diff options
Diffstat (limited to 'kernel/sound/soc/pxa')
30 files changed, 7114 insertions, 0 deletions
diff --git a/kernel/sound/soc/pxa/Kconfig b/kernel/sound/soc/pxa/Kconfig new file mode 100644 index 000000000..39cea8084 --- /dev/null +++ b/kernel/sound/soc/pxa/Kconfig @@ -0,0 +1,219 @@ +config SND_PXA2XX_SOC + tristate "SoC Audio for the Intel PXA2xx chip" + depends on ARCH_PXA + select SND_ARM + select SND_PXA2XX_LIB + help + Say Y or M if you want to add support for codecs attached to + the PXA2xx AC97, I2S or SSP interface. You will also need + to select the audio interfaces to support below. + +config SND_MMP_SOC + bool "Soc Audio for Marvell MMP chips" + depends on ARCH_MMP + select MMP_SRAM + select SND_SOC_GENERIC_DMAENGINE_PCM + select SND_ARM + help + Say Y if you want to add support for codecs attached to + the MMP SSPA interface. + +config SND_PXA2XX_AC97 + tristate + select SND_AC97_CODEC + +config SND_PXA2XX_SOC_AC97 + tristate + select AC97_BUS + select SND_ARM + select SND_PXA2XX_LIB_AC97 + select SND_SOC_AC97_BUS + +config SND_PXA2XX_SOC_I2S + tristate + +config SND_PXA_SOC_SSP + tristate + select PXA_SSP + +config SND_MMP_SOC_SSPA + tristate + +config SND_PXA2XX_SOC_CORGI + tristate "SoC Audio support for Sharp Zaurus SL-C7x0" + depends on SND_PXA2XX_SOC && PXA_SHARP_C7xx && I2C + select SND_PXA2XX_SOC_I2S + select SND_SOC_WM8731 + help + Say Y if you want to add support for SoC audio on Sharp + Zaurus SL-C7x0 models (Corgi, Shepherd, Husky). + +config SND_PXA2XX_SOC_SPITZ + tristate "SoC Audio support for Sharp Zaurus SL-Cxx00" + depends on SND_PXA2XX_SOC && PXA_SHARP_Cxx00 && I2C + select SND_PXA2XX_SOC_I2S + select SND_SOC_WM8750 + help + Say Y if you want to add support for SoC audio on Sharp + Zaurus SL-Cxx00 models (Spitz, Borzoi and Akita). + +config SND_PXA2XX_SOC_Z2 + tristate "SoC Audio support for Zipit Z2" + depends on SND_PXA2XX_SOC && MACH_ZIPIT2 && I2C + select SND_PXA2XX_SOC_I2S + select SND_SOC_WM8750 + help + Say Y if you want to add support for SoC audio on Zipit Z2. + +config SND_PXA2XX_SOC_POODLE + tristate "SoC Audio support for Poodle" + depends on SND_PXA2XX_SOC && MACH_POODLE && I2C + select SND_PXA2XX_SOC_I2S + select SND_SOC_WM8731 + help + Say Y if you want to add support for SoC audio on Sharp + Zaurus SL-5600 model (Poodle). + +config SND_PXA2XX_SOC_TOSA + tristate "SoC AC97 Audio support for Tosa" + depends on SND_PXA2XX_SOC && MACH_TOSA + depends on MFD_TC6393XB + select SND_PXA2XX_SOC_AC97 + select SND_SOC_WM9712 + help + Say Y if you want to add support for SoC audio on Sharp + Zaurus SL-C6000x models (Tosa). + +config SND_PXA2XX_SOC_E740 + tristate "SoC AC97 Audio support for e740" + depends on SND_PXA2XX_SOC && MACH_E740 + select SND_SOC_WM9705 + select SND_PXA2XX_SOC_AC97 + help + Say Y if you want to add support for SoC audio on the + toshiba e740 PDA + +config SND_PXA2XX_SOC_E750 + tristate "SoC AC97 Audio support for e750" + depends on SND_PXA2XX_SOC && MACH_E750 + select SND_SOC_WM9705 + select SND_PXA2XX_SOC_AC97 + help + Say Y if you want to add support for SoC audio on the + toshiba e750 PDA + +config SND_PXA2XX_SOC_E800 + tristate "SoC AC97 Audio support for e800" + depends on SND_PXA2XX_SOC && MACH_E800 + select SND_SOC_WM9712 + select SND_PXA2XX_SOC_AC97 + help + Say Y if you want to add support for SoC audio on the + Toshiba e800 PDA + +config SND_PXA2XX_SOC_EM_X270 + tristate "SoC Audio support for CompuLab EM-x270, eXeda and CM-X300" + depends on SND_PXA2XX_SOC && (MACH_EM_X270 || MACH_EXEDA || \ + MACH_CM_X300) + select SND_PXA2XX_SOC_AC97 + select SND_SOC_WM9712 + help + Say Y if you want to add support for SoC audio on + CompuLab EM-x270, eXeda and CM-X300 machines. + +config SND_PXA2XX_SOC_PALM27X + bool "SoC Audio support for Palm T|X, T5, E2 and LifeDrive" + depends on SND_PXA2XX_SOC && (MACH_PALMLD || MACH_PALMTX || \ + MACH_PALMT5 || MACH_PALMTE2) + select SND_PXA2XX_SOC_AC97 + select SND_SOC_WM9712 + help + Say Y if you want to add support for SoC audio on + Palm T|X, T5, E2 or LifeDrive handheld computer. + +config SND_PXA910_SOC + tristate "SoC Audio for Marvell PXA910 chip" + depends on ARCH_MMP && SND + select SND_PCM + help + Say Y if you want to add support for SoC audio on the + Marvell PXA910 reference platform. + +config SND_SOC_TTC_DKB + tristate "SoC Audio support for TTC DKB" + depends on SND_PXA910_SOC && MACH_TTC_DKB && I2C=y + select PXA_SSP + select SND_PXA_SOC_SSP + select SND_MMP_SOC + select MFD_88PM860X + select SND_SOC_88PM860X + help + Say Y if you want to add support for SoC audio on TTC DKB + + +config SND_SOC_ZYLONITE + tristate "SoC Audio support for Marvell Zylonite" + depends on SND_PXA2XX_SOC && MACH_ZYLONITE + select SND_PXA2XX_SOC_AC97 + select SND_PXA_SOC_SSP + select SND_SOC_WM9713 + help + Say Y if you want to add support for SoC audio on the + Marvell Zylonite reference platform. + +config SND_SOC_RAUMFELD + tristate "SoC Audio support Raumfeld audio adapter" + depends on SND_PXA2XX_SOC && (MACH_RAUMFELD_SPEAKER || MACH_RAUMFELD_CONNECTOR) + depends on I2C && SPI_MASTER + select SND_PXA_SOC_SSP + select SND_SOC_CS4270 + select SND_SOC_AK4104 + help + Say Y if you want to add support for SoC audio on Raumfeld devices + +config SND_PXA2XX_SOC_HX4700 + tristate "SoC Audio support for HP iPAQ hx4700" + depends on SND_PXA2XX_SOC && MACH_H4700 && I2C + select SND_PXA2XX_SOC_I2S + select SND_SOC_AK4641 + help + Say Y if you want to add support for SoC audio on the + HP iPAQ hx4700. + +config SND_PXA2XX_SOC_MAGICIAN + tristate "SoC Audio support for HTC Magician" + depends on SND_PXA2XX_SOC && MACH_MAGICIAN && I2C + select SND_PXA2XX_SOC_I2S + select SND_PXA_SOC_SSP + select SND_SOC_UDA1380 + help + Say Y if you want to add support for SoC audio on the + HTC Magician. + +config SND_PXA2XX_SOC_MIOA701 + tristate "SoC Audio support for MIO A701" + depends on SND_PXA2XX_SOC && MACH_MIOA701 + select SND_PXA2XX_SOC_AC97 + select SND_SOC_WM9713 + help + Say Y if you want to add support for SoC audio on the + MIO A701. + +config SND_PXA2XX_SOC_IMOTE2 + tristate "SoC Audio support for IMote 2" + depends on SND_PXA2XX_SOC && MACH_INTELMOTE2 && I2C + select SND_PXA2XX_SOC_I2S + select SND_SOC_WM8940 + help + Say Y if you want to add support for SoC audio on the + IMote 2. + +config SND_MMP_SOC_BROWNSTONE + tristate "SoC Audio support for Marvell Brownstone" + depends on SND_MMP_SOC && MACH_BROWNSTONE + select SND_MMP_SOC_SSPA + select MFD_WM8994 + select SND_SOC_WM8994 + help + Say Y if you want to add support for SoC audio on the + Marvell Brownstone reference platform. diff --git a/kernel/sound/soc/pxa/Makefile b/kernel/sound/soc/pxa/Makefile new file mode 100644 index 000000000..2cff67b61 --- /dev/null +++ b/kernel/sound/soc/pxa/Makefile @@ -0,0 +1,53 @@ +# PXA Platform Support +snd-soc-pxa2xx-objs := pxa2xx-pcm.o +snd-soc-pxa2xx-ac97-objs := pxa2xx-ac97.o +snd-soc-pxa2xx-i2s-objs := pxa2xx-i2s.o +snd-soc-pxa-ssp-objs := pxa-ssp.o +snd-soc-mmp-objs := mmp-pcm.o +snd-soc-mmp-sspa-objs := mmp-sspa.o + +obj-$(CONFIG_SND_PXA2XX_SOC) += snd-soc-pxa2xx.o +obj-$(CONFIG_SND_PXA2XX_SOC_AC97) += snd-soc-pxa2xx-ac97.o +obj-$(CONFIG_SND_PXA2XX_SOC_I2S) += snd-soc-pxa2xx-i2s.o +obj-$(CONFIG_SND_PXA_SOC_SSP) += snd-soc-pxa-ssp.o +obj-$(CONFIG_SND_MMP_SOC) += snd-soc-mmp.o +obj-$(CONFIG_SND_MMP_SOC_SSPA) += snd-soc-mmp-sspa.o + +# PXA Machine Support +snd-soc-corgi-objs := corgi.o +snd-soc-poodle-objs := poodle.o +snd-soc-tosa-objs := tosa.o +snd-soc-e740-objs := e740_wm9705.o +snd-soc-e750-objs := e750_wm9705.o +snd-soc-e800-objs := e800_wm9712.o +snd-soc-spitz-objs := spitz.o +snd-soc-em-x270-objs := em-x270.o +snd-soc-palm27x-objs := palm27x.o +snd-soc-zylonite-objs := zylonite.o +snd-soc-hx4700-objs := hx4700.o +snd-soc-magician-objs := magician.o +snd-soc-mioa701-objs := mioa701_wm9713.o +snd-soc-z2-objs := z2.o +snd-soc-imote2-objs := imote2.o +snd-soc-raumfeld-objs := raumfeld.o +snd-soc-brownstone-objs := brownstone.o +snd-soc-ttc-dkb-objs := ttc-dkb.o + +obj-$(CONFIG_SND_PXA2XX_SOC_CORGI) += snd-soc-corgi.o +obj-$(CONFIG_SND_PXA2XX_SOC_POODLE) += snd-soc-poodle.o +obj-$(CONFIG_SND_PXA2XX_SOC_TOSA) += snd-soc-tosa.o +obj-$(CONFIG_SND_PXA2XX_SOC_E740) += snd-soc-e740.o +obj-$(CONFIG_SND_PXA2XX_SOC_E750) += snd-soc-e750.o +obj-$(CONFIG_SND_PXA2XX_SOC_E800) += snd-soc-e800.o +obj-$(CONFIG_SND_PXA2XX_SOC_SPITZ) += snd-soc-spitz.o +obj-$(CONFIG_SND_PXA2XX_SOC_EM_X270) += snd-soc-em-x270.o +obj-$(CONFIG_SND_PXA2XX_SOC_PALM27X) += snd-soc-palm27x.o +obj-$(CONFIG_SND_PXA2XX_SOC_HX4700) += snd-soc-hx4700.o +obj-$(CONFIG_SND_PXA2XX_SOC_MAGICIAN) += snd-soc-magician.o +obj-$(CONFIG_SND_PXA2XX_SOC_MIOA701) += snd-soc-mioa701.o +obj-$(CONFIG_SND_PXA2XX_SOC_Z2) += snd-soc-z2.o +obj-$(CONFIG_SND_SOC_ZYLONITE) += snd-soc-zylonite.o +obj-$(CONFIG_SND_PXA2XX_SOC_IMOTE2) += snd-soc-imote2.o +obj-$(CONFIG_SND_SOC_RAUMFELD) += snd-soc-raumfeld.o +obj-$(CONFIG_SND_MMP_SOC_BROWNSTONE) += snd-soc-brownstone.o +obj-$(CONFIG_SND_SOC_TTC_DKB) += snd-soc-ttc-dkb.o diff --git a/kernel/sound/soc/pxa/brownstone.c b/kernel/sound/soc/pxa/brownstone.c new file mode 100644 index 000000000..79936e3e8 --- /dev/null +++ b/kernel/sound/soc/pxa/brownstone.c @@ -0,0 +1,168 @@ +/* + * linux/sound/soc/pxa/brownstone.c + * + * Copyright (C) 2011 Marvell International Ltd. + * + * 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/module.h> +#include <sound/core.h> +#include <sound/pcm.h> +#include <sound/soc.h> +#include <sound/jack.h> + +#include "../codecs/wm8994.h" +#include "mmp-sspa.h" + +static const struct snd_kcontrol_new brownstone_dapm_control[] = { + SOC_DAPM_PIN_SWITCH("Ext Spk"), +}; + +static const struct snd_soc_dapm_widget brownstone_dapm_widgets[] = { + SND_SOC_DAPM_SPK("Ext Spk", NULL), + SND_SOC_DAPM_HP("Headset Stereophone", NULL), + SND_SOC_DAPM_MIC("Headset Mic", NULL), + SND_SOC_DAPM_MIC("Main Mic", NULL), +}; + +static const struct snd_soc_dapm_route brownstone_audio_map[] = { + {"Ext Spk", NULL, "SPKOUTLP"}, + {"Ext Spk", NULL, "SPKOUTLN"}, + {"Ext Spk", NULL, "SPKOUTRP"}, + {"Ext Spk", NULL, "SPKOUTRN"}, + + {"Headset Stereophone", NULL, "HPOUT1L"}, + {"Headset Stereophone", NULL, "HPOUT1R"}, + + {"IN1RN", NULL, "Headset Mic"}, + + {"DMIC1DAT", NULL, "MICBIAS1"}, + {"MICBIAS1", NULL, "Main Mic"}, +}; + +static int brownstone_wm8994_init(struct snd_soc_pcm_runtime *rtd) +{ + struct snd_soc_codec *codec = rtd->codec; + struct snd_soc_dapm_context *dapm = &codec->dapm; + + /* set endpoints to not connected */ + snd_soc_dapm_nc_pin(dapm, "HPOUT2P"); + snd_soc_dapm_nc_pin(dapm, "HPOUT2N"); + snd_soc_dapm_nc_pin(dapm, "LINEOUT1N"); + snd_soc_dapm_nc_pin(dapm, "LINEOUT1P"); + snd_soc_dapm_nc_pin(dapm, "LINEOUT2N"); + snd_soc_dapm_nc_pin(dapm, "LINEOUT2P"); + snd_soc_dapm_nc_pin(dapm, "IN1LN"); + snd_soc_dapm_nc_pin(dapm, "IN1LP"); + snd_soc_dapm_nc_pin(dapm, "IN1RP"); + snd_soc_dapm_nc_pin(dapm, "IN2LP:VXRN"); + snd_soc_dapm_nc_pin(dapm, "IN2RN"); + snd_soc_dapm_nc_pin(dapm, "IN2RP:VXRP"); + snd_soc_dapm_nc_pin(dapm, "IN2LN"); + + return 0; +} + +static int brownstone_wm8994_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 freq_out, sspa_mclk, sysclk; + int sspa_div; + + if (params_rate(params) > 11025) { + freq_out = params_rate(params) * 512; + sysclk = params_rate(params) * 256; + sspa_mclk = params_rate(params) * 64; + } else { + freq_out = params_rate(params) * 1024; + sysclk = params_rate(params) * 512; + sspa_mclk = params_rate(params) * 64; + } + sspa_div = freq_out; + do_div(sspa_div, sspa_mclk); + + snd_soc_dai_set_sysclk(cpu_dai, MMP_SSPA_CLK_AUDIO, freq_out, 0); + snd_soc_dai_set_pll(cpu_dai, MMP_SYSCLK, 0, freq_out, sysclk); + snd_soc_dai_set_pll(cpu_dai, MMP_SSPA_CLK, 0, freq_out, sspa_mclk); + + /* set wm8994 sysclk */ + snd_soc_dai_set_sysclk(codec_dai, WM8994_SYSCLK_MCLK1, sysclk, 0); + + return 0; +} + +/* machine stream operations */ +static struct snd_soc_ops brownstone_ops = { + .hw_params = brownstone_wm8994_hw_params, +}; + +static struct snd_soc_dai_link brownstone_wm8994_dai[] = { +{ + .name = "WM8994", + .stream_name = "WM8994 HiFi", + .cpu_dai_name = "mmp-sspa-dai.0", + .codec_dai_name = "wm8994-aif1", + .platform_name = "mmp-pcm-audio", + .codec_name = "wm8994-codec", + .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF | + SND_SOC_DAIFMT_CBS_CFS, + .ops = &brownstone_ops, + .init = brownstone_wm8994_init, +}, +}; + +/* audio machine driver */ +static struct snd_soc_card brownstone = { + .name = "brownstone", + .owner = THIS_MODULE, + .dai_link = brownstone_wm8994_dai, + .num_links = ARRAY_SIZE(brownstone_wm8994_dai), + + .controls = brownstone_dapm_control, + .num_controls = ARRAY_SIZE(brownstone_dapm_control), + .dapm_widgets = brownstone_dapm_widgets, + .num_dapm_widgets = ARRAY_SIZE(brownstone_dapm_widgets), + .dapm_routes = brownstone_audio_map, + .num_dapm_routes = ARRAY_SIZE(brownstone_audio_map), +}; + +static int brownstone_probe(struct platform_device *pdev) +{ + int ret; + + brownstone.dev = &pdev->dev; + ret = snd_soc_register_card(&brownstone); + if (ret) + dev_err(&pdev->dev, "snd_soc_register_card() failed: %d\n", + ret); + return ret; +} + +static int brownstone_remove(struct platform_device *pdev) +{ + snd_soc_unregister_card(&brownstone); + return 0; +} + +static struct platform_driver mmp_driver = { + .driver = { + .name = "brownstone-audio", + .pm = &snd_soc_pm_ops, + }, + .probe = brownstone_probe, + .remove = brownstone_remove, +}; + +module_platform_driver(mmp_driver); + +MODULE_AUTHOR("Leo Yan <leoy@marvell.com>"); +MODULE_DESCRIPTION("ALSA SoC Brownstone"); +MODULE_LICENSE("GPL"); diff --git a/kernel/sound/soc/pxa/corgi.c b/kernel/sound/soc/pxa/corgi.c new file mode 100644 index 000000000..3580d10c9 --- /dev/null +++ b/kernel/sound/soc/pxa/corgi.c @@ -0,0 +1,328 @@ +/* + * corgi.c -- SoC audio for Corgi + * + * Copyright 2005 Wolfson Microelectronics PLC. + * Copyright 2005 Openedhand Ltd. + * + * Authors: Liam Girdwood <lrg@slimlogic.co.uk> + * Richard Purdie <richard@openedhand.com> + * + * 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/module.h> +#include <linux/moduleparam.h> +#include <linux/timer.h> +#include <linux/i2c.h> +#include <linux/interrupt.h> +#include <linux/platform_device.h> +#include <linux/gpio.h> +#include <sound/core.h> +#include <sound/pcm.h> +#include <sound/soc.h> + +#include <asm/mach-types.h> +#include <mach/corgi.h> +#include <mach/audio.h> + +#include "../codecs/wm8731.h" +#include "pxa2xx-i2s.h" + +#define CORGI_HP 0 +#define CORGI_MIC 1 +#define CORGI_LINE 2 +#define CORGI_HEADSET 3 +#define CORGI_HP_OFF 4 +#define CORGI_SPK_ON 0 +#define CORGI_SPK_OFF 1 + + /* audio clock in Hz - rounded from 12.235MHz */ +#define CORGI_AUDIO_CLOCK 12288000 + +static int corgi_jack_func; +static int corgi_spk_func; + +static void corgi_ext_control(struct snd_soc_dapm_context *dapm) +{ + snd_soc_dapm_mutex_lock(dapm); + + /* set up jack connection */ + switch (corgi_jack_func) { + case CORGI_HP: + /* set = unmute headphone */ + gpio_set_value(CORGI_GPIO_MUTE_L, 1); + gpio_set_value(CORGI_GPIO_MUTE_R, 1); + snd_soc_dapm_disable_pin_unlocked(dapm, "Mic Jack"); + snd_soc_dapm_disable_pin_unlocked(dapm, "Line Jack"); + snd_soc_dapm_enable_pin_unlocked(dapm, "Headphone Jack"); + snd_soc_dapm_disable_pin_unlocked(dapm, "Headset Jack"); + break; + case CORGI_MIC: + /* reset = mute headphone */ + gpio_set_value(CORGI_GPIO_MUTE_L, 0); + gpio_set_value(CORGI_GPIO_MUTE_R, 0); + snd_soc_dapm_enable_pin_unlocked(dapm, "Mic Jack"); + snd_soc_dapm_disable_pin_unlocked(dapm, "Line Jack"); + snd_soc_dapm_disable_pin_unlocked(dapm, "Headphone Jack"); + snd_soc_dapm_disable_pin_unlocked(dapm, "Headset Jack"); + break; + case CORGI_LINE: + gpio_set_value(CORGI_GPIO_MUTE_L, 0); + gpio_set_value(CORGI_GPIO_MUTE_R, 0); + snd_soc_dapm_disable_pin_unlocked(dapm, "Mic Jack"); + snd_soc_dapm_enable_pin_unlocked(dapm, "Line Jack"); + snd_soc_dapm_disable_pin_unlocked(dapm, "Headphone Jack"); + snd_soc_dapm_disable_pin_unlocked(dapm, "Headset Jack"); + break; + case CORGI_HEADSET: + gpio_set_value(CORGI_GPIO_MUTE_L, 0); + gpio_set_value(CORGI_GPIO_MUTE_R, 1); + snd_soc_dapm_enable_pin_unlocked(dapm, "Mic Jack"); + snd_soc_dapm_disable_pin_unlocked(dapm, "Line Jack"); + snd_soc_dapm_disable_pin_unlocked(dapm, "Headphone Jack"); + snd_soc_dapm_enable_pin_unlocked(dapm, "Headset Jack"); + break; + } + + if (corgi_spk_func == CORGI_SPK_ON) + snd_soc_dapm_enable_pin_unlocked(dapm, "Ext Spk"); + else + snd_soc_dapm_disable_pin_unlocked(dapm, "Ext Spk"); + + /* signal a DAPM event */ + snd_soc_dapm_sync_unlocked(dapm); + + snd_soc_dapm_mutex_unlock(dapm); +} + +static int corgi_startup(struct snd_pcm_substream *substream) +{ + struct snd_soc_pcm_runtime *rtd = substream->private_data; + + /* check the jack status at stream startup */ + corgi_ext_control(&rtd->card->dapm); + + return 0; +} + +/* we need to unmute the HP at shutdown as the mute burns power on corgi */ +static void corgi_shutdown(struct snd_pcm_substream *substream) +{ + /* set = unmute headphone */ + gpio_set_value(CORGI_GPIO_MUTE_L, 1); + gpio_set_value(CORGI_GPIO_MUTE_R, 1); +} + +static int corgi_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; + 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; + } + + /* set the codec system clock for DAC and ADC */ + ret = snd_soc_dai_set_sysclk(codec_dai, WM8731_SYSCLK_XTAL, clk, + SND_SOC_CLOCK_IN); + if (ret < 0) + return ret; + + /* set the I2S system clock as input (unused) */ + ret = snd_soc_dai_set_sysclk(cpu_dai, PXA2XX_I2S_SYSCLK, 0, + SND_SOC_CLOCK_IN); + if (ret < 0) + return ret; + + return 0; +} + +static struct snd_soc_ops corgi_ops = { + .startup = corgi_startup, + .hw_params = corgi_hw_params, + .shutdown = corgi_shutdown, +}; + +static int corgi_get_jack(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_value *ucontrol) +{ + ucontrol->value.integer.value[0] = corgi_jack_func; + return 0; +} + +static int corgi_set_jack(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_value *ucontrol) +{ + struct snd_soc_card *card = snd_kcontrol_chip(kcontrol); + + if (corgi_jack_func == ucontrol->value.integer.value[0]) + return 0; + + corgi_jack_func = ucontrol->value.integer.value[0]; + corgi_ext_control(&card->dapm); + return 1; +} + +static int corgi_get_spk(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_value *ucontrol) +{ + ucontrol->value.integer.value[0] = corgi_spk_func; + return 0; +} + +static int corgi_set_spk(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_value *ucontrol) +{ + struct snd_soc_card *card = snd_kcontrol_chip(kcontrol); + + if (corgi_spk_func == ucontrol->value.integer.value[0]) + return 0; + + corgi_spk_func = ucontrol->value.integer.value[0]; + corgi_ext_control(&card->dapm); + return 1; +} + +static int corgi_amp_event(struct snd_soc_dapm_widget *w, + struct snd_kcontrol *k, int event) +{ + gpio_set_value(CORGI_GPIO_APM_ON, SND_SOC_DAPM_EVENT_ON(event)); + return 0; +} + +static int corgi_mic_event(struct snd_soc_dapm_widget *w, + struct snd_kcontrol *k, int event) +{ + gpio_set_value(CORGI_GPIO_MIC_BIAS, SND_SOC_DAPM_EVENT_ON(event)); + return 0; +} + +/* corgi machine dapm widgets */ +static const struct snd_soc_dapm_widget wm8731_dapm_widgets[] = { +SND_SOC_DAPM_HP("Headphone Jack", NULL), +SND_SOC_DAPM_MIC("Mic Jack", corgi_mic_event), +SND_SOC_DAPM_SPK("Ext Spk", corgi_amp_event), +SND_SOC_DAPM_LINE("Line Jack", NULL), +SND_SOC_DAPM_HP("Headset Jack", NULL), +}; + +/* Corgi machine audio map (connections to the codec pins) */ +static const struct snd_soc_dapm_route corgi_audio_map[] = { + + /* headset Jack - in = micin, out = LHPOUT*/ + {"Headset Jack", NULL, "LHPOUT"}, + + /* headphone connected to LHPOUT1, RHPOUT1 */ + {"Headphone Jack", NULL, "LHPOUT"}, + {"Headphone Jack", NULL, "RHPOUT"}, + + /* speaker connected to LOUT, ROUT */ + {"Ext Spk", NULL, "ROUT"}, + {"Ext Spk", NULL, "LOUT"}, + + /* mic is connected to MICIN (via right channel of headphone jack) */ + {"MICIN", NULL, "Mic Jack"}, + + /* Same as the above but no mic bias for line signals */ + {"MICIN", NULL, "Line Jack"}, +}; + +static const char *jack_function[] = {"Headphone", "Mic", "Line", "Headset", + "Off"}; +static const char *spk_function[] = {"On", "Off"}; +static const struct soc_enum corgi_enum[] = { + SOC_ENUM_SINGLE_EXT(5, jack_function), + SOC_ENUM_SINGLE_EXT(2, spk_function), +}; + +static const struct snd_kcontrol_new wm8731_corgi_controls[] = { + SOC_ENUM_EXT("Jack Function", corgi_enum[0], corgi_get_jack, + corgi_set_jack), + SOC_ENUM_EXT("Speaker Function", corgi_enum[1], corgi_get_spk, + corgi_set_spk), +}; + +/* corgi digital audio interface glue - connects codec <--> CPU */ +static struct snd_soc_dai_link corgi_dai = { + .name = "WM8731", + .stream_name = "WM8731", + .cpu_dai_name = "pxa2xx-i2s", + .codec_dai_name = "wm8731-hifi", + .platform_name = "pxa-pcm-audio", + .codec_name = "wm8731.0-001b", + .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF | + SND_SOC_DAIFMT_CBS_CFS, + .ops = &corgi_ops, +}; + +/* corgi audio machine driver */ +static struct snd_soc_card corgi = { + .name = "Corgi", + .owner = THIS_MODULE, + .dai_link = &corgi_dai, + .num_links = 1, + + .controls = wm8731_corgi_controls, + .num_controls = ARRAY_SIZE(wm8731_corgi_controls), + .dapm_widgets = wm8731_dapm_widgets, + .num_dapm_widgets = ARRAY_SIZE(wm8731_dapm_widgets), + .dapm_routes = corgi_audio_map, + .num_dapm_routes = ARRAY_SIZE(corgi_audio_map), + .fully_routed = true, +}; + +static int corgi_probe(struct platform_device *pdev) +{ + struct snd_soc_card *card = &corgi; + int ret; + + card->dev = &pdev->dev; + + ret = snd_soc_register_card(card); + if (ret) + dev_err(&pdev->dev, "snd_soc_register_card() failed: %d\n", + ret); + return ret; +} + +static int corgi_remove(struct platform_device *pdev) +{ + struct snd_soc_card *card = platform_get_drvdata(pdev); + + snd_soc_unregister_card(card); + return 0; +} + +static struct platform_driver corgi_driver = { + .driver = { + .name = "corgi-audio", + .pm = &snd_soc_pm_ops, + }, + .probe = corgi_probe, + .remove = corgi_remove, +}; + +module_platform_driver(corgi_driver); + +/* Module information */ +MODULE_AUTHOR("Richard Purdie"); +MODULE_DESCRIPTION("ALSA SoC Corgi"); +MODULE_LICENSE("GPL"); +MODULE_ALIAS("platform:corgi-audio"); diff --git a/kernel/sound/soc/pxa/e740_wm9705.c b/kernel/sound/soc/pxa/e740_wm9705.c new file mode 100644 index 000000000..d72e124a3 --- /dev/null +++ b/kernel/sound/soc/pxa/e740_wm9705.c @@ -0,0 +1,174 @@ +/* + * e740-wm9705.c -- SoC audio for e740 + * + * Copyright 2007 (c) Ian Molton <spyro@f2s.com> + * + * 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; version 2 ONLY. + * + */ + +#include <linux/module.h> +#include <linux/moduleparam.h> +#include <linux/gpio.h> + +#include <sound/core.h> +#include <sound/pcm.h> +#include <sound/soc.h> + +#include <mach/audio.h> +#include <mach/eseries-gpio.h> + +#include <asm/mach-types.h> + +#include "../codecs/wm9705.h" +#include "pxa2xx-ac97.h" + + +#define E740_AUDIO_OUT 1 +#define E740_AUDIO_IN 2 + +static int e740_audio_power; + +static void e740_sync_audio_power(int status) +{ + gpio_set_value(GPIO_E740_WM9705_nAVDD2, !status); + gpio_set_value(GPIO_E740_AMP_ON, (status & E740_AUDIO_OUT) ? 1 : 0); + gpio_set_value(GPIO_E740_MIC_ON, (status & E740_AUDIO_IN) ? 1 : 0); +} + +static int e740_mic_amp_event(struct snd_soc_dapm_widget *w, + struct snd_kcontrol *kcontrol, int event) +{ + if (event & SND_SOC_DAPM_PRE_PMU) + e740_audio_power |= E740_AUDIO_IN; + else if (event & SND_SOC_DAPM_POST_PMD) + e740_audio_power &= ~E740_AUDIO_IN; + + e740_sync_audio_power(e740_audio_power); + + return 0; +} + +static int e740_output_amp_event(struct snd_soc_dapm_widget *w, + struct snd_kcontrol *kcontrol, int event) +{ + if (event & SND_SOC_DAPM_PRE_PMU) + e740_audio_power |= E740_AUDIO_OUT; + else if (event & SND_SOC_DAPM_POST_PMD) + e740_audio_power &= ~E740_AUDIO_OUT; + + e740_sync_audio_power(e740_audio_power); + + return 0; +} + +static const struct snd_soc_dapm_widget e740_dapm_widgets[] = { + SND_SOC_DAPM_HP("Headphone Jack", NULL), + SND_SOC_DAPM_SPK("Speaker", NULL), + SND_SOC_DAPM_MIC("Mic (Internal)", NULL), + SND_SOC_DAPM_PGA_E("Output Amp", SND_SOC_NOPM, 0, 0, NULL, 0, + e740_output_amp_event, SND_SOC_DAPM_PRE_PMU | + SND_SOC_DAPM_POST_PMD), + SND_SOC_DAPM_PGA_E("Mic Amp", SND_SOC_NOPM, 0, 0, NULL, 0, + e740_mic_amp_event, SND_SOC_DAPM_PRE_PMU | + SND_SOC_DAPM_POST_PMD), +}; + +static const struct snd_soc_dapm_route audio_map[] = { + {"Output Amp", NULL, "LOUT"}, + {"Output Amp", NULL, "ROUT"}, + {"Output Amp", NULL, "MONOOUT"}, + + {"Speaker", NULL, "Output Amp"}, + {"Headphone Jack", NULL, "Output Amp"}, + + {"MIC1", NULL, "Mic Amp"}, + {"Mic Amp", NULL, "Mic (Internal)"}, +}; + +static struct snd_soc_dai_link e740_dai[] = { + { + .name = "AC97", + .stream_name = "AC97 HiFi", + .cpu_dai_name = "pxa2xx-ac97", + .codec_dai_name = "wm9705-hifi", + .platform_name = "pxa-pcm-audio", + .codec_name = "wm9705-codec", + }, + { + .name = "AC97 Aux", + .stream_name = "AC97 Aux", + .cpu_dai_name = "pxa2xx-ac97-aux", + .codec_dai_name = "wm9705-aux", + .platform_name = "pxa-pcm-audio", + .codec_name = "wm9705-codec", + }, +}; + +static struct snd_soc_card e740 = { + .name = "Toshiba e740", + .owner = THIS_MODULE, + .dai_link = e740_dai, + .num_links = ARRAY_SIZE(e740_dai), + + .dapm_widgets = e740_dapm_widgets, + .num_dapm_widgets = ARRAY_SIZE(e740_dapm_widgets), + .dapm_routes = audio_map, + .num_dapm_routes = ARRAY_SIZE(audio_map), + .fully_routed = true, +}; + +static struct gpio e740_audio_gpios[] = { + { GPIO_E740_MIC_ON, GPIOF_OUT_INIT_LOW, "Mic amp" }, + { GPIO_E740_AMP_ON, GPIOF_OUT_INIT_LOW, "Output amp" }, + { GPIO_E740_WM9705_nAVDD2, GPIOF_OUT_INIT_HIGH, "Audio power" }, +}; + +static int e740_probe(struct platform_device *pdev) +{ + struct snd_soc_card *card = &e740; + int ret; + + ret = gpio_request_array(e740_audio_gpios, + ARRAY_SIZE(e740_audio_gpios)); + if (ret) + return ret; + + card->dev = &pdev->dev; + + ret = snd_soc_register_card(card); + if (ret) { + dev_err(&pdev->dev, "snd_soc_register_card() failed: %d\n", + ret); + gpio_free_array(e740_audio_gpios, ARRAY_SIZE(e740_audio_gpios)); + } + return ret; +} + +static int e740_remove(struct platform_device *pdev) +{ + struct snd_soc_card *card = platform_get_drvdata(pdev); + + gpio_free_array(e740_audio_gpios, ARRAY_SIZE(e740_audio_gpios)); + snd_soc_unregister_card(card); + return 0; +} + +static struct platform_driver e740_driver = { + .driver = { + .name = "e740-audio", + .pm = &snd_soc_pm_ops, + }, + .probe = e740_probe, + .remove = e740_remove, +}; + +module_platform_driver(e740_driver); + +/* Module information */ +MODULE_AUTHOR("Ian Molton <spyro@f2s.com>"); +MODULE_DESCRIPTION("ALSA SoC driver for e740"); +MODULE_LICENSE("GPL v2"); +MODULE_ALIAS("platform:e740-audio"); diff --git a/kernel/sound/soc/pxa/e750_wm9705.c b/kernel/sound/soc/pxa/e750_wm9705.c new file mode 100644 index 000000000..48f2d7c2e --- /dev/null +++ b/kernel/sound/soc/pxa/e750_wm9705.c @@ -0,0 +1,156 @@ +/* + * e750-wm9705.c -- SoC audio for e750 + * + * Copyright 2007 (c) Ian Molton <spyro@f2s.com> + * + * 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; version 2 ONLY. + * + */ + +#include <linux/module.h> +#include <linux/moduleparam.h> +#include <linux/gpio.h> + +#include <sound/core.h> +#include <sound/pcm.h> +#include <sound/soc.h> + +#include <mach/audio.h> +#include <mach/eseries-gpio.h> + +#include <asm/mach-types.h> + +#include "../codecs/wm9705.h" +#include "pxa2xx-ac97.h" + +static int e750_spk_amp_event(struct snd_soc_dapm_widget *w, + struct snd_kcontrol *kcontrol, int event) +{ + if (event & SND_SOC_DAPM_PRE_PMU) + gpio_set_value(GPIO_E750_SPK_AMP_OFF, 0); + else if (event & SND_SOC_DAPM_POST_PMD) + gpio_set_value(GPIO_E750_SPK_AMP_OFF, 1); + + return 0; +} + +static int e750_hp_amp_event(struct snd_soc_dapm_widget *w, + struct snd_kcontrol *kcontrol, int event) +{ + if (event & SND_SOC_DAPM_PRE_PMU) + gpio_set_value(GPIO_E750_HP_AMP_OFF, 0); + else if (event & SND_SOC_DAPM_POST_PMD) + gpio_set_value(GPIO_E750_HP_AMP_OFF, 1); + + return 0; +} + +static const struct snd_soc_dapm_widget e750_dapm_widgets[] = { + SND_SOC_DAPM_HP("Headphone Jack", NULL), + SND_SOC_DAPM_SPK("Speaker", NULL), + SND_SOC_DAPM_MIC("Mic (Internal)", NULL), + SND_SOC_DAPM_PGA_E("Headphone Amp", SND_SOC_NOPM, 0, 0, NULL, 0, + e750_hp_amp_event, SND_SOC_DAPM_PRE_PMU | + SND_SOC_DAPM_POST_PMD), + SND_SOC_DAPM_PGA_E("Speaker Amp", SND_SOC_NOPM, 0, 0, NULL, 0, + e750_spk_amp_event, SND_SOC_DAPM_PRE_PMU | + SND_SOC_DAPM_POST_PMD), +}; + +static const struct snd_soc_dapm_route audio_map[] = { + {"Headphone Amp", NULL, "HPOUTL"}, + {"Headphone Amp", NULL, "HPOUTR"}, + {"Headphone Jack", NULL, "Headphone Amp"}, + + {"Speaker Amp", NULL, "MONOOUT"}, + {"Speaker", NULL, "Speaker Amp"}, + + {"MIC1", NULL, "Mic (Internal)"}, +}; + +static struct snd_soc_dai_link e750_dai[] = { + { + .name = "AC97", + .stream_name = "AC97 HiFi", + .cpu_dai_name = "pxa2xx-ac97", + .codec_dai_name = "wm9705-hifi", + .platform_name = "pxa-pcm-audio", + .codec_name = "wm9705-codec", + /* use ops to check startup state */ + }, + { + .name = "AC97 Aux", + .stream_name = "AC97 Aux", + .cpu_dai_name = "pxa2xx-ac97-aux", + .codec_dai_name ="wm9705-aux", + .platform_name = "pxa-pcm-audio", + .codec_name = "wm9705-codec", + }, +}; + +static struct snd_soc_card e750 = { + .name = "Toshiba e750", + .owner = THIS_MODULE, + .dai_link = e750_dai, + .num_links = ARRAY_SIZE(e750_dai), + + .dapm_widgets = e750_dapm_widgets, + .num_dapm_widgets = ARRAY_SIZE(e750_dapm_widgets), + .dapm_routes = audio_map, + .num_dapm_routes = ARRAY_SIZE(audio_map), + .fully_routed = true, +}; + +static struct gpio e750_audio_gpios[] = { + { GPIO_E750_HP_AMP_OFF, GPIOF_OUT_INIT_HIGH, "Headphone amp" }, + { GPIO_E750_SPK_AMP_OFF, GPIOF_OUT_INIT_HIGH, "Speaker amp" }, +}; + +static int e750_probe(struct platform_device *pdev) +{ + struct snd_soc_card *card = &e750; + int ret; + + ret = gpio_request_array(e750_audio_gpios, + ARRAY_SIZE(e750_audio_gpios)); + if (ret) + return ret; + + card->dev = &pdev->dev; + + ret = snd_soc_register_card(card); + if (ret) { + dev_err(&pdev->dev, "snd_soc_register_card() failed: %d\n", + ret); + gpio_free_array(e750_audio_gpios, ARRAY_SIZE(e750_audio_gpios)); + } + return ret; +} + +static int e750_remove(struct platform_device *pdev) +{ + struct snd_soc_card *card = platform_get_drvdata(pdev); + + gpio_free_array(e750_audio_gpios, ARRAY_SIZE(e750_audio_gpios)); + snd_soc_unregister_card(card); + return 0; +} + +static struct platform_driver e750_driver = { + .driver = { + .name = "e750-audio", + .pm = &snd_soc_pm_ops, + }, + .probe = e750_probe, + .remove = e750_remove, +}; + +module_platform_driver(e750_driver); + +/* Module information */ +MODULE_AUTHOR("Ian Molton <spyro@f2s.com>"); +MODULE_DESCRIPTION("ALSA SoC driver for e750"); +MODULE_LICENSE("GPL v2"); +MODULE_ALIAS("platform:e750-audio"); diff --git a/kernel/sound/soc/pxa/e800_wm9712.c b/kernel/sound/soc/pxa/e800_wm9712.c new file mode 100644 index 000000000..45d4bd46f --- /dev/null +++ b/kernel/sound/soc/pxa/e800_wm9712.c @@ -0,0 +1,155 @@ +/* + * e800-wm9712.c -- SoC audio for e800 + * + * Copyright 2007 (c) Ian Molton <spyro@f2s.com> + * + * 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; version 2 ONLY. + * + */ + +#include <linux/module.h> +#include <linux/moduleparam.h> +#include <linux/gpio.h> + +#include <sound/core.h> +#include <sound/pcm.h> +#include <sound/soc.h> + +#include <asm/mach-types.h> +#include <mach/audio.h> +#include <mach/eseries-gpio.h> + +#include "../codecs/wm9712.h" +#include "pxa2xx-ac97.h" + +static int e800_spk_amp_event(struct snd_soc_dapm_widget *w, + struct snd_kcontrol *kcontrol, int event) +{ + if (event & SND_SOC_DAPM_PRE_PMU) + gpio_set_value(GPIO_E800_SPK_AMP_ON, 1); + else if (event & SND_SOC_DAPM_POST_PMD) + gpio_set_value(GPIO_E800_SPK_AMP_ON, 0); + + return 0; +} + +static int e800_hp_amp_event(struct snd_soc_dapm_widget *w, + struct snd_kcontrol *kcontrol, int event) +{ + if (event & SND_SOC_DAPM_PRE_PMU) + gpio_set_value(GPIO_E800_HP_AMP_OFF, 0); + else if (event & SND_SOC_DAPM_POST_PMD) + gpio_set_value(GPIO_E800_HP_AMP_OFF, 1); + + return 0; +} + +static const struct snd_soc_dapm_widget e800_dapm_widgets[] = { + SND_SOC_DAPM_HP("Headphone Jack", NULL), + SND_SOC_DAPM_MIC("Mic (Internal1)", NULL), + SND_SOC_DAPM_MIC("Mic (Internal2)", NULL), + SND_SOC_DAPM_SPK("Speaker", NULL), + SND_SOC_DAPM_PGA_E("Headphone Amp", SND_SOC_NOPM, 0, 0, NULL, 0, + e800_hp_amp_event, SND_SOC_DAPM_PRE_PMU | + SND_SOC_DAPM_POST_PMD), + SND_SOC_DAPM_PGA_E("Speaker Amp", SND_SOC_NOPM, 0, 0, NULL, 0, + e800_spk_amp_event, SND_SOC_DAPM_PRE_PMU | + SND_SOC_DAPM_POST_PMD), +}; + +static const struct snd_soc_dapm_route audio_map[] = { + {"Headphone Jack", NULL, "HPOUTL"}, + {"Headphone Jack", NULL, "HPOUTR"}, + {"Headphone Jack", NULL, "Headphone Amp"}, + + {"Speaker Amp", NULL, "MONOOUT"}, + {"Speaker", NULL, "Speaker Amp"}, + + {"MIC1", NULL, "Mic (Internal1)"}, + {"MIC2", NULL, "Mic (Internal2)"}, +}; + +static struct snd_soc_dai_link e800_dai[] = { + { + .name = "AC97", + .stream_name = "AC97 HiFi", + .cpu_dai_name = "pxa2xx-ac97", + .codec_dai_name = "wm9712-hifi", + .platform_name = "pxa-pcm-audio", + .codec_name = "wm9712-codec", + }, + { + .name = "AC97 Aux", + .stream_name = "AC97 Aux", + .cpu_dai_name = "pxa2xx-ac97-aux", + .codec_dai_name ="wm9712-aux", + .platform_name = "pxa-pcm-audio", + .codec_name = "wm9712-codec", + }, +}; + +static struct snd_soc_card e800 = { + .name = "Toshiba e800", + .owner = THIS_MODULE, + .dai_link = e800_dai, + .num_links = ARRAY_SIZE(e800_dai), + + .dapm_widgets = e800_dapm_widgets, + .num_dapm_widgets = ARRAY_SIZE(e800_dapm_widgets), + .dapm_routes = audio_map, + .num_dapm_routes = ARRAY_SIZE(audio_map), +}; + +static struct gpio e800_audio_gpios[] = { + { GPIO_E800_SPK_AMP_ON, GPIOF_OUT_INIT_HIGH, "Headphone amp" }, + { GPIO_E800_HP_AMP_OFF, GPIOF_OUT_INIT_HIGH, "Speaker amp" }, +}; + +static int e800_probe(struct platform_device *pdev) +{ + struct snd_soc_card *card = &e800; + int ret; + + ret = gpio_request_array(e800_audio_gpios, + ARRAY_SIZE(e800_audio_gpios)); + if (ret) + return ret; + + card->dev = &pdev->dev; + + ret = snd_soc_register_card(card); + if (ret) { + dev_err(&pdev->dev, "snd_soc_register_card() failed: %d\n", + ret); + gpio_free_array(e800_audio_gpios, ARRAY_SIZE(e800_audio_gpios)); + } + return ret; +} + +static int e800_remove(struct platform_device *pdev) +{ + struct snd_soc_card *card = platform_get_drvdata(pdev); + + gpio_free_array(e800_audio_gpios, ARRAY_SIZE(e800_audio_gpios)); + snd_soc_unregister_card(card); + return 0; +} + +static struct platform_driver e800_driver = { + .driver = { + .name = "e800-audio", + .pm = &snd_soc_pm_ops, + }, + .probe = e800_probe, + .remove = e800_remove, +}; + +module_platform_driver(e800_driver); + +/* Module information */ +MODULE_AUTHOR("Ian Molton <spyro@f2s.com>"); +MODULE_DESCRIPTION("ALSA SoC driver for e800"); +MODULE_LICENSE("GPL v2"); +MODULE_ALIAS("platform:e800-audio"); diff --git a/kernel/sound/soc/pxa/em-x270.c b/kernel/sound/soc/pxa/em-x270.c new file mode 100644 index 000000000..64743a05a --- /dev/null +++ b/kernel/sound/soc/pxa/em-x270.c @@ -0,0 +1,96 @@ +/* + * SoC audio driver for EM-X270, eXeda and CM-X300 + * + * Copyright 2007, 2009 CompuLab, Ltd. + * + * Author: Mike Rapoport <mike@compulab.co.il> + * + * Copied from tosa.c: + * Copyright 2005 Wolfson Microelectronics PLC. + * Copyright 2005 Openedhand Ltd. + * + * Authors: Liam Girdwood <lrg@slimlogic.co.uk> + * Richard Purdie <richard@openedhand.com> + * + * 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/module.h> +#include <linux/moduleparam.h> +#include <linux/device.h> + +#include <sound/core.h> +#include <sound/pcm.h> +#include <sound/soc.h> + +#include <asm/mach-types.h> +#include <mach/audio.h> + +#include "../codecs/wm9712.h" +#include "pxa2xx-ac97.h" + +static struct snd_soc_dai_link em_x270_dai[] = { + { + .name = "AC97", + .stream_name = "AC97 HiFi", + .cpu_dai_name = "pxa2xx-ac97", + .codec_dai_name = "wm9712-hifi", + .platform_name = "pxa-pcm-audio", + .codec_name = "wm9712-codec", + }, + { + .name = "AC97 Aux", + .stream_name = "AC97 Aux", + .cpu_dai_name = "pxa2xx-ac97-aux", + .codec_dai_name ="wm9712-aux", + .platform_name = "pxa-pcm-audio", + .codec_name = "wm9712-codec", + }, +}; + +static struct snd_soc_card em_x270 = { + .name = "EM-X270", + .owner = THIS_MODULE, + .dai_link = em_x270_dai, + .num_links = ARRAY_SIZE(em_x270_dai), +}; + +static struct platform_device *em_x270_snd_device; + +static int __init em_x270_init(void) +{ + int ret; + + if (!(machine_is_em_x270() || machine_is_exeda() + || machine_is_cm_x300())) + return -ENODEV; + + em_x270_snd_device = platform_device_alloc("soc-audio", -1); + if (!em_x270_snd_device) + return -ENOMEM; + + platform_set_drvdata(em_x270_snd_device, &em_x270); + ret = platform_device_add(em_x270_snd_device); + + if (ret) + platform_device_put(em_x270_snd_device); + + return ret; +} + +static void __exit em_x270_exit(void) +{ + platform_device_unregister(em_x270_snd_device); +} + +module_init(em_x270_init); +module_exit(em_x270_exit); + +/* Module information */ +MODULE_AUTHOR("Mike Rapoport"); +MODULE_DESCRIPTION("ALSA SoC EM-X270, eXeda and CM-X300"); +MODULE_LICENSE("GPL"); diff --git a/kernel/sound/soc/pxa/hx4700.c b/kernel/sound/soc/pxa/hx4700.c new file mode 100644 index 000000000..9f8be7cd5 --- /dev/null +++ b/kernel/sound/soc/pxa/hx4700.c @@ -0,0 +1,229 @@ +/* + * SoC audio for HP iPAQ hx4700 + * + * Copyright (c) 2009 Philipp Zabel + * + * 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/module.h> +#include <linux/timer.h> +#include <linux/interrupt.h> +#include <linux/platform_device.h> +#include <linux/delay.h> +#include <linux/gpio.h> + +#include <sound/core.h> +#include <sound/jack.h> +#include <sound/pcm.h> +#include <sound/pcm_params.h> +#include <sound/soc.h> + +#include <mach/hx4700.h> +#include <asm/mach-types.h> +#include "pxa2xx-i2s.h" + +#include "../codecs/ak4641.h" + +static struct snd_soc_jack hs_jack; + +/* Headphones jack detection DAPM pin */ +static struct snd_soc_jack_pin hs_jack_pin[] = { + { + .pin = "Headphone Jack", + .mask = SND_JACK_HEADPHONE, + }, + { + .pin = "Speaker", + /* disable speaker when hp jack is inserted */ + .mask = SND_JACK_HEADPHONE, + .invert = 1, + }, +}; + +/* Headphones jack detection GPIO */ +static struct snd_soc_jack_gpio hs_jack_gpio = { + .gpio = GPIO75_HX4700_EARPHONE_nDET, + .invert = true, + .name = "hp-gpio", + .report = SND_JACK_HEADPHONE, + .debounce_time = 200, +}; + +/* + * iPAQ hx4700 uses I2S for capture and playback. + */ +static int hx4700_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 = 0; + + /* set the I2S system clock as output */ + ret = snd_soc_dai_set_sysclk(cpu_dai, PXA2XX_I2S_SYSCLK, 0, + SND_SOC_CLOCK_OUT); + if (ret < 0) + return ret; + + /* inform codec driver about clock freq * + * (PXA I2S always uses divider 256) */ + ret = snd_soc_dai_set_sysclk(codec_dai, 0, 256 * params_rate(params), + SND_SOC_CLOCK_IN); + if (ret < 0) + return ret; + + return 0; +} + +static struct snd_soc_ops hx4700_ops = { + .hw_params = hx4700_hw_params, +}; + +static int hx4700_spk_power(struct snd_soc_dapm_widget *w, + struct snd_kcontrol *k, int event) +{ + gpio_set_value(GPIO107_HX4700_SPK_nSD, !!SND_SOC_DAPM_EVENT_ON(event)); + return 0; +} + +static int hx4700_hp_power(struct snd_soc_dapm_widget *w, + struct snd_kcontrol *k, int event) +{ + gpio_set_value(GPIO92_HX4700_HP_DRIVER, !!SND_SOC_DAPM_EVENT_ON(event)); + return 0; +} + +/* hx4700 machine dapm widgets */ +static const struct snd_soc_dapm_widget hx4700_dapm_widgets[] = { + SND_SOC_DAPM_HP("Headphone Jack", hx4700_hp_power), + SND_SOC_DAPM_SPK("Speaker", hx4700_spk_power), + SND_SOC_DAPM_MIC("Built-in Microphone", NULL), +}; + +/* hx4700 machine audio_map */ +static const struct snd_soc_dapm_route hx4700_audio_map[] = { + + /* Headphone connected to LOUT, ROUT */ + {"Headphone Jack", NULL, "LOUT"}, + {"Headphone Jack", NULL, "ROUT"}, + + /* Speaker connected to MOUT2 */ + {"Speaker", NULL, "MOUT2"}, + + /* Microphone connected to MICIN */ + {"MICIN", NULL, "Built-in Microphone"}, + {"AIN", NULL, "MICOUT"}, +}; + +/* + * Logic for a ak4641 as connected on a HP iPAQ hx4700 + */ +static int hx4700_ak4641_init(struct snd_soc_pcm_runtime *rtd) +{ + int err; + + /* Jack detection API stuff */ + err = snd_soc_card_jack_new(rtd->card, "Headphone Jack", + SND_JACK_HEADPHONE, &hs_jack, hs_jack_pin, + ARRAY_SIZE(hs_jack_pin)); + if (err) + return err; + + err = snd_soc_jack_add_gpios(&hs_jack, 1, &hs_jack_gpio); + + return err; +} + +static int hx4700_card_remove(struct snd_soc_card *card) +{ + snd_soc_jack_free_gpios(&hs_jack, 1, &hs_jack_gpio); + + return 0; +} + +/* hx4700 digital audio interface glue - connects codec <--> CPU */ +static struct snd_soc_dai_link hx4700_dai = { + .name = "ak4641", + .stream_name = "AK4641", + .cpu_dai_name = "pxa2xx-i2s", + .codec_dai_name = "ak4641-hifi", + .platform_name = "pxa-pcm-audio", + .codec_name = "ak4641.0-0012", + .init = hx4700_ak4641_init, + .dai_fmt = SND_SOC_DAIFMT_MSB | SND_SOC_DAIFMT_NB_NF | + SND_SOC_DAIFMT_CBS_CFS, + .ops = &hx4700_ops, +}; + +/* hx4700 audio machine driver */ +static struct snd_soc_card snd_soc_card_hx4700 = { + .name = "iPAQ hx4700", + .owner = THIS_MODULE, + .remove = hx4700_card_remove, + .dai_link = &hx4700_dai, + .num_links = 1, + .dapm_widgets = hx4700_dapm_widgets, + .num_dapm_widgets = ARRAY_SIZE(hx4700_dapm_widgets), + .dapm_routes = hx4700_audio_map, + .num_dapm_routes = ARRAY_SIZE(hx4700_audio_map), + .fully_routed = true, +}; + +static struct gpio hx4700_audio_gpios[] = { + { GPIO107_HX4700_SPK_nSD, GPIOF_OUT_INIT_HIGH, "SPK_POWER" }, + { GPIO92_HX4700_HP_DRIVER, GPIOF_OUT_INIT_LOW, "EP_POWER" }, +}; + +static int hx4700_audio_probe(struct platform_device *pdev) +{ + int ret; + + if (!machine_is_h4700()) + return -ENODEV; + + ret = gpio_request_array(hx4700_audio_gpios, + ARRAY_SIZE(hx4700_audio_gpios)); + if (ret) + return ret; + + snd_soc_card_hx4700.dev = &pdev->dev; + ret = snd_soc_register_card(&snd_soc_card_hx4700); + if (ret) + gpio_free_array(hx4700_audio_gpios, + ARRAY_SIZE(hx4700_audio_gpios)); + + return ret; +} + +static int hx4700_audio_remove(struct platform_device *pdev) +{ + snd_soc_unregister_card(&snd_soc_card_hx4700); + + gpio_set_value(GPIO92_HX4700_HP_DRIVER, 0); + gpio_set_value(GPIO107_HX4700_SPK_nSD, 0); + + gpio_free_array(hx4700_audio_gpios, ARRAY_SIZE(hx4700_audio_gpios)); + return 0; +} + +static struct platform_driver hx4700_audio_driver = { + .driver = { + .name = "hx4700-audio", + .pm = &snd_soc_pm_ops, + }, + .probe = hx4700_audio_probe, + .remove = hx4700_audio_remove, +}; + +module_platform_driver(hx4700_audio_driver); + +MODULE_AUTHOR("Philipp Zabel"); +MODULE_DESCRIPTION("ALSA SoC iPAQ hx4700"); +MODULE_LICENSE("GPL"); +MODULE_ALIAS("platform:hx4700-audio"); diff --git a/kernel/sound/soc/pxa/imote2.c b/kernel/sound/soc/pxa/imote2.c new file mode 100644 index 000000000..29fabbfd2 --- /dev/null +++ b/kernel/sound/soc/pxa/imote2.c @@ -0,0 +1,104 @@ + +#include <linux/module.h> +#include <sound/soc.h> + +#include <asm/mach-types.h> + +#include "../codecs/wm8940.h" +#include "pxa2xx-i2s.h" + +static int imote2_asoc_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; + unsigned int clk = 0; + int ret; + + switch (params_rate(params)) { + case 8000: + case 16000: + case 48000: + case 96000: + clk = 12288000; + break; + case 11025: + case 22050: + case 44100: + clk = 11289600; + break; + } + + ret = snd_soc_dai_set_sysclk(codec_dai, 0, clk, + SND_SOC_CLOCK_IN); + if (ret < 0) + return ret; + + /* set the I2S system clock as input (unused) */ + ret = snd_soc_dai_set_sysclk(cpu_dai, PXA2XX_I2S_SYSCLK, clk, + SND_SOC_CLOCK_OUT); + + return ret; +} + +static struct snd_soc_ops imote2_asoc_ops = { + .hw_params = imote2_asoc_hw_params, +}; + +static struct snd_soc_dai_link imote2_dai = { + .name = "WM8940", + .stream_name = "WM8940", + .cpu_dai_name = "pxa2xx-i2s", + .codec_dai_name = "wm8940-hifi", + .platform_name = "pxa-pcm-audio", + .codec_name = "wm8940-codec.0-0034", + .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF | + SND_SOC_DAIFMT_CBS_CFS, + .ops = &imote2_asoc_ops, +}; + +static struct snd_soc_card imote2 = { + .name = "Imote2", + .owner = THIS_MODULE, + .dai_link = &imote2_dai, + .num_links = 1, +}; + +static int imote2_probe(struct platform_device *pdev) +{ + struct snd_soc_card *card = &imote2; + int ret; + + card->dev = &pdev->dev; + + ret = snd_soc_register_card(card); + if (ret) + dev_err(&pdev->dev, "snd_soc_register_card() failed: %d\n", + ret); + return ret; +} + +static int imote2_remove(struct platform_device *pdev) +{ + struct snd_soc_card *card = platform_get_drvdata(pdev); + + snd_soc_unregister_card(card); + return 0; +} + +static struct platform_driver imote2_driver = { + .driver = { + .name = "imote2-audio", + .pm = &snd_soc_pm_ops, + }, + .probe = imote2_probe, + .remove = imote2_remove, +}; + +module_platform_driver(imote2_driver); + +MODULE_AUTHOR("Jonathan Cameron"); +MODULE_DESCRIPTION("ALSA SoC Imote 2"); +MODULE_LICENSE("GPL"); +MODULE_ALIAS("platform:imote2-audio"); diff --git a/kernel/sound/soc/pxa/magician.c b/kernel/sound/soc/pxa/magician.c new file mode 100644 index 000000000..241d0be42 --- /dev/null +++ b/kernel/sound/soc/pxa/magician.c @@ -0,0 +1,534 @@ +/* + * SoC audio for HTC Magician + * + * Copyright (c) 2006 Philipp Zabel <philipp.zabel@gmail.com> + * + * based on spitz.c, + * Authors: Liam Girdwood <lrg@slimlogic.co.uk> + * Richard Purdie <richard@openedhand.com> + * + * 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/module.h> +#include <linux/timer.h> +#include <linux/interrupt.h> +#include <linux/platform_device.h> +#include <linux/delay.h> +#include <linux/gpio.h> +#include <linux/i2c.h> + +#include <sound/core.h> +#include <sound/pcm.h> +#include <sound/pcm_params.h> +#include <sound/soc.h> +#include <sound/uda1380.h> + +#include <mach/magician.h> +#include <asm/mach-types.h> +#include "../codecs/uda1380.h" +#include "pxa2xx-i2s.h" +#include "pxa-ssp.h" + +#define MAGICIAN_MIC 0 +#define MAGICIAN_MIC_EXT 1 + +static int magician_hp_switch; +static int magician_spk_switch = 1; +static int magician_in_sel = MAGICIAN_MIC; + +static void magician_ext_control(struct snd_soc_dapm_context *dapm) +{ + + snd_soc_dapm_mutex_lock(dapm); + + if (magician_spk_switch) + snd_soc_dapm_enable_pin_unlocked(dapm, "Speaker"); + else + snd_soc_dapm_disable_pin_unlocked(dapm, "Speaker"); + if (magician_hp_switch) + snd_soc_dapm_enable_pin_unlocked(dapm, "Headphone Jack"); + else + snd_soc_dapm_disable_pin_unlocked(dapm, "Headphone Jack"); + + switch (magician_in_sel) { + case MAGICIAN_MIC: + snd_soc_dapm_disable_pin_unlocked(dapm, "Headset Mic"); + snd_soc_dapm_enable_pin_unlocked(dapm, "Call Mic"); + break; + case MAGICIAN_MIC_EXT: + snd_soc_dapm_disable_pin_unlocked(dapm, "Call Mic"); + snd_soc_dapm_enable_pin_unlocked(dapm, "Headset Mic"); + break; + } + + snd_soc_dapm_sync_unlocked(dapm); + + snd_soc_dapm_mutex_unlock(dapm); +} + +static int magician_startup(struct snd_pcm_substream *substream) +{ + struct snd_soc_pcm_runtime *rtd = substream->private_data; + + /* check the jack status at stream startup */ + magician_ext_control(&rtd->card->dapm); + + return 0; +} + +/* + * Magician uses SSP port for playback. + */ +static int magician_playback_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; + unsigned int acps, acds, width; + unsigned int div4 = PXA_SSP_CLK_SCDB_4; + int ret = 0; + + width = snd_pcm_format_physical_width(params_format(params)); + + /* + * rate = SSPSCLK / (2 * width(16 or 32)) + * SSPSCLK = (ACPS / ACDS) / SSPSCLKDIV(div4 or div1) + */ + switch (params_rate(params)) { + case 8000: + /* off by a factor of 2: bug in the PXA27x audio clock? */ + acps = 32842000; + switch (width) { + case 16: + /* 513156 Hz ~= _2_ * 8000 Hz * 32 (+0.23%) */ + acds = PXA_SSP_CLK_AUDIO_DIV_16; + break; + default: /* 32 */ + /* 1026312 Hz ~= _2_ * 8000 Hz * 64 (+0.23%) */ + acds = PXA_SSP_CLK_AUDIO_DIV_8; + } + break; + case 11025: + acps = 5622000; + switch (width) { + case 16: + /* 351375 Hz ~= 11025 Hz * 32 (-0.41%) */ + acds = PXA_SSP_CLK_AUDIO_DIV_4; + break; + default: /* 32 */ + /* 702750 Hz ~= 11025 Hz * 64 (-0.41%) */ + acds = PXA_SSP_CLK_AUDIO_DIV_2; + } + break; + case 22050: + acps = 5622000; + switch (width) { + case 16: + /* 702750 Hz ~= 22050 Hz * 32 (-0.41%) */ + acds = PXA_SSP_CLK_AUDIO_DIV_2; + break; + default: /* 32 */ + /* 1405500 Hz ~= 22050 Hz * 64 (-0.41%) */ + acds = PXA_SSP_CLK_AUDIO_DIV_1; + } + break; + case 44100: + acps = 5622000; + switch (width) { + case 16: + /* 1405500 Hz ~= 44100 Hz * 32 (-0.41%) */ + acds = PXA_SSP_CLK_AUDIO_DIV_2; + break; + default: /* 32 */ + /* 2811000 Hz ~= 44100 Hz * 64 (-0.41%) */ + acds = PXA_SSP_CLK_AUDIO_DIV_1; + } + break; + case 48000: + acps = 12235000; + switch (width) { + case 16: + /* 1529375 Hz ~= 48000 Hz * 32 (-0.44%) */ + acds = PXA_SSP_CLK_AUDIO_DIV_2; + break; + default: /* 32 */ + /* 3058750 Hz ~= 48000 Hz * 64 (-0.44%) */ + acds = PXA_SSP_CLK_AUDIO_DIV_1; + } + break; + case 96000: + default: + acps = 12235000; + switch (width) { + case 16: + /* 3058750 Hz ~= 96000 Hz * 32 (-0.44%) */ + acds = PXA_SSP_CLK_AUDIO_DIV_1; + break; + default: /* 32 */ + /* 6117500 Hz ~= 96000 Hz * 64 (-0.44%) */ + acds = PXA_SSP_CLK_AUDIO_DIV_2; + div4 = PXA_SSP_CLK_SCDB_1; + break; + } + break; + } + + /* set codec DAI configuration */ + ret = snd_soc_dai_set_fmt(codec_dai, SND_SOC_DAIFMT_MSB | + SND_SOC_DAIFMT_NB_NF | SND_SOC_DAIFMT_CBS_CFS); + if (ret < 0) + return ret; + + /* set cpu DAI configuration */ + ret = snd_soc_dai_set_fmt(cpu_dai, SND_SOC_DAIFMT_DSP_A | + SND_SOC_DAIFMT_NB_IF | SND_SOC_DAIFMT_CBS_CFS); + if (ret < 0) + return ret; + + ret = snd_soc_dai_set_tdm_slot(cpu_dai, 1, 0, 1, width); + if (ret < 0) + return ret; + + /* set audio clock as clock source */ + ret = snd_soc_dai_set_sysclk(cpu_dai, PXA_SSP_CLK_AUDIO, 0, + SND_SOC_CLOCK_OUT); + if (ret < 0) + return ret; + + /* set the SSP audio system clock ACDS divider */ + ret = snd_soc_dai_set_clkdiv(cpu_dai, + PXA_SSP_AUDIO_DIV_ACDS, acds); + if (ret < 0) + return ret; + + /* set the SSP audio system clock SCDB divider4 */ + ret = snd_soc_dai_set_clkdiv(cpu_dai, + PXA_SSP_AUDIO_DIV_SCDB, div4); + if (ret < 0) + return ret; + + /* set SSP audio pll clock */ + ret = snd_soc_dai_set_pll(cpu_dai, 0, 0, 0, acps); + if (ret < 0) + return ret; + + return 0; +} + +/* + * Magician uses I2S for capture. + */ +static int magician_capture_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 = 0; + + /* set codec DAI configuration */ + ret = snd_soc_dai_set_fmt(codec_dai, + SND_SOC_DAIFMT_MSB | SND_SOC_DAIFMT_NB_NF | + SND_SOC_DAIFMT_CBS_CFS); + if (ret < 0) + return ret; + + /* set cpu DAI configuration */ + ret = snd_soc_dai_set_fmt(cpu_dai, + SND_SOC_DAIFMT_MSB | SND_SOC_DAIFMT_NB_NF | + SND_SOC_DAIFMT_CBS_CFS); + if (ret < 0) + return ret; + + /* set the I2S system clock as output */ + ret = snd_soc_dai_set_sysclk(cpu_dai, PXA2XX_I2S_SYSCLK, 0, + SND_SOC_CLOCK_OUT); + if (ret < 0) + return ret; + + return 0; +} + +static struct snd_soc_ops magician_capture_ops = { + .startup = magician_startup, + .hw_params = magician_capture_hw_params, +}; + +static struct snd_soc_ops magician_playback_ops = { + .startup = magician_startup, + .hw_params = magician_playback_hw_params, +}; + +static int magician_get_hp(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_value *ucontrol) +{ + ucontrol->value.integer.value[0] = magician_hp_switch; + return 0; +} + +static int magician_set_hp(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_value *ucontrol) +{ + struct snd_soc_card *card = snd_kcontrol_chip(kcontrol); + + if (magician_hp_switch == ucontrol->value.integer.value[0]) + return 0; + + magician_hp_switch = ucontrol->value.integer.value[0]; + magician_ext_control(&card->dapm); + return 1; +} + +static int magician_get_spk(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_value *ucontrol) +{ + ucontrol->value.integer.value[0] = magician_spk_switch; + return 0; +} + +static int magician_set_spk(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_value *ucontrol) +{ + struct snd_soc_card *card = snd_kcontrol_chip(kcontrol); + + if (magician_spk_switch == ucontrol->value.integer.value[0]) + return 0; + + magician_spk_switch = ucontrol->value.integer.value[0]; + magician_ext_control(&card->dapm); + return 1; +} + +static int magician_get_input(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_value *ucontrol) +{ + ucontrol->value.integer.value[0] = magician_in_sel; + return 0; +} + +static int magician_set_input(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_value *ucontrol) +{ + if (magician_in_sel == ucontrol->value.integer.value[0]) + return 0; + + magician_in_sel = ucontrol->value.integer.value[0]; + + switch (magician_in_sel) { + case MAGICIAN_MIC: + gpio_set_value(EGPIO_MAGICIAN_IN_SEL1, 1); + break; + case MAGICIAN_MIC_EXT: + gpio_set_value(EGPIO_MAGICIAN_IN_SEL1, 0); + } + + return 1; +} + +static int magician_spk_power(struct snd_soc_dapm_widget *w, + struct snd_kcontrol *k, int event) +{ + gpio_set_value(EGPIO_MAGICIAN_SPK_POWER, SND_SOC_DAPM_EVENT_ON(event)); + return 0; +} + +static int magician_hp_power(struct snd_soc_dapm_widget *w, + struct snd_kcontrol *k, int event) +{ + gpio_set_value(EGPIO_MAGICIAN_EP_POWER, SND_SOC_DAPM_EVENT_ON(event)); + return 0; +} + +static int magician_mic_bias(struct snd_soc_dapm_widget *w, + struct snd_kcontrol *k, int event) +{ + gpio_set_value(EGPIO_MAGICIAN_MIC_POWER, SND_SOC_DAPM_EVENT_ON(event)); + return 0; +} + +/* magician machine dapm widgets */ +static const struct snd_soc_dapm_widget uda1380_dapm_widgets[] = { + SND_SOC_DAPM_HP("Headphone Jack", magician_hp_power), + SND_SOC_DAPM_SPK("Speaker", magician_spk_power), + SND_SOC_DAPM_MIC("Call Mic", magician_mic_bias), + SND_SOC_DAPM_MIC("Headset Mic", magician_mic_bias), +}; + +/* magician machine audio_map */ +static const struct snd_soc_dapm_route audio_map[] = { + + /* Headphone connected to VOUTL, VOUTR */ + {"Headphone Jack", NULL, "VOUTL"}, + {"Headphone Jack", NULL, "VOUTR"}, + + /* Speaker connected to VOUTL, VOUTR */ + {"Speaker", NULL, "VOUTL"}, + {"Speaker", NULL, "VOUTR"}, + + /* Mics are connected to VINM */ + {"VINM", NULL, "Headset Mic"}, + {"VINM", NULL, "Call Mic"}, +}; + +static const char *input_select[] = {"Call Mic", "Headset Mic"}; +static const struct soc_enum magician_in_sel_enum = + SOC_ENUM_SINGLE_EXT(2, input_select); + +static const struct snd_kcontrol_new uda1380_magician_controls[] = { + SOC_SINGLE_BOOL_EXT("Headphone Switch", + (unsigned long)&magician_hp_switch, + magician_get_hp, magician_set_hp), + SOC_SINGLE_BOOL_EXT("Speaker Switch", + (unsigned long)&magician_spk_switch, + magician_get_spk, magician_set_spk), + SOC_ENUM_EXT("Input Select", magician_in_sel_enum, + magician_get_input, magician_set_input), +}; + +/* magician digital audio interface glue - connects codec <--> CPU */ +static struct snd_soc_dai_link magician_dai[] = { +{ + .name = "uda1380", + .stream_name = "UDA1380 Playback", + .cpu_dai_name = "pxa-ssp-dai.0", + .codec_dai_name = "uda1380-hifi-playback", + .platform_name = "pxa-pcm-audio", + .codec_name = "uda1380-codec.0-0018", + .ops = &magician_playback_ops, +}, +{ + .name = "uda1380", + .stream_name = "UDA1380 Capture", + .cpu_dai_name = "pxa2xx-i2s", + .codec_dai_name = "uda1380-hifi-capture", + .platform_name = "pxa-pcm-audio", + .codec_name = "uda1380-codec.0-0018", + .ops = &magician_capture_ops, +} +}; + +/* magician audio machine driver */ +static struct snd_soc_card snd_soc_card_magician = { + .name = "Magician", + .owner = THIS_MODULE, + .dai_link = magician_dai, + .num_links = ARRAY_SIZE(magician_dai), + + .controls = uda1380_magician_controls, + .num_controls = ARRAY_SIZE(uda1380_magician_controls), + .dapm_widgets = uda1380_dapm_widgets, + .num_dapm_widgets = ARRAY_SIZE(uda1380_dapm_widgets), + .dapm_routes = audio_map, + .num_dapm_routes = ARRAY_SIZE(audio_map), + .fully_routed = true, +}; + +static struct platform_device *magician_snd_device; + +/* + * FIXME: move into magician board file once merged into the pxa tree + */ +static struct uda1380_platform_data uda1380_info = { + .gpio_power = EGPIO_MAGICIAN_CODEC_POWER, + .gpio_reset = EGPIO_MAGICIAN_CODEC_RESET, + .dac_clk = UDA1380_DAC_CLK_WSPLL, +}; + +static struct i2c_board_info i2c_board_info[] = { + { + I2C_BOARD_INFO("uda1380", 0x18), + .platform_data = &uda1380_info, + }, +}; + +static int __init magician_init(void) +{ + int ret; + struct i2c_adapter *adapter; + struct i2c_client *client; + + if (!machine_is_magician()) + return -ENODEV; + + adapter = i2c_get_adapter(0); + if (!adapter) + return -ENODEV; + client = i2c_new_device(adapter, i2c_board_info); + i2c_put_adapter(adapter); + if (!client) + return -ENODEV; + + ret = gpio_request(EGPIO_MAGICIAN_SPK_POWER, "SPK_POWER"); + if (ret) + goto err_request_spk; + ret = gpio_request(EGPIO_MAGICIAN_EP_POWER, "EP_POWER"); + if (ret) + goto err_request_ep; + ret = gpio_request(EGPIO_MAGICIAN_MIC_POWER, "MIC_POWER"); + if (ret) + goto err_request_mic; + ret = gpio_request(EGPIO_MAGICIAN_IN_SEL0, "IN_SEL0"); + if (ret) + goto err_request_in_sel0; + ret = gpio_request(EGPIO_MAGICIAN_IN_SEL1, "IN_SEL1"); + if (ret) + goto err_request_in_sel1; + + gpio_set_value(EGPIO_MAGICIAN_IN_SEL0, 0); + + magician_snd_device = platform_device_alloc("soc-audio", -1); + if (!magician_snd_device) { + ret = -ENOMEM; + goto err_pdev; + } + + platform_set_drvdata(magician_snd_device, &snd_soc_card_magician); + ret = platform_device_add(magician_snd_device); + if (ret) { + platform_device_put(magician_snd_device); + goto err_pdev; + } + + return 0; + +err_pdev: + gpio_free(EGPIO_MAGICIAN_IN_SEL1); +err_request_in_sel1: + gpio_free(EGPIO_MAGICIAN_IN_SEL0); +err_request_in_sel0: + gpio_free(EGPIO_MAGICIAN_MIC_POWER); +err_request_mic: + gpio_free(EGPIO_MAGICIAN_EP_POWER); +err_request_ep: + gpio_free(EGPIO_MAGICIAN_SPK_POWER); +err_request_spk: + return ret; +} + +static void __exit magician_exit(void) +{ + platform_device_unregister(magician_snd_device); + + gpio_set_value(EGPIO_MAGICIAN_SPK_POWER, 0); + gpio_set_value(EGPIO_MAGICIAN_EP_POWER, 0); + gpio_set_value(EGPIO_MAGICIAN_MIC_POWER, 0); + + gpio_free(EGPIO_MAGICIAN_IN_SEL1); + gpio_free(EGPIO_MAGICIAN_IN_SEL0); + gpio_free(EGPIO_MAGICIAN_MIC_POWER); + gpio_free(EGPIO_MAGICIAN_EP_POWER); + gpio_free(EGPIO_MAGICIAN_SPK_POWER); +} + +module_init(magician_init); +module_exit(magician_exit); + +MODULE_AUTHOR("Philipp Zabel"); +MODULE_DESCRIPTION("ALSA SoC Magician"); +MODULE_LICENSE("GPL"); diff --git a/kernel/sound/soc/pxa/mioa701_wm9713.c b/kernel/sound/soc/pxa/mioa701_wm9713.c new file mode 100644 index 000000000..a9615a574 --- /dev/null +++ b/kernel/sound/soc/pxa/mioa701_wm9713.c @@ -0,0 +1,214 @@ +/* + * Handles the Mitac mioa701 SoC system + * + * Copyright (C) 2008 Robert Jarzmik + * + * 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 in version 2 of the License. + * + * 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + * + * This is a little schema of the sound interconnections : + * + * Sagem X200 Wolfson WM9713 + * +--------+ +-------------------+ Rear Speaker + * | | | | /-+ + * | +--->----->---+MONOIN SPKL+--->----+-+ | + * | GSM | | | | | | + * | +--->----->---+PCBEEP SPKR+--->----+-+ | + * | CHIP | | | \-+ + * | +---<-----<---+MONO | + * | | | | Front Speaker + * +--------+ | | /-+ + * | HPL+--->----+-+ | + * | | | | | + * | OUT3+--->----+-+ | + * | | \-+ + * | | + * | | Front Micro + * | | + + * | MIC1+-----<--+o+ + * | | + + * +-------------------+ --- + */ + +#include <linux/module.h> +#include <linux/moduleparam.h> +#include <linux/platform_device.h> + +#include <asm/mach-types.h> +#include <mach/audio.h> + +#include <sound/core.h> +#include <sound/pcm.h> +#include <sound/soc.h> +#include <sound/initval.h> +#include <sound/ac97_codec.h> + +#include "pxa2xx-ac97.h" +#include "../codecs/wm9713.h" + +#define AC97_GPIO_PULL 0x58 + +/* Use GPIO8 for rear speaker amplifier */ +static int rear_amp_power(struct snd_soc_codec *codec, int power) +{ + unsigned short reg; + + if (power) { + reg = snd_soc_read(codec, AC97_GPIO_CFG); + snd_soc_write(codec, AC97_GPIO_CFG, reg | 0x0100); + reg = snd_soc_read(codec, AC97_GPIO_PULL); + snd_soc_write(codec, AC97_GPIO_PULL, reg | (1<<15)); + } else { + reg = snd_soc_read(codec, AC97_GPIO_CFG); + snd_soc_write(codec, AC97_GPIO_CFG, reg & ~0x0100); + reg = snd_soc_read(codec, AC97_GPIO_PULL); + snd_soc_write(codec, AC97_GPIO_PULL, reg & ~(1<<15)); + } + + return 0; +} + +static int rear_amp_event(struct snd_soc_dapm_widget *widget, + struct snd_kcontrol *kctl, int event) +{ + struct snd_soc_codec *codec = widget->dapm->card->rtd[0].codec; + + return rear_amp_power(codec, SND_SOC_DAPM_EVENT_ON(event)); +} + +/* mioa701 machine dapm widgets */ +static const struct snd_soc_dapm_widget mioa701_dapm_widgets[] = { + SND_SOC_DAPM_SPK("Front Speaker", NULL), + SND_SOC_DAPM_SPK("Rear Speaker", rear_amp_event), + SND_SOC_DAPM_MIC("Headset", NULL), + SND_SOC_DAPM_LINE("GSM Line Out", NULL), + SND_SOC_DAPM_LINE("GSM Line In", NULL), + SND_SOC_DAPM_MIC("Headset Mic", NULL), + SND_SOC_DAPM_MIC("Front Mic", NULL), +}; + +static const struct snd_soc_dapm_route audio_map[] = { + /* Call Mic */ + {"Mic Bias", NULL, "Front Mic"}, + {"MIC1", NULL, "Mic Bias"}, + + /* Headset Mic */ + {"LINEL", NULL, "Headset Mic"}, + {"LINER", NULL, "Headset Mic"}, + + /* GSM Module */ + {"MONOIN", NULL, "GSM Line Out"}, + {"PCBEEP", NULL, "GSM Line Out"}, + {"GSM Line In", NULL, "MONO"}, + + /* headphone connected to HPL, HPR */ + {"Headset", NULL, "HPL"}, + {"Headset", NULL, "HPR"}, + + /* front speaker connected to HPL, OUT3 */ + {"Front Speaker", NULL, "HPL"}, + {"Front Speaker", NULL, "OUT3"}, + + /* rear speaker connected to SPKL, SPKR */ + {"Rear Speaker", NULL, "SPKL"}, + {"Rear Speaker", NULL, "SPKR"}, +}; + +static int mioa701_wm9713_init(struct snd_soc_pcm_runtime *rtd) +{ + struct snd_soc_codec *codec = rtd->codec; + + /* Prepare GPIO8 for rear speaker amplifier */ + snd_soc_update_bits(codec, AC97_GPIO_CFG, 0x100, 0x100); + + /* Prepare MIC input */ + snd_soc_update_bits(codec, AC97_3D_CONTROL, 0xc000, 0xc000); + + return 0; +} + +static struct snd_soc_ops mioa701_ops; + +static struct snd_soc_dai_link mioa701_dai[] = { + { + .name = "AC97", + .stream_name = "AC97 HiFi", + .cpu_dai_name = "pxa2xx-ac97", + .codec_dai_name = "wm9713-hifi", + .codec_name = "wm9713-codec", + .init = mioa701_wm9713_init, + .platform_name = "pxa-pcm-audio", + .ops = &mioa701_ops, + }, + { + .name = "AC97 Aux", + .stream_name = "AC97 Aux", + .cpu_dai_name = "pxa2xx-ac97-aux", + .codec_dai_name ="wm9713-aux", + .codec_name = "wm9713-codec", + .platform_name = "pxa-pcm-audio", + .ops = &mioa701_ops, + }, +}; + +static struct snd_soc_card mioa701 = { + .name = "MioA701", + .owner = THIS_MODULE, + .dai_link = mioa701_dai, + .num_links = ARRAY_SIZE(mioa701_dai), + + .dapm_widgets = mioa701_dapm_widgets, + .num_dapm_widgets = ARRAY_SIZE(mioa701_dapm_widgets), + .dapm_routes = audio_map, + .num_dapm_routes = ARRAY_SIZE(audio_map), +}; + +static int mioa701_wm9713_probe(struct platform_device *pdev) +{ + int rc; + + if (!machine_is_mioa701()) + return -ENODEV; + + mioa701.dev = &pdev->dev; + rc = snd_soc_register_card(&mioa701); + if (!rc) + dev_warn(&pdev->dev, "Be warned that incorrect mixers/muxes setup will" + "lead to overheating and possible destruction of your device." + " Do not use without a good knowledge of mio's board design!\n"); + return rc; +} + +static int mioa701_wm9713_remove(struct platform_device *pdev) +{ + struct snd_soc_card *card = platform_get_drvdata(pdev); + + snd_soc_unregister_card(card); + return 0; +} + +static struct platform_driver mioa701_wm9713_driver = { + .probe = mioa701_wm9713_probe, + .remove = mioa701_wm9713_remove, + .driver = { + .name = "mioa701-wm9713", + .pm = &snd_soc_pm_ops, + }, +}; + +module_platform_driver(mioa701_wm9713_driver); + +/* Module information */ +MODULE_AUTHOR("Robert Jarzmik (rjarzmik@free.fr)"); +MODULE_DESCRIPTION("ALSA SoC WM9713 MIO A701"); +MODULE_LICENSE("GPL"); diff --git a/kernel/sound/soc/pxa/mmp-pcm.c b/kernel/sound/soc/pxa/mmp-pcm.c new file mode 100644 index 000000000..1eb45dcfb --- /dev/null +++ b/kernel/sound/soc/pxa/mmp-pcm.c @@ -0,0 +1,257 @@ +/* + * linux/sound/soc/pxa/mmp-pcm.c + * + * Copyright (C) 2011 Marvell International Ltd. + * + * 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/module.h> +#include <linux/init.h> +#include <linux/platform_device.h> +#include <linux/slab.h> +#include <linux/dma-mapping.h> +#include <linux/dmaengine.h> +#include <linux/platform_data/dma-mmp_tdma.h> +#include <linux/platform_data/mmp_audio.h> + +#include <sound/pxa2xx-lib.h> +#include <sound/core.h> +#include <sound/pcm.h> +#include <sound/pcm_params.h> +#include <sound/soc.h> +#include <sound/dmaengine_pcm.h> + +struct mmp_dma_data { + int ssp_id; + struct resource *dma_res; +}; + +#define MMP_PCM_INFO (SNDRV_PCM_INFO_MMAP | \ + SNDRV_PCM_INFO_MMAP_VALID | \ + SNDRV_PCM_INFO_INTERLEAVED | \ + SNDRV_PCM_INFO_PAUSE | \ + SNDRV_PCM_INFO_RESUME | \ + SNDRV_PCM_INFO_NO_PERIOD_WAKEUP) + +static struct snd_pcm_hardware mmp_pcm_hardware[] = { + { + .info = MMP_PCM_INFO, + .period_bytes_min = 1024, + .period_bytes_max = 2048, + .periods_min = 2, + .periods_max = 32, + .buffer_bytes_max = 4096, + .fifo_size = 32, + }, + { + .info = MMP_PCM_INFO, + .period_bytes_min = 1024, + .period_bytes_max = 2048, + .periods_min = 2, + .periods_max = 32, + .buffer_bytes_max = 4096, + .fifo_size = 32, + }, +}; + +static int mmp_pcm_hw_params(struct snd_pcm_substream *substream, + struct snd_pcm_hw_params *params) +{ + struct dma_chan *chan = snd_dmaengine_pcm_get_chan(substream); + struct dma_slave_config slave_config; + int ret; + + ret = + snd_dmaengine_pcm_prepare_slave_config(substream, params, + &slave_config); + if (ret) + return ret; + + ret = dmaengine_slave_config(chan, &slave_config); + if (ret) + return ret; + + snd_pcm_set_runtime_buffer(substream, &substream->dma_buffer); + + return 0; +} + +static bool filter(struct dma_chan *chan, void *param) +{ + struct mmp_dma_data *dma_data = param; + bool found = false; + char *devname; + + devname = kasprintf(GFP_KERNEL, "%s.%d", dma_data->dma_res->name, + dma_data->ssp_id); + if ((strcmp(dev_name(chan->device->dev), devname) == 0) && + (chan->chan_id == dma_data->dma_res->start)) { + found = true; + } + + kfree(devname); + return found; +} + +static int mmp_pcm_open(struct snd_pcm_substream *substream) +{ + struct snd_soc_pcm_runtime *rtd = substream->private_data; + struct platform_device *pdev = to_platform_device(rtd->platform->dev); + struct snd_soc_dai *cpu_dai = rtd->cpu_dai; + struct mmp_dma_data dma_data; + struct resource *r; + + r = platform_get_resource(pdev, IORESOURCE_DMA, substream->stream); + if (!r) + return -EBUSY; + + snd_soc_set_runtime_hwparams(substream, + &mmp_pcm_hardware[substream->stream]); + + dma_data.dma_res = r; + dma_data.ssp_id = cpu_dai->id; + + return snd_dmaengine_pcm_open_request_chan(substream, filter, + &dma_data); +} + +static int mmp_pcm_mmap(struct snd_pcm_substream *substream, + struct vm_area_struct *vma) +{ + struct snd_pcm_runtime *runtime = substream->runtime; + unsigned long off = vma->vm_pgoff; + + vma->vm_page_prot = pgprot_noncached(vma->vm_page_prot); + return remap_pfn_range(vma, vma->vm_start, + __phys_to_pfn(runtime->dma_addr) + off, + vma->vm_end - vma->vm_start, vma->vm_page_prot); +} + +static struct snd_pcm_ops mmp_pcm_ops = { + .open = mmp_pcm_open, + .close = snd_dmaengine_pcm_close_release_chan, + .ioctl = snd_pcm_lib_ioctl, + .hw_params = mmp_pcm_hw_params, + .trigger = snd_dmaengine_pcm_trigger, + .pointer = snd_dmaengine_pcm_pointer, + .mmap = mmp_pcm_mmap, +}; + +static void mmp_pcm_free_dma_buffers(struct snd_pcm *pcm) +{ + struct snd_pcm_substream *substream; + struct snd_dma_buffer *buf; + int stream; + struct gen_pool *gpool; + + gpool = sram_get_gpool("asram"); + if (!gpool) + return; + + for (stream = 0; stream < 2; stream++) { + size_t size = mmp_pcm_hardware[stream].buffer_bytes_max; + + substream = pcm->streams[stream].substream; + if (!substream) + continue; + + buf = &substream->dma_buffer; + if (!buf->area) + continue; + gen_pool_free(gpool, (unsigned long)buf->area, size); + buf->area = NULL; + } + + return; +} + +static int mmp_pcm_preallocate_dma_buffer(struct snd_pcm_substream *substream, + int stream) +{ + struct snd_dma_buffer *buf = &substream->dma_buffer; + size_t size = mmp_pcm_hardware[stream].buffer_bytes_max; + struct gen_pool *gpool; + + buf->dev.type = SNDRV_DMA_TYPE_DEV; + buf->dev.dev = substream->pcm->card->dev; + buf->private_data = NULL; + + gpool = sram_get_gpool("asram"); + if (!gpool) + return -ENOMEM; + + buf->area = gen_pool_dma_alloc(gpool, size, &buf->addr); + if (!buf->area) + return -ENOMEM; + buf->bytes = size; + return 0; +} + +static int mmp_pcm_new(struct snd_soc_pcm_runtime *rtd) +{ + struct snd_pcm_substream *substream; + struct snd_pcm *pcm = rtd->pcm; + int ret = 0, stream; + + for (stream = 0; stream < 2; stream++) { + substream = pcm->streams[stream].substream; + + ret = mmp_pcm_preallocate_dma_buffer(substream, stream); + if (ret) + goto err; + } + + return 0; + +err: + mmp_pcm_free_dma_buffers(pcm); + return ret; +} + +static struct snd_soc_platform_driver mmp_soc_platform = { + .ops = &mmp_pcm_ops, + .pcm_new = mmp_pcm_new, + .pcm_free = mmp_pcm_free_dma_buffers, +}; + +static int mmp_pcm_probe(struct platform_device *pdev) +{ + struct mmp_audio_platdata *pdata = pdev->dev.platform_data; + + if (pdata) { + mmp_pcm_hardware[SNDRV_PCM_STREAM_PLAYBACK].buffer_bytes_max = + pdata->buffer_max_playback; + mmp_pcm_hardware[SNDRV_PCM_STREAM_PLAYBACK].period_bytes_max = + pdata->period_max_playback; + mmp_pcm_hardware[SNDRV_PCM_STREAM_CAPTURE].buffer_bytes_max = + pdata->buffer_max_capture; + mmp_pcm_hardware[SNDRV_PCM_STREAM_CAPTURE].period_bytes_max = + pdata->period_max_capture; + } + return snd_soc_register_platform(&pdev->dev, &mmp_soc_platform); +} + +static int mmp_pcm_remove(struct platform_device *pdev) +{ + snd_soc_unregister_platform(&pdev->dev); + return 0; +} + +static struct platform_driver mmp_pcm_driver = { + .driver = { + .name = "mmp-pcm-audio", + }, + + .probe = mmp_pcm_probe, + .remove = mmp_pcm_remove, +}; + +module_platform_driver(mmp_pcm_driver); + +MODULE_AUTHOR("Leo Yan <leoy@marvell.com>"); +MODULE_DESCRIPTION("MMP Soc Audio DMA module"); +MODULE_LICENSE("GPL"); diff --git a/kernel/sound/soc/pxa/mmp-sspa.c b/kernel/sound/soc/pxa/mmp-sspa.c new file mode 100644 index 000000000..eca60c297 --- /dev/null +++ b/kernel/sound/soc/pxa/mmp-sspa.c @@ -0,0 +1,484 @@ +/* + * linux/sound/soc/pxa/mmp-sspa.c + * Base on pxa2xx-ssp.c + * + * Copyright (C) 2011 Marvell International Ltd. + * + * 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. + * + * 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + * + */ +#include <linux/init.h> +#include <linux/module.h> +#include <linux/platform_device.h> +#include <linux/delay.h> +#include <linux/clk.h> +#include <linux/slab.h> +#include <linux/pxa2xx_ssp.h> +#include <linux/io.h> +#include <linux/dmaengine.h> + +#include <sound/core.h> +#include <sound/pcm.h> +#include <sound/initval.h> +#include <sound/pcm_params.h> +#include <sound/soc.h> +#include <sound/pxa2xx-lib.h> +#include <sound/dmaengine_pcm.h> +#include "mmp-sspa.h" + +/* + * SSPA audio private data + */ +struct sspa_priv { + struct ssp_device *sspa; + struct snd_dmaengine_dai_dma_data *dma_params; + struct clk *audio_clk; + struct clk *sysclk; + int dai_fmt; + int running_cnt; +}; + +static void mmp_sspa_write_reg(struct ssp_device *sspa, u32 reg, u32 val) +{ + __raw_writel(val, sspa->mmio_base + reg); +} + +static u32 mmp_sspa_read_reg(struct ssp_device *sspa, u32 reg) +{ + return __raw_readl(sspa->mmio_base + reg); +} + +static void mmp_sspa_tx_enable(struct ssp_device *sspa) +{ + unsigned int sspa_sp; + + sspa_sp = mmp_sspa_read_reg(sspa, SSPA_TXSP); + sspa_sp |= SSPA_SP_S_EN; + sspa_sp |= SSPA_SP_WEN; + mmp_sspa_write_reg(sspa, SSPA_TXSP, sspa_sp); +} + +static void mmp_sspa_tx_disable(struct ssp_device *sspa) +{ + unsigned int sspa_sp; + + sspa_sp = mmp_sspa_read_reg(sspa, SSPA_TXSP); + sspa_sp &= ~SSPA_SP_S_EN; + sspa_sp |= SSPA_SP_WEN; + mmp_sspa_write_reg(sspa, SSPA_TXSP, sspa_sp); +} + +static void mmp_sspa_rx_enable(struct ssp_device *sspa) +{ + unsigned int sspa_sp; + + sspa_sp = mmp_sspa_read_reg(sspa, SSPA_RXSP); + sspa_sp |= SSPA_SP_S_EN; + sspa_sp |= SSPA_SP_WEN; + mmp_sspa_write_reg(sspa, SSPA_RXSP, sspa_sp); +} + +static void mmp_sspa_rx_disable(struct ssp_device *sspa) +{ + unsigned int sspa_sp; + + sspa_sp = mmp_sspa_read_reg(sspa, SSPA_RXSP); + sspa_sp &= ~SSPA_SP_S_EN; + sspa_sp |= SSPA_SP_WEN; + mmp_sspa_write_reg(sspa, SSPA_RXSP, sspa_sp); +} + +static int mmp_sspa_startup(struct snd_pcm_substream *substream, + struct snd_soc_dai *dai) +{ + struct sspa_priv *priv = snd_soc_dai_get_drvdata(dai); + + clk_enable(priv->sysclk); + clk_enable(priv->sspa->clk); + + return 0; +} + +static void mmp_sspa_shutdown(struct snd_pcm_substream *substream, + struct snd_soc_dai *dai) +{ + struct sspa_priv *priv = snd_soc_dai_get_drvdata(dai); + + clk_disable(priv->sspa->clk); + clk_disable(priv->sysclk); + + return; +} + +/* + * Set the SSP ports SYSCLK. + */ +static int mmp_sspa_set_dai_sysclk(struct snd_soc_dai *cpu_dai, + int clk_id, unsigned int freq, int dir) +{ + struct sspa_priv *priv = snd_soc_dai_get_drvdata(cpu_dai); + int ret = 0; + + switch (clk_id) { + case MMP_SSPA_CLK_AUDIO: + ret = clk_set_rate(priv->audio_clk, freq); + if (ret) + return ret; + break; + case MMP_SSPA_CLK_PLL: + case MMP_SSPA_CLK_VCXO: + /* not support yet */ + return -EINVAL; + default: + return -EINVAL; + } + + return 0; +} + +static int mmp_sspa_set_dai_pll(struct snd_soc_dai *cpu_dai, int pll_id, + int source, unsigned int freq_in, + unsigned int freq_out) +{ + struct sspa_priv *priv = snd_soc_dai_get_drvdata(cpu_dai); + int ret = 0; + + switch (pll_id) { + case MMP_SYSCLK: + ret = clk_set_rate(priv->sysclk, freq_out); + if (ret) + return ret; + break; + case MMP_SSPA_CLK: + ret = clk_set_rate(priv->sspa->clk, freq_out); + if (ret) + return ret; + break; + default: + return -ENODEV; + } + + return 0; +} + +/* + * Set up the sspa dai format. The sspa port must be inactive + * before calling this function as the physical + * interface format is changed. + */ +static int mmp_sspa_set_dai_fmt(struct snd_soc_dai *cpu_dai, + unsigned int fmt) +{ + struct sspa_priv *sspa_priv = snd_soc_dai_get_drvdata(cpu_dai); + struct ssp_device *sspa = sspa_priv->sspa; + u32 sspa_sp, sspa_ctrl; + + /* check if we need to change anything at all */ + if (sspa_priv->dai_fmt == fmt) + return 0; + + /* we can only change the settings if the port is not in use */ + if ((mmp_sspa_read_reg(sspa, SSPA_TXSP) & SSPA_SP_S_EN) || + (mmp_sspa_read_reg(sspa, SSPA_RXSP) & SSPA_SP_S_EN)) { + dev_err(&sspa->pdev->dev, + "can't change hardware dai format: stream is in use\n"); + return -EINVAL; + } + + /* reset port settings */ + sspa_sp = SSPA_SP_WEN | SSPA_SP_S_RST | SSPA_SP_FFLUSH; + sspa_ctrl = 0; + + switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) { + case SND_SOC_DAIFMT_CBS_CFS: + sspa_sp |= SSPA_SP_MSL; + break; + case SND_SOC_DAIFMT_CBM_CFM: + break; + default: + return -EINVAL; + } + + switch (fmt & SND_SOC_DAIFMT_INV_MASK) { + case SND_SOC_DAIFMT_NB_NF: + sspa_sp |= SSPA_SP_FSP; + break; + default: + return -EINVAL; + } + + switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) { + case SND_SOC_DAIFMT_I2S: + sspa_sp |= SSPA_TXSP_FPER(63); + sspa_sp |= SSPA_SP_FWID(31); + sspa_ctrl |= SSPA_CTL_XDATDLY(1); + break; + default: + return -EINVAL; + } + + mmp_sspa_write_reg(sspa, SSPA_TXSP, sspa_sp); + mmp_sspa_write_reg(sspa, SSPA_RXSP, sspa_sp); + + sspa_sp &= ~(SSPA_SP_S_RST | SSPA_SP_FFLUSH); + mmp_sspa_write_reg(sspa, SSPA_TXSP, sspa_sp); + mmp_sspa_write_reg(sspa, SSPA_RXSP, sspa_sp); + + /* + * FIXME: hw issue, for the tx serial port, + * can not config the master/slave mode; + * so must clean this bit. + * The master/slave mode has been set in the + * rx port. + */ + sspa_sp &= ~SSPA_SP_MSL; + mmp_sspa_write_reg(sspa, SSPA_TXSP, sspa_sp); + + mmp_sspa_write_reg(sspa, SSPA_TXCTL, sspa_ctrl); + mmp_sspa_write_reg(sspa, SSPA_RXCTL, sspa_ctrl); + + /* Since we are configuring the timings for the format by hand + * we have to defer some things until hw_params() where we + * know parameters like the sample size. + */ + sspa_priv->dai_fmt = fmt; + return 0; +} + +/* + * Set the SSPA audio DMA parameters and sample size. + * Can be called multiple times by oss emulation. + */ +static int mmp_sspa_hw_params(struct snd_pcm_substream *substream, + struct snd_pcm_hw_params *params, + struct snd_soc_dai *dai) +{ + struct snd_soc_pcm_runtime *rtd = substream->private_data; + struct snd_soc_dai *cpu_dai = rtd->cpu_dai; + struct sspa_priv *sspa_priv = snd_soc_dai_get_drvdata(dai); + struct ssp_device *sspa = sspa_priv->sspa; + struct snd_dmaengine_dai_dma_data *dma_params; + u32 sspa_ctrl; + + if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) + sspa_ctrl = mmp_sspa_read_reg(sspa, SSPA_TXCTL); + else + sspa_ctrl = mmp_sspa_read_reg(sspa, SSPA_RXCTL); + + sspa_ctrl &= ~SSPA_CTL_XFRLEN1_MASK; + sspa_ctrl |= SSPA_CTL_XFRLEN1(params_channels(params) - 1); + sspa_ctrl &= ~SSPA_CTL_XWDLEN1_MASK; + sspa_ctrl |= SSPA_CTL_XWDLEN1(SSPA_CTL_32_BITS); + sspa_ctrl &= ~SSPA_CTL_XSSZ1_MASK; + + switch (params_format(params)) { + case SNDRV_PCM_FORMAT_S8: + sspa_ctrl |= SSPA_CTL_XSSZ1(SSPA_CTL_8_BITS); + break; + case SNDRV_PCM_FORMAT_S16_LE: + sspa_ctrl |= SSPA_CTL_XSSZ1(SSPA_CTL_16_BITS); + break; + case SNDRV_PCM_FORMAT_S20_3LE: + sspa_ctrl |= SSPA_CTL_XSSZ1(SSPA_CTL_20_BITS); + break; + case SNDRV_PCM_FORMAT_S24_3LE: + sspa_ctrl |= SSPA_CTL_XSSZ1(SSPA_CTL_24_BITS); + break; + case SNDRV_PCM_FORMAT_S32_LE: + sspa_ctrl |= SSPA_CTL_XSSZ1(SSPA_CTL_32_BITS); + break; + default: + return -EINVAL; + } + + if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) { + mmp_sspa_write_reg(sspa, SSPA_TXCTL, sspa_ctrl); + mmp_sspa_write_reg(sspa, SSPA_TXFIFO_LL, 0x1); + } else { + mmp_sspa_write_reg(sspa, SSPA_RXCTL, sspa_ctrl); + mmp_sspa_write_reg(sspa, SSPA_RXFIFO_UL, 0x0); + } + + dma_params = &sspa_priv->dma_params[substream->stream]; + dma_params->addr = substream->stream == SNDRV_PCM_STREAM_PLAYBACK ? + (sspa->phys_base + SSPA_TXD) : + (sspa->phys_base + SSPA_RXD); + snd_soc_dai_set_dma_data(cpu_dai, substream, dma_params); + return 0; +} + +static int mmp_sspa_trigger(struct snd_pcm_substream *substream, int cmd, + struct snd_soc_dai *dai) +{ + struct sspa_priv *sspa_priv = snd_soc_dai_get_drvdata(dai); + struct ssp_device *sspa = sspa_priv->sspa; + int ret = 0; + + switch (cmd) { + case SNDRV_PCM_TRIGGER_START: + case SNDRV_PCM_TRIGGER_RESUME: + case SNDRV_PCM_TRIGGER_PAUSE_RELEASE: + /* + * whatever playback or capture, must enable rx. + * this is a hw issue, so need check if rx has been + * enabled or not; if has been enabled by another + * stream, do not enable again. + */ + if (!sspa_priv->running_cnt) + mmp_sspa_rx_enable(sspa); + + if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) + mmp_sspa_tx_enable(sspa); + + sspa_priv->running_cnt++; + break; + + case SNDRV_PCM_TRIGGER_STOP: + case SNDRV_PCM_TRIGGER_SUSPEND: + case SNDRV_PCM_TRIGGER_PAUSE_PUSH: + sspa_priv->running_cnt--; + + if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) + mmp_sspa_tx_disable(sspa); + + /* have no capture stream, disable rx port */ + if (!sspa_priv->running_cnt) + mmp_sspa_rx_disable(sspa); + break; + + default: + ret = -EINVAL; + } + + return ret; +} + +static int mmp_sspa_probe(struct snd_soc_dai *dai) +{ + struct sspa_priv *priv = dev_get_drvdata(dai->dev); + + snd_soc_dai_set_drvdata(dai, priv); + return 0; + +} + +#define MMP_SSPA_RATES SNDRV_PCM_RATE_8000_192000 +#define MMP_SSPA_FORMATS (SNDRV_PCM_FMTBIT_S8 | \ + SNDRV_PCM_FMTBIT_S16_LE | \ + SNDRV_PCM_FMTBIT_S24_LE | \ + SNDRV_PCM_FMTBIT_S24_LE | \ + SNDRV_PCM_FMTBIT_S32_LE) + +static struct snd_soc_dai_ops mmp_sspa_dai_ops = { + .startup = mmp_sspa_startup, + .shutdown = mmp_sspa_shutdown, + .trigger = mmp_sspa_trigger, + .hw_params = mmp_sspa_hw_params, + .set_sysclk = mmp_sspa_set_dai_sysclk, + .set_pll = mmp_sspa_set_dai_pll, + .set_fmt = mmp_sspa_set_dai_fmt, +}; + +static struct snd_soc_dai_driver mmp_sspa_dai = { + .probe = mmp_sspa_probe, + .playback = { + .channels_min = 1, + .channels_max = 128, + .rates = MMP_SSPA_RATES, + .formats = MMP_SSPA_FORMATS, + }, + .capture = { + .channels_min = 1, + .channels_max = 2, + .rates = MMP_SSPA_RATES, + .formats = MMP_SSPA_FORMATS, + }, + .ops = &mmp_sspa_dai_ops, +}; + +static const struct snd_soc_component_driver mmp_sspa_component = { + .name = "mmp-sspa", +}; + +static int asoc_mmp_sspa_probe(struct platform_device *pdev) +{ + struct sspa_priv *priv; + struct resource *res; + + priv = devm_kzalloc(&pdev->dev, + sizeof(struct sspa_priv), GFP_KERNEL); + if (!priv) + return -ENOMEM; + + priv->sspa = devm_kzalloc(&pdev->dev, + sizeof(struct ssp_device), GFP_KERNEL); + if (priv->sspa == NULL) + return -ENOMEM; + + priv->dma_params = devm_kzalloc(&pdev->dev, + 2 * sizeof(struct snd_dmaengine_dai_dma_data), + GFP_KERNEL); + if (priv->dma_params == NULL) + return -ENOMEM; + + res = platform_get_resource(pdev, IORESOURCE_MEM, 0); + priv->sspa->mmio_base = devm_ioremap_resource(&pdev->dev, res); + if (IS_ERR(priv->sspa->mmio_base)) + return PTR_ERR(priv->sspa->mmio_base); + + priv->sspa->clk = devm_clk_get(&pdev->dev, NULL); + if (IS_ERR(priv->sspa->clk)) + return PTR_ERR(priv->sspa->clk); + + priv->audio_clk = clk_get(NULL, "mmp-audio"); + if (IS_ERR(priv->audio_clk)) + return PTR_ERR(priv->audio_clk); + + priv->sysclk = clk_get(NULL, "mmp-sysclk"); + if (IS_ERR(priv->sysclk)) { + clk_put(priv->audio_clk); + return PTR_ERR(priv->sysclk); + } + clk_enable(priv->audio_clk); + priv->dai_fmt = (unsigned int) -1; + platform_set_drvdata(pdev, priv); + + return devm_snd_soc_register_component(&pdev->dev, &mmp_sspa_component, + &mmp_sspa_dai, 1); +} + +static int asoc_mmp_sspa_remove(struct platform_device *pdev) +{ + struct sspa_priv *priv = platform_get_drvdata(pdev); + + clk_disable(priv->audio_clk); + clk_put(priv->audio_clk); + clk_put(priv->sysclk); + return 0; +} + +static struct platform_driver asoc_mmp_sspa_driver = { + .driver = { + .name = "mmp-sspa-dai", + }, + .probe = asoc_mmp_sspa_probe, + .remove = asoc_mmp_sspa_remove, +}; + +module_platform_driver(asoc_mmp_sspa_driver); + +MODULE_AUTHOR("Leo Yan <leoy@marvell.com>"); +MODULE_DESCRIPTION("MMP SSPA SoC Interface"); +MODULE_LICENSE("GPL"); diff --git a/kernel/sound/soc/pxa/mmp-sspa.h b/kernel/sound/soc/pxa/mmp-sspa.h new file mode 100644 index 000000000..ea365cb9e --- /dev/null +++ b/kernel/sound/soc/pxa/mmp-sspa.h @@ -0,0 +1,92 @@ +/* + * linux/sound/soc/pxa/mmp-sspa.h + * + * Copyright (C) 2011 Marvell International Ltd. + * + * 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. + * + * 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + * + */ +#ifndef _MMP_SSPA_H +#define _MMP_SSPA_H + +/* + * SSPA Registers + */ +#define SSPA_RXD (0x00) +#define SSPA_RXID (0x04) +#define SSPA_RXCTL (0x08) +#define SSPA_RXSP (0x0c) +#define SSPA_RXFIFO_UL (0x10) +#define SSPA_RXINT_MASK (0x14) +#define SSPA_RXC (0x18) +#define SSPA_RXFIFO_NOFS (0x1c) +#define SSPA_RXFIFO_SIZE (0x20) + +#define SSPA_TXD (0x80) +#define SSPA_TXID (0x84) +#define SSPA_TXCTL (0x88) +#define SSPA_TXSP (0x8c) +#define SSPA_TXFIFO_LL (0x90) +#define SSPA_TXINT_MASK (0x94) +#define SSPA_TXC (0x98) +#define SSPA_TXFIFO_NOFS (0x9c) +#define SSPA_TXFIFO_SIZE (0xa0) + +/* SSPA Control Register */ +#define SSPA_CTL_XPH (1 << 31) /* Read Phase */ +#define SSPA_CTL_XFIG (1 << 15) /* Transmit Zeros when FIFO Empty */ +#define SSPA_CTL_JST (1 << 3) /* Audio Sample Justification */ +#define SSPA_CTL_XFRLEN2_MASK (7 << 24) +#define SSPA_CTL_XFRLEN2(x) ((x) << 24) /* Transmit Frame Length in Phase 2 */ +#define SSPA_CTL_XWDLEN2_MASK (7 << 21) +#define SSPA_CTL_XWDLEN2(x) ((x) << 21) /* Transmit Word Length in Phase 2 */ +#define SSPA_CTL_XDATDLY(x) ((x) << 19) /* Tansmit Data Delay */ +#define SSPA_CTL_XSSZ2_MASK (7 << 16) +#define SSPA_CTL_XSSZ2(x) ((x) << 16) /* Transmit Sample Audio Size */ +#define SSPA_CTL_XFRLEN1_MASK (7 << 8) +#define SSPA_CTL_XFRLEN1(x) ((x) << 8) /* Transmit Frame Length in Phase 1 */ +#define SSPA_CTL_XWDLEN1_MASK (7 << 5) +#define SSPA_CTL_XWDLEN1(x) ((x) << 5) /* Transmit Word Length in Phase 1 */ +#define SSPA_CTL_XSSZ1_MASK (7 << 0) +#define SSPA_CTL_XSSZ1(x) ((x) << 0) /* XSSZ1 */ + +#define SSPA_CTL_8_BITS (0x0) /* Sample Size */ +#define SSPA_CTL_12_BITS (0x1) +#define SSPA_CTL_16_BITS (0x2) +#define SSPA_CTL_20_BITS (0x3) +#define SSPA_CTL_24_BITS (0x4) +#define SSPA_CTL_32_BITS (0x5) + +/* SSPA Serial Port Register */ +#define SSPA_SP_WEN (1 << 31) /* Write Configuration Enable */ +#define SSPA_SP_MSL (1 << 18) /* Master Slave Configuration */ +#define SSPA_SP_CLKP (1 << 17) /* CLKP Polarity Clock Edge Select */ +#define SSPA_SP_FSP (1 << 16) /* FSP Polarity Clock Edge Select */ +#define SSPA_SP_FFLUSH (1 << 2) /* FIFO Flush */ +#define SSPA_SP_S_RST (1 << 1) /* Active High Reset Signal */ +#define SSPA_SP_S_EN (1 << 0) /* Serial Clock Domain Enable */ +#define SSPA_SP_FWID(x) ((x) << 20) /* Frame-Sync Width */ +#define SSPA_TXSP_FPER(x) ((x) << 4) /* Frame-Sync Active */ + +/* sspa clock sources */ +#define MMP_SSPA_CLK_PLL 0 +#define MMP_SSPA_CLK_VCXO 1 +#define MMP_SSPA_CLK_AUDIO 3 + +/* sspa pll id */ +#define MMP_SYSCLK 0 +#define MMP_SSPA_CLK 1 + +#endif /* _MMP_SSPA_H */ diff --git a/kernel/sound/soc/pxa/palm27x.c b/kernel/sound/soc/pxa/palm27x.c new file mode 100644 index 000000000..c20bbc042 --- /dev/null +++ b/kernel/sound/soc/pxa/palm27x.c @@ -0,0 +1,170 @@ +/* + * linux/sound/soc/pxa/palm27x.c + * + * SoC Audio driver for Palm T|X, T5 and LifeDrive + * + * based on tosa.c + * + * Copyright (C) 2008 Marek Vasut <marek.vasut@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. + * + */ + +#include <linux/module.h> +#include <linux/moduleparam.h> +#include <linux/device.h> +#include <linux/gpio.h> + +#include <sound/core.h> +#include <sound/pcm.h> +#include <sound/soc.h> +#include <sound/jack.h> + +#include <asm/mach-types.h> +#include <mach/audio.h> +#include <linux/platform_data/asoc-palm27x.h> + +#include "../codecs/wm9712.h" +#include "pxa2xx-ac97.h" + +static struct snd_soc_jack hs_jack; + +/* Headphones jack detection DAPM pins */ +static struct snd_soc_jack_pin hs_jack_pins[] = { + { + .pin = "Headphone Jack", + .mask = SND_JACK_HEADPHONE, + }, +}; + +/* Headphones jack detection gpios */ +static struct snd_soc_jack_gpio hs_jack_gpios[] = { + [0] = { + /* gpio is set on per-platform basis */ + .name = "hp-gpio", + .report = SND_JACK_HEADPHONE, + .debounce_time = 200, + }, +}; + +/* Palm27x machine dapm widgets */ +static const struct snd_soc_dapm_widget palm27x_dapm_widgets[] = { + SND_SOC_DAPM_HP("Headphone Jack", NULL), + SND_SOC_DAPM_SPK("Ext. Speaker", NULL), + SND_SOC_DAPM_MIC("Ext. Microphone", NULL), +}; + +/* PalmTX audio map */ +static const struct snd_soc_dapm_route audio_map[] = { + /* headphone connected to HPOUTL, HPOUTR */ + {"Headphone Jack", NULL, "HPOUTL"}, + {"Headphone Jack", NULL, "HPOUTR"}, + + /* ext speaker connected to ROUT2, LOUT2 */ + {"Ext. Speaker", NULL, "LOUT2"}, + {"Ext. Speaker", NULL, "ROUT2"}, + + /* mic connected to MIC1 */ + {"MIC1", NULL, "Ext. Microphone"}, +}; + +static struct snd_soc_card palm27x_asoc; + +static int palm27x_ac97_init(struct snd_soc_pcm_runtime *rtd) +{ + int err; + + /* Jack detection API stuff */ + err = snd_soc_card_jack_new(rtd->card, "Headphone Jack", + SND_JACK_HEADPHONE, &hs_jack, hs_jack_pins, + ARRAY_SIZE(hs_jack_pins)); + if (err) + return err; + + err = snd_soc_jack_add_gpios(&hs_jack, ARRAY_SIZE(hs_jack_gpios), + hs_jack_gpios); + + return err; +} + +static struct snd_soc_dai_link palm27x_dai[] = { +{ + .name = "AC97 HiFi", + .stream_name = "AC97 HiFi", + .cpu_dai_name = "pxa2xx-ac97", + .codec_dai_name = "wm9712-hifi", + .codec_name = "wm9712-codec", + .platform_name = "pxa-pcm-audio", + .init = palm27x_ac97_init, +}, +{ + .name = "AC97 Aux", + .stream_name = "AC97 Aux", + .cpu_dai_name = "pxa2xx-ac97-aux", + .codec_dai_name = "wm9712-aux", + .codec_name = "wm9712-codec", + .platform_name = "pxa-pcm-audio", +}, +}; + +static struct snd_soc_card palm27x_asoc = { + .name = "Palm/PXA27x", + .owner = THIS_MODULE, + .dai_link = palm27x_dai, + .num_links = ARRAY_SIZE(palm27x_dai), + .dapm_widgets = palm27x_dapm_widgets, + .num_dapm_widgets = ARRAY_SIZE(palm27x_dapm_widgets), + .dapm_routes = audio_map, + .num_dapm_routes = ARRAY_SIZE(audio_map), + .fully_routed = true, +}; + +static int palm27x_asoc_probe(struct platform_device *pdev) +{ + int ret; + + if (!(machine_is_palmtx() || machine_is_palmt5() || + machine_is_palmld() || machine_is_palmte2())) + return -ENODEV; + + if (!pdev->dev.platform_data) { + dev_err(&pdev->dev, "please supply platform_data\n"); + return -ENODEV; + } + + hs_jack_gpios[0].gpio = ((struct palm27x_asoc_info *) + (pdev->dev.platform_data))->jack_gpio; + + palm27x_asoc.dev = &pdev->dev; + + ret = snd_soc_register_card(&palm27x_asoc); + if (ret) + dev_err(&pdev->dev, "snd_soc_register_card() failed: %d\n", + ret); + return ret; +} + +static int palm27x_asoc_remove(struct platform_device *pdev) +{ + snd_soc_unregister_card(&palm27x_asoc); + return 0; +} + +static struct platform_driver palm27x_wm9712_driver = { + .probe = palm27x_asoc_probe, + .remove = palm27x_asoc_remove, + .driver = { + .name = "palm27x-asoc", + .pm = &snd_soc_pm_ops, + }, +}; + +module_platform_driver(palm27x_wm9712_driver); + +/* Module information */ +MODULE_AUTHOR("Marek Vasut <marek.vasut@gmail.com>"); +MODULE_DESCRIPTION("ALSA SoC Palm T|X, T5 and LifeDrive"); +MODULE_LICENSE("GPL"); diff --git a/kernel/sound/soc/pxa/poodle.c b/kernel/sound/soc/pxa/poodle.c new file mode 100644 index 000000000..0fce8c420 --- /dev/null +++ b/kernel/sound/soc/pxa/poodle.c @@ -0,0 +1,311 @@ +/* + * poodle.c -- SoC audio for Poodle + * + * Copyright 2005 Wolfson Microelectronics PLC. + * Copyright 2005 Openedhand Ltd. + * + * Authors: Liam Girdwood <lrg@slimlogic.co.uk> + * Richard Purdie <richard@openedhand.com> + * + * 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/module.h> +#include <linux/moduleparam.h> +#include <linux/timer.h> +#include <linux/i2c.h> +#include <linux/interrupt.h> +#include <linux/platform_device.h> +#include <sound/core.h> +#include <sound/pcm.h> +#include <sound/soc.h> + +#include <asm/mach-types.h> +#include <asm/hardware/locomo.h> +#include <mach/poodle.h> +#include <mach/audio.h> + +#include "../codecs/wm8731.h" +#include "pxa2xx-i2s.h" + +#define POODLE_HP 1 +#define POODLE_HP_OFF 0 +#define POODLE_SPK_ON 1 +#define POODLE_SPK_OFF 0 + + /* audio clock in Hz - rounded from 12.235MHz */ +#define POODLE_AUDIO_CLOCK 12288000 + +static int poodle_jack_func; +static int poodle_spk_func; + +static void poodle_ext_control(struct snd_soc_dapm_context *dapm) +{ + /* set up jack connection */ + if (poodle_jack_func == POODLE_HP) { + /* set = unmute headphone */ + locomo_gpio_write(&poodle_locomo_device.dev, + POODLE_LOCOMO_GPIO_MUTE_L, 1); + locomo_gpio_write(&poodle_locomo_device.dev, + POODLE_LOCOMO_GPIO_MUTE_R, 1); + snd_soc_dapm_enable_pin(dapm, "Headphone Jack"); + } else { + locomo_gpio_write(&poodle_locomo_device.dev, + POODLE_LOCOMO_GPIO_MUTE_L, 0); + locomo_gpio_write(&poodle_locomo_device.dev, + POODLE_LOCOMO_GPIO_MUTE_R, 0); + snd_soc_dapm_disable_pin(dapm, "Headphone Jack"); + } + + /* set the enpoints to their new connetion states */ + if (poodle_spk_func == POODLE_SPK_ON) + snd_soc_dapm_enable_pin(dapm, "Ext Spk"); + else + snd_soc_dapm_disable_pin(dapm, "Ext Spk"); + + /* signal a DAPM event */ + snd_soc_dapm_sync(dapm); +} + +static int poodle_startup(struct snd_pcm_substream *substream) +{ + struct snd_soc_pcm_runtime *rtd = substream->private_data; + + /* check the jack status at stream startup */ + poodle_ext_control(&rtd->card->dapm); + + return 0; +} + +/* we need to unmute the HP at shutdown as the mute burns power on poodle */ +static void poodle_shutdown(struct snd_pcm_substream *substream) +{ + /* set = unmute headphone */ + locomo_gpio_write(&poodle_locomo_device.dev, + POODLE_LOCOMO_GPIO_MUTE_L, 1); + locomo_gpio_write(&poodle_locomo_device.dev, + POODLE_LOCOMO_GPIO_MUTE_R, 1); +} + +static int poodle_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; + 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; + } + + /* set the codec system clock for DAC and ADC */ + ret = snd_soc_dai_set_sysclk(codec_dai, WM8731_SYSCLK_XTAL, clk, + SND_SOC_CLOCK_IN); + if (ret < 0) + return ret; + + /* set the I2S system clock as input (unused) */ + ret = snd_soc_dai_set_sysclk(cpu_dai, PXA2XX_I2S_SYSCLK, 0, + SND_SOC_CLOCK_IN); + if (ret < 0) + return ret; + + return 0; +} + +static struct snd_soc_ops poodle_ops = { + .startup = poodle_startup, + .hw_params = poodle_hw_params, + .shutdown = poodle_shutdown, +}; + +static int poodle_get_jack(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_value *ucontrol) +{ + ucontrol->value.integer.value[0] = poodle_jack_func; + return 0; +} + +static int poodle_set_jack(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_value *ucontrol) +{ + struct snd_soc_card *card = snd_kcontrol_chip(kcontrol); + + if (poodle_jack_func == ucontrol->value.integer.value[0]) + return 0; + + poodle_jack_func = ucontrol->value.integer.value[0]; + poodle_ext_control(&card->dapm); + return 1; +} + +static int poodle_get_spk(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_value *ucontrol) +{ + ucontrol->value.integer.value[0] = poodle_spk_func; + return 0; +} + +static int poodle_set_spk(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_value *ucontrol) +{ + struct snd_soc_card *card = snd_kcontrol_chip(kcontrol); + + if (poodle_spk_func == ucontrol->value.integer.value[0]) + return 0; + + poodle_spk_func = ucontrol->value.integer.value[0]; + poodle_ext_control(&card->dapm); + return 1; +} + +static int poodle_amp_event(struct snd_soc_dapm_widget *w, + struct snd_kcontrol *k, int event) +{ + if (SND_SOC_DAPM_EVENT_ON(event)) + locomo_gpio_write(&poodle_locomo_device.dev, + POODLE_LOCOMO_GPIO_AMP_ON, 0); + else + locomo_gpio_write(&poodle_locomo_device.dev, + POODLE_LOCOMO_GPIO_AMP_ON, 1); + + return 0; +} + +/* poodle machine dapm widgets */ +static const struct snd_soc_dapm_widget wm8731_dapm_widgets[] = { +SND_SOC_DAPM_HP("Headphone Jack", NULL), +SND_SOC_DAPM_SPK("Ext Spk", poodle_amp_event), +}; + +/* Corgi machine connections to the codec pins */ +static const struct snd_soc_dapm_route poodle_audio_map[] = { + + /* headphone connected to LHPOUT1, RHPOUT1 */ + {"Headphone Jack", NULL, "LHPOUT"}, + {"Headphone Jack", NULL, "RHPOUT"}, + + /* speaker connected to LOUT, ROUT */ + {"Ext Spk", NULL, "ROUT"}, + {"Ext Spk", NULL, "LOUT"}, +}; + +static const char *jack_function[] = {"Off", "Headphone"}; +static const char *spk_function[] = {"Off", "On"}; +static const struct soc_enum poodle_enum[] = { + SOC_ENUM_SINGLE_EXT(2, jack_function), + SOC_ENUM_SINGLE_EXT(2, spk_function), +}; + +static const struct snd_kcontrol_new wm8731_poodle_controls[] = { + SOC_ENUM_EXT("Jack Function", poodle_enum[0], poodle_get_jack, + poodle_set_jack), + SOC_ENUM_EXT("Speaker Function", poodle_enum[1], poodle_get_spk, + poodle_set_spk), +}; + +/* + * Logic for a wm8731 as connected on a Sharp SL-C7x0 Device + */ +static int poodle_wm8731_init(struct snd_soc_pcm_runtime *rtd) +{ + struct snd_soc_codec *codec = rtd->codec; + struct snd_soc_dapm_context *dapm = &codec->dapm; + + snd_soc_dapm_nc_pin(dapm, "LLINEIN"); + snd_soc_dapm_nc_pin(dapm, "RLINEIN"); + + return 0; +} + +/* poodle digital audio interface glue - connects codec <--> CPU */ +static struct snd_soc_dai_link poodle_dai = { + .name = "WM8731", + .stream_name = "WM8731", + .cpu_dai_name = "pxa2xx-i2s", + .codec_dai_name = "wm8731-hifi", + .platform_name = "pxa-pcm-audio", + .codec_name = "wm8731.0-001b", + .init = poodle_wm8731_init, + .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF | + SND_SOC_DAIFMT_CBS_CFS, + .ops = &poodle_ops, +}; + +/* poodle audio machine driver */ +static struct snd_soc_card poodle = { + .name = "Poodle", + .dai_link = &poodle_dai, + .num_links = 1, + .owner = THIS_MODULE, + + .controls = wm8731_poodle_controls, + .num_controls = ARRAY_SIZE(wm8731_poodle_controls), + .dapm_widgets = wm8731_dapm_widgets, + .num_dapm_widgets = ARRAY_SIZE(wm8731_dapm_widgets), + .dapm_routes = poodle_audio_map, + .num_dapm_routes = ARRAY_SIZE(poodle_audio_map), +}; + +static int poodle_probe(struct platform_device *pdev) +{ + struct snd_soc_card *card = &poodle; + int ret; + + locomo_gpio_set_dir(&poodle_locomo_device.dev, + POODLE_LOCOMO_GPIO_AMP_ON, 0); + /* should we mute HP at startup - burning power ?*/ + locomo_gpio_set_dir(&poodle_locomo_device.dev, + POODLE_LOCOMO_GPIO_MUTE_L, 0); + locomo_gpio_set_dir(&poodle_locomo_device.dev, + POODLE_LOCOMO_GPIO_MUTE_R, 0); + + card->dev = &pdev->dev; + + ret = snd_soc_register_card(card); + if (ret) + dev_err(&pdev->dev, "snd_soc_register_card() failed: %d\n", + ret); + return ret; +} + +static int poodle_remove(struct platform_device *pdev) +{ + struct snd_soc_card *card = platform_get_drvdata(pdev); + + snd_soc_unregister_card(card); + return 0; +} + +static struct platform_driver poodle_driver = { + .driver = { + .name = "poodle-audio", + .pm = &snd_soc_pm_ops, + }, + .probe = poodle_probe, + .remove = poodle_remove, +}; + +module_platform_driver(poodle_driver); + +/* Module information */ +MODULE_AUTHOR("Richard Purdie"); +MODULE_DESCRIPTION("ALSA SoC Poodle"); +MODULE_LICENSE("GPL"); +MODULE_ALIAS("platform:poodle-audio"); diff --git a/kernel/sound/soc/pxa/pxa-ssp.c b/kernel/sound/soc/pxa/pxa-ssp.c new file mode 100644 index 000000000..fbe2e93d6 --- /dev/null +++ b/kernel/sound/soc/pxa/pxa-ssp.c @@ -0,0 +1,841 @@ +/* + * pxa-ssp.c -- ALSA Soc Audio Layer + * + * Copyright 2005,2008 Wolfson Microelectronics PLC. + * Author: Liam Girdwood + * Mark Brown <broonie@opensource.wolfsonmicro.com> + * + * 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. + * + * TODO: + * o Test network mode for > 16bit sample size + */ + +#include <linux/init.h> +#include <linux/module.h> +#include <linux/slab.h> +#include <linux/platform_device.h> +#include <linux/clk.h> +#include <linux/io.h> +#include <linux/pxa2xx_ssp.h> +#include <linux/of.h> +#include <linux/dmaengine.h> + +#include <asm/irq.h> + +#include <sound/core.h> +#include <sound/pcm.h> +#include <sound/initval.h> +#include <sound/pcm_params.h> +#include <sound/soc.h> +#include <sound/pxa2xx-lib.h> +#include <sound/dmaengine_pcm.h> + +#include "../../arm/pxa2xx-pcm.h" +#include "pxa-ssp.h" + +/* + * SSP audio private data + */ +struct ssp_priv { + struct ssp_device *ssp; + unsigned int sysclk; + int dai_fmt; +#ifdef CONFIG_PM + uint32_t cr0; + uint32_t cr1; + uint32_t to; + uint32_t psp; +#endif +}; + +static void dump_registers(struct ssp_device *ssp) +{ + dev_dbg(&ssp->pdev->dev, "SSCR0 0x%08x SSCR1 0x%08x SSTO 0x%08x\n", + pxa_ssp_read_reg(ssp, SSCR0), pxa_ssp_read_reg(ssp, SSCR1), + pxa_ssp_read_reg(ssp, SSTO)); + + dev_dbg(&ssp->pdev->dev, "SSPSP 0x%08x SSSR 0x%08x SSACD 0x%08x\n", + pxa_ssp_read_reg(ssp, SSPSP), pxa_ssp_read_reg(ssp, SSSR), + pxa_ssp_read_reg(ssp, SSACD)); +} + +static void pxa_ssp_enable(struct ssp_device *ssp) +{ + uint32_t sscr0; + + sscr0 = __raw_readl(ssp->mmio_base + SSCR0) | SSCR0_SSE; + __raw_writel(sscr0, ssp->mmio_base + SSCR0); +} + +static void pxa_ssp_disable(struct ssp_device *ssp) +{ + uint32_t sscr0; + + sscr0 = __raw_readl(ssp->mmio_base + SSCR0) & ~SSCR0_SSE; + __raw_writel(sscr0, ssp->mmio_base + SSCR0); +} + +static void pxa_ssp_set_dma_params(struct ssp_device *ssp, int width4, + int out, struct snd_dmaengine_dai_dma_data *dma) +{ + dma->addr_width = width4 ? DMA_SLAVE_BUSWIDTH_4_BYTES : + DMA_SLAVE_BUSWIDTH_2_BYTES; + dma->maxburst = 16; + dma->addr = ssp->phys_base + SSDR; +} + +static int pxa_ssp_startup(struct snd_pcm_substream *substream, + struct snd_soc_dai *cpu_dai) +{ + struct ssp_priv *priv = snd_soc_dai_get_drvdata(cpu_dai); + struct ssp_device *ssp = priv->ssp; + struct snd_dmaengine_dai_dma_data *dma; + int ret = 0; + + if (!cpu_dai->active) { + clk_prepare_enable(ssp->clk); + pxa_ssp_disable(ssp); + } + + dma = kzalloc(sizeof(struct snd_dmaengine_dai_dma_data), GFP_KERNEL); + if (!dma) + return -ENOMEM; + + dma->filter_data = substream->stream == SNDRV_PCM_STREAM_PLAYBACK ? + &ssp->drcmr_tx : &ssp->drcmr_rx; + + snd_soc_dai_set_dma_data(cpu_dai, substream, dma); + + return ret; +} + +static void pxa_ssp_shutdown(struct snd_pcm_substream *substream, + struct snd_soc_dai *cpu_dai) +{ + struct ssp_priv *priv = snd_soc_dai_get_drvdata(cpu_dai); + struct ssp_device *ssp = priv->ssp; + + if (!cpu_dai->active) { + pxa_ssp_disable(ssp); + clk_disable_unprepare(ssp->clk); + } + + kfree(snd_soc_dai_get_dma_data(cpu_dai, substream)); + snd_soc_dai_set_dma_data(cpu_dai, substream, NULL); +} + +#ifdef CONFIG_PM + +static int pxa_ssp_suspend(struct snd_soc_dai *cpu_dai) +{ + struct ssp_priv *priv = snd_soc_dai_get_drvdata(cpu_dai); + struct ssp_device *ssp = priv->ssp; + + if (!cpu_dai->active) + clk_prepare_enable(ssp->clk); + + priv->cr0 = __raw_readl(ssp->mmio_base + SSCR0); + priv->cr1 = __raw_readl(ssp->mmio_base + SSCR1); + priv->to = __raw_readl(ssp->mmio_base + SSTO); + priv->psp = __raw_readl(ssp->mmio_base + SSPSP); + + pxa_ssp_disable(ssp); + clk_disable_unprepare(ssp->clk); + return 0; +} + +static int pxa_ssp_resume(struct snd_soc_dai *cpu_dai) +{ + struct ssp_priv *priv = snd_soc_dai_get_drvdata(cpu_dai); + struct ssp_device *ssp = priv->ssp; + uint32_t sssr = SSSR_ROR | SSSR_TUR | SSSR_BCE; + + clk_prepare_enable(ssp->clk); + + __raw_writel(sssr, ssp->mmio_base + SSSR); + __raw_writel(priv->cr0 & ~SSCR0_SSE, ssp->mmio_base + SSCR0); + __raw_writel(priv->cr1, ssp->mmio_base + SSCR1); + __raw_writel(priv->to, ssp->mmio_base + SSTO); + __raw_writel(priv->psp, ssp->mmio_base + SSPSP); + + if (cpu_dai->active) + pxa_ssp_enable(ssp); + else + clk_disable_unprepare(ssp->clk); + + return 0; +} + +#else +#define pxa_ssp_suspend NULL +#define pxa_ssp_resume NULL +#endif + +/** + * ssp_set_clkdiv - set SSP clock divider + * @div: serial clock rate divider + */ +static void pxa_ssp_set_scr(struct ssp_device *ssp, u32 div) +{ + u32 sscr0 = pxa_ssp_read_reg(ssp, SSCR0); + + if (ssp->type == PXA25x_SSP) { + sscr0 &= ~0x0000ff00; + sscr0 |= ((div - 2)/2) << 8; /* 2..512 */ + } else { + sscr0 &= ~0x000fff00; + sscr0 |= (div - 1) << 8; /* 1..4096 */ + } + pxa_ssp_write_reg(ssp, SSCR0, sscr0); +} + +/** + * pxa_ssp_get_clkdiv - get SSP clock divider + */ +static u32 pxa_ssp_get_scr(struct ssp_device *ssp) +{ + u32 sscr0 = pxa_ssp_read_reg(ssp, SSCR0); + u32 div; + + if (ssp->type == PXA25x_SSP) + div = ((sscr0 >> 8) & 0xff) * 2 + 2; + else + div = ((sscr0 >> 8) & 0xfff) + 1; + return div; +} + +/* + * Set the SSP ports SYSCLK. + */ +static int pxa_ssp_set_dai_sysclk(struct snd_soc_dai *cpu_dai, + int clk_id, unsigned int freq, int dir) +{ + struct ssp_priv *priv = snd_soc_dai_get_drvdata(cpu_dai); + struct ssp_device *ssp = priv->ssp; + int val; + + u32 sscr0 = pxa_ssp_read_reg(ssp, SSCR0) & + ~(SSCR0_ECS | SSCR0_NCS | SSCR0_MOD | SSCR0_ACS); + + dev_dbg(&ssp->pdev->dev, + "pxa_ssp_set_dai_sysclk id: %d, clk_id %d, freq %u\n", + cpu_dai->id, clk_id, freq); + + switch (clk_id) { + case PXA_SSP_CLK_NET_PLL: + sscr0 |= SSCR0_MOD; + break; + case PXA_SSP_CLK_PLL: + /* Internal PLL is fixed */ + if (ssp->type == PXA25x_SSP) + priv->sysclk = 1843200; + else + priv->sysclk = 13000000; + break; + case PXA_SSP_CLK_EXT: + priv->sysclk = freq; + sscr0 |= SSCR0_ECS; + break; + case PXA_SSP_CLK_NET: + priv->sysclk = freq; + sscr0 |= SSCR0_NCS | SSCR0_MOD; + break; + case PXA_SSP_CLK_AUDIO: + priv->sysclk = 0; + pxa_ssp_set_scr(ssp, 1); + sscr0 |= SSCR0_ACS; + break; + default: + return -ENODEV; + } + + /* The SSP clock must be disabled when changing SSP clock mode + * on PXA2xx. On PXA3xx it must be enabled when doing so. */ + if (ssp->type != PXA3xx_SSP) + clk_disable_unprepare(ssp->clk); + val = pxa_ssp_read_reg(ssp, SSCR0) | sscr0; + pxa_ssp_write_reg(ssp, SSCR0, val); + if (ssp->type != PXA3xx_SSP) + clk_prepare_enable(ssp->clk); + + return 0; +} + +/* + * Set the SSP clock dividers. + */ +static int pxa_ssp_set_dai_clkdiv(struct snd_soc_dai *cpu_dai, + int div_id, int div) +{ + struct ssp_priv *priv = snd_soc_dai_get_drvdata(cpu_dai); + struct ssp_device *ssp = priv->ssp; + int val; + + switch (div_id) { + case PXA_SSP_AUDIO_DIV_ACDS: + val = (pxa_ssp_read_reg(ssp, SSACD) & ~0x7) | SSACD_ACDS(div); + pxa_ssp_write_reg(ssp, SSACD, val); + break; + case PXA_SSP_AUDIO_DIV_SCDB: + val = pxa_ssp_read_reg(ssp, SSACD); + val &= ~SSACD_SCDB; + if (ssp->type == PXA3xx_SSP) + val &= ~SSACD_SCDX8; + switch (div) { + case PXA_SSP_CLK_SCDB_1: + val |= SSACD_SCDB; + break; + case PXA_SSP_CLK_SCDB_4: + break; + case PXA_SSP_CLK_SCDB_8: + if (ssp->type == PXA3xx_SSP) + val |= SSACD_SCDX8; + else + return -EINVAL; + break; + default: + return -EINVAL; + } + pxa_ssp_write_reg(ssp, SSACD, val); + break; + case PXA_SSP_DIV_SCR: + pxa_ssp_set_scr(ssp, div); + break; + default: + return -ENODEV; + } + + return 0; +} + +/* + * Configure the PLL frequency pxa27x and (afaik - pxa320 only) + */ +static int pxa_ssp_set_dai_pll(struct snd_soc_dai *cpu_dai, int pll_id, + int source, unsigned int freq_in, unsigned int freq_out) +{ + struct ssp_priv *priv = snd_soc_dai_get_drvdata(cpu_dai); + struct ssp_device *ssp = priv->ssp; + u32 ssacd = pxa_ssp_read_reg(ssp, SSACD) & ~0x70; + + if (ssp->type == PXA3xx_SSP) + pxa_ssp_write_reg(ssp, SSACDD, 0); + + switch (freq_out) { + case 5622000: + break; + case 11345000: + ssacd |= (0x1 << 4); + break; + case 12235000: + ssacd |= (0x2 << 4); + break; + case 14857000: + ssacd |= (0x3 << 4); + break; + case 32842000: + ssacd |= (0x4 << 4); + break; + case 48000000: + ssacd |= (0x5 << 4); + break; + case 0: + /* Disable */ + break; + + default: + /* PXA3xx has a clock ditherer which can be used to generate + * a wider range of frequencies - calculate a value for it. + */ + if (ssp->type == PXA3xx_SSP) { + u32 val; + u64 tmp = 19968; + tmp *= 1000000; + do_div(tmp, freq_out); + val = tmp; + + val = (val << 16) | 64; + pxa_ssp_write_reg(ssp, SSACDD, val); + + ssacd |= (0x6 << 4); + + dev_dbg(&ssp->pdev->dev, + "Using SSACDD %x to supply %uHz\n", + val, freq_out); + break; + } + + return -EINVAL; + } + + pxa_ssp_write_reg(ssp, SSACD, ssacd); + + return 0; +} + +/* + * Set the active slots in TDM/Network mode + */ +static int pxa_ssp_set_dai_tdm_slot(struct snd_soc_dai *cpu_dai, + unsigned int tx_mask, unsigned int rx_mask, int slots, int slot_width) +{ + struct ssp_priv *priv = snd_soc_dai_get_drvdata(cpu_dai); + struct ssp_device *ssp = priv->ssp; + u32 sscr0; + + sscr0 = pxa_ssp_read_reg(ssp, SSCR0); + sscr0 &= ~(SSCR0_MOD | SSCR0_SlotsPerFrm(8) | SSCR0_EDSS | SSCR0_DSS); + + /* set slot width */ + if (slot_width > 16) + sscr0 |= SSCR0_EDSS | SSCR0_DataSize(slot_width - 16); + else + sscr0 |= SSCR0_DataSize(slot_width); + + if (slots > 1) { + /* enable network mode */ + sscr0 |= SSCR0_MOD; + + /* set number of active slots */ + sscr0 |= SSCR0_SlotsPerFrm(slots); + + /* set active slot mask */ + pxa_ssp_write_reg(ssp, SSTSA, tx_mask); + pxa_ssp_write_reg(ssp, SSRSA, rx_mask); + } + pxa_ssp_write_reg(ssp, SSCR0, sscr0); + + return 0; +} + +/* + * Tristate the SSP DAI lines + */ +static int pxa_ssp_set_dai_tristate(struct snd_soc_dai *cpu_dai, + int tristate) +{ + struct ssp_priv *priv = snd_soc_dai_get_drvdata(cpu_dai); + struct ssp_device *ssp = priv->ssp; + u32 sscr1; + + sscr1 = pxa_ssp_read_reg(ssp, SSCR1); + if (tristate) + sscr1 &= ~SSCR1_TTE; + else + sscr1 |= SSCR1_TTE; + pxa_ssp_write_reg(ssp, SSCR1, sscr1); + + return 0; +} + +/* + * Set up the SSP DAI format. + * The SSP Port must be inactive before calling this function as the + * physical interface format is changed. + */ +static int pxa_ssp_set_dai_fmt(struct snd_soc_dai *cpu_dai, + unsigned int fmt) +{ + struct ssp_priv *priv = snd_soc_dai_get_drvdata(cpu_dai); + struct ssp_device *ssp = priv->ssp; + u32 sscr0, sscr1, sspsp, scfr; + + /* check if we need to change anything at all */ + if (priv->dai_fmt == fmt) + return 0; + + /* we can only change the settings if the port is not in use */ + if (pxa_ssp_read_reg(ssp, SSCR0) & SSCR0_SSE) { + dev_err(&ssp->pdev->dev, + "can't change hardware dai format: stream is in use"); + return -EINVAL; + } + + /* reset port settings */ + sscr0 = pxa_ssp_read_reg(ssp, SSCR0) & + ~(SSCR0_ECS | SSCR0_NCS | SSCR0_MOD | SSCR0_ACS); + sscr1 = SSCR1_RxTresh(8) | SSCR1_TxTresh(7); + sspsp = 0; + + switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) { + case SND_SOC_DAIFMT_CBM_CFM: + sscr1 |= SSCR1_SCLKDIR | SSCR1_SFRMDIR | SSCR1_SCFR; + break; + case SND_SOC_DAIFMT_CBM_CFS: + sscr1 |= SSCR1_SCLKDIR | SSCR1_SCFR; + break; + case SND_SOC_DAIFMT_CBS_CFS: + break; + default: + return -EINVAL; + } + + switch (fmt & SND_SOC_DAIFMT_INV_MASK) { + case SND_SOC_DAIFMT_NB_NF: + sspsp |= SSPSP_SFRMP; + break; + case SND_SOC_DAIFMT_NB_IF: + break; + case SND_SOC_DAIFMT_IB_IF: + sspsp |= SSPSP_SCMODE(2); + break; + case SND_SOC_DAIFMT_IB_NF: + sspsp |= SSPSP_SCMODE(2) | SSPSP_SFRMP; + break; + default: + return -EINVAL; + } + + switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) { + case SND_SOC_DAIFMT_I2S: + sscr0 |= SSCR0_PSP; + sscr1 |= SSCR1_RWOT | SSCR1_TRAIL; + /* See hw_params() */ + break; + + case SND_SOC_DAIFMT_DSP_A: + sspsp |= SSPSP_FSRT; + case SND_SOC_DAIFMT_DSP_B: + sscr0 |= SSCR0_MOD | SSCR0_PSP; + sscr1 |= SSCR1_TRAIL | SSCR1_RWOT; + break; + + default: + return -EINVAL; + } + + pxa_ssp_write_reg(ssp, SSCR0, sscr0); + pxa_ssp_write_reg(ssp, SSCR1, sscr1); + pxa_ssp_write_reg(ssp, SSPSP, sspsp); + + switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) { + case SND_SOC_DAIFMT_CBM_CFM: + case SND_SOC_DAIFMT_CBM_CFS: + scfr = pxa_ssp_read_reg(ssp, SSCR1) | SSCR1_SCFR; + pxa_ssp_write_reg(ssp, SSCR1, scfr); + + while (pxa_ssp_read_reg(ssp, SSSR) & SSSR_BSY) + cpu_relax(); + break; + } + + dump_registers(ssp); + + /* Since we are configuring the timings for the format by hand + * we have to defer some things until hw_params() where we + * know parameters like the sample size. + */ + priv->dai_fmt = fmt; + + return 0; +} + +/* + * Set the SSP audio DMA parameters and sample size. + * Can be called multiple times by oss emulation. + */ +static int pxa_ssp_hw_params(struct snd_pcm_substream *substream, + struct snd_pcm_hw_params *params, + struct snd_soc_dai *cpu_dai) +{ + struct ssp_priv *priv = snd_soc_dai_get_drvdata(cpu_dai); + struct ssp_device *ssp = priv->ssp; + int chn = params_channels(params); + u32 sscr0; + u32 sspsp; + int width = snd_pcm_format_physical_width(params_format(params)); + int ttsa = pxa_ssp_read_reg(ssp, SSTSA) & 0xf; + struct snd_dmaengine_dai_dma_data *dma_data; + + dma_data = snd_soc_dai_get_dma_data(cpu_dai, substream); + + /* Network mode with one active slot (ttsa == 1) can be used + * to force 16-bit frame width on the wire (for S16_LE), even + * with two channels. Use 16-bit DMA transfers for this case. + */ + pxa_ssp_set_dma_params(ssp, + ((chn == 2) && (ttsa != 1)) || (width == 32), + substream->stream == SNDRV_PCM_STREAM_PLAYBACK, dma_data); + + /* we can only change the settings if the port is not in use */ + if (pxa_ssp_read_reg(ssp, SSCR0) & SSCR0_SSE) + return 0; + + /* clear selected SSP bits */ + sscr0 = pxa_ssp_read_reg(ssp, SSCR0) & ~(SSCR0_DSS | SSCR0_EDSS); + + /* bit size */ + switch (params_format(params)) { + case SNDRV_PCM_FORMAT_S16_LE: + if (ssp->type == PXA3xx_SSP) + sscr0 |= SSCR0_FPCKE; + sscr0 |= SSCR0_DataSize(16); + break; + case SNDRV_PCM_FORMAT_S24_LE: + sscr0 |= (SSCR0_EDSS | SSCR0_DataSize(8)); + break; + case SNDRV_PCM_FORMAT_S32_LE: + sscr0 |= (SSCR0_EDSS | SSCR0_DataSize(16)); + break; + } + pxa_ssp_write_reg(ssp, SSCR0, sscr0); + + switch (priv->dai_fmt & SND_SOC_DAIFMT_FORMAT_MASK) { + case SND_SOC_DAIFMT_I2S: + sspsp = pxa_ssp_read_reg(ssp, SSPSP); + + if ((pxa_ssp_get_scr(ssp) == 4) && (width == 16)) { + /* This is a special case where the bitclk is 64fs + * and we're not dealing with 2*32 bits of audio + * samples. + * + * The SSP values used for that are all found out by + * trying and failing a lot; some of the registers + * needed for that mode are only available on PXA3xx. + */ + if (ssp->type != PXA3xx_SSP) + return -EINVAL; + + sspsp |= SSPSP_SFRMWDTH(width * 2); + sspsp |= SSPSP_SFRMDLY(width * 4); + sspsp |= SSPSP_EDMYSTOP(3); + sspsp |= SSPSP_DMYSTOP(3); + sspsp |= SSPSP_DMYSTRT(1); + } else { + /* The frame width is the width the LRCLK is + * asserted for; the delay is expressed in + * half cycle units. We need the extra cycle + * because the data starts clocking out one BCLK + * after LRCLK changes polarity. + */ + sspsp |= SSPSP_SFRMWDTH(width + 1); + sspsp |= SSPSP_SFRMDLY((width + 1) * 2); + sspsp |= SSPSP_DMYSTRT(1); + } + + pxa_ssp_write_reg(ssp, SSPSP, sspsp); + break; + default: + break; + } + + /* When we use a network mode, we always require TDM slots + * - complain loudly and fail if they've not been set up yet. + */ + if ((sscr0 & SSCR0_MOD) && !ttsa) { + dev_err(&ssp->pdev->dev, "No TDM timeslot configured\n"); + return -EINVAL; + } + + dump_registers(ssp); + + return 0; +} + +static void pxa_ssp_set_running_bit(struct snd_pcm_substream *substream, + struct ssp_device *ssp, int value) +{ + uint32_t sscr0 = pxa_ssp_read_reg(ssp, SSCR0); + uint32_t sscr1 = pxa_ssp_read_reg(ssp, SSCR1); + uint32_t sspsp = pxa_ssp_read_reg(ssp, SSPSP); + uint32_t sssr = pxa_ssp_read_reg(ssp, SSSR); + + if (value && (sscr0 & SSCR0_SSE)) + pxa_ssp_write_reg(ssp, SSCR0, sscr0 & ~SSCR0_SSE); + + if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) { + if (value) + sscr1 |= SSCR1_TSRE; + else + sscr1 &= ~SSCR1_TSRE; + } else { + if (value) + sscr1 |= SSCR1_RSRE; + else + sscr1 &= ~SSCR1_RSRE; + } + + pxa_ssp_write_reg(ssp, SSCR1, sscr1); + + if (value) { + pxa_ssp_write_reg(ssp, SSSR, sssr); + pxa_ssp_write_reg(ssp, SSPSP, sspsp); + pxa_ssp_write_reg(ssp, SSCR0, sscr0 | SSCR0_SSE); + } +} + +static int pxa_ssp_trigger(struct snd_pcm_substream *substream, int cmd, + struct snd_soc_dai *cpu_dai) +{ + int ret = 0; + struct ssp_priv *priv = snd_soc_dai_get_drvdata(cpu_dai); + struct ssp_device *ssp = priv->ssp; + int val; + + switch (cmd) { + case SNDRV_PCM_TRIGGER_RESUME: + pxa_ssp_enable(ssp); + break; + case SNDRV_PCM_TRIGGER_PAUSE_RELEASE: + pxa_ssp_set_running_bit(substream, ssp, 1); + val = pxa_ssp_read_reg(ssp, SSSR); + pxa_ssp_write_reg(ssp, SSSR, val); + break; + case SNDRV_PCM_TRIGGER_START: + pxa_ssp_set_running_bit(substream, ssp, 1); + break; + case SNDRV_PCM_TRIGGER_STOP: + pxa_ssp_set_running_bit(substream, ssp, 0); + break; + case SNDRV_PCM_TRIGGER_SUSPEND: + pxa_ssp_disable(ssp); + break; + case SNDRV_PCM_TRIGGER_PAUSE_PUSH: + pxa_ssp_set_running_bit(substream, ssp, 0); + break; + + default: + ret = -EINVAL; + } + + dump_registers(ssp); + + return ret; +} + +static int pxa_ssp_probe(struct snd_soc_dai *dai) +{ + struct device *dev = dai->dev; + struct ssp_priv *priv; + int ret; + + priv = kzalloc(sizeof(struct ssp_priv), GFP_KERNEL); + if (!priv) + return -ENOMEM; + + if (dev->of_node) { + struct device_node *ssp_handle; + + ssp_handle = of_parse_phandle(dev->of_node, "port", 0); + if (!ssp_handle) { + dev_err(dev, "unable to get 'port' phandle\n"); + ret = -ENODEV; + goto err_priv; + } + + priv->ssp = pxa_ssp_request_of(ssp_handle, "SoC audio"); + if (priv->ssp == NULL) { + ret = -ENODEV; + goto err_priv; + } + } else { + priv->ssp = pxa_ssp_request(dai->id + 1, "SoC audio"); + if (priv->ssp == NULL) { + ret = -ENODEV; + goto err_priv; + } + } + + priv->dai_fmt = (unsigned int) -1; + snd_soc_dai_set_drvdata(dai, priv); + + return 0; + +err_priv: + kfree(priv); + return ret; +} + +static int pxa_ssp_remove(struct snd_soc_dai *dai) +{ + struct ssp_priv *priv = snd_soc_dai_get_drvdata(dai); + + pxa_ssp_free(priv->ssp); + kfree(priv); + return 0; +} + +#define PXA_SSP_RATES (SNDRV_PCM_RATE_8000 | SNDRV_PCM_RATE_11025 |\ + SNDRV_PCM_RATE_16000 | SNDRV_PCM_RATE_22050 | \ + SNDRV_PCM_RATE_32000 | SNDRV_PCM_RATE_44100 | \ + SNDRV_PCM_RATE_48000 | SNDRV_PCM_RATE_64000 | \ + SNDRV_PCM_RATE_88200 | SNDRV_PCM_RATE_96000) + +#define PXA_SSP_FORMATS (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S32_LE) + +static const struct snd_soc_dai_ops pxa_ssp_dai_ops = { + .startup = pxa_ssp_startup, + .shutdown = pxa_ssp_shutdown, + .trigger = pxa_ssp_trigger, + .hw_params = pxa_ssp_hw_params, + .set_sysclk = pxa_ssp_set_dai_sysclk, + .set_clkdiv = pxa_ssp_set_dai_clkdiv, + .set_pll = pxa_ssp_set_dai_pll, + .set_fmt = pxa_ssp_set_dai_fmt, + .set_tdm_slot = pxa_ssp_set_dai_tdm_slot, + .set_tristate = pxa_ssp_set_dai_tristate, +}; + +static struct snd_soc_dai_driver pxa_ssp_dai = { + .probe = pxa_ssp_probe, + .remove = pxa_ssp_remove, + .suspend = pxa_ssp_suspend, + .resume = pxa_ssp_resume, + .playback = { + .channels_min = 1, + .channels_max = 8, + .rates = PXA_SSP_RATES, + .formats = PXA_SSP_FORMATS, + }, + .capture = { + .channels_min = 1, + .channels_max = 8, + .rates = PXA_SSP_RATES, + .formats = PXA_SSP_FORMATS, + }, + .ops = &pxa_ssp_dai_ops, +}; + +static const struct snd_soc_component_driver pxa_ssp_component = { + .name = "pxa-ssp", +}; + +#ifdef CONFIG_OF +static const struct of_device_id pxa_ssp_of_ids[] = { + { .compatible = "mrvl,pxa-ssp-dai" }, + {} +}; +#endif + +static int asoc_ssp_probe(struct platform_device *pdev) +{ + return snd_soc_register_component(&pdev->dev, &pxa_ssp_component, + &pxa_ssp_dai, 1); +} + +static int asoc_ssp_remove(struct platform_device *pdev) +{ + snd_soc_unregister_component(&pdev->dev); + return 0; +} + +static struct platform_driver asoc_ssp_driver = { + .driver = { + .name = "pxa-ssp-dai", + .of_match_table = of_match_ptr(pxa_ssp_of_ids), + }, + + .probe = asoc_ssp_probe, + .remove = asoc_ssp_remove, +}; + +module_platform_driver(asoc_ssp_driver); + +/* Module information */ +MODULE_AUTHOR("Mark Brown <broonie@opensource.wolfsonmicro.com>"); +MODULE_DESCRIPTION("PXA SSP/PCM SoC Interface"); +MODULE_LICENSE("GPL"); diff --git a/kernel/sound/soc/pxa/pxa-ssp.h b/kernel/sound/soc/pxa/pxa-ssp.h new file mode 100644 index 000000000..bc79da221 --- /dev/null +++ b/kernel/sound/soc/pxa/pxa-ssp.h @@ -0,0 +1,45 @@ +/* + * ASoC PXA SSP port support + * + * 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. + */ + +#ifndef _PXA_SSP_H +#define _PXA_SSP_H + +/* pxa DAI SSP IDs */ +#define PXA_DAI_SSP1 0 +#define PXA_DAI_SSP2 1 +#define PXA_DAI_SSP3 2 +#define PXA_DAI_SSP4 3 + +/* SSP clock sources */ +#define PXA_SSP_CLK_PLL 0 +#define PXA_SSP_CLK_EXT 1 +#define PXA_SSP_CLK_NET 2 +#define PXA_SSP_CLK_AUDIO 3 +#define PXA_SSP_CLK_NET_PLL 4 + +/* SSP audio dividers */ +#define PXA_SSP_AUDIO_DIV_ACDS 0 +#define PXA_SSP_AUDIO_DIV_SCDB 1 +#define PXA_SSP_DIV_SCR 2 + +/* SSP ACDS audio dividers values */ +#define PXA_SSP_CLK_AUDIO_DIV_1 0 +#define PXA_SSP_CLK_AUDIO_DIV_2 1 +#define PXA_SSP_CLK_AUDIO_DIV_4 2 +#define PXA_SSP_CLK_AUDIO_DIV_8 3 +#define PXA_SSP_CLK_AUDIO_DIV_16 4 +#define PXA_SSP_CLK_AUDIO_DIV_32 5 + +/* SSP divider bypass */ +#define PXA_SSP_CLK_SCDB_4 0 +#define PXA_SSP_CLK_SCDB_1 1 +#define PXA_SSP_CLK_SCDB_8 2 + +#define PXA_SSP_PLL_OUT 0 + +#endif diff --git a/kernel/sound/soc/pxa/pxa2xx-ac97.c b/kernel/sound/soc/pxa/pxa2xx-ac97.c new file mode 100644 index 000000000..1f6054650 --- /dev/null +++ b/kernel/sound/soc/pxa/pxa2xx-ac97.c @@ -0,0 +1,274 @@ +/* + * linux/sound/pxa2xx-ac97.c -- AC97 support for the Intel PXA2xx chip. + * + * Author: Nicolas Pitre + * Created: Dec 02, 2004 + * Copyright: MontaVista Software Inc. + * + * 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 <linux/init.h> +#include <linux/io.h> +#include <linux/module.h> +#include <linux/platform_device.h> +#include <linux/dmaengine.h> + +#include <sound/core.h> +#include <sound/ac97_codec.h> +#include <sound/soc.h> +#include <sound/pxa2xx-lib.h> +#include <sound/dmaengine_pcm.h> + +#include <mach/hardware.h> +#include <mach/regs-ac97.h> +#include <mach/audio.h> + +#include "pxa2xx-ac97.h" + +static void pxa2xx_ac97_warm_reset(struct snd_ac97 *ac97) +{ + pxa2xx_ac97_try_warm_reset(ac97); + + pxa2xx_ac97_finish_reset(ac97); +} + +static void pxa2xx_ac97_cold_reset(struct snd_ac97 *ac97) +{ + pxa2xx_ac97_try_cold_reset(ac97); + + pxa2xx_ac97_finish_reset(ac97); +} + +static struct snd_ac97_bus_ops pxa2xx_ac97_ops = { + .read = pxa2xx_ac97_read, + .write = pxa2xx_ac97_write, + .warm_reset = pxa2xx_ac97_warm_reset, + .reset = pxa2xx_ac97_cold_reset, +}; + +static unsigned long pxa2xx_ac97_pcm_stereo_in_req = 12; +static struct snd_dmaengine_dai_dma_data pxa2xx_ac97_pcm_stereo_in = { + .addr = __PREG(PCDR), + .addr_width = DMA_SLAVE_BUSWIDTH_4_BYTES, + .maxburst = 32, + .filter_data = &pxa2xx_ac97_pcm_stereo_in_req, +}; + +static unsigned long pxa2xx_ac97_pcm_stereo_out_req = 11; +static struct snd_dmaengine_dai_dma_data pxa2xx_ac97_pcm_stereo_out = { + .addr = __PREG(PCDR), + .addr_width = DMA_SLAVE_BUSWIDTH_4_BYTES, + .maxburst = 32, + .filter_data = &pxa2xx_ac97_pcm_stereo_out_req, +}; + +static unsigned long pxa2xx_ac97_pcm_aux_mono_out_req = 10; +static struct snd_dmaengine_dai_dma_data pxa2xx_ac97_pcm_aux_mono_out = { + .addr = __PREG(MODR), + .addr_width = DMA_SLAVE_BUSWIDTH_2_BYTES, + .maxburst = 16, + .filter_data = &pxa2xx_ac97_pcm_aux_mono_out_req, +}; + +static unsigned long pxa2xx_ac97_pcm_aux_mono_in_req = 9; +static struct snd_dmaengine_dai_dma_data pxa2xx_ac97_pcm_aux_mono_in = { + .addr = __PREG(MODR), + .addr_width = DMA_SLAVE_BUSWIDTH_2_BYTES, + .maxburst = 16, + .filter_data = &pxa2xx_ac97_pcm_aux_mono_in_req, +}; + +static unsigned long pxa2xx_ac97_pcm_aux_mic_mono_req = 8; +static struct snd_dmaengine_dai_dma_data pxa2xx_ac97_pcm_mic_mono_in = { + .addr = __PREG(MCDR), + .addr_width = DMA_SLAVE_BUSWIDTH_2_BYTES, + .maxburst = 16, + .filter_data = &pxa2xx_ac97_pcm_aux_mic_mono_req, +}; + +static int pxa2xx_ac97_hw_params(struct snd_pcm_substream *substream, + struct snd_pcm_hw_params *params, + struct snd_soc_dai *cpu_dai) +{ + struct snd_dmaengine_dai_dma_data *dma_data; + + if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) + dma_data = &pxa2xx_ac97_pcm_stereo_out; + else + dma_data = &pxa2xx_ac97_pcm_stereo_in; + + snd_soc_dai_set_dma_data(cpu_dai, substream, dma_data); + + return 0; +} + +static int pxa2xx_ac97_hw_aux_params(struct snd_pcm_substream *substream, + struct snd_pcm_hw_params *params, + struct snd_soc_dai *cpu_dai) +{ + struct snd_dmaengine_dai_dma_data *dma_data; + + if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) + dma_data = &pxa2xx_ac97_pcm_aux_mono_out; + else + dma_data = &pxa2xx_ac97_pcm_aux_mono_in; + + snd_soc_dai_set_dma_data(cpu_dai, substream, dma_data); + + return 0; +} + +static int pxa2xx_ac97_hw_mic_params(struct snd_pcm_substream *substream, + struct snd_pcm_hw_params *params, + struct snd_soc_dai *cpu_dai) +{ + if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) + return -ENODEV; + else + snd_soc_dai_set_dma_data(cpu_dai, substream, + &pxa2xx_ac97_pcm_mic_mono_in); + + return 0; +} + +#define PXA2XX_AC97_RATES (SNDRV_PCM_RATE_8000 | SNDRV_PCM_RATE_11025 |\ + SNDRV_PCM_RATE_16000 | SNDRV_PCM_RATE_22050 | SNDRV_PCM_RATE_44100 | \ + SNDRV_PCM_RATE_48000) + +static const struct snd_soc_dai_ops pxa_ac97_hifi_dai_ops = { + .hw_params = pxa2xx_ac97_hw_params, +}; + +static const struct snd_soc_dai_ops pxa_ac97_aux_dai_ops = { + .hw_params = pxa2xx_ac97_hw_aux_params, +}; + +static const struct snd_soc_dai_ops pxa_ac97_mic_dai_ops = { + .hw_params = pxa2xx_ac97_hw_mic_params, +}; + +/* + * There is only 1 physical AC97 interface for pxa2xx, but it + * has extra fifo's that can be used for aux DACs and ADCs. + */ +static struct snd_soc_dai_driver pxa_ac97_dai_driver[] = { +{ + .name = "pxa2xx-ac97", + .bus_control = true, + .playback = { + .stream_name = "AC97 Playback", + .channels_min = 2, + .channels_max = 2, + .rates = PXA2XX_AC97_RATES, + .formats = SNDRV_PCM_FMTBIT_S16_LE,}, + .capture = { + .stream_name = "AC97 Capture", + .channels_min = 2, + .channels_max = 2, + .rates = PXA2XX_AC97_RATES, + .formats = SNDRV_PCM_FMTBIT_S16_LE,}, + .ops = &pxa_ac97_hifi_dai_ops, +}, +{ + .name = "pxa2xx-ac97-aux", + .bus_control = true, + .playback = { + .stream_name = "AC97 Aux Playback", + .channels_min = 1, + .channels_max = 1, + .rates = PXA2XX_AC97_RATES, + .formats = SNDRV_PCM_FMTBIT_S16_LE,}, + .capture = { + .stream_name = "AC97 Aux Capture", + .channels_min = 1, + .channels_max = 1, + .rates = PXA2XX_AC97_RATES, + .formats = SNDRV_PCM_FMTBIT_S16_LE,}, + .ops = &pxa_ac97_aux_dai_ops, +}, +{ + .name = "pxa2xx-ac97-mic", + .bus_control = true, + .capture = { + .stream_name = "AC97 Mic Capture", + .channels_min = 1, + .channels_max = 1, + .rates = PXA2XX_AC97_RATES, + .formats = SNDRV_PCM_FMTBIT_S16_LE,}, + .ops = &pxa_ac97_mic_dai_ops, +}, +}; + +static const struct snd_soc_component_driver pxa_ac97_component = { + .name = "pxa-ac97", +}; + +static int pxa2xx_ac97_dev_probe(struct platform_device *pdev) +{ + int ret; + + if (pdev->id != -1) { + dev_err(&pdev->dev, "PXA2xx has only one AC97 port.\n"); + return -ENXIO; + } + + ret = pxa2xx_ac97_hw_probe(pdev); + if (ret) { + dev_err(&pdev->dev, "PXA2xx AC97 hw probe error (%d)\n", ret); + return ret; + } + + ret = snd_soc_set_ac97_ops(&pxa2xx_ac97_ops); + if (ret != 0) + return ret; + + /* Punt most of the init to the SoC probe; we may need the machine + * driver to do interesting things with the clocking to get us up + * and running. + */ + return snd_soc_register_component(&pdev->dev, &pxa_ac97_component, + pxa_ac97_dai_driver, ARRAY_SIZE(pxa_ac97_dai_driver)); +} + +static int pxa2xx_ac97_dev_remove(struct platform_device *pdev) +{ + snd_soc_unregister_component(&pdev->dev); + snd_soc_set_ac97_ops(NULL); + pxa2xx_ac97_hw_remove(pdev); + return 0; +} + +#ifdef CONFIG_PM_SLEEP +static int pxa2xx_ac97_dev_suspend(struct device *dev) +{ + return pxa2xx_ac97_hw_suspend(); +} + +static int pxa2xx_ac97_dev_resume(struct device *dev) +{ + return pxa2xx_ac97_hw_resume(); +} + +static SIMPLE_DEV_PM_OPS(pxa2xx_ac97_pm_ops, + pxa2xx_ac97_dev_suspend, pxa2xx_ac97_dev_resume); +#endif + +static struct platform_driver pxa2xx_ac97_driver = { + .probe = pxa2xx_ac97_dev_probe, + .remove = pxa2xx_ac97_dev_remove, + .driver = { + .name = "pxa2xx-ac97", +#ifdef CONFIG_PM_SLEEP + .pm = &pxa2xx_ac97_pm_ops, +#endif + }, +}; + +module_platform_driver(pxa2xx_ac97_driver); + +MODULE_AUTHOR("Nicolas Pitre"); +MODULE_DESCRIPTION("AC97 driver for the Intel PXA2xx chip"); +MODULE_LICENSE("GPL"); diff --git a/kernel/sound/soc/pxa/pxa2xx-ac97.h b/kernel/sound/soc/pxa/pxa2xx-ac97.h new file mode 100644 index 000000000..a49c21ba3 --- /dev/null +++ b/kernel/sound/soc/pxa/pxa2xx-ac97.h @@ -0,0 +1,17 @@ +/* + * linux/sound/soc/pxa/pxa2xx-ac97.h + * + * 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. + */ + +#ifndef _PXA2XX_AC97_H +#define _PXA2XX_AC97_H + +/* pxa2xx DAI ID's */ +#define PXA2XX_DAI_AC97_HIFI 0 +#define PXA2XX_DAI_AC97_AUX 1 +#define PXA2XX_DAI_AC97_MIC 2 + +#endif diff --git a/kernel/sound/soc/pxa/pxa2xx-i2s.c b/kernel/sound/soc/pxa/pxa2xx-i2s.c new file mode 100644 index 000000000..e68290c15 --- /dev/null +++ b/kernel/sound/soc/pxa/pxa2xx-i2s.c @@ -0,0 +1,407 @@ +/* + * pxa2xx-i2s.c -- ALSA Soc Audio Layer + * + * Copyright 2005 Wolfson Microelectronics PLC. + * Author: Liam Girdwood + * lrg@slimlogic.co.uk + * + * 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/init.h> +#include <linux/module.h> +#include <linux/device.h> +#include <linux/delay.h> +#include <linux/clk.h> +#include <linux/platform_device.h> +#include <linux/io.h> +#include <sound/core.h> +#include <sound/pcm.h> +#include <sound/initval.h> +#include <sound/soc.h> +#include <sound/pxa2xx-lib.h> +#include <sound/dmaengine_pcm.h> + +#include <mach/hardware.h> +#include <mach/audio.h> + +#include "pxa2xx-i2s.h" + +/* + * I2S Controller Register and Bit Definitions + */ +#define SACR0 __REG(0x40400000) /* Global Control Register */ +#define SACR1 __REG(0x40400004) /* Serial Audio I 2 S/MSB-Justified Control Register */ +#define SASR0 __REG(0x4040000C) /* Serial Audio I 2 S/MSB-Justified Interface and FIFO Status Register */ +#define SAIMR __REG(0x40400014) /* Serial Audio Interrupt Mask Register */ +#define SAICR __REG(0x40400018) /* Serial Audio Interrupt Clear Register */ +#define SADIV __REG(0x40400060) /* Audio Clock Divider Register. */ +#define SADR __REG(0x40400080) /* Serial Audio Data Register (TX and RX FIFO access Register). */ + +#define SACR0_RFTH(x) ((x) << 12) /* Rx FIFO Interrupt or DMA Trigger Threshold */ +#define SACR0_TFTH(x) ((x) << 8) /* Tx FIFO Interrupt or DMA Trigger Threshold */ +#define SACR0_STRF (1 << 5) /* FIFO Select for EFWR Special Function */ +#define SACR0_EFWR (1 << 4) /* Enable EFWR Function */ +#define SACR0_RST (1 << 3) /* FIFO, i2s Register Reset */ +#define SACR0_BCKD (1 << 2) /* Bit Clock Direction */ +#define SACR0_ENB (1 << 0) /* Enable I2S Link */ +#define SACR1_ENLBF (1 << 5) /* Enable Loopback */ +#define SACR1_DRPL (1 << 4) /* Disable Replaying Function */ +#define SACR1_DREC (1 << 3) /* Disable Recording Function */ +#define SACR1_AMSL (1 << 0) /* Specify Alternate Mode */ + +#define SASR0_I2SOFF (1 << 7) /* Controller Status */ +#define SASR0_ROR (1 << 6) /* Rx FIFO Overrun */ +#define SASR0_TUR (1 << 5) /* Tx FIFO Underrun */ +#define SASR0_RFS (1 << 4) /* Rx FIFO Service Request */ +#define SASR0_TFS (1 << 3) /* Tx FIFO Service Request */ +#define SASR0_BSY (1 << 2) /* I2S Busy */ +#define SASR0_RNE (1 << 1) /* Rx FIFO Not Empty */ +#define SASR0_TNF (1 << 0) /* Tx FIFO Not Empty */ + +#define SAICR_ROR (1 << 6) /* Clear Rx FIFO Overrun Interrupt */ +#define SAICR_TUR (1 << 5) /* Clear Tx FIFO Underrun Interrupt */ + +#define SAIMR_ROR (1 << 6) /* Enable Rx FIFO Overrun Condition Interrupt */ +#define SAIMR_TUR (1 << 5) /* Enable Tx FIFO Underrun Condition Interrupt */ +#define SAIMR_RFS (1 << 4) /* Enable Rx FIFO Service Interrupt */ +#define SAIMR_TFS (1 << 3) /* Enable Tx FIFO Service Interrupt */ + +struct pxa_i2s_port { + u32 sadiv; + u32 sacr0; + u32 sacr1; + u32 saimr; + int master; + u32 fmt; +}; +static struct pxa_i2s_port pxa_i2s; +static struct clk *clk_i2s; +static int clk_ena = 0; + +static unsigned long pxa2xx_i2s_pcm_stereo_out_req = 3; +static struct snd_dmaengine_dai_dma_data pxa2xx_i2s_pcm_stereo_out = { + .addr = __PREG(SADR), + .addr_width = DMA_SLAVE_BUSWIDTH_4_BYTES, + .maxburst = 32, + .filter_data = &pxa2xx_i2s_pcm_stereo_out_req, +}; + +static unsigned long pxa2xx_i2s_pcm_stereo_in_req = 2; +static struct snd_dmaengine_dai_dma_data pxa2xx_i2s_pcm_stereo_in = { + .addr = __PREG(SADR), + .addr_width = DMA_SLAVE_BUSWIDTH_4_BYTES, + .maxburst = 32, + .filter_data = &pxa2xx_i2s_pcm_stereo_in_req, +}; + +static int pxa2xx_i2s_startup(struct snd_pcm_substream *substream, + struct snd_soc_dai *dai) +{ + struct snd_soc_pcm_runtime *rtd = substream->private_data; + struct snd_soc_dai *cpu_dai = rtd->cpu_dai; + + if (IS_ERR(clk_i2s)) + return PTR_ERR(clk_i2s); + + if (!cpu_dai->active) + SACR0 = 0; + + return 0; +} + +/* wait for I2S controller to be ready */ +static int pxa_i2s_wait(void) +{ + int i; + + /* flush the Rx FIFO */ + for(i = 0; i < 16; i++) + SADR; + return 0; +} + +static int pxa2xx_i2s_set_dai_fmt(struct snd_soc_dai *cpu_dai, + unsigned int fmt) +{ + /* interface format */ + switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) { + case SND_SOC_DAIFMT_I2S: + pxa_i2s.fmt = 0; + break; + case SND_SOC_DAIFMT_LEFT_J: + pxa_i2s.fmt = SACR1_AMSL; + break; + } + + switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) { + case SND_SOC_DAIFMT_CBS_CFS: + pxa_i2s.master = 1; + break; + case SND_SOC_DAIFMT_CBM_CFS: + pxa_i2s.master = 0; + break; + default: + break; + } + return 0; +} + +static int pxa2xx_i2s_set_dai_sysclk(struct snd_soc_dai *cpu_dai, + int clk_id, unsigned int freq, int dir) +{ + if (clk_id != PXA2XX_I2S_SYSCLK) + return -ENODEV; + + return 0; +} + +static int pxa2xx_i2s_hw_params(struct snd_pcm_substream *substream, + struct snd_pcm_hw_params *params, + struct snd_soc_dai *dai) +{ + struct snd_dmaengine_dai_dma_data *dma_data; + + if (WARN_ON(IS_ERR(clk_i2s))) + return -EINVAL; + clk_prepare_enable(clk_i2s); + clk_ena = 1; + pxa_i2s_wait(); + + if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) + dma_data = &pxa2xx_i2s_pcm_stereo_out; + else + dma_data = &pxa2xx_i2s_pcm_stereo_in; + + snd_soc_dai_set_dma_data(dai, substream, dma_data); + + /* is port used by another stream */ + if (!(SACR0 & SACR0_ENB)) { + SACR0 = 0; + if (pxa_i2s.master) + SACR0 |= SACR0_BCKD; + + SACR0 |= SACR0_RFTH(14) | SACR0_TFTH(1); + SACR1 |= pxa_i2s.fmt; + } + if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) + SAIMR |= SAIMR_TFS; + else + SAIMR |= SAIMR_RFS; + + switch (params_rate(params)) { + case 8000: + SADIV = 0x48; + break; + case 11025: + SADIV = 0x34; + break; + case 16000: + SADIV = 0x24; + break; + case 22050: + SADIV = 0x1a; + break; + case 44100: + SADIV = 0xd; + break; + case 48000: + SADIV = 0xc; + break; + case 96000: /* not in manual and possibly slightly inaccurate */ + SADIV = 0x6; + break; + } + + return 0; +} + +static int pxa2xx_i2s_trigger(struct snd_pcm_substream *substream, int cmd, + struct snd_soc_dai *dai) +{ + int ret = 0; + + switch (cmd) { + case SNDRV_PCM_TRIGGER_START: + if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) + SACR1 &= ~SACR1_DRPL; + else + SACR1 &= ~SACR1_DREC; + SACR0 |= SACR0_ENB; + break; + case SNDRV_PCM_TRIGGER_RESUME: + case SNDRV_PCM_TRIGGER_PAUSE_RELEASE: + case SNDRV_PCM_TRIGGER_STOP: + case SNDRV_PCM_TRIGGER_SUSPEND: + case SNDRV_PCM_TRIGGER_PAUSE_PUSH: + break; + default: + ret = -EINVAL; + } + + return ret; +} + +static void pxa2xx_i2s_shutdown(struct snd_pcm_substream *substream, + struct snd_soc_dai *dai) +{ + if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) { + SACR1 |= SACR1_DRPL; + SAIMR &= ~SAIMR_TFS; + } else { + SACR1 |= SACR1_DREC; + SAIMR &= ~SAIMR_RFS; + } + + if ((SACR1 & (SACR1_DREC | SACR1_DRPL)) == (SACR1_DREC | SACR1_DRPL)) { + SACR0 &= ~SACR0_ENB; + pxa_i2s_wait(); + if (clk_ena) { + clk_disable_unprepare(clk_i2s); + clk_ena = 0; + } + } +} + +#ifdef CONFIG_PM +static int pxa2xx_i2s_suspend(struct snd_soc_dai *dai) +{ + /* store registers */ + pxa_i2s.sacr0 = SACR0; + pxa_i2s.sacr1 = SACR1; + pxa_i2s.saimr = SAIMR; + pxa_i2s.sadiv = SADIV; + + /* deactivate link */ + SACR0 &= ~SACR0_ENB; + pxa_i2s_wait(); + return 0; +} + +static int pxa2xx_i2s_resume(struct snd_soc_dai *dai) +{ + pxa_i2s_wait(); + + SACR0 = pxa_i2s.sacr0 & ~SACR0_ENB; + SACR1 = pxa_i2s.sacr1; + SAIMR = pxa_i2s.saimr; + SADIV = pxa_i2s.sadiv; + + SACR0 = pxa_i2s.sacr0; + + return 0; +} + +#else +#define pxa2xx_i2s_suspend NULL +#define pxa2xx_i2s_resume NULL +#endif + +static int pxa2xx_i2s_probe(struct snd_soc_dai *dai) +{ + clk_i2s = clk_get(dai->dev, "I2SCLK"); + if (IS_ERR(clk_i2s)) + return PTR_ERR(clk_i2s); + + /* + * PXA Developer's Manual: + * If SACR0[ENB] is toggled in the middle of a normal operation, + * the SACR0[RST] bit must also be set and cleared to reset all + * I2S controller registers. + */ + SACR0 = SACR0_RST; + SACR0 = 0; + /* Make sure RPL and REC are disabled */ + SACR1 = SACR1_DRPL | SACR1_DREC; + /* Along with FIFO servicing */ + SAIMR &= ~(SAIMR_RFS | SAIMR_TFS); + + return 0; +} + +static int pxa2xx_i2s_remove(struct snd_soc_dai *dai) +{ + clk_put(clk_i2s); + clk_i2s = ERR_PTR(-ENOENT); + return 0; +} + +#define PXA2XX_I2S_RATES (SNDRV_PCM_RATE_8000 | SNDRV_PCM_RATE_11025 |\ + SNDRV_PCM_RATE_16000 | SNDRV_PCM_RATE_22050 | SNDRV_PCM_RATE_44100 | \ + SNDRV_PCM_RATE_48000 | SNDRV_PCM_RATE_96000) + +static const struct snd_soc_dai_ops pxa_i2s_dai_ops = { + .startup = pxa2xx_i2s_startup, + .shutdown = pxa2xx_i2s_shutdown, + .trigger = pxa2xx_i2s_trigger, + .hw_params = pxa2xx_i2s_hw_params, + .set_fmt = pxa2xx_i2s_set_dai_fmt, + .set_sysclk = pxa2xx_i2s_set_dai_sysclk, +}; + +static struct snd_soc_dai_driver pxa_i2s_dai = { + .probe = pxa2xx_i2s_probe, + .remove = pxa2xx_i2s_remove, + .suspend = pxa2xx_i2s_suspend, + .resume = pxa2xx_i2s_resume, + .playback = { + .channels_min = 2, + .channels_max = 2, + .rates = PXA2XX_I2S_RATES, + .formats = SNDRV_PCM_FMTBIT_S16_LE,}, + .capture = { + .channels_min = 2, + .channels_max = 2, + .rates = PXA2XX_I2S_RATES, + .formats = SNDRV_PCM_FMTBIT_S16_LE,}, + .ops = &pxa_i2s_dai_ops, + .symmetric_rates = 1, +}; + +static const struct snd_soc_component_driver pxa_i2s_component = { + .name = "pxa-i2s", +}; + +static int pxa2xx_i2s_drv_probe(struct platform_device *pdev) +{ + return snd_soc_register_component(&pdev->dev, &pxa_i2s_component, + &pxa_i2s_dai, 1); +} + +static int pxa2xx_i2s_drv_remove(struct platform_device *pdev) +{ + snd_soc_unregister_component(&pdev->dev); + return 0; +} + +static struct platform_driver pxa2xx_i2s_driver = { + .probe = pxa2xx_i2s_drv_probe, + .remove = pxa2xx_i2s_drv_remove, + + .driver = { + .name = "pxa2xx-i2s", + }, +}; + +static int __init pxa2xx_i2s_init(void) +{ + clk_i2s = ERR_PTR(-ENOENT); + return platform_driver_register(&pxa2xx_i2s_driver); +} + +static void __exit pxa2xx_i2s_exit(void) +{ + platform_driver_unregister(&pxa2xx_i2s_driver); +} + +module_init(pxa2xx_i2s_init); +module_exit(pxa2xx_i2s_exit); + +/* Module information */ +MODULE_AUTHOR("Liam Girdwood, lrg@slimlogic.co.uk"); +MODULE_DESCRIPTION("pxa2xx I2S SoC Interface"); +MODULE_LICENSE("GPL"); +MODULE_ALIAS("platform:pxa2xx-i2s"); diff --git a/kernel/sound/soc/pxa/pxa2xx-i2s.h b/kernel/sound/soc/pxa/pxa2xx-i2s.h new file mode 100644 index 000000000..070f3c605 --- /dev/null +++ b/kernel/sound/soc/pxa/pxa2xx-i2s.h @@ -0,0 +1,18 @@ +/* + * linux/sound/soc/pxa/pxa2xx-i2s.h + * + * 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. + */ + +#ifndef _PXA2XX_I2S_H +#define _PXA2XX_I2S_H + +/* pxa2xx DAI ID's */ +#define PXA2XX_DAI_I2S 0 + +/* I2S clock */ +#define PXA2XX_I2S_SYSCLK 0 + +#endif diff --git a/kernel/sound/soc/pxa/pxa2xx-pcm.c b/kernel/sound/soc/pxa/pxa2xx-pcm.c new file mode 100644 index 000000000..a51c9da66 --- /dev/null +++ b/kernel/sound/soc/pxa/pxa2xx-pcm.c @@ -0,0 +1,157 @@ +/* + * linux/sound/arm/pxa2xx-pcm.c -- ALSA PCM interface for the Intel PXA2xx chip + * + * Author: Nicolas Pitre + * Created: Nov 30, 2004 + * Copyright: (C) 2004 MontaVista Software, Inc. + * + * 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 <linux/dma-mapping.h> +#include <linux/module.h> +#include <linux/dmaengine.h> +#include <linux/of.h> + +#include <mach/dma.h> + +#include <sound/core.h> +#include <sound/soc.h> +#include <sound/pxa2xx-lib.h> +#include <sound/dmaengine_pcm.h> + +#include "../../arm/pxa2xx-pcm.h" + +static int pxa2xx_pcm_hw_params(struct snd_pcm_substream *substream, + struct snd_pcm_hw_params *params) +{ + struct snd_pcm_runtime *runtime = substream->runtime; + struct pxa2xx_runtime_data *prtd = runtime->private_data; + struct snd_soc_pcm_runtime *rtd = substream->private_data; + struct snd_dmaengine_dai_dma_data *dma; + int ret; + + dma = snd_soc_dai_get_dma_data(rtd->cpu_dai, substream); + + /* return if this is a bufferless transfer e.g. + * codec <--> BT codec or GSM modem -- lg FIXME */ + if (!dma) + return 0; + + /* this may get called several times by oss emulation + * with different params */ + if (prtd->params == NULL) { + prtd->params = dma; + ret = pxa_request_dma("name", DMA_PRIO_LOW, + pxa2xx_pcm_dma_irq, substream); + if (ret < 0) + return ret; + prtd->dma_ch = ret; + } else if (prtd->params != dma) { + pxa_free_dma(prtd->dma_ch); + prtd->params = dma; + ret = pxa_request_dma("name", DMA_PRIO_LOW, + pxa2xx_pcm_dma_irq, substream); + if (ret < 0) + return ret; + prtd->dma_ch = ret; + } + + return __pxa2xx_pcm_hw_params(substream, params); +} + +static int pxa2xx_pcm_hw_free(struct snd_pcm_substream *substream) +{ + struct pxa2xx_runtime_data *prtd = substream->runtime->private_data; + + __pxa2xx_pcm_hw_free(substream); + + if (prtd->dma_ch >= 0) { + pxa_free_dma(prtd->dma_ch); + prtd->dma_ch = -1; + prtd->params = NULL; + } + + return 0; +} + +static struct snd_pcm_ops pxa2xx_pcm_ops = { + .open = __pxa2xx_pcm_open, + .close = __pxa2xx_pcm_close, + .ioctl = snd_pcm_lib_ioctl, + .hw_params = pxa2xx_pcm_hw_params, + .hw_free = pxa2xx_pcm_hw_free, + .prepare = __pxa2xx_pcm_prepare, + .trigger = pxa2xx_pcm_trigger, + .pointer = pxa2xx_pcm_pointer, + .mmap = pxa2xx_pcm_mmap, +}; + +static int pxa2xx_soc_pcm_new(struct snd_soc_pcm_runtime *rtd) +{ + struct snd_card *card = rtd->card->snd_card; + struct snd_pcm *pcm = rtd->pcm; + int ret; + + ret = dma_coerce_mask_and_coherent(card->dev, DMA_BIT_MASK(32)); + if (ret) + return ret; + + if (pcm->streams[SNDRV_PCM_STREAM_PLAYBACK].substream) { + ret = pxa2xx_pcm_preallocate_dma_buffer(pcm, + SNDRV_PCM_STREAM_PLAYBACK); + if (ret) + goto out; + } + + if (pcm->streams[SNDRV_PCM_STREAM_CAPTURE].substream) { + ret = pxa2xx_pcm_preallocate_dma_buffer(pcm, + SNDRV_PCM_STREAM_CAPTURE); + if (ret) + goto out; + } + out: + return ret; +} + +static struct snd_soc_platform_driver pxa2xx_soc_platform = { + .ops = &pxa2xx_pcm_ops, + .pcm_new = pxa2xx_soc_pcm_new, + .pcm_free = pxa2xx_pcm_free_dma_buffers, +}; + +static int pxa2xx_soc_platform_probe(struct platform_device *pdev) +{ + return snd_soc_register_platform(&pdev->dev, &pxa2xx_soc_platform); +} + +static int pxa2xx_soc_platform_remove(struct platform_device *pdev) +{ + snd_soc_unregister_platform(&pdev->dev); + return 0; +} + +#ifdef CONFIG_OF +static const struct of_device_id snd_soc_pxa_audio_match[] = { + { .compatible = "mrvl,pxa-pcm-audio" }, + { } +}; +#endif + +static struct platform_driver pxa_pcm_driver = { + .driver = { + .name = "pxa-pcm-audio", + .of_match_table = of_match_ptr(snd_soc_pxa_audio_match), + }, + + .probe = pxa2xx_soc_platform_probe, + .remove = pxa2xx_soc_platform_remove, +}; + +module_platform_driver(pxa_pcm_driver); + +MODULE_AUTHOR("Nicolas Pitre"); +MODULE_DESCRIPTION("Intel PXA2xx PCM DMA module"); +MODULE_LICENSE("GPL"); diff --git a/kernel/sound/soc/pxa/raumfeld.c b/kernel/sound/soc/pxa/raumfeld.c new file mode 100644 index 000000000..552b76300 --- /dev/null +++ b/kernel/sound/soc/pxa/raumfeld.c @@ -0,0 +1,320 @@ +/* + * raumfeld_audio.c -- SoC audio for Raumfeld audio devices + * + * Copyright (c) 2009 Daniel Mack <daniel@caiaq.de> + * + * based on code from: + * + * Wolfson Microelectronics PLC. + * Openedhand Ltd. + * Liam Girdwood <lrg@slimlogic.co.uk> + * Richard Purdie <richard@openedhand.com> + * + * 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/module.h> +#include <linux/i2c.h> +#include <linux/delay.h> +#include <linux/gpio.h> +#include <sound/pcm.h> +#include <sound/soc.h> + +#include <asm/mach-types.h> + +#include "pxa-ssp.h" + +#define GPIO_SPDIF_RESET (38) +#define GPIO_MCLK_RESET (111) +#define GPIO_CODEC_RESET (120) + +static struct i2c_client *max9486_client; +static struct i2c_board_info max9486_hwmon_info = { + I2C_BOARD_INFO("max9485", 0x63), +}; + +#define MAX9485_MCLK_FREQ_112896 0x22 +#define MAX9485_MCLK_FREQ_122880 0x23 +#define MAX9485_MCLK_FREQ_225792 0x32 +#define MAX9485_MCLK_FREQ_245760 0x33 + +static void set_max9485_clk(char clk) +{ + i2c_master_send(max9486_client, &clk, 1); +} + +static void raumfeld_enable_audio(bool en) +{ + if (en) { + gpio_set_value(GPIO_MCLK_RESET, 1); + + /* wait some time to let the clocks become stable */ + msleep(100); + + gpio_set_value(GPIO_SPDIF_RESET, 1); + gpio_set_value(GPIO_CODEC_RESET, 1); + } else { + gpio_set_value(GPIO_MCLK_RESET, 0); + gpio_set_value(GPIO_SPDIF_RESET, 0); + gpio_set_value(GPIO_CODEC_RESET, 0); + } +} + +/* CS4270 */ +static int raumfeld_cs4270_startup(struct snd_pcm_substream *substream) +{ + struct snd_soc_pcm_runtime *rtd = substream->private_data; + struct snd_soc_dai *codec_dai = rtd->codec_dai; + + /* set freq to 0 to enable all possible codec sample rates */ + return snd_soc_dai_set_sysclk(codec_dai, 0, 0, 0); +} + +static void raumfeld_cs4270_shutdown(struct snd_pcm_substream *substream) +{ + struct snd_soc_pcm_runtime *rtd = substream->private_data; + struct snd_soc_dai *codec_dai = rtd->codec_dai; + + /* set freq to 0 to enable all possible codec sample rates */ + snd_soc_dai_set_sysclk(codec_dai, 0, 0, 0); +} + +static int raumfeld_cs4270_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; + unsigned int clk = 0; + int ret = 0; + + switch (params_rate(params)) { + case 44100: + set_max9485_clk(MAX9485_MCLK_FREQ_112896); + clk = 11289600; + break; + case 48000: + set_max9485_clk(MAX9485_MCLK_FREQ_122880); + clk = 12288000; + break; + case 88200: + set_max9485_clk(MAX9485_MCLK_FREQ_225792); + clk = 22579200; + break; + case 96000: + set_max9485_clk(MAX9485_MCLK_FREQ_245760); + clk = 24576000; + break; + default: + return -EINVAL; + } + + ret = snd_soc_dai_set_sysclk(codec_dai, 0, clk, 0); + if (ret < 0) + return ret; + + /* setup the CPU DAI */ + ret = snd_soc_dai_set_pll(cpu_dai, 0, 0, 0, clk); + if (ret < 0) + return ret; + + ret = snd_soc_dai_set_clkdiv(cpu_dai, PXA_SSP_DIV_SCR, 4); + if (ret < 0) + return ret; + + ret = snd_soc_dai_set_sysclk(cpu_dai, PXA_SSP_CLK_EXT, clk, 1); + if (ret < 0) + return ret; + + return 0; +} + +static struct snd_soc_ops raumfeld_cs4270_ops = { + .startup = raumfeld_cs4270_startup, + .shutdown = raumfeld_cs4270_shutdown, + .hw_params = raumfeld_cs4270_hw_params, +}; + +static int raumfeld_analog_suspend(struct snd_soc_card *card) +{ + raumfeld_enable_audio(false); + return 0; +} + +static int raumfeld_analog_resume(struct snd_soc_card *card) +{ + raumfeld_enable_audio(true); + return 0; +} + +/* AK4104 */ + +static int raumfeld_ak4104_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 *cpu_dai = rtd->cpu_dai; + int ret = 0, clk = 0; + + switch (params_rate(params)) { + case 44100: + set_max9485_clk(MAX9485_MCLK_FREQ_112896); + clk = 11289600; + break; + case 48000: + set_max9485_clk(MAX9485_MCLK_FREQ_122880); + clk = 12288000; + break; + case 88200: + set_max9485_clk(MAX9485_MCLK_FREQ_225792); + clk = 22579200; + break; + case 96000: + set_max9485_clk(MAX9485_MCLK_FREQ_245760); + clk = 24576000; + break; + default: + return -EINVAL; + } + + /* setup the CPU DAI */ + ret = snd_soc_dai_set_pll(cpu_dai, 0, 0, 0, clk); + if (ret < 0) + return ret; + + ret = snd_soc_dai_set_clkdiv(cpu_dai, PXA_SSP_DIV_SCR, 4); + if (ret < 0) + return ret; + + ret = snd_soc_dai_set_sysclk(cpu_dai, PXA_SSP_CLK_EXT, clk, 1); + if (ret < 0) + return ret; + + return 0; +} + +static struct snd_soc_ops raumfeld_ak4104_ops = { + .hw_params = raumfeld_ak4104_hw_params, +}; + +#define DAI_LINK_CS4270 \ +{ \ + .name = "CS4270", \ + .stream_name = "CS4270", \ + .cpu_dai_name = "pxa-ssp-dai.0", \ + .platform_name = "pxa-pcm-audio", \ + .codec_dai_name = "cs4270-hifi", \ + .codec_name = "cs4270.0-0048", \ + .dai_fmt = SND_SOC_DAIFMT_I2S | \ + SND_SOC_DAIFMT_NB_NF | \ + SND_SOC_DAIFMT_CBS_CFS, \ + .ops = &raumfeld_cs4270_ops, \ +} + +#define DAI_LINK_AK4104 \ +{ \ + .name = "ak4104", \ + .stream_name = "Playback", \ + .cpu_dai_name = "pxa-ssp-dai.1", \ + .codec_dai_name = "ak4104-hifi", \ + .platform_name = "pxa-pcm-audio", \ + .dai_fmt = SND_SOC_DAIFMT_I2S | \ + SND_SOC_DAIFMT_NB_NF | \ + SND_SOC_DAIFMT_CBS_CFS, \ + .ops = &raumfeld_ak4104_ops, \ + .codec_name = "spi0.0", \ +} + +static struct snd_soc_dai_link snd_soc_raumfeld_connector_dai[] = +{ + DAI_LINK_CS4270, + DAI_LINK_AK4104, +}; + +static struct snd_soc_dai_link snd_soc_raumfeld_speaker_dai[] = +{ + DAI_LINK_CS4270, +}; + +static struct snd_soc_card snd_soc_raumfeld_connector = { + .name = "Raumfeld Connector", + .owner = THIS_MODULE, + .dai_link = snd_soc_raumfeld_connector_dai, + .num_links = ARRAY_SIZE(snd_soc_raumfeld_connector_dai), + .suspend_post = raumfeld_analog_suspend, + .resume_pre = raumfeld_analog_resume, +}; + +static struct snd_soc_card snd_soc_raumfeld_speaker = { + .name = "Raumfeld Speaker", + .owner = THIS_MODULE, + .dai_link = snd_soc_raumfeld_speaker_dai, + .num_links = ARRAY_SIZE(snd_soc_raumfeld_speaker_dai), + .suspend_post = raumfeld_analog_suspend, + .resume_pre = raumfeld_analog_resume, +}; + +static struct platform_device *raumfeld_audio_device; + +static int __init raumfeld_audio_init(void) +{ + int ret; + + if (!machine_is_raumfeld_speaker() && + !machine_is_raumfeld_connector()) + return 0; + + max9486_client = i2c_new_device(i2c_get_adapter(0), + &max9486_hwmon_info); + + if (!max9486_client) + return -ENOMEM; + + set_max9485_clk(MAX9485_MCLK_FREQ_122880); + + /* Register analog device */ + raumfeld_audio_device = platform_device_alloc("soc-audio", 0); + if (!raumfeld_audio_device) + return -ENOMEM; + + if (machine_is_raumfeld_speaker()) + platform_set_drvdata(raumfeld_audio_device, + &snd_soc_raumfeld_speaker); + + if (machine_is_raumfeld_connector()) + platform_set_drvdata(raumfeld_audio_device, + &snd_soc_raumfeld_connector); + + ret = platform_device_add(raumfeld_audio_device); + if (ret < 0) { + platform_device_put(raumfeld_audio_device); + return ret; + } + + raumfeld_enable_audio(true); + return 0; +} + +static void __exit raumfeld_audio_exit(void) +{ + raumfeld_enable_audio(false); + + platform_device_unregister(raumfeld_audio_device); + + i2c_unregister_device(max9486_client); + + gpio_free(GPIO_MCLK_RESET); + gpio_free(GPIO_CODEC_RESET); + gpio_free(GPIO_SPDIF_RESET); +} + +module_init(raumfeld_audio_init); +module_exit(raumfeld_audio_exit); + +/* Module information */ +MODULE_AUTHOR("Daniel Mack <daniel@caiaq.de>"); +MODULE_DESCRIPTION("Raumfeld audio SoC"); +MODULE_LICENSE("GPL"); diff --git a/kernel/sound/soc/pxa/spitz.c b/kernel/sound/soc/pxa/spitz.c new file mode 100644 index 000000000..461123ad5 --- /dev/null +++ b/kernel/sound/soc/pxa/spitz.c @@ -0,0 +1,346 @@ +/* + * spitz.c -- SoC audio for Sharp SL-Cxx00 models Spitz, Borzoi and Akita + * + * Copyright 2005 Wolfson Microelectronics PLC. + * Copyright 2005 Openedhand Ltd. + * + * Authors: Liam Girdwood <lrg@slimlogic.co.uk> + * Richard Purdie <richard@openedhand.com> + * + * 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/module.h> +#include <linux/moduleparam.h> +#include <linux/timer.h> +#include <linux/interrupt.h> +#include <linux/platform_device.h> +#include <linux/gpio.h> +#include <sound/core.h> +#include <sound/pcm.h> +#include <sound/soc.h> + +#include <asm/mach-types.h> +#include <mach/spitz.h> +#include "../codecs/wm8750.h" +#include "pxa2xx-i2s.h" + +#define SPITZ_HP 0 +#define SPITZ_MIC 1 +#define SPITZ_LINE 2 +#define SPITZ_HEADSET 3 +#define SPITZ_HP_OFF 4 +#define SPITZ_SPK_ON 0 +#define SPITZ_SPK_OFF 1 + + /* audio clock in Hz - rounded from 12.235MHz */ +#define SPITZ_AUDIO_CLOCK 12288000 + +static int spitz_jack_func; +static int spitz_spk_func; +static int spitz_mic_gpio; + +static void spitz_ext_control(struct snd_soc_dapm_context *dapm) +{ + snd_soc_dapm_mutex_lock(dapm); + + if (spitz_spk_func == SPITZ_SPK_ON) + snd_soc_dapm_enable_pin_unlocked(dapm, "Ext Spk"); + else + snd_soc_dapm_disable_pin_unlocked(dapm, "Ext Spk"); + + /* set up jack connection */ + switch (spitz_jack_func) { + case SPITZ_HP: + /* enable and unmute hp jack, disable mic bias */ + snd_soc_dapm_disable_pin_unlocked(dapm, "Headset Jack"); + snd_soc_dapm_disable_pin_unlocked(dapm, "Mic Jack"); + snd_soc_dapm_disable_pin_unlocked(dapm, "Line Jack"); + snd_soc_dapm_enable_pin_unlocked(dapm, "Headphone Jack"); + gpio_set_value(SPITZ_GPIO_MUTE_L, 1); + gpio_set_value(SPITZ_GPIO_MUTE_R, 1); + break; + case SPITZ_MIC: + /* enable mic jack and bias, mute hp */ + snd_soc_dapm_disable_pin_unlocked(dapm, "Headphone Jack"); + snd_soc_dapm_disable_pin_unlocked(dapm, "Headset Jack"); + snd_soc_dapm_disable_pin_unlocked(dapm, "Line Jack"); + snd_soc_dapm_enable_pin_unlocked(dapm, "Mic Jack"); + gpio_set_value(SPITZ_GPIO_MUTE_L, 0); + gpio_set_value(SPITZ_GPIO_MUTE_R, 0); + break; + case SPITZ_LINE: + /* enable line jack, disable mic bias and mute hp */ + snd_soc_dapm_disable_pin_unlocked(dapm, "Headphone Jack"); + snd_soc_dapm_disable_pin_unlocked(dapm, "Headset Jack"); + snd_soc_dapm_disable_pin_unlocked(dapm, "Mic Jack"); + snd_soc_dapm_enable_pin_unlocked(dapm, "Line Jack"); + gpio_set_value(SPITZ_GPIO_MUTE_L, 0); + gpio_set_value(SPITZ_GPIO_MUTE_R, 0); + break; + case SPITZ_HEADSET: + /* enable and unmute headset jack enable mic bias, mute L hp */ + snd_soc_dapm_disable_pin_unlocked(dapm, "Headphone Jack"); + snd_soc_dapm_enable_pin_unlocked(dapm, "Mic Jack"); + snd_soc_dapm_disable_pin_unlocked(dapm, "Line Jack"); + snd_soc_dapm_enable_pin_unlocked(dapm, "Headset Jack"); + gpio_set_value(SPITZ_GPIO_MUTE_L, 0); + gpio_set_value(SPITZ_GPIO_MUTE_R, 1); + break; + case SPITZ_HP_OFF: + + /* jack removed, everything off */ + snd_soc_dapm_disable_pin_unlocked(dapm, "Headphone Jack"); + snd_soc_dapm_disable_pin_unlocked(dapm, "Headset Jack"); + snd_soc_dapm_disable_pin_unlocked(dapm, "Mic Jack"); + snd_soc_dapm_disable_pin_unlocked(dapm, "Line Jack"); + gpio_set_value(SPITZ_GPIO_MUTE_L, 0); + gpio_set_value(SPITZ_GPIO_MUTE_R, 0); + break; + } + + snd_soc_dapm_sync_unlocked(dapm); + + snd_soc_dapm_mutex_unlock(dapm); +} + +static int spitz_startup(struct snd_pcm_substream *substream) +{ + struct snd_soc_pcm_runtime *rtd = substream->private_data; + + /* check the jack status at stream startup */ + spitz_ext_control(&rtd->card->dapm); + + return 0; +} + +static int spitz_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; + 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; + } + + /* 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; + + /* set the I2S system clock as input (unused) */ + ret = snd_soc_dai_set_sysclk(cpu_dai, PXA2XX_I2S_SYSCLK, 0, + SND_SOC_CLOCK_IN); + if (ret < 0) + return ret; + + return 0; +} + +static struct snd_soc_ops spitz_ops = { + .startup = spitz_startup, + .hw_params = spitz_hw_params, +}; + +static int spitz_get_jack(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_value *ucontrol) +{ + ucontrol->value.integer.value[0] = spitz_jack_func; + return 0; +} + +static int spitz_set_jack(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_value *ucontrol) +{ + struct snd_soc_card *card = snd_kcontrol_chip(kcontrol); + + if (spitz_jack_func == ucontrol->value.integer.value[0]) + return 0; + + spitz_jack_func = ucontrol->value.integer.value[0]; + spitz_ext_control(&card->dapm); + return 1; +} + +static int spitz_get_spk(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_value *ucontrol) +{ + ucontrol->value.integer.value[0] = spitz_spk_func; + return 0; +} + +static int spitz_set_spk(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_value *ucontrol) +{ + struct snd_soc_card *card = snd_kcontrol_chip(kcontrol); + + if (spitz_spk_func == ucontrol->value.integer.value[0]) + return 0; + + spitz_spk_func = ucontrol->value.integer.value[0]; + spitz_ext_control(&card->dapm); + return 1; +} + +static int spitz_mic_bias(struct snd_soc_dapm_widget *w, + struct snd_kcontrol *k, int event) +{ + gpio_set_value_cansleep(spitz_mic_gpio, SND_SOC_DAPM_EVENT_ON(event)); + return 0; +} + +/* spitz machine dapm widgets */ +static const struct snd_soc_dapm_widget wm8750_dapm_widgets[] = { + SND_SOC_DAPM_HP("Headphone Jack", NULL), + SND_SOC_DAPM_MIC("Mic Jack", spitz_mic_bias), + SND_SOC_DAPM_SPK("Ext Spk", NULL), + SND_SOC_DAPM_LINE("Line Jack", NULL), + + /* headset is a mic and mono headphone */ + SND_SOC_DAPM_HP("Headset Jack", NULL), +}; + +/* Spitz machine audio_map */ +static const struct snd_soc_dapm_route spitz_audio_map[] = { + + /* headphone connected to LOUT1, ROUT1 */ + {"Headphone Jack", NULL, "LOUT1"}, + {"Headphone Jack", NULL, "ROUT1"}, + + /* headset connected to ROUT1 and LINPUT1 with bias (def below) */ + {"Headset Jack", NULL, "ROUT1"}, + + /* ext speaker connected to LOUT2, ROUT2 */ + {"Ext Spk", NULL , "ROUT2"}, + {"Ext Spk", NULL , "LOUT2"}, + + /* mic is connected to input 1 - with bias */ + {"LINPUT1", NULL, "Mic Bias"}, + {"Mic Bias", NULL, "Mic Jack"}, + + /* line is connected to input 1 - no bias */ + {"LINPUT1", NULL, "Line Jack"}, +}; + +static const char *jack_function[] = {"Headphone", "Mic", "Line", "Headset", + "Off"}; +static const char *spk_function[] = {"On", "Off"}; +static const struct soc_enum spitz_enum[] = { + SOC_ENUM_SINGLE_EXT(5, jack_function), + SOC_ENUM_SINGLE_EXT(2, spk_function), +}; + +static const struct snd_kcontrol_new wm8750_spitz_controls[] = { + SOC_ENUM_EXT("Jack Function", spitz_enum[0], spitz_get_jack, + spitz_set_jack), + SOC_ENUM_EXT("Speaker Function", spitz_enum[1], spitz_get_spk, + spitz_set_spk), +}; + +/* spitz digital audio interface glue - connects codec <--> CPU */ +static struct snd_soc_dai_link spitz_dai = { + .name = "wm8750", + .stream_name = "WM8750", + .cpu_dai_name = "pxa2xx-i2s", + .codec_dai_name = "wm8750-hifi", + .platform_name = "pxa-pcm-audio", + .codec_name = "wm8750.0-001b", + .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF | + SND_SOC_DAIFMT_CBS_CFS, + .ops = &spitz_ops, +}; + +/* spitz audio machine driver */ +static struct snd_soc_card snd_soc_spitz = { + .name = "Spitz", + .owner = THIS_MODULE, + .dai_link = &spitz_dai, + .num_links = 1, + + .controls = wm8750_spitz_controls, + .num_controls = ARRAY_SIZE(wm8750_spitz_controls), + .dapm_widgets = wm8750_dapm_widgets, + .num_dapm_widgets = ARRAY_SIZE(wm8750_dapm_widgets), + .dapm_routes = spitz_audio_map, + .num_dapm_routes = ARRAY_SIZE(spitz_audio_map), + .fully_routed = true, +}; + +static int spitz_probe(struct platform_device *pdev) +{ + struct snd_soc_card *card = &snd_soc_spitz; + int ret; + + if (machine_is_akita()) + spitz_mic_gpio = AKITA_GPIO_MIC_BIAS; + else + spitz_mic_gpio = SPITZ_GPIO_MIC_BIAS; + + ret = gpio_request(spitz_mic_gpio, "MIC GPIO"); + if (ret) + goto err1; + + ret = gpio_direction_output(spitz_mic_gpio, 0); + if (ret) + goto err2; + + card->dev = &pdev->dev; + + ret = snd_soc_register_card(card); + if (ret) { + dev_err(&pdev->dev, "snd_soc_register_card() failed: %d\n", + ret); + goto err2; + } + + return 0; + +err2: + gpio_free(spitz_mic_gpio); +err1: + return ret; +} + +static int spitz_remove(struct platform_device *pdev) +{ + struct snd_soc_card *card = platform_get_drvdata(pdev); + + snd_soc_unregister_card(card); + gpio_free(spitz_mic_gpio); + return 0; +} + +static struct platform_driver spitz_driver = { + .driver = { + .name = "spitz-audio", + .pm = &snd_soc_pm_ops, + }, + .probe = spitz_probe, + .remove = spitz_remove, +}; + +module_platform_driver(spitz_driver); + +MODULE_AUTHOR("Richard Purdie"); +MODULE_DESCRIPTION("ALSA SoC Spitz"); +MODULE_LICENSE("GPL"); +MODULE_ALIAS("platform:spitz-audio"); diff --git a/kernel/sound/soc/pxa/tosa.c b/kernel/sound/soc/pxa/tosa.c new file mode 100644 index 000000000..cb49284e8 --- /dev/null +++ b/kernel/sound/soc/pxa/tosa.c @@ -0,0 +1,280 @@ +/* + * tosa.c -- SoC audio for Tosa + * + * Copyright 2005 Wolfson Microelectronics PLC. + * Copyright 2005 Openedhand Ltd. + * + * Authors: Liam Girdwood <lrg@slimlogic.co.uk> + * Richard Purdie <richard@openedhand.com> + * + * 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. + * + * GPIO's + * 1 - Jack Insertion + * 5 - Hookswitch (headset answer/hang up switch) + * + */ + +#include <linux/module.h> +#include <linux/moduleparam.h> +#include <linux/device.h> +#include <linux/gpio.h> + +#include <sound/core.h> +#include <sound/pcm.h> +#include <sound/soc.h> + +#include <asm/mach-types.h> +#include <mach/tosa.h> +#include <mach/audio.h> + +#include "../codecs/wm9712.h" +#include "pxa2xx-ac97.h" + +#define TOSA_HP 0 +#define TOSA_MIC_INT 1 +#define TOSA_HEADSET 2 +#define TOSA_HP_OFF 3 +#define TOSA_SPK_ON 0 +#define TOSA_SPK_OFF 1 + +static int tosa_jack_func; +static int tosa_spk_func; + +static void tosa_ext_control(struct snd_soc_dapm_context *dapm) +{ + + snd_soc_dapm_mutex_lock(dapm); + + /* set up jack connection */ + switch (tosa_jack_func) { + case TOSA_HP: + snd_soc_dapm_disable_pin_unlocked(dapm, "Mic (Internal)"); + snd_soc_dapm_enable_pin_unlocked(dapm, "Headphone Jack"); + snd_soc_dapm_disable_pin_unlocked(dapm, "Headset Jack"); + break; + case TOSA_MIC_INT: + snd_soc_dapm_enable_pin_unlocked(dapm, "Mic (Internal)"); + snd_soc_dapm_disable_pin_unlocked(dapm, "Headphone Jack"); + snd_soc_dapm_disable_pin_unlocked(dapm, "Headset Jack"); + break; + case TOSA_HEADSET: + snd_soc_dapm_disable_pin_unlocked(dapm, "Mic (Internal)"); + snd_soc_dapm_disable_pin_unlocked(dapm, "Headphone Jack"); + snd_soc_dapm_enable_pin_unlocked(dapm, "Headset Jack"); + break; + } + + if (tosa_spk_func == TOSA_SPK_ON) + snd_soc_dapm_enable_pin_unlocked(dapm, "Speaker"); + else + snd_soc_dapm_disable_pin_unlocked(dapm, "Speaker"); + + snd_soc_dapm_sync_unlocked(dapm); + + snd_soc_dapm_mutex_unlock(dapm); +} + +static int tosa_startup(struct snd_pcm_substream *substream) +{ + struct snd_soc_pcm_runtime *rtd = substream->private_data; + + /* check the jack status at stream startup */ + tosa_ext_control(&rtd->card->dapm); + + return 0; +} + +static struct snd_soc_ops tosa_ops = { + .startup = tosa_startup, +}; + +static int tosa_get_jack(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_value *ucontrol) +{ + ucontrol->value.integer.value[0] = tosa_jack_func; + return 0; +} + +static int tosa_set_jack(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_value *ucontrol) +{ + struct snd_soc_card *card = snd_kcontrol_chip(kcontrol); + + if (tosa_jack_func == ucontrol->value.integer.value[0]) + return 0; + + tosa_jack_func = ucontrol->value.integer.value[0]; + tosa_ext_control(&card->dapm); + return 1; +} + +static int tosa_get_spk(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_value *ucontrol) +{ + ucontrol->value.integer.value[0] = tosa_spk_func; + return 0; +} + +static int tosa_set_spk(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_value *ucontrol) +{ + struct snd_soc_card *card = snd_kcontrol_chip(kcontrol); + + if (tosa_spk_func == ucontrol->value.integer.value[0]) + return 0; + + tosa_spk_func = ucontrol->value.integer.value[0]; + tosa_ext_control(&card->dapm); + return 1; +} + +/* tosa dapm event handlers */ +static int tosa_hp_event(struct snd_soc_dapm_widget *w, + struct snd_kcontrol *k, int event) +{ + gpio_set_value(TOSA_GPIO_L_MUTE, SND_SOC_DAPM_EVENT_ON(event) ? 1 :0); + return 0; +} + +/* tosa machine dapm widgets */ +static const struct snd_soc_dapm_widget tosa_dapm_widgets[] = { +SND_SOC_DAPM_HP("Headphone Jack", tosa_hp_event), +SND_SOC_DAPM_HP("Headset Jack", NULL), +SND_SOC_DAPM_MIC("Mic (Internal)", NULL), +SND_SOC_DAPM_SPK("Speaker", NULL), +}; + +/* tosa audio map */ +static const struct snd_soc_dapm_route audio_map[] = { + + /* headphone connected to HPOUTL, HPOUTR */ + {"Headphone Jack", NULL, "HPOUTL"}, + {"Headphone Jack", NULL, "HPOUTR"}, + + /* ext speaker connected to LOUT2, ROUT2 */ + {"Speaker", NULL, "LOUT2"}, + {"Speaker", NULL, "ROUT2"}, + + /* internal mic is connected to mic1, mic2 differential - with bias */ + {"MIC1", NULL, "Mic Bias"}, + {"MIC2", NULL, "Mic Bias"}, + {"Mic Bias", NULL, "Mic (Internal)"}, + + /* headset is connected to HPOUTR, and LINEINR with bias */ + {"Headset Jack", NULL, "HPOUTR"}, + {"LINEINR", NULL, "Mic Bias"}, + {"Mic Bias", NULL, "Headset Jack"}, +}; + +static const char *jack_function[] = {"Headphone", "Mic", "Line", "Headset", + "Off"}; +static const char *spk_function[] = {"On", "Off"}; +static const struct soc_enum tosa_enum[] = { + SOC_ENUM_SINGLE_EXT(5, jack_function), + SOC_ENUM_SINGLE_EXT(2, spk_function), +}; + +static const struct snd_kcontrol_new tosa_controls[] = { + SOC_ENUM_EXT("Jack Function", tosa_enum[0], tosa_get_jack, + tosa_set_jack), + SOC_ENUM_EXT("Speaker Function", tosa_enum[1], tosa_get_spk, + tosa_set_spk), +}; + +static int tosa_ac97_init(struct snd_soc_pcm_runtime *rtd) +{ + struct snd_soc_codec *codec = rtd->codec; + struct snd_soc_dapm_context *dapm = &codec->dapm; + + snd_soc_dapm_nc_pin(dapm, "OUT3"); + snd_soc_dapm_nc_pin(dapm, "MONOOUT"); + + return 0; +} + +static struct snd_soc_dai_link tosa_dai[] = { +{ + .name = "AC97", + .stream_name = "AC97 HiFi", + .cpu_dai_name = "pxa2xx-ac97", + .codec_dai_name = "wm9712-hifi", + .platform_name = "pxa-pcm-audio", + .codec_name = "wm9712-codec", + .init = tosa_ac97_init, + .ops = &tosa_ops, +}, +{ + .name = "AC97 Aux", + .stream_name = "AC97 Aux", + .cpu_dai_name = "pxa2xx-ac97-aux", + .codec_dai_name = "wm9712-aux", + .platform_name = "pxa-pcm-audio", + .codec_name = "wm9712-codec", + .ops = &tosa_ops, +}, +}; + +static struct snd_soc_card tosa = { + .name = "Tosa", + .owner = THIS_MODULE, + .dai_link = tosa_dai, + .num_links = ARRAY_SIZE(tosa_dai), + + .controls = tosa_controls, + .num_controls = ARRAY_SIZE(tosa_controls), + .dapm_widgets = tosa_dapm_widgets, + .num_dapm_widgets = ARRAY_SIZE(tosa_dapm_widgets), + .dapm_routes = audio_map, + .num_dapm_routes = ARRAY_SIZE(audio_map), +}; + +static int tosa_probe(struct platform_device *pdev) +{ + struct snd_soc_card *card = ⤩ + int ret; + + ret = gpio_request_one(TOSA_GPIO_L_MUTE, GPIOF_OUT_INIT_LOW, + "Headphone Jack"); + if (ret) + return ret; + + card->dev = &pdev->dev; + + ret = snd_soc_register_card(card); + if (ret) { + dev_err(&pdev->dev, "snd_soc_register_card() failed: %d\n", + ret); + gpio_free(TOSA_GPIO_L_MUTE); + } + return ret; +} + +static int tosa_remove(struct platform_device *pdev) +{ + struct snd_soc_card *card = platform_get_drvdata(pdev); + + gpio_free(TOSA_GPIO_L_MUTE); + snd_soc_unregister_card(card); + return 0; +} + +static struct platform_driver tosa_driver = { + .driver = { + .name = "tosa-audio", + .pm = &snd_soc_pm_ops, + }, + .probe = tosa_probe, + .remove = tosa_remove, +}; + +module_platform_driver(tosa_driver); + +/* Module information */ +MODULE_AUTHOR("Richard Purdie"); +MODULE_DESCRIPTION("ALSA SoC Tosa"); +MODULE_LICENSE("GPL"); +MODULE_ALIAS("platform:tosa-audio"); diff --git a/kernel/sound/soc/pxa/ttc-dkb.c b/kernel/sound/soc/pxa/ttc-dkb.c new file mode 100644 index 000000000..1753c7d9e --- /dev/null +++ b/kernel/sound/soc/pxa/ttc-dkb.c @@ -0,0 +1,163 @@ +/* + * linux/sound/soc/pxa/ttc_dkb.c + * + * Copyright (C) 2012 Marvell International Ltd. + * + * 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. + * + * 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + * + */ +#include <linux/module.h> +#include <linux/moduleparam.h> +#include <sound/core.h> +#include <sound/pcm.h> +#include <sound/soc.h> +#include <sound/jack.h> +#include <asm/mach-types.h> +#include <sound/pcm_params.h> +#include "../codecs/88pm860x-codec.h" + +static struct snd_soc_jack hs_jack, mic_jack; + +static struct snd_soc_jack_pin hs_jack_pins[] = { + { .pin = "Headset Stereophone", .mask = SND_JACK_HEADPHONE, }, +}; + +static struct snd_soc_jack_pin mic_jack_pins[] = { + { .pin = "Headset Mic 2", .mask = SND_JACK_MICROPHONE, }, +}; + +/* ttc machine dapm widgets */ +static const struct snd_soc_dapm_widget ttc_dapm_widgets[] = { + SND_SOC_DAPM_HP("Headset Stereophone", NULL), + SND_SOC_DAPM_LINE("Lineout Out 1", NULL), + SND_SOC_DAPM_LINE("Lineout Out 2", NULL), + SND_SOC_DAPM_SPK("Ext Speaker", NULL), + SND_SOC_DAPM_MIC("Ext Mic 1", NULL), + SND_SOC_DAPM_MIC("Headset Mic 2", NULL), + SND_SOC_DAPM_MIC("Ext Mic 3", NULL), +}; + +/* ttc machine audio map */ +static const struct snd_soc_dapm_route ttc_audio_map[] = { + {"Headset Stereophone", NULL, "HS1"}, + {"Headset Stereophone", NULL, "HS2"}, + + {"Ext Speaker", NULL, "LSP"}, + {"Ext Speaker", NULL, "LSN"}, + + {"Lineout Out 1", NULL, "LINEOUT1"}, + {"Lineout Out 2", NULL, "LINEOUT2"}, + + {"MIC1P", NULL, "Mic1 Bias"}, + {"MIC1N", NULL, "Mic1 Bias"}, + {"Mic1 Bias", NULL, "Ext Mic 1"}, + + {"MIC2P", NULL, "Mic1 Bias"}, + {"MIC2N", NULL, "Mic1 Bias"}, + {"Mic1 Bias", NULL, "Headset Mic 2"}, + + {"MIC3P", NULL, "Mic3 Bias"}, + {"MIC3N", NULL, "Mic3 Bias"}, + {"Mic3 Bias", NULL, "Ext Mic 3"}, +}; + +static int ttc_pm860x_init(struct snd_soc_pcm_runtime *rtd) +{ + struct snd_soc_codec *codec = rtd->codec; + + /* Headset jack detection */ + snd_soc_card_jack_new(rtd->card, "Headphone Jack", SND_JACK_HEADPHONE | + SND_JACK_BTN_0 | SND_JACK_BTN_1 | SND_JACK_BTN_2, + &hs_jack, hs_jack_pins, ARRAY_SIZE(hs_jack_pins)); + snd_soc_card_jack_new(rtd->card, "Microphone Jack", SND_JACK_MICROPHONE, + &mic_jack, mic_jack_pins, + ARRAY_SIZE(mic_jack_pins)); + + /* headphone, microphone detection & headset short detection */ + pm860x_hs_jack_detect(codec, &hs_jack, SND_JACK_HEADPHONE, + SND_JACK_BTN_0, SND_JACK_BTN_1, SND_JACK_BTN_2); + pm860x_mic_jack_detect(codec, &hs_jack, SND_JACK_MICROPHONE); + + return 0; +} + +/* ttc/td-dkb digital audio interface glue - connects codec <--> CPU */ +static struct snd_soc_dai_link ttc_pm860x_hifi_dai[] = { +{ + .name = "88pm860x i2s", + .stream_name = "audio playback", + .codec_name = "88pm860x-codec", + .platform_name = "mmp-pcm-audio", + .cpu_dai_name = "pxa-ssp-dai.1", + .codec_dai_name = "88pm860x-i2s", + .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF | + SND_SOC_DAIFMT_CBM_CFM, + .init = ttc_pm860x_init, +}, +}; + +/* ttc/td audio machine driver */ +static struct snd_soc_card ttc_dkb_card = { + .name = "ttc-dkb-hifi", + .owner = THIS_MODULE, + .dai_link = ttc_pm860x_hifi_dai, + .num_links = ARRAY_SIZE(ttc_pm860x_hifi_dai), + + .dapm_widgets = ttc_dapm_widgets, + .num_dapm_widgets = ARRAY_SIZE(ttc_dapm_widgets), + .dapm_routes = ttc_audio_map, + .num_dapm_routes = ARRAY_SIZE(ttc_audio_map), +}; + +static int ttc_dkb_probe(struct platform_device *pdev) +{ + struct snd_soc_card *card = &ttc_dkb_card; + int ret; + + card->dev = &pdev->dev; + + ret = snd_soc_register_card(card); + if (ret) + dev_err(&pdev->dev, "snd_soc_register_card() failed: %d\n", + ret); + + return ret; +} + +static int ttc_dkb_remove(struct platform_device *pdev) +{ + struct snd_soc_card *card = platform_get_drvdata(pdev); + + snd_soc_unregister_card(card); + + return 0; +} + +static struct platform_driver ttc_dkb_driver = { + .driver = { + .name = "ttc-dkb-audio", + .pm = &snd_soc_pm_ops, + }, + .probe = ttc_dkb_probe, + .remove = ttc_dkb_remove, +}; + +module_platform_driver(ttc_dkb_driver); + +/* Module information */ +MODULE_AUTHOR("Qiao Zhou, <zhouqiao@marvell.com>"); +MODULE_DESCRIPTION("ALSA SoC TTC DKB"); +MODULE_LICENSE("GPL"); +MODULE_ALIAS("platform:ttc-dkb-audio"); diff --git a/kernel/sound/soc/pxa/z2.c b/kernel/sound/soc/pxa/z2.c new file mode 100644 index 000000000..bcbfbe830 --- /dev/null +++ b/kernel/sound/soc/pxa/z2.c @@ -0,0 +1,227 @@ +/* + * linux/sound/soc/pxa/z2.c + * + * SoC Audio driver for Aeronix Zipit Z2 + * + * Copyright (C) 2009 Ken McGuire <kenm@desertweyr.com> + * Copyright (C) 2010 Marek Vasut <marek.vasut@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. + */ + +#include <linux/module.h> +#include <linux/moduleparam.h> +#include <linux/timer.h> +#include <linux/interrupt.h> +#include <linux/platform_device.h> +#include <linux/gpio.h> + +#include <sound/core.h> +#include <sound/pcm.h> +#include <sound/soc.h> +#include <sound/jack.h> + +#include <asm/mach-types.h> +#include <mach/hardware.h> +#include <mach/audio.h> +#include <mach/z2.h> + +#include "../codecs/wm8750.h" +#include "pxa2xx-i2s.h" + +static struct snd_soc_card snd_soc_z2; + +static int z2_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; + 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; + } + + /* 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; + + /* set the I2S system clock as input (unused) */ + ret = snd_soc_dai_set_sysclk(cpu_dai, PXA2XX_I2S_SYSCLK, 0, + SND_SOC_CLOCK_IN); + if (ret < 0) + return ret; + + return 0; +} + +static struct snd_soc_jack hs_jack; + +/* Headset jack detection DAPM pins */ +static struct snd_soc_jack_pin hs_jack_pins[] = { + { + .pin = "Mic Jack", + .mask = SND_JACK_MICROPHONE, + }, + { + .pin = "Headphone Jack", + .mask = SND_JACK_HEADPHONE, + }, + { + .pin = "Ext Spk", + .mask = SND_JACK_HEADPHONE, + .invert = 1 + }, +}; + +/* Headset jack detection gpios */ +static struct snd_soc_jack_gpio hs_jack_gpios[] = { + { + .gpio = GPIO37_ZIPITZ2_HEADSET_DETECT, + .name = "hsdet-gpio", + .report = SND_JACK_HEADSET, + .debounce_time = 200, + .invert = 1, + }, +}; + +/* z2 machine dapm widgets */ +static const struct snd_soc_dapm_widget wm8750_dapm_widgets[] = { + SND_SOC_DAPM_HP("Headphone Jack", NULL), + SND_SOC_DAPM_MIC("Mic Jack", NULL), + SND_SOC_DAPM_SPK("Ext Spk", NULL), + + /* headset is a mic and mono headphone */ + SND_SOC_DAPM_HP("Headset Jack", NULL), +}; + +/* Z2 machine audio_map */ +static const struct snd_soc_dapm_route z2_audio_map[] = { + + /* headphone connected to LOUT1, ROUT1 */ + {"Headphone Jack", NULL, "LOUT1"}, + {"Headphone Jack", NULL, "ROUT1"}, + + /* ext speaker connected to LOUT2, ROUT2 */ + {"Ext Spk", NULL , "ROUT2"}, + {"Ext Spk", NULL , "LOUT2"}, + + /* mic is connected to R input 2 - with bias */ + {"RINPUT2", NULL, "Mic Bias"}, + {"Mic Bias", NULL, "Mic Jack"}, +}; + +/* + * Logic for a wm8750 as connected on a Z2 Device + */ +static int z2_wm8750_init(struct snd_soc_pcm_runtime *rtd) +{ + struct snd_soc_codec *codec = rtd->codec; + struct snd_soc_dapm_context *dapm = &codec->dapm; + int ret; + + /* NC codec pins */ + snd_soc_dapm_disable_pin(dapm, "LINPUT3"); + snd_soc_dapm_disable_pin(dapm, "RINPUT3"); + snd_soc_dapm_disable_pin(dapm, "OUT3"); + snd_soc_dapm_disable_pin(dapm, "MONO1"); + + /* Jack detection API stuff */ + ret = snd_soc_card_jack_new(rtd->card, "Headset Jack", SND_JACK_HEADSET, + &hs_jack, hs_jack_pins, + ARRAY_SIZE(hs_jack_pins)); + if (ret) + goto err; + + ret = snd_soc_jack_add_gpios(&hs_jack, ARRAY_SIZE(hs_jack_gpios), + hs_jack_gpios); + if (ret) + goto err; + + return 0; + +err: + return ret; +} + +static struct snd_soc_ops z2_ops = { + .hw_params = z2_hw_params, +}; + +/* z2 digital audio interface glue - connects codec <--> CPU */ +static struct snd_soc_dai_link z2_dai = { + .name = "wm8750", + .stream_name = "WM8750", + .cpu_dai_name = "pxa2xx-i2s", + .codec_dai_name = "wm8750-hifi", + .platform_name = "pxa-pcm-audio", + .codec_name = "wm8750.0-001b", + .init = z2_wm8750_init, + .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF | + SND_SOC_DAIFMT_CBS_CFS, + .ops = &z2_ops, +}; + +/* z2 audio machine driver */ +static struct snd_soc_card snd_soc_z2 = { + .name = "Z2", + .owner = THIS_MODULE, + .dai_link = &z2_dai, + .num_links = 1, + + .dapm_widgets = wm8750_dapm_widgets, + .num_dapm_widgets = ARRAY_SIZE(wm8750_dapm_widgets), + .dapm_routes = z2_audio_map, + .num_dapm_routes = ARRAY_SIZE(z2_audio_map), +}; + +static struct platform_device *z2_snd_device; + +static int __init z2_init(void) +{ + int ret; + + if (!machine_is_zipit2()) + return -ENODEV; + + z2_snd_device = platform_device_alloc("soc-audio", -1); + if (!z2_snd_device) + return -ENOMEM; + + platform_set_drvdata(z2_snd_device, &snd_soc_z2); + ret = platform_device_add(z2_snd_device); + + if (ret) + platform_device_put(z2_snd_device); + + return ret; +} + +static void __exit z2_exit(void) +{ + platform_device_unregister(z2_snd_device); +} + +module_init(z2_init); +module_exit(z2_exit); + +MODULE_AUTHOR("Ken McGuire <kenm@desertweyr.com>, " + "Marek Vasut <marek.vasut@gmail.com>"); +MODULE_DESCRIPTION("ALSA SoC ZipitZ2"); +MODULE_LICENSE("GPL"); diff --git a/kernel/sound/soc/pxa/zylonite.c b/kernel/sound/soc/pxa/zylonite.c new file mode 100644 index 000000000..8f301c72e --- /dev/null +++ b/kernel/sound/soc/pxa/zylonite.c @@ -0,0 +1,275 @@ +/* + * zylonite.c -- SoC audio for Zylonite + * + * Copyright 2008 Wolfson Microelectronics PLC. + * Author: Mark Brown <broonie@opensource.wolfsonmicro.com> + * + * 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/module.h> +#include <linux/moduleparam.h> +#include <linux/device.h> +#include <linux/clk.h> +#include <linux/i2c.h> +#include <sound/core.h> +#include <sound/pcm.h> +#include <sound/pcm_params.h> +#include <sound/soc.h> + +#include "../codecs/wm9713.h" +#include "pxa2xx-ac97.h" +#include "pxa-ssp.h" + +/* + * There is a physical switch SW15 on the board which changes the MCLK + * for the WM9713 between the standard AC97 master clock and the + * output of the CLK_POUT signal from the PXA. + */ +static int clk_pout; +module_param(clk_pout, int, 0); +MODULE_PARM_DESC(clk_pout, "Use CLK_POUT as WM9713 MCLK (SW15 on board)."); + +static struct clk *pout; + +static struct snd_soc_card zylonite; + +static const struct snd_soc_dapm_widget zylonite_dapm_widgets[] = { + SND_SOC_DAPM_HP("Headphone", NULL), + SND_SOC_DAPM_MIC("Headset Microphone", NULL), + SND_SOC_DAPM_MIC("Handset Microphone", NULL), + SND_SOC_DAPM_SPK("Multiactor", NULL), + SND_SOC_DAPM_SPK("Headset Earpiece", NULL), +}; + +/* Currently supported audio map */ +static const struct snd_soc_dapm_route audio_map[] = { + + /* Headphone output connected to HPL/HPR */ + { "Headphone", NULL, "HPL" }, + { "Headphone", NULL, "HPR" }, + + /* On-board earpiece */ + { "Headset Earpiece", NULL, "OUT3" }, + + /* Headphone mic */ + { "MIC2A", NULL, "Mic Bias" }, + { "Mic Bias", NULL, "Headset Microphone" }, + + /* On-board mic */ + { "MIC1", NULL, "Mic Bias" }, + { "Mic Bias", NULL, "Handset Microphone" }, + + /* Multiactor differentially connected over SPKL/SPKR */ + { "Multiactor", NULL, "SPKL" }, + { "Multiactor", NULL, "SPKR" }, +}; + +static int zylonite_wm9713_init(struct snd_soc_pcm_runtime *rtd) +{ + if (clk_pout) + snd_soc_dai_set_pll(rtd->codec_dai, 0, 0, + clk_get_rate(pout), 0); + + return 0; +} + +static int zylonite_voice_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; + unsigned int pll_out = 0; + unsigned int wm9713_div = 0; + int ret = 0; + int rate = params_rate(params); + int width = snd_pcm_format_physical_width(params_format(params)); + + /* Only support ratios that we can generate neatly from the AC97 + * based master clock - in particular, this excludes 44.1kHz. + * In most applications the voice DAC will be used for telephony + * data so multiples of 8kHz will be the common case. + */ + switch (rate) { + case 8000: + wm9713_div = 12; + break; + case 16000: + wm9713_div = 6; + break; + case 48000: + wm9713_div = 2; + break; + default: + /* Don't support OSS emulation */ + return -EINVAL; + } + + /* Add 1 to the width for the leading clock cycle */ + pll_out = rate * (width + 1) * 8; + + ret = snd_soc_dai_set_sysclk(cpu_dai, PXA_SSP_CLK_AUDIO, 0, 1); + if (ret < 0) + return ret; + + ret = snd_soc_dai_set_pll(cpu_dai, 0, 0, 0, pll_out); + if (ret < 0) + return ret; + + if (clk_pout) + ret = snd_soc_dai_set_clkdiv(codec_dai, WM9713_PCMCLK_PLL_DIV, + WM9713_PCMDIV(wm9713_div)); + else + ret = snd_soc_dai_set_clkdiv(codec_dai, WM9713_PCMCLK_DIV, + WM9713_PCMDIV(wm9713_div)); + if (ret < 0) + return ret; + + return 0; +} + +static struct snd_soc_ops zylonite_voice_ops = { + .hw_params = zylonite_voice_hw_params, +}; + +static struct snd_soc_dai_link zylonite_dai[] = { +{ + .name = "AC97", + .stream_name = "AC97 HiFi", + .codec_name = "wm9713-codec", + .platform_name = "pxa-pcm-audio", + .cpu_dai_name = "pxa2xx-ac97", + .codec_dai_name = "wm9713-hifi", + .init = zylonite_wm9713_init, +}, +{ + .name = "AC97 Aux", + .stream_name = "AC97 Aux", + .codec_name = "wm9713-codec", + .platform_name = "pxa-pcm-audio", + .cpu_dai_name = "pxa2xx-ac97-aux", + .codec_dai_name = "wm9713-aux", +}, +{ + .name = "WM9713 Voice", + .stream_name = "WM9713 Voice", + .codec_name = "wm9713-codec", + .platform_name = "pxa-pcm-audio", + .cpu_dai_name = "pxa-ssp-dai.2", + .codec_dai_name = "wm9713-voice", + .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF | + SND_SOC_DAIFMT_CBS_CFS, + .ops = &zylonite_voice_ops, +}, +}; + +static int zylonite_probe(struct snd_soc_card *card) +{ + int ret; + + if (clk_pout) { + pout = clk_get(NULL, "CLK_POUT"); + if (IS_ERR(pout)) { + dev_err(card->dev, "Unable to obtain CLK_POUT: %ld\n", + PTR_ERR(pout)); + return PTR_ERR(pout); + } + + ret = clk_enable(pout); + if (ret != 0) { + dev_err(card->dev, "Unable to enable CLK_POUT: %d\n", + ret); + clk_put(pout); + return ret; + } + + dev_dbg(card->dev, "MCLK enabled at %luHz\n", + clk_get_rate(pout)); + } + + return 0; +} + +static int zylonite_remove(struct snd_soc_card *card) +{ + if (clk_pout) { + clk_disable(pout); + clk_put(pout); + } + + return 0; +} + +static int zylonite_suspend_post(struct snd_soc_card *card) +{ + if (clk_pout) + clk_disable(pout); + + return 0; +} + +static int zylonite_resume_pre(struct snd_soc_card *card) +{ + int ret = 0; + + if (clk_pout) { + ret = clk_enable(pout); + if (ret != 0) + dev_err(card->dev, "Unable to enable CLK_POUT: %d\n", + ret); + } + + return ret; +} + +static struct snd_soc_card zylonite = { + .name = "Zylonite", + .owner = THIS_MODULE, + .probe = &zylonite_probe, + .remove = &zylonite_remove, + .suspend_post = &zylonite_suspend_post, + .resume_pre = &zylonite_resume_pre, + .dai_link = zylonite_dai, + .num_links = ARRAY_SIZE(zylonite_dai), + + .dapm_widgets = zylonite_dapm_widgets, + .num_dapm_widgets = ARRAY_SIZE(zylonite_dapm_widgets), + .dapm_routes = audio_map, + .num_dapm_routes = ARRAY_SIZE(audio_map), +}; + +static struct platform_device *zylonite_snd_ac97_device; + +static int __init zylonite_init(void) +{ + int ret; + + zylonite_snd_ac97_device = platform_device_alloc("soc-audio", -1); + if (!zylonite_snd_ac97_device) + return -ENOMEM; + + platform_set_drvdata(zylonite_snd_ac97_device, &zylonite); + + ret = platform_device_add(zylonite_snd_ac97_device); + if (ret != 0) + platform_device_put(zylonite_snd_ac97_device); + + return ret; +} + +static void __exit zylonite_exit(void) +{ + platform_device_unregister(zylonite_snd_ac97_device); +} + +module_init(zylonite_init); +module_exit(zylonite_exit); + +MODULE_AUTHOR("Mark Brown <broonie@opensource.wolfsonmicro.com>"); +MODULE_DESCRIPTION("ALSA SoC WM9713 Zylonite"); +MODULE_LICENSE("GPL"); |