of power consumption per rate (lowest first) */ -static const struct _wm8350_audio wm8350_audio[] = { - /* 16bit mono modes */ - {1, SNDRV_PCM_FORMAT_S16_LE, 8000, 12288000 >> 1, - WM8350_BCLK_DIV_48, WM8350_DACDIV_3, 16,}, - - /* 16 bit stereo modes */ - {2, SNDRV_PCM_FORMAT_S16_LE, 8000, 12288000, - WM8350_BCLK_DIV_48, WM8350_DACDIV_6, 32,}, - {2, SNDRV_PCM_FORMAT_S16_LE, 16000, 12288000, - WM8350_BCLK_DIV_24, WM8350_DACDIV_3, 32,}, - {2, SNDRV_PCM_FORMAT_S16_LE, 32000, 12288000, - WM8350_BCLK_DIV_12, WM8350_DACDIV_1_5, 32,}, - {2, SNDRV_PCM_FORMAT_S16_LE, 48000, 12288000, - WM8350_BCLK_DIV_8, WM8350_DACDIV_1, 32,}, - {2, SNDRV_PCM_FORMAT_S16_LE, 96000, 24576000, - WM8350_BCLK_DIV_8, WM8350_DACDIV_1, 32,}, - {2, SNDRV_PCM_FORMAT_S16_LE, 11025, 11289600, - WM8350_BCLK_DIV_32, WM8350_DACDIV_4, 32,}, - {2, SNDRV_PCM_FORMAT_S16_LE, 22050, 11289600, - WM8350_BCLK_DIV_16, WM8350_DACDIV_2, 32,}, - {2, SNDRV_PCM_FORMAT_S16_LE, 44100, 11289600, - WM8350_BCLK_DIV_8, WM8350_DACDIV_1, 32,}, - {2, SNDRV_PCM_FORMAT_S16_LE, 88200, 22579200, - WM8350_BCLK_DIV_8, WM8350_DACDIV_1, 32,}, - - /* 24bit stereo modes */ - {2, SNDRV_PCM_FORMAT_S24_LE, 48000, 12288000, - WM8350_BCLK_DIV_4, WM8350_DACDIV_1, 64,}, - {2, SNDRV_PCM_FORMAT_S24_LE, 96000, 24576000, - WM8350_BCLK_DIV_4, WM8350_DACDIV_1, 64,}, - {2, SNDRV_PCM_FORMAT_S24_LE, 44100, 11289600, - WM8350_BCLK_DIV_4, WM8350_DACDIV_1, 64,}, - {2, SNDRV_PCM_FORMAT_S24_LE, 88200, 22579200, - WM8350_BCLK_DIV_4, WM8350_DACDIV_1, 64,}, -}; - -static int wm1133_ev1_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); - int i, found = 0; - snd_pcm_format_t format = params_format(params); - unsigned int rate = params_rate(params); - unsigned int channels = params_channels(params); - - /* find the correct audio parameters */ - for (i = 0; i < ARRAY_SIZE(wm8350_audio); i++) { - if (rate == wm8350_audio[i].rate && - format == wm8350_audio[i].format && - channels == wm8350_audio[i].channels) { - found = 1; - break; - } - } - if (!found) - return -EINVAL; - - /* codec FLL input is 14.75 MHz from MCLK */ - snd_soc_dai_set_pll(codec_dai, 0, 0, 14750000, wm8350_audio[i].sysclk); - - /* TODO: The SSI driver should figure this out for us */ - switch (channels) { - case 2: - snd_soc_dai_set_tdm_slot(cpu_dai, 0x3, 0x3, 2, 0); - break; - case 1: - snd_soc_dai_set_tdm_slot(cpu_dai, 0x1, 0x1, 1, 0); - break; - default: - return -EINVAL; - } - - /* set MCLK as the codec system clock for DAC and ADC */ - snd_soc_dai_set_sysclk(codec_dai, WM8350_MCLK_SEL_PLL_MCLK, - wm8350_audio[i].sysclk, SND_SOC_CLOCK_IN); - - /* set codec BCLK division for sample rate */ - snd_soc_dai_set_clkdiv(codec_dai, WM8350_BCLK_CLKDIV, - wm8350_audio[i].bclkdiv); - - /* DAI is synchronous and clocked with DAC LRCLK & ADC LRC */ - snd_soc_dai_set_clkdiv(codec_dai, - WM8350_DACLR_CLKDIV, wm8350_audio[i].lr_rate); - snd_soc_dai_set_clkdiv(codec_dai, - WM8350_ADCLR_CLKDIV, wm8350_audio[i].lr_rate); - - /* now configure DAC and ADC clocks */ - snd_soc_dai_set_clkdiv(codec_dai, - WM8350_DAC_CLKDIV, wm8350_audio[i].clkdiv); - - snd_soc_dai_set_clkdiv(codec_dai, - WM8350_ADC_CLKDIV, wm8350_audio[i].clkdiv); - - return 0; -} - -static const struct snd_soc_ops wm1133_ev1_ops = { - .hw_params = wm1133_ev1_hw_params, -}; - -static const struct snd_soc_dapm_widget wm1133_ev1_widgets[] = { -#ifdef USE_SIMIC - SND_SOC_DAPM_MIC("SiMIC", NULL), -#endif - SND_SOC_DAPM_MIC("Mic1 Jack", NULL), - SND_SOC_DAPM_MIC("Mic2 Jack", NULL), - SND_SOC_DAPM_LINE("Line In Jack", NULL), - SND_SOC_DAPM_LINE("Line Out Jack", NULL), - SND_SOC_DAPM_HP("Headphone Jack", NULL), -}; - -/* imx32ads soc_card audio map */ -static const struct snd_soc_dapm_route wm1133_ev1_map[] = { - -#ifdef USE_SIMIC - /* SiMIC --> IN1LN (with automatic bias) via SP1 */ - { "IN1LN", NULL, "Mic Bias" }, - { "Mic Bias", NULL, "SiMIC" }, -#endif - - /* Mic 1 Jack --> IN1LN and IN1LP (with automatic bias) */ - { "IN1LN", NULL, "Mic Bias" }, - { "IN1LP", NULL, "Mic1 Jack" }, - { "Mic Bias", NULL, "Mic1 Jack" }, - - /* Mic 2 Jack --> IN1RN and IN1RP (with automatic bias) */ - { "IN1RN", NULL, "Mic Bias" }, - { "IN1RP", NULL, "Mic2 Jack" }, - { "Mic Bias", NULL, "Mic2 Jack" }, - - /* Line in Jack --> AUX (L+R) */ - { "IN3R", NULL, "Line In Jack" }, - { "IN3L", NULL, "Line In Jack" }, - - /* Out1 --> Headphone Jack */ - { "Headphone Jack", NULL, "OUT1R" }, - { "Headphone Jack", NULL, "OUT1L" }, - - /* Out1 --> Line Out Jack */ - { "Line Out Jack", NULL, "OUT2R" }, - { "Line Out Jack", NULL, "OUT2L" }, -}; - -static struct snd_soc_jack hp_jack; - -static struct snd_soc_jack_pin hp_jack_pins[] = { - { .pin = "Headphone Jack", .mask = SND_JACK_HEADPHONE }, -}; - -static struct snd_soc_jack mic_jack; - -static struct snd_soc_jack_pin mic_jack_pins[] = { - { .pin = "Mic1 Jack", .mask = SND_JACK_MICROPHONE }, - { .pin = "Mic2 Jack", .mask = SND_JACK_MICROPHONE }, -}; - -static int wm1133_ev1_init(struct snd_soc_pcm_runtime *rtd) -{ - struct snd_soc_component *component = asoc_rtd_to_codec(rtd, 0)->component; - - /* Headphone jack detection */ - snd_soc_card_jack_new(rtd->card, "Headphone", SND_JACK_HEADPHONE, - &hp_jack, hp_jack_pins, ARRAY_SIZE(hp_jack_pins)); - wm8350_hp_jack_detect(component, WM8350_JDR, &hp_jack, SND_JACK_HEADPHONE); - - /* Microphone jack detection */ - snd_soc_card_jack_new(rtd->card, "Microphone", - SND_JACK_MICROPHONE | SND_JACK_BTN_0, &mic_jack, - mic_jack_pins, ARRAY_SIZE(mic_jack_pins)); - wm8350_mic_jack_detect(component, &mic_jack, SND_JACK_MICROPHONE, - SND_JACK_BTN_0); - - snd_soc_dapm_force_enable_pin(&rtd->card->dapm, "Mic Bias"); - - return 0; -} - - -SND_SOC_DAILINK_DEFS(ev1, - DAILINK_COMP_ARRAY(COMP_CPU("imx-ssi.0")), - DAILINK_COMP_ARRAY(COMP_CODEC("wm8350-codec.0-0x1a", "wm8350-hifi")), - DAILINK_COMP_ARRAY(COMP_PLATFORM("imx-ssi.0"))); - -static struct snd_soc_dai_link wm1133_ev1_dai = { - .name = "WM1133-EV1", - .stream_name = "Audio", - .init = wm1133_ev1_init, - .ops = &wm1133_ev1_ops, - .symmetric_rates = 1, - .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF | - SND_SOC_DAIFMT_CBM_CFM, - SND_SOC_DAILINK_REG(ev1), -}; - -static struct snd_soc_card wm1133_ev1 = { - .name = "WM1133-EV1", - .owner = THIS_MODULE, - .dai_link = &wm1133_ev1_dai, - .num_links = 1, - - .dapm_widgets = wm1133_ev1_widgets, - .num_dapm_widgets = ARRAY_SIZE(wm1133_ev1_widgets), - .dapm_routes = wm1133_ev1_map, - .num_dapm_routes = ARRAY_SIZE(wm1133_ev1_map), -}; - -static struct platform_device *wm1133_ev1_snd_device; - -static int __init wm1133_ev1_audio_init(void) -{ - int ret; - unsigned int ptcr, pdcr; - - /* SSI0 mastered by port 5 */ - ptcr = IMX_AUDMUX_V2_PTCR_SYN | - IMX_AUDMUX_V2_PTCR_TFSDIR | - IMX_AUDMUX_V2_PTCR_TFSEL(MX31_AUDMUX_PORT5_SSI_PINS_5) | - IMX_AUDMUX_V2_PTCR_TCLKDIR | - IMX_AUDMUX_V2_PTCR_TCSEL(MX31_AUDMUX_PORT5_SSI_PINS_5); - pdcr = IMX_AUDMUX_V2_PDCR_RXDSEL(MX31_AUDMUX_PORT5_SSI_PINS_5); - imx_audmux_v2_configure_port(MX31_AUDMUX_PORT1_SSI0, ptcr, pdcr); - - ptcr = IMX_AUDMUX_V2_PTCR_SYN; - pdcr = IMX_AUDMUX_V2_PDCR_RXDSEL(MX31_AUDMUX_PORT1_SSI0); - imx_audmux_v2_configure_port(MX31_AUDMUX_PORT5_SSI_PINS_5, ptcr, pdcr); - - wm1133_ev1_snd_device = platform_device_alloc("soc-audio", -1); - if (!wm1133_ev1_snd_device) - return -ENOMEM; - - platform_set_drvdata(wm1133_ev1_snd_device, &wm1133_ev1); - ret = platform_device_add(wm1133_ev1_snd_device); - - if (ret) - platform_device_put(wm1133_ev1_snd_device); - - return ret; -} -module_init(wm1133_ev1_audio_init); - -static void __exit wm1133_ev1_audio_exit(void) -{ - platform_device_unregister(wm1133_ev1_snd_device); -} -module_exit(wm1133_ev1_audio_exit); - -MODULE_AUTHOR("Mark Brown <broonie@opensource.wolfsonmicro.com>"); -MODULE_DESCRIPTION("Audio for WM1133-EV1 on i.MX31ADS"); -MODULE_LICENSE("GPL"); |