Add machine-driver for ST-Ericsson U8500 platform, including support for the AB8500-codec.
Signed-off-by: Ola Lilja ola.o.lilja@stericsson.com --- sound/soc/ux500/Kconfig | 11 ++ sound/soc/ux500/Makefile | 3 + sound/soc/ux500/u8500.c | 118 +++++++++++++++++++++ sound/soc/ux500/ux500_ab8500.c | 225 ++++++++++++++++++++++++++++++++++++++++ sound/soc/ux500/ux500_ab8500.h | 21 ++++ 5 files changed, 378 insertions(+), 0 deletions(-) create mode 100644 sound/soc/ux500/u8500.c create mode 100644 sound/soc/ux500/ux500_ab8500.c create mode 100644 sound/soc/ux500/ux500_ab8500.h
diff --git a/sound/soc/ux500/Kconfig b/sound/soc/ux500/Kconfig index 59da6ce..85031b0 100644 --- a/sound/soc/ux500/Kconfig +++ b/sound/soc/ux500/Kconfig @@ -21,3 +21,14 @@ config SND_SOC_UX500_PLAT_DMA help Say Y if you want to enable the Ux500 platform-driver.
+config SND_SOC_UX500_AB8500 + tristate "Codec/Machine - AB8500 (MSA)" + depends on AB8500_CORE && AB8500_GPADC && SND_SOC_UX500 + select SND_SOC_AB8500_CODEC + select SND_SOC_UX500_PLAT_MSP_I2S + select SND_SOC_UX500_PLAT_DMA + help + Select this to enable the Ux500 machine-driver + and the AB8500 codec-driver. It will also enable the platform-driver + Ux500. + diff --git a/sound/soc/ux500/Makefile b/sound/soc/ux500/Makefile index 2e742b1..50b7c42 100644 --- a/sound/soc/ux500/Makefile +++ b/sound/soc/ux500/Makefile @@ -6,3 +6,6 @@ obj-$(CONFIG_SND_SOC_UX500_PLAT_MSP_I2S) += snd-soc-ux500-plat-msp-i2s.o snd-soc-ux500-plat-dma-objs := ux500_pcm.o obj-$(CONFIG_SND_SOC_UX500_PLAT_DMA) += snd-soc-ux500-plat-dma.o
+snd-soc-ux500-mach-objs := u8500.o ux500_ab8500.o +obj-$(CONFIG_SND_SOC_UX500_AB8500) += snd-soc-ux500-mach.o + diff --git a/sound/soc/ux500/u8500.c b/sound/soc/ux500/u8500.c new file mode 100644 index 0000000..33348f7 --- /dev/null +++ b/sound/soc/ux500/u8500.c @@ -0,0 +1,118 @@ +/* + * Copyright (C) ST-Ericsson SA 2012 + * + * Author: Ola Lilja (ola.o.lilja@stericsson.com) + * for ST-Ericsson. + * + * License terms: + * + * 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 <asm/mach-types.h> + +#include <linux/module.h> +#include <linux/io.h> +#include <linux/spi/spi.h> + +#include <sound/soc.h> +#include <sound/initval.h> + +#include "ux500_pcm.h" +#include "ux500_msp_dai.h" + +#ifdef CONFIG_SND_SOC_UX500_AB8500 +#include <ux500_ab8500.h> +#endif + +/* Define the whole U8500 soundcard, linking platform to the codec-drivers */ +struct snd_soc_dai_link u8500_dai_links[] = { + #ifdef CONFIG_SND_SOC_UX500_AB8500 + { + .name = "ab8500_0", + .stream_name = "ab8500_0", + .cpu_dai_name = "ux500-msp-i2s.1", + .codec_dai_name = "ab8500-codec-dai.0", + .platform_name = "ux500-pcm.0", + .codec_name = "ab8500-codec.0", + .init = ux500_ab8500_machine_init, + .ops = ux500_ab8500_ops, + }, + { + .name = "ab8500_1", + .stream_name = "ab8500_1", + .cpu_dai_name = "ux500-msp-i2s.3", + .codec_dai_name = "ab8500-codec-dai.1", + .platform_name = "ux500-pcm.0", + .codec_name = "ab8500-codec.0", + .init = NULL, + .ops = ux500_ab8500_ops, + }, + #endif +}; + +static struct snd_soc_card u8500_card = { + .name = "U8500-card", + .probe = NULL, + .dai_link = u8500_dai_links, + .num_links = ARRAY_SIZE(u8500_dai_links), +}; + + + + +static int __devinit u8500_probe(struct platform_device *pdev) +{ + int ret; + + pr_debug("%s: Enter.\n", __func__); + + u8500_card.dev = &pdev->dev; + + dev_dbg(&pdev->dev, "%s: Card %s: Set platform drvdata.\n", + __func__, u8500_card.name); + platform_set_drvdata(pdev, &u8500_card); + + snd_soc_card_set_drvdata(&u8500_card, NULL); + + dev_dbg(&pdev->dev, "%s: Card %s: num_links = %d\n", + __func__, u8500_card.name, u8500_card.num_links); + dev_dbg(&pdev->dev, "%s: Card %s: DAI-link 0: name = %s\n", + __func__, u8500_card.name, u8500_card.dai_link[0].name); + dev_dbg(&pdev->dev, "%s: Card %s: DAI-link 0: stream_name = %s\n", + __func__, u8500_card.name, u8500_card.dai_link[0].stream_name); + + ret = snd_soc_register_card(&u8500_card); + if (ret) + dev_err(&pdev->dev, "Error: snd_soc_register_card failed (%d)!\n", + ret); + + return ret; +} + +static int __devexit u8500_remove(struct platform_device *pdev) +{ + struct snd_soc_card *u8500_card = platform_get_drvdata(pdev); + + pr_debug("%s: Enter.\n", __func__); + + snd_soc_unregister_card(u8500_card); + platform_set_drvdata(pdev, NULL); + + return 0; +} + +static struct platform_driver snd_soc_u8500_driver = { + .driver = { + .owner = THIS_MODULE, + .name = "snd-soc-u8500", + }, + .probe = u8500_probe, + .remove = __devexit_p(u8500_remove), +}; + +module_platform_driver(snd_soc_u8500_driver); + + diff --git a/sound/soc/ux500/ux500_ab8500.c b/sound/soc/ux500/ux500_ab8500.c new file mode 100644 index 0000000..e4b8c5a --- /dev/null +++ b/sound/soc/ux500/ux500_ab8500.c @@ -0,0 +1,225 @@ +/* + * Copyright (C) ST-Ericsson SA 2012 + * + * Author: Ola Lilja ola.o.lilja@stericsson.com, + * Kristoffer Karlsson kristoffer.karlsson@stericsson.com + * for ST-Ericsson. + * + * License terms: + * + * 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/device.h> +#include <linux/io.h> + +#include <mach/hardware.h> + +#include <sound/soc.h> +#include <sound/soc-dapm.h> +#include <sound/pcm.h> +#include <sound/jack.h> +#include <sound/pcm_params.h> + +#include "ux500_pcm.h" +#include "ux500_msp_dai.h" +#include "../codecs/ab8500-codec.h" + +#define TX_SLOT_MONO 0x0008 +#define TX_SLOT_STEREO 0x000a +#define RX_SLOT_MONO 0x0001 +#define RX_SLOT_STEREO 0x0003 +#define TX_SLOT_8CH 0x00FF +#define RX_SLOT_8CH 0x00FF + +#define DEF_TX_SLOTS TX_SLOT_STEREO +#define DEF_RX_SLOTS RX_SLOT_MONO + +#define DRIVERMODE_NORMAL 0 +#define DRIVERMODE_CODEC_ONLY 1 + +/* Slot configuration */ +static unsigned int tx_slots = DEF_TX_SLOTS; +static unsigned int rx_slots = DEF_RX_SLOTS; + +static struct snd_kcontrol_new ux500_ab8500_ctrls[] = { + SOC_DAPM_PIN_SWITCH("Headset Left"), + SOC_DAPM_PIN_SWITCH("Headset Right"), + SOC_DAPM_PIN_SWITCH("Earpiece"), + SOC_DAPM_PIN_SWITCH("Speaker Left"), + SOC_DAPM_PIN_SWITCH("Speaker Right"), + SOC_DAPM_PIN_SWITCH("LineOut Left"), + SOC_DAPM_PIN_SWITCH("LineOut Right"), + SOC_DAPM_PIN_SWITCH("Vibra 1"), + SOC_DAPM_PIN_SWITCH("Vibra 2"), + SOC_DAPM_PIN_SWITCH("Mic 1"), + SOC_DAPM_PIN_SWITCH("Mic 2"), + SOC_DAPM_PIN_SWITCH("LineIn Left"), + SOC_DAPM_PIN_SWITCH("LineIn Right"), + SOC_DAPM_PIN_SWITCH("DMic 1"), + SOC_DAPM_PIN_SWITCH("DMic 2"), + SOC_DAPM_PIN_SWITCH("DMic 3"), + SOC_DAPM_PIN_SWITCH("DMic 4"), + SOC_DAPM_PIN_SWITCH("DMic 5"), + SOC_DAPM_PIN_SWITCH("DMic 6"), +}; + +/* ASoC */ + +void ux500_ab8500_shutdown(struct snd_pcm_substream *substream) +{ + struct snd_soc_pcm_runtime *rtd = substream->private_data; + struct device *dev = rtd->card->dev; + + dev_dbg(dev, "%s: Enter\n", __func__); + + /* Reset slots configuration to default(s) */ + if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) + tx_slots = DEF_TX_SLOTS; + else + rx_slots = DEF_RX_SLOTS; +} + +int ux500_ab8500_hw_params(struct snd_pcm_substream *substream, + struct snd_pcm_hw_params *params) +{ + struct snd_soc_pcm_runtime *rtd = substream->private_data; + struct snd_soc_dai *codec_dai = rtd->codec_dai; + struct snd_soc_dai *cpu_dai = rtd->cpu_dai; + struct device *dev = rtd->card->dev; + unsigned int fmt, fmt_if1; + int channels, ret = 0, slots, slot_width, driver_mode; + bool is_playback; + + dev_dbg(dev, "%s: Enter\n", __func__); + + dev_dbg(dev, "%s: substream->pcm->name = %s\n" + "substream->pcm->id = %s.\n" + "substream->name = %s.\n" + "substream->number = %d.\n", + __func__, + substream->pcm->name, + substream->pcm->id, + substream->name, + substream->number); + + channels = params_channels(params); + + /* Setup codec depending on driver-mode */ + driver_mode = (channels == 8) ? + DRIVERMODE_CODEC_ONLY : DRIVERMODE_NORMAL; + dev_dbg(dev, "%s: Driver-mode: %s.\n", __func__, + (driver_mode == DRIVERMODE_NORMAL) ? "NORMAL" : "CODEC_ONLY"); + + ab8500_audio_set_bit_delay(codec_dai, 1); + + if (driver_mode == DRIVERMODE_NORMAL) { + ab8500_audio_set_word_length(codec_dai, 16); + fmt = SND_SOC_DAIFMT_DSP_A | + SND_SOC_DAIFMT_CBM_CFM | + SND_SOC_DAIFMT_NB_NF | + SND_SOC_DAIFMT_CONT; + } else { + ab8500_audio_set_word_length(codec_dai, 20); + fmt = SND_SOC_DAIFMT_DSP_A | + SND_SOC_DAIFMT_CBM_CFM | + SND_SOC_DAIFMT_NB_NF | + SND_SOC_DAIFMT_GATED; + } + + ret = snd_soc_dai_set_fmt(codec_dai, fmt); + if (ret < 0) { + dev_err(dev, "%s: ERROR: snd_soc_dai_set_fmt failed " + "for codec_dai (ret = %d)!\n", __func__, ret); + return ret; + } + + ret = snd_soc_dai_set_fmt(cpu_dai, fmt); + if (ret < 0) { + dev_err(dev, "%s: ERROR: snd_soc_dai_set_fmt failed " + "for cpu_dai (ret = %d)!\n", __func__, ret); + return ret; + } + + /* Setup TDM-slots */ + + is_playback = (substream->stream == SNDRV_PCM_STREAM_PLAYBACK); + switch (channels) { + case 1: + slots = 16; + slot_width = 16; + tx_slots = (is_playback) ? TX_SLOT_MONO : 0; + rx_slots = (is_playback) ? 0 : RX_SLOT_MONO; + break; + case 2: + slots = 16; + slot_width = 16; + tx_slots = (is_playback) ? TX_SLOT_STEREO : 0; + rx_slots = (is_playback) ? 0 : RX_SLOT_STEREO; + break; + case 8: + slots = 16; + slot_width = 16; + tx_slots = (is_playback) ? TX_SLOT_8CH : 0; + rx_slots = (is_playback) ? 0 : RX_SLOT_8CH; + break; + default: + return -EINVAL; + } + + dev_dbg(dev, "%s: CPU-DAI TDM: TX=0x%04X RX=0x%04x\n", __func__, + tx_slots, rx_slots); + ret = snd_soc_dai_set_tdm_slot(cpu_dai, tx_slots, rx_slots, slots, slot_width); + if (ret) + return ret; + + dev_dbg(dev, "%s: CODEC-DAI TDM: TX=0x%04X RX=0x%04x\n", __func__, + tx_slots, rx_slots); + ret = snd_soc_dai_set_tdm_slot(codec_dai, tx_slots, rx_slots, slots, slot_width); + if (ret) + return ret; + + if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) { + dev_dbg(dev, "%s: Setup IF1 for FM-radio.\n", __func__); + fmt_if1 = SND_SOC_DAIFMT_CBM_CFM | SND_SOC_DAIFMT_I2S; + ret = ab8500_audio_setup_if1(codec_dai->codec, fmt_if1, 16, 1); + if (ret) + return ret; + } + + return 0; +} + +struct snd_soc_ops ux500_ab8500_ops[] = { + { + .hw_params = ux500_ab8500_hw_params, + .shutdown = ux500_ab8500_shutdown, + } +}; + +int ux500_ab8500_machine_init(struct snd_soc_pcm_runtime *rtd) +{ + struct snd_soc_codec *codec = rtd->codec; + struct device *dev = rtd->card->dev; + int status; + + dev_dbg(dev, "%s Enter.\n", __func__); + + /* Add controls */ + status = snd_soc_add_codec_controls(codec, ux500_ab8500_ctrls, + ARRAY_SIZE(ux500_ab8500_ctrls)); + if (status < 0) { + pr_err("%s: failed to add machine-controls (%d).\n", + __func__, status); + return status; + } + + status = snd_soc_dapm_enable_pin(&codec->dapm, "Headset Left"); + status |= snd_soc_dapm_enable_pin(&codec->dapm, "Headset Right"); + + return status; +} + diff --git a/sound/soc/ux500/ux500_ab8500.h b/sound/soc/ux500/ux500_ab8500.h new file mode 100644 index 0000000..76ec1e6 --- /dev/null +++ b/sound/soc/ux500/ux500_ab8500.h @@ -0,0 +1,21 @@ +/* + * Copyright (C) ST-Ericsson SA 2012 + * + * Author: Ola Lilja ola.o.lilja@stericsson.com + * for ST-Ericsson. + * + * License terms: + * + * 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 UX500_AB8500_H +#define UX500_AB8500_H + +extern struct snd_soc_ops ux500_ab8500_ops[]; + +int ux500_ab8500_machine_init(struct snd_soc_pcm_runtime *runtime); + +#endif