| Author | Tokens | Token Proportion | Commits | Commit Proportion |
|---|---|---|---|---|
| Mark Brown | 1154 | 91.73% | 5 | 26.32% |
| Lars-Peter Clausen | 56 | 4.45% | 5 | 26.32% |
| Liam Girdwood | 18 | 1.43% | 2 | 10.53% |
| Shawn Guo | 14 | 1.11% | 3 | 15.79% |
| Kuninori Morimoto | 7 | 0.56% | 1 | 5.26% |
| Axel Lin | 5 | 0.40% | 1 | 5.26% |
| Paul Gortmaker | 3 | 0.24% | 1 | 5.26% |
| Bhumika Goyal | 1 | 0.08% | 1 | 5.26% |
| Total | 1258 | 19 |
/* * 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. * * 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. */ #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 = substream->private_data; struct snd_soc_dai *codec_dai = rtd->codec_dai; struct snd_soc_dai *cpu_dai = rtd->cpu_dai; 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 = rtd->codec_dai->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; } static struct snd_soc_dai_link wm1133_ev1_dai = { .name = "WM1133-EV1", .stream_name = "Audio", .cpu_dai_name = "imx-ssi.0", .codec_dai_name = "wm8350-hifi", .platform_name = "imx-ssi.0", .codec_name = "wm8350-codec.0-0x1a", .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, }; 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");
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