/* sound/soc/samsung/jive_wm8750.c * * Copyright 2007,2008 Simtec Electronics * * Based on sound/soc/pxa/spitz.c * Copyright 2005 Wolfson Microelectronics PLC. * Copyright 2005 Openedhand Ltd. * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License version 2 as * published by the Free Software Foundation. */ #include #include #include #include "s3c2412-i2s.h" #include "../codecs/wm8750.h" static const struct snd_soc_dapm_route audio_map[] = { { "Headphone Jack", NULL, "LOUT1" }, { "Headphone Jack", NULL, "ROUT1" }, { "Internal Speaker", NULL, "LOUT2" }, { "Internal Speaker", NULL, "ROUT2" }, { "LINPUT1", NULL, "Line Input" }, { "RINPUT1", NULL, "Line Input" }, }; static const struct snd_soc_dapm_widget wm8750_dapm_widgets[] = { SND_SOC_DAPM_HP("Headphone Jack", NULL), SND_SOC_DAPM_SPK("Internal Speaker", NULL), SND_SOC_DAPM_LINE("Line In", NULL), }; static int jive_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; struct s3c_i2sv2_rate_calc div; 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; } s3c_i2sv2_iis_calc_rate(&div, NULL, params_rate(params), s3c_i2sv2_get_clock(cpu_dai)); /* 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; ret = snd_soc_dai_set_clkdiv(cpu_dai, S3C2412_DIV_RCLK, div.fs_div); if (ret < 0) return ret; ret = snd_soc_dai_set_clkdiv(cpu_dai, S3C2412_DIV_PRESCALER, div.clk_div - 1); if (ret < 0) return ret; return 0; } static struct snd_soc_ops jive_ops = { .hw_params = jive_hw_params, }; static struct snd_soc_dai_link jive_dai = { .name = "wm8750", .stream_name = "WM8750", .cpu_dai_name = "s3c2412-i2s", .codec_dai_name = "wm8750-hifi", .platform_name = "s3c2412-i2s", .codec_name = "wm8750.0-001a", .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF | SND_SOC_DAIFMT_CBS_CFS, .ops = &jive_ops, }; /* jive audio machine driver */ static struct snd_soc_card snd_soc_machine_jive = { .name = "Jive", .owner = THIS_MODULE, .dai_link = &jive_dai, .num_links = 1, .dapm_widgets = wm8750_dapm_widgets, .num_dapm_widgets = ARRAY_SIZE(wm8750_dapm_widgets), .dapm_routes = audio_map, .num_dapm_routes = ARRAY_SIZE(audio_map), .fully_routed = true, }; static struct platform_device *jive_snd_device; static int __init jive_init(void) { int ret; if (!machine_is_jive()) return 0; printk("JIVE WM8750 Audio support\n"); jive_snd_device = platform_device_alloc("soc-audio", -1); if (!jive_snd_device) return -ENOMEM; platform_set_drvdata(jive_snd_device, &snd_soc_machine_jive); ret = platform_device_add(jive_snd_device); if (ret) platform_device_put(jive_snd_device); return ret; } static void __exit jive_exit(void) { platform_device_unregister(jive_snd_device); } module_init(jive_init); module_exit(jive_exit); MODULE_AUTHOR("Ben Dooks "); MODULE_DESCRIPTION("ALSA SoC Jive Audio support"); MODULE_LICENSE("GPL"); t'>Commit message (Collapse)AuthorFilesLines