| Author | Tokens | Token Proportion | Commits | Commit Proportion |
|---|---|---|---|---|
| Grazvydas Ignotas | 967 | 82.16% | 7 | 29.17% |
| Liam Girdwood | 62 | 5.27% | 2 | 8.33% |
| Jarkko Nikula | 55 | 4.67% | 2 | 8.33% |
| Lars-Peter Clausen | 38 | 3.23% | 2 | 8.33% |
| Mark Brown | 26 | 2.21% | 1 | 4.17% |
| Axel Lin | 12 | 1.02% | 2 | 8.33% |
| Peter Ujfalusi | 12 | 1.02% | 5 | 20.83% |
| Paul Gortmaker | 3 | 0.25% | 1 | 4.17% |
| Bhumika Goyal | 1 | 0.08% | 1 | 4.17% |
| Arnd Bergmann | 1 | 0.08% | 1 | 4.17% |
| Total | 1177 | 24 |
/* * omap3pandora.c -- SoC audio for Pandora Handheld Console * * Author: Gražvydas Ignotas <notasas@gmail.com> * * 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 <linux/clk.h> #include <linux/platform_device.h> #include <linux/gpio.h> #include <linux/delay.h> #include <linux/regulator/consumer.h> #include <linux/module.h> #include <sound/core.h> #include <sound/pcm.h> #include <sound/soc.h> #include <asm/mach-types.h> #include <linux/platform_data/asoc-ti-mcbsp.h> #include "omap-mcbsp.h" #define OMAP3_PANDORA_DAC_POWER_GPIO 118 #define OMAP3_PANDORA_AMP_POWER_GPIO 14 #define PREFIX "ASoC omap3pandora: " static struct regulator *omap3pandora_dac_reg; static int omap3pandora_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 ret; /* Set the codec system clock for DAC and ADC */ ret = snd_soc_dai_set_sysclk(codec_dai, 0, 26000000, SND_SOC_CLOCK_IN); if (ret < 0) { pr_err(PREFIX "can't set codec system clock\n"); return ret; } /* Set McBSP clock to external */ ret = snd_soc_dai_set_sysclk(cpu_dai, OMAP_MCBSP_SYSCLK_CLKS_EXT, 256 * params_rate(params), SND_SOC_CLOCK_IN); if (ret < 0) { pr_err(PREFIX "can't set cpu system clock\n"); return ret; } ret = snd_soc_dai_set_clkdiv(cpu_dai, OMAP_MCBSP_CLKGDV, 8); if (ret < 0) { pr_err(PREFIX "can't set SRG clock divider\n"); return ret; } return 0; } static int omap3pandora_dac_event(struct snd_soc_dapm_widget *w, struct snd_kcontrol *k, int event) { int ret; /* * The PCM1773 DAC datasheet requires 1ms delay between switching * VCC power on/off and /PD pin high/low */ if (SND_SOC_DAPM_EVENT_ON(event)) { ret = regulator_enable(omap3pandora_dac_reg); if (ret) { dev_err(w->dapm->dev, "Failed to power DAC: %d\n", ret); return ret; } mdelay(1); gpio_set_value(OMAP3_PANDORA_DAC_POWER_GPIO, 1); } else { gpio_set_value(OMAP3_PANDORA_DAC_POWER_GPIO, 0); mdelay(1); regulator_disable(omap3pandora_dac_reg); } return 0; } static int omap3pandora_hp_event(struct snd_soc_dapm_widget *w, struct snd_kcontrol *k, int event) { if (SND_SOC_DAPM_EVENT_ON(event)) gpio_set_value(OMAP3_PANDORA_AMP_POWER_GPIO, 1); else gpio_set_value(OMAP3_PANDORA_AMP_POWER_GPIO, 0); return 0; } /* * Audio paths on Pandora board: * * |O| ---> PCM DAC +-> AMP -> Headphone Jack * |M| A +--------> Line Out * |A| <~~clk~~+ * |P| <--- TWL4030 <--------- Line In and MICs */ static const struct snd_soc_dapm_widget omap3pandora_dapm_widgets[] = { SND_SOC_DAPM_DAC_E("PCM DAC", "HiFi Playback", SND_SOC_NOPM, 0, 0, omap3pandora_dac_event, SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_PRE_PMD), SND_SOC_DAPM_PGA_E("Headphone Amplifier", SND_SOC_NOPM, 0, 0, NULL, 0, omap3pandora_hp_event, SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_PRE_PMD), SND_SOC_DAPM_HP("Headphone Jack", NULL), SND_SOC_DAPM_LINE("Line Out", NULL), SND_SOC_DAPM_MIC("Mic (internal)", NULL), SND_SOC_DAPM_MIC("Mic (external)", NULL), SND_SOC_DAPM_LINE("Line In", NULL), }; static const struct snd_soc_dapm_route omap3pandora_map[] = { {"PCM DAC", NULL, "APLL Enable"}, {"Headphone Amplifier", NULL, "PCM DAC"}, {"Line Out", NULL, "PCM DAC"}, {"Headphone Jack", NULL, "Headphone Amplifier"}, {"AUXL", NULL, "Line In"}, {"AUXR", NULL, "Line In"}, {"MAINMIC", NULL, "Mic (internal)"}, {"Mic (internal)", NULL, "Mic Bias 1"}, {"SUBMIC", NULL, "Mic (external)"}, {"Mic (external)", NULL, "Mic Bias 2"}, }; static int omap3pandora_out_init(struct snd_soc_pcm_runtime *rtd) { struct snd_soc_dapm_context *dapm = &rtd->card->dapm; /* All TWL4030 output pins are floating */ snd_soc_dapm_nc_pin(dapm, "EARPIECE"); snd_soc_dapm_nc_pin(dapm, "PREDRIVEL"); snd_soc_dapm_nc_pin(dapm, "PREDRIVER"); snd_soc_dapm_nc_pin(dapm, "HSOL"); snd_soc_dapm_nc_pin(dapm, "HSOR"); snd_soc_dapm_nc_pin(dapm, "CARKITL"); snd_soc_dapm_nc_pin(dapm, "CARKITR"); snd_soc_dapm_nc_pin(dapm, "HFL"); snd_soc_dapm_nc_pin(dapm, "HFR"); snd_soc_dapm_nc_pin(dapm, "VIBRA"); return 0; } static int omap3pandora_in_init(struct snd_soc_pcm_runtime *rtd) { struct snd_soc_dapm_context *dapm = &rtd->card->dapm; /* Not comnnected */ snd_soc_dapm_nc_pin(dapm, "HSMIC"); snd_soc_dapm_nc_pin(dapm, "CARKITMIC"); snd_soc_dapm_nc_pin(dapm, "DIGIMIC0"); snd_soc_dapm_nc_pin(dapm, "DIGIMIC1"); return 0; } static const struct snd_soc_ops omap3pandora_ops = { .hw_params = omap3pandora_hw_params, }; /* Digital audio interface glue - connects codec <--> CPU */ static struct snd_soc_dai_link omap3pandora_dai[] = { { .name = "PCM1773", .stream_name = "HiFi Out", .cpu_dai_name = "omap-mcbsp.2", .codec_dai_name = "twl4030-hifi", .platform_name = "omap-mcbsp.2", .codec_name = "twl4030-codec", .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF | SND_SOC_DAIFMT_CBS_CFS, .ops = &omap3pandora_ops, .init = omap3pandora_out_init, }, { .name = "TWL4030", .stream_name = "Line/Mic In", .cpu_dai_name = "omap-mcbsp.4", .codec_dai_name = "twl4030-hifi", .platform_name = "omap-mcbsp.4", .codec_name = "twl4030-codec", .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF | SND_SOC_DAIFMT_CBS_CFS, .ops = &omap3pandora_ops, .init = omap3pandora_in_init, } }; /* SoC card */ static struct snd_soc_card snd_soc_card_omap3pandora = { .name = "omap3pandora", .owner = THIS_MODULE, .dai_link = omap3pandora_dai, .num_links = ARRAY_SIZE(omap3pandora_dai), .dapm_widgets = omap3pandora_dapm_widgets, .num_dapm_widgets = ARRAY_SIZE(omap3pandora_dapm_widgets), .dapm_routes = omap3pandora_map, .num_dapm_routes = ARRAY_SIZE(omap3pandora_map), }; static struct platform_device *omap3pandora_snd_device; static int __init omap3pandora_soc_init(void) { int ret; if (!machine_is_omap3_pandora()) return -ENODEV; pr_info("OMAP3 Pandora SoC init\n"); ret = gpio_request(OMAP3_PANDORA_DAC_POWER_GPIO, "dac_power"); if (ret) { pr_err(PREFIX "Failed to get DAC power GPIO\n"); return ret; } ret = gpio_direction_output(OMAP3_PANDORA_DAC_POWER_GPIO, 0); if (ret) { pr_err(PREFIX "Failed to set DAC power GPIO direction\n"); goto fail0; } ret = gpio_request(OMAP3_PANDORA_AMP_POWER_GPIO, "amp_power"); if (ret) { pr_err(PREFIX "Failed to get amp power GPIO\n"); goto fail0; } ret = gpio_direction_output(OMAP3_PANDORA_AMP_POWER_GPIO, 0); if (ret) { pr_err(PREFIX "Failed to set amp power GPIO direction\n"); goto fail1; } omap3pandora_snd_device = platform_device_alloc("soc-audio", -1); if (omap3pandora_snd_device == NULL) { pr_err(PREFIX "Platform device allocation failed\n"); ret = -ENOMEM; goto fail1; } platform_set_drvdata(omap3pandora_snd_device, &snd_soc_card_omap3pandora); ret = platform_device_add(omap3pandora_snd_device); if (ret) { pr_err(PREFIX "Unable to add platform device\n"); goto fail2; } omap3pandora_dac_reg = regulator_get(&omap3pandora_snd_device->dev, "vcc"); if (IS_ERR(omap3pandora_dac_reg)) { pr_err(PREFIX "Failed to get DAC regulator from %s: %ld\n", dev_name(&omap3pandora_snd_device->dev), PTR_ERR(omap3pandora_dac_reg)); ret = PTR_ERR(omap3pandora_dac_reg); goto fail3; } return 0; fail3: platform_device_del(omap3pandora_snd_device); fail2: platform_device_put(omap3pandora_snd_device); fail1: gpio_free(OMAP3_PANDORA_AMP_POWER_GPIO); fail0: gpio_free(OMAP3_PANDORA_DAC_POWER_GPIO); return ret; } module_init(omap3pandora_soc_init); static void __exit omap3pandora_soc_exit(void) { regulator_put(omap3pandora_dac_reg); platform_device_unregister(omap3pandora_snd_device); gpio_free(OMAP3_PANDORA_AMP_POWER_GPIO); gpio_free(OMAP3_PANDORA_DAC_POWER_GPIO); } module_exit(omap3pandora_soc_exit); MODULE_AUTHOR("Grazvydas Ignotas <notasas@gmail.com>"); MODULE_DESCRIPTION("ALSA SoC OMAP3 Pandora"); MODULE_LICENSE("GPL");
Information contained on this website is for historical information purposes only and does not indicate or represent copyright ownership.
Created with Cregit http://github.com/cregit/cregit
Version 2.0-RC1