/* * n810.c -- SoC audio for Nokia N810 * * Copyright (C) 2008 Nokia Corporation * * Contact: Jarkko Nikula * * 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. * * This program is distributed in the hope that it will be useful, but * WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA * 02110-1301 USA * */ #include #include #include #include #include #include #include #include #include #include #include "omap-mcbsp.h" #include "omap-pcm.h" #include "../codecs/tlv320aic3x.h" #define RX44_HEADSET_AMP_GPIO 10 #define RX44_SPEAKER_AMP_GPIO 101 static struct clk *sys_clkout2; static struct clk *sys_clkout2_src; static struct clk *func96m_clk; static int n810_spk_func; static int n810_jack_func; static void n810_ext_control(struct snd_soc_codec *codec) { snd_soc_dapm_set_endpoint(codec, "Ext Spk", n810_spk_func); snd_soc_dapm_set_endpoint(codec, "Headphone Jack", n810_jack_func); snd_soc_dapm_sync_endpoints(codec); } static int n810_startup(struct snd_pcm_substream *substream) { struct snd_soc_pcm_runtime *rtd = substream->private_data; struct snd_soc_codec *codec = rtd->socdev->codec; n810_ext_control(codec); return clk_enable(sys_clkout2); } static void n810_shutdown(struct snd_pcm_substream *substream) { clk_disable(sys_clkout2); } static int n810_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_codec_dai *codec_dai = rtd->dai->codec_dai; struct snd_soc_cpu_dai *cpu_dai = rtd->dai->cpu_dai; int err; /* Set codec DAI configuration */ err = codec_dai->dai_ops.set_fmt(codec_dai, SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF | SND_SOC_DAIFMT_CBM_CFM); if (err < 0) return err; /* Set cpu DAI configuration */ err = cpu_dai->dai_ops.set_fmt(cpu_dai, SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF | SND_SOC_DAIFMT_CBM_CFM); if (err < 0) return err; /* Set the codec system clock for DAC and ADC */ err = codec_dai->dai_ops.set_sysclk(codec_dai, 0, 12000000, SND_SOC_CLOCK_IN); return err; } static struct snd_soc_ops n810_ops = { .startup = n810_startup, .hw_params = n810_hw_params, .shutdown = n810_shutdown, }; static int n810_get_spk(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) { ucontrol->value.integer.value[0] = n810_spk_func; return 0; } static int n810_set_spk(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) { struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol); if (n810_spk_func == ucontrol->value.integer.value[0]) return 0; n810_spk_func = ucontrol->value.integer.value[0]; n810_ext_control(codec); return 1; } static int n810_get_jack(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) { ucontrol->value.integer.value[0] = n810_jack_func; return 0; } static int n810_set_jack(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) { struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol); if (n810_jack_func == ucontrol->value.integer.value[0]) return 0; n810_jack_func = ucontrol->value.integer.value[0]; n810_ext_control(codec); return 1; } static int n810_spk_event(struct snd_soc_dapm_widget *w, struct snd_kcontrol *k, int event) { if (SND_SOC_DAPM_EVENT_ON(event)) omap_set_gpio_dataout(RX44_SPEAKER_AMP_GPIO, 1); else omap_set_gpio_dataout(RX44_SPEAKER_AMP_GPIO, 0); return 0; } static int n810_jack_event(struct snd_soc_dapm_widget *w, struct snd_kcontrol *k, int event) { if (SND_SOC_DAPM_EVENT_ON(event)) omap_set_gpio_dataout(RX44_HEADSET_AMP_GPIO, 1); else omap_set_gpio_dataout(RX44_HEADSET_AMP_GPIO, 0); return 0; } static const struct snd_soc_dapm_widget aic33_dapm_widgets[] = { SND_SOC_DAPM_SPK("Ext Spk", n810_spk_event), SND_SOC_DAPM_HP("Headphone Jack", n810_jack_event), }; static const char *audio_map[][3] = { {"Headphone Jack", NULL, "HPLOUT"}, {"Headphone Jack", NULL, "HPROUT"}, {"Ext Spk", NULL, "LLOUT"}, {"Ext Spk", NULL, "RLOUT"}, }; static const char *spk_function[] = {"Off", "On"}; static const char *jack_function[] = {"Off", "Headphone"}; static const struct soc_enum n810_enum[] = { SOC_ENUM_SINGLE_EXT(2, spk_function), SOC_ENUM_SINGLE_EXT(3, jack_function), }; static const struct snd_kcontrol_new aic33_n810_controls[] = { SOC_ENUM_EXT("Speaker Function", n810_enum[0], n810_get_spk, n810_set_spk), SOC_ENUM_EXT("Jack Function", n810_enum[1], n810_get_jack, n810_set_jack), }; static int n810_aic33_init(struct snd_soc_codec *codec) { int i, err; /* Not connected */ snd_soc_dapm_set_endpoint(codec, "MONO_LOUT", 0); snd_soc_dapm_set_endpoint(codec, "HPLCOM", 0); snd_soc_dapm_set_endpoint(codec, "HPRCOM", 0); /* Add N810 specific controls */ for (i = 0; i < ARRAY_SIZE(aic33_n810_controls); i++) { err = snd_ctl_add(codec->card, snd_soc_cnew(&aic33_n810_controls[i], codec, NULL)); if (err < 0) return err; } /* Add N810 specific widgets */ for (i = 0; i < ARRAY_SIZE(aic33_dapm_widgets); i++) snd_soc_dapm_new_control(codec, &aic33_dapm_widgets[i]); /* Set up N810 specific audio path audio_map */ for (i = 0; i < ARRAY_SIZE(audio_map); i++) snd_soc_dapm_connect_input(codec, audio_map[i][0], audio_map[i][1], audio_map[i][2]); snd_soc_dapm_sync_endpoints(codec); return 0; } /* Digital audio interface glue - connects codec <--> CPU */ static struct snd_soc_dai_link n810_dai = { .name = "TLV320AIC33", .stream_name = "AIC33", .cpu_dai = &omap_mcbsp_dai[0], .codec_dai = &aic3x_dai, .init = n810_aic33_init, .ops = &n810_ops, }; /* Audio machine driver */ static struct snd_soc_machine snd_soc_machine_n810 = { .name = "N810", .dai_link = &n810_dai, .num_links = 1, }; /* Audio private data */ static struct aic3x_setup_data n810_aic33_setup = { .i2c_address = 0x18, }; /* Audio subsystem */ static struct snd_soc_device n810_snd_devdata = { .machine = &snd_soc_machine_n810, .platform = &omap_soc_platform, .codec_dev = &soc_codec_dev_aic3x, .codec_data = &n810_aic33_setup, }; static struct platform_device *n810_snd_device; static int __init n810_soc_init(void) { int err; struct device *dev; if (!machine_is_nokia_n810()) return -ENODEV; n810_snd_device = platform_device_alloc("soc-audio", -1); if (!n810_snd_device) return -ENOMEM; platform_set_drvdata(n810_snd_device, &n810_snd_devdata); n810_snd_devdata.dev = &n810_snd_device->dev; *(unsigned int *)n810_dai.cpu_dai->private_data = 1; /* McBSP2 */ err = platform_device_add(n810_snd_device); if (err) goto err1; dev = &n810_snd_device->dev; sys_clkout2_src = clk_get(dev, "sys_clkout2_src"); if (IS_ERR(sys_clkout2_src)) { dev_err(dev, "Could not get sys_clkout2_src clock\n"); return -ENODEV; } sys_clkout2 = clk_get(dev, "sys_clkout2"); if (IS_ERR(sys_clkout2)) { dev_err(dev, "Could not get sys_clkout2\n"); goto err1; } /* * Configure 12 MHz output on SYS_CLKOUT2. Therefore we must use * 96 MHz as its parent in order to get 12 MHz */ func96m_clk = clk_get(dev, "func_96m_ck"); if (IS_ERR(func96m_clk)) { dev_err(dev, "Could not get func 96M clock\n"); goto err2; } clk_set_parent(sys_clkout2_src, func96m_clk); clk_set_rate(sys_clkout2, 12000000); if (omap_request_gpio(RX44_HEADSET_AMP_GPIO) < 0) BUG(); if (omap_request_gpio(RX44_SPEAKER_AMP_GPIO) < 0) BUG(); omap_set_gpio_direction(RX44_HEADSET_AMP_GPIO, 0); omap_set_gpio_direction(RX44_SPEAKER_AMP_GPIO, 0); return 0; err2: clk_put(sys_clkout2); platform_device_del(n810_snd_device); err1: platform_device_put(n810_snd_device); return err; } static void __exit n810_soc_exit(void) { platform_device_unregister(n810_snd_device); } module_init(n810_soc_init); module_exit(n810_soc_exit); MODULE_AUTHOR("Jarkko Nikula "); MODULE_DESCRIPTION("ALSA SoC Nokia N810"); MODULE_LICENSE("GPL");