diff options
Diffstat (limited to 'sound')
| -rw-r--r-- | sound/soc/codecs/Kconfig | 4 | ||||
| -rw-r--r-- | sound/soc/codecs/Makefile | 2 | ||||
| -rw-r--r-- | sound/soc/codecs/omap-hdmi.c | 69 | ||||
| -rw-r--r-- | sound/soc/omap/Kconfig | 1 | ||||
| -rw-r--r-- | sound/soc/sh/fsi.c | 224 | ||||
| -rw-r--r-- | sound/soc/tegra/Kconfig | 10 | ||||
| -rw-r--r-- | sound/soc/tegra/Makefile | 2 | ||||
| -rw-r--r-- | sound/soc/tegra/tegra_wm8753.c | 224 |
8 files changed, 470 insertions, 66 deletions
diff --git a/sound/soc/codecs/Kconfig b/sound/soc/codecs/Kconfig index 22c686444633..1e1613a438dd 100644 --- a/sound/soc/codecs/Kconfig +++ b/sound/soc/codecs/Kconfig @@ -46,6 +46,7 @@ config SND_SOC_ALL_CODECS select SND_SOC_MAX9877 if I2C select SND_SOC_MC13783 if MFD_MC13XXX select SND_SOC_ML26124 if I2C + select SND_SOC_OMAP_HDMI_CODEC if OMAP4_DSS_HDMI select SND_SOC_PCM3008 select SND_SOC_RT5631 if I2C select SND_SOC_SGTL5000 if I2C @@ -236,6 +237,9 @@ config SND_SOC_MAX98095 config SND_SOC_MAX9850 tristate +config SND_SOC_OMAP_HDMI_CODEC + tristate + config SND_SOC_PCM3008 tristate diff --git a/sound/soc/codecs/Makefile b/sound/soc/codecs/Makefile index a9663e9c375b..fc27fec39487 100644 --- a/sound/soc/codecs/Makefile +++ b/sound/soc/codecs/Makefile @@ -33,6 +33,7 @@ snd-soc-max98095-objs := max98095.o snd-soc-max9850-objs := max9850.o snd-soc-mc13783-objs := mc13783.o snd-soc-ml26124-objs := ml26124.o +snd-soc-omap-hdmi-codec-objs := omap-hdmi.o snd-soc-pcm3008-objs := pcm3008.o snd-soc-rt5631-objs := rt5631.o snd-soc-sgtl5000-objs := sgtl5000.o @@ -143,6 +144,7 @@ obj-$(CONFIG_SND_SOC_MAX98095) += snd-soc-max98095.o obj-$(CONFIG_SND_SOC_MAX9850) += snd-soc-max9850.o obj-$(CONFIG_SND_SOC_MC13783) += snd-soc-mc13783.o obj-$(CONFIG_SND_SOC_ML26124) += snd-soc-ml26124.o +obj-$(CONFIG_SND_SOC_OMAP_HDMI_CODEC) += snd-soc-omap-hdmi-codec.o obj-$(CONFIG_SND_SOC_PCM3008) += snd-soc-pcm3008.o obj-$(CONFIG_SND_SOC_RT5631) += snd-soc-rt5631.o obj-$(CONFIG_SND_SOC_SGTL5000) += snd-soc-sgtl5000.o diff --git a/sound/soc/codecs/omap-hdmi.c b/sound/soc/codecs/omap-hdmi.c new file mode 100644 index 000000000000..1bf5c74f5f96 --- /dev/null +++ b/sound/soc/codecs/omap-hdmi.c @@ -0,0 +1,69 @@ +/* + * ALSA SoC codec driver for HDMI audio on OMAP processors. + * Copyright (C) 2012 Texas Instruments Incorporated - http://www.ti.com/ + * Author: Ricardo Neri <ricardo.neri@ti.com> + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * version 2 as published by the Free Software Foundation. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA + * 02110-1301 USA + * + */ +#include <linux/module.h> +#include <sound/soc.h> + +#define DRV_NAME "hdmi-audio-codec" + +static struct snd_soc_codec_driver omap_hdmi_codec; + +static struct snd_soc_dai_driver omap_hdmi_codec_dai = { + .name = "omap-hdmi-hifi", + .playback = { + .channels_min = 2, + .channels_max = 8, + .rates = SNDRV_PCM_RATE_32000 | + SNDRV_PCM_RATE_44100 | SNDRV_PCM_RATE_48000 | + SNDRV_PCM_RATE_88200 | SNDRV_PCM_RATE_96000 | + SNDRV_PCM_RATE_176400 | SNDRV_PCM_RATE_192000, + .formats = SNDRV_PCM_FMTBIT_S16_LE | + SNDRV_PCM_FMTBIT_S24_LE, + }, +}; + +static __devinit int omap_hdmi_codec_probe(struct platform_device *pdev) +{ + return snd_soc_register_codec(&pdev->dev, &omap_hdmi_codec, + &omap_hdmi_codec_dai, 1); +} + +static __devexit int omap_hdmi_codec_remove(struct platform_device *pdev) +{ + snd_soc_unregister_codec(&pdev->dev); + return 0; +} + +static struct platform_driver omap_hdmi_codec_driver = { + .driver = { + .name = DRV_NAME, + .owner = THIS_MODULE, + }, + + .probe = omap_hdmi_codec_probe, + .remove = __devexit_p(omap_hdmi_codec_remove), +}; + +module_platform_driver(omap_hdmi_codec_driver); + +MODULE_AUTHOR("Ricardo Neri <ricardo.neri@ti.com>"); +MODULE_DESCRIPTION("ASoC OMAP HDMI codec driver"); +MODULE_LICENSE("GPL"); +MODULE_ALIAS("platform:" DRV_NAME); diff --git a/sound/soc/omap/Kconfig b/sound/soc/omap/Kconfig index deafbfaacdbf..9ccfa5e1c11b 100644 --- a/sound/soc/omap/Kconfig +++ b/sound/soc/omap/Kconfig @@ -113,6 +113,7 @@ config SND_OMAP_SOC_OMAP4_HDMI tristate "SoC Audio support for Texas Instruments OMAP4 HDMI" depends on SND_OMAP_SOC && OMAP4_DSS_HDMI && OMAP2_DSS && ARCH_OMAP4 select SND_OMAP_SOC_HDMI + select SND_SOC_OMAP_HDMI_CODEC help Say Y if you want to add support for SoC HDMI audio on Texas Instruments OMAP4 chips diff --git a/sound/soc/sh/fsi.c b/sound/soc/sh/fsi.c index 74ed2dffbffd..7cee22515d9d 100644 --- a/sound/soc/sh/fsi.c +++ b/sound/soc/sh/fsi.c @@ -132,6 +132,25 @@ typedef int (*set_rate_func)(struct device *dev, int rate, int enable); /* + * bus options + * + * 0x000000BA + * + * A : sample widtht 16bit setting + * B : sample widtht 24bit setting + */ + +#define SHIFT_16DATA 0 +#define SHIFT_24DATA 4 + +#define PACKAGE_24BITBUS_BACK 0 +#define PACKAGE_24BITBUS_FRONT 1 +#define PACKAGE_16BITBUS_STREAM 2 + +#define BUSOP_SET(s, a) ((a) << SHIFT_ ## s ## DATA) +#define BUSOP_GET(s, a) (((a) >> SHIFT_ ## s ## DATA) & 0xF) + +/* * FSI driver use below type name for variable * * xxx_num : number of data @@ -189,6 +208,11 @@ struct fsi_stream { int oerr_num; /* + * bus options + */ + u32 bus_option; + + /* * thse are initialized by fsi_handler_init() */ struct fsi_stream_handler *handler; @@ -211,8 +235,7 @@ struct fsi_priv { struct fsi_stream playback; struct fsi_stream capture; - u32 do_fmt; - u32 di_fmt; + u32 fmt; int chan_num:16; int clk_master:1; @@ -321,6 +344,10 @@ static void _fsi_master_mask_set(struct fsi_master *master, /* * basic function */ +static int fsi_version(struct fsi_master *master) +{ + return master->core->ver; +} static struct fsi_master *fsi_get_master(struct fsi_priv *fsi) { @@ -495,6 +522,7 @@ static void fsi_stream_init(struct fsi_priv *fsi, io->period_samples = fsi_frame2sample(fsi, runtime->period_size); io->period_pos = 0; io->sample_width = samples_to_bytes(runtime, 1); + io->bus_option = 0; io->oerr_num = -1; /* ignore 1st err */ io->uerr_num = -1; /* ignore 1st err */ fsi_stream_handler_call(io, init, fsi, io); @@ -522,6 +550,7 @@ static void fsi_stream_quit(struct fsi_priv *fsi, struct fsi_stream *io) io->period_samples = 0; io->period_pos = 0; io->sample_width = 0; + io->bus_option = 0; io->oerr_num = 0; io->uerr_num = 0; spin_unlock_irqrestore(&master->lock, flags); @@ -581,6 +610,53 @@ static int fsi_stream_remove(struct fsi_priv *fsi) } /* + * format/bus/dma setting + */ +static void fsi_format_bus_setup(struct fsi_priv *fsi, struct fsi_stream *io, + u32 bus, struct device *dev) +{ + struct fsi_master *master = fsi_get_master(fsi); + int is_play = fsi_stream_is_play(fsi, io); + u32 fmt = fsi->fmt; + + if (fsi_version(master) >= 2) { + u32 dma = 0; + + /* + * FSI2 needs DMA/Bus setting + */ + switch (bus) { + case PACKAGE_24BITBUS_FRONT: + fmt |= CR_BWS_24; + dma |= VDMD_FRONT; + dev_dbg(dev, "24bit bus / package in front\n"); + break; + case PACKAGE_16BITBUS_STREAM: + fmt |= CR_BWS_16; + dma |= VDMD_STREAM; + dev_dbg(dev, "16bit bus / stream mode\n"); + break; + case PACKAGE_24BITBUS_BACK: + default: + fmt |= CR_BWS_24; + dma |= VDMD_BACK; + dev_dbg(dev, "24bit bus / package in back\n"); + break; + } + + if (is_play) + fsi_reg_write(fsi, OUT_DMAC, dma); + else + fsi_reg_write(fsi, IN_DMAC, dma); + } + + if (is_play) + fsi_reg_write(fsi, DO_FMT, fmt); + else + fsi_reg_write(fsi, DI_FMT, fmt); +} + +/* * irq function */ @@ -629,11 +705,6 @@ static void fsi_spdif_clk_ctrl(struct fsi_priv *fsi, int enable) struct fsi_master *master = fsi_get_master(fsi); u32 mask, val; - if (master->core->ver < 2) { - pr_err("fsi: register access err (%s)\n", __func__); - return; - } - mask = BP | SE; val = enable ? mask : 0; @@ -648,9 +719,7 @@ static void fsi_spdif_clk_ctrl(struct fsi_priv *fsi, int enable) static int fsi_set_master_clk(struct device *dev, struct fsi_priv *fsi, long rate, int enable) { - struct fsi_master *master = fsi_get_master(fsi); set_rate_func set_rate = fsi_get_info_set_rate(fsi); - int fsi_ver = master->core->ver; int ret; if (!set_rate) @@ -682,10 +751,7 @@ static int fsi_set_master_clk(struct device *dev, struct fsi_priv *fsi, data |= (0x3 << 12); break; case SH_FSI_ACKMD_32: - if (fsi_ver < 2) - dev_err(dev, "unsupported ACKMD\n"); - else - data |= (0x4 << 12); + data |= (0x4 << 12); break; } @@ -708,10 +774,7 @@ static int fsi_set_master_clk(struct device *dev, struct fsi_priv *fsi, data |= (0x4 << 8); break; case SH_FSI_BPFMD_16: - if (fsi_ver < 2) - dev_err(dev, "unsupported ACKMD\n"); - else - data |= (0x7 << 8); + data |= (0x7 << 8); break; } @@ -728,11 +791,26 @@ static int fsi_set_master_clk(struct device *dev, struct fsi_priv *fsi, */ static void fsi_pio_push16(struct fsi_priv *fsi, u8 *_buf, int samples) { - u16 *buf = (u16 *)_buf; + u32 enable_stream = fsi_get_info_flags(fsi) & SH_FSI_ENABLE_STREAM_MODE; int i; - for (i = 0; i < samples; i++) - fsi_reg_write(fsi, DODT, ((u32)*(buf + i) << 8)); + if (enable_stream) { + /* + * stream mode + * see + * fsi_pio_push_init() + */ + u32 *buf = (u32 *)_buf; + + for (i = 0; i < samples / 2; i++) + fsi_reg_write(fsi, DODT, buf[i]); + } else { + /* normal mode */ + u16 *buf = (u16 *)_buf; + + for (i = 0; i < samples; i++) + fsi_reg_write(fsi, DODT, ((u32)*(buf + i) << 8)); + } } static void fsi_pio_pop16(struct fsi_priv *fsi, u8 *_buf, int samples) @@ -872,12 +950,44 @@ static void fsi_pio_start_stop(struct fsi_priv *fsi, struct fsi_stream *io, fsi_master_mask_set(master, CLK_RST, clk, (enable) ? clk : 0); } +static int fsi_pio_push_init(struct fsi_priv *fsi, struct fsi_stream *io) +{ + u32 enable_stream = fsi_get_info_flags(fsi) & SH_FSI_ENABLE_STREAM_MODE; + + /* + * we can use 16bit stream mode + * when "playback" and "16bit data" + * and platform allows "stream mode" + * see + * fsi_pio_push16() + */ + if (enable_stream) + io->bus_option = BUSOP_SET(24, PACKAGE_24BITBUS_BACK) | + BUSOP_SET(16, PACKAGE_16BITBUS_STREAM); + else + io->bus_option = BUSOP_SET(24, PACKAGE_24BITBUS_BACK) | + BUSOP_SET(16, PACKAGE_24BITBUS_BACK); + return 0; +} + +static int fsi_pio_pop_init(struct fsi_priv *fsi, struct fsi_stream *io) +{ + /* + * always 24bit bus, package back when "capture" + */ + io->bus_option = BUSOP_SET(24, PACKAGE_24BITBUS_BACK) | + BUSOP_SET(16, PACKAGE_24BITBUS_BACK); + return 0; +} + static struct fsi_stream_handler fsi_pio_push_handler = { + .init = fsi_pio_push_init, .transfer = fsi_pio_push, .start_stop = fsi_pio_start_stop, }; static struct fsi_stream_handler fsi_pio_pop_handler = { + .init = fsi_pio_pop_init, .transfer = fsi_pio_pop, .start_stop = fsi_pio_start_stop, }; @@ -919,6 +1029,13 @@ static int fsi_dma_init(struct fsi_priv *fsi, struct fsi_stream *io) enum dma_data_direction dir = fsi_stream_is_play(fsi, io) ? DMA_TO_DEVICE : DMA_FROM_DEVICE; + /* + * 24bit data : 24bit bus / package in back + * 16bit data : 16bit bus / stream mode + */ + io->bus_option = BUSOP_SET(24, PACKAGE_24BITBUS_BACK) | + BUSOP_SET(16, PACKAGE_16BITBUS_STREAM); + io->dma = dma_map_single(dai->dev, runtime->dma_area, snd_pcm_lib_buffer_bytes(io->substream), dir); return 0; @@ -1055,25 +1172,9 @@ static int fsi_dma_transfer(struct fsi_priv *fsi, struct fsi_stream *io) static void fsi_dma_push_start_stop(struct fsi_priv *fsi, struct fsi_stream *io, int start) { - u32 bws; - u32 dma; + u32 enable = start ? DMA_ON : 0; - switch (io->sample_width * start) { - case 2: - bws = CR_BWS_16; - dma = VDMD_STREAM | DMA_ON; - break; - case 4: - bws = CR_BWS_24; - dma = VDMD_BACK | DMA_ON; - break; - default: - bws = 0; - dma = 0; - } - - fsi_reg_mask_set(fsi, DO_FMT, CR_BWS_MASK, bws); - fsi_reg_write(fsi, OUT_DMAC, dma); + fsi_reg_mask_set(fsi, OUT_DMAC, DMA_ON, enable); } static int fsi_dma_probe(struct fsi_priv *fsi, struct fsi_stream *io) @@ -1176,8 +1277,6 @@ static int fsi_hw_startup(struct fsi_priv *fsi, struct fsi_stream *io, struct device *dev) { - struct fsi_master *master = fsi_get_master(fsi); - int fsi_ver = master->core->ver; u32 flags = fsi_get_info_flags(fsi); u32 data = 0; @@ -1200,10 +1299,6 @@ static int fsi_hw_startup(struct fsi_priv *fsi, fsi_reg_write(fsi, CKG2, data); - /* set format */ - fsi_reg_write(fsi, DO_FMT, fsi->do_fmt); - fsi_reg_write(fsi, DI_FMT, fsi->di_fmt); - /* spdif ? */ if (fsi_is_spdif(fsi)) { fsi_spdif_clk_ctrl(fsi, 1); @@ -1211,15 +1306,18 @@ static int fsi_hw_startup(struct fsi_priv *fsi, } /* - * FIXME - * - * FSI driver assumed that data package is in-back. - * FSI2 chip can select it. + * get bus settings */ - if (fsi_ver >= 2) { - fsi_reg_write(fsi, OUT_DMAC, (1 << 4)); - fsi_reg_write(fsi, IN_DMAC, (1 << 4)); + data = 0; + switch (io->sample_width) { + case 2: + data = BUSOP_GET(16, io->bus_option); + break; + case 4: + data = BUSOP_GET(24, io->bus_option); + break; } + fsi_format_bus_setup(fsi, io, data, dev); /* irq clear */ fsi_irq_disable(fsi, io); @@ -1243,7 +1341,9 @@ static int fsi_dai_startup(struct snd_pcm_substream *substream, { struct fsi_priv *fsi = fsi_get_priv(substream); - return fsi_hw_startup(fsi, fsi_stream_get(fsi, substream), dai->dev); + fsi->rate = 0; + + return 0; } static void fsi_dai_shutdown(struct snd_pcm_substream *substream, @@ -1251,7 +1351,6 @@ static void fsi_dai_shutdown(struct snd_pcm_substream *substream, { struct fsi_priv *fsi = fsi_get_priv(substream); - fsi_hw_shutdown(fsi, dai->dev); fsi->rate = 0; } @@ -1265,11 +1364,13 @@ static int fsi_dai_trigger(struct snd_pcm_substream *substream, int cmd, switch (cmd) { case SNDRV_PCM_TRIGGER_START: fsi_stream_init(fsi, io, substream); + fsi_hw_startup(fsi, io, dai->dev); ret = fsi_stream_transfer(io); if (0 == ret) fsi_stream_start(fsi, io); break; case SNDRV_PCM_TRIGGER_STOP: + fsi_hw_shutdown(fsi, dai->dev); fsi_stream_stop(fsi, io); fsi_stream_quit(fsi, io); break; @@ -1280,42 +1381,33 @@ static int fsi_dai_trigger(struct snd_pcm_substream *substream, int cmd, static int fsi_set_fmt_dai(struct fsi_priv *fsi, unsigned int fmt) { - u32 data = 0; - switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) { case SND_SOC_DAIFMT_I2S: - data = CR_I2S; + fsi->fmt = CR_I2S; fsi->chan_num = 2; break; case SND_SOC_DAIFMT_LEFT_J: - data = CR_PCM; + fsi->fmt = CR_PCM; fsi->chan_num = 2; break; default: return -EINVAL; } - fsi->do_fmt = data; - fsi->di_fmt = data; - return 0; } static int fsi_set_fmt_spdif(struct fsi_priv *fsi) { struct fsi_master *master = fsi_get_master(fsi); - u32 data = 0; - if (master->core->ver < 2) + if (fsi_version(master) < 2) return -EINVAL; - data = CR_BWS_16 | CR_DTMD_SPDIF_PCM | CR_PCM; + fsi->fmt = CR_DTMD_SPDIF_PCM | CR_PCM; fsi->chan_num = 2; fsi->spdif = 1; - fsi->do_fmt = data; - fsi->di_fmt = data; - return 0; } diff --git a/sound/soc/tegra/Kconfig b/sound/soc/tegra/Kconfig index 5331c61faf01..c1c8e955f4d3 100644 --- a/sound/soc/tegra/Kconfig +++ b/sound/soc/tegra/Kconfig @@ -48,6 +48,16 @@ config SND_SOC_TEGRA30_I2S Tegra30 I2S interface. You will also need to select the individual machine drivers to support below. +config SND_SOC_TEGRA_WM8753 + tristate "SoC Audio support for Tegra boards using a WM8753 codec" + depends on SND_SOC_TEGRA && I2C + select SND_SOC_TEGRA20_I2S if ARCH_TEGRA_2x_SOC + select SND_SOC_TEGRA30_I2S if ARCH_TEGRA_3x_SOC + select SND_SOC_WM8753 + help + Say Y or M here if you want to add support for SoC audio on Tegra + boards using the WM8753 codec, such as Whistler. + config MACH_HAS_SND_SOC_TEGRA_WM8903 bool help diff --git a/sound/soc/tegra/Makefile b/sound/soc/tegra/Makefile index 98704b48b62a..391e78a34c06 100644 --- a/sound/soc/tegra/Makefile +++ b/sound/soc/tegra/Makefile @@ -16,10 +16,12 @@ obj-$(CONFIG_SND_SOC_TEGRA30_AHUB) += snd-soc-tegra30-ahub.o obj-$(CONFIG_SND_SOC_TEGRA30_I2S) += snd-soc-tegra30-i2s.o # Tegra machine Support +snd-soc-tegra-wm8753-objs := tegra_wm8753.o snd-soc-tegra-wm8903-objs := tegra_wm8903.o snd-soc-tegra-trimslice-objs := trimslice.o snd-soc-tegra-alc5632-objs := tegra_alc5632.o +obj-$(CONFIG_SND_SOC_TEGRA_WM8753) += snd-soc-tegra-wm8753.o obj-$(CONFIG_SND_SOC_TEGRA_WM8903) += snd-soc-tegra-wm8903.o obj-$(CONFIG_SND_SOC_TEGRA_TRIMSLICE) += snd-soc-tegra-trimslice.o obj-$(CONFIG_SND_SOC_TEGRA_ALC5632) += snd-soc-tegra-alc5632.o diff --git a/sound/soc/tegra/tegra_wm8753.c b/sound/soc/tegra/tegra_wm8753.c new file mode 100644 index 000000000000..4e77026807a2 --- /dev/null +++ b/sound/soc/tegra/tegra_wm8753.c @@ -0,0 +1,224 @@ +/* + * tegra_wm8753.c - Tegra machine ASoC driver for boards using WM8753 codec. + * + * Author: Stephen Warren <swarren@nvidia.com> + * Copyright (C) 2010-2012 - NVIDIA, Inc. + * + * Based on code copyright/by: + * + * (c) 2009, 2010 Nvidia Graphics Pvt. Ltd. + * + * Copyright 2007 Wolfson Microelectronics PLC. + * Author: Graeme Gregory + * graeme.gregory@wolfsonmicro.com or linux@wolfsonmicro.com + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * version 2 as published by the Free Software Foundation. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA + * 02110-1301 USA + * + */ + +#include <asm/mach-types.h> + +#include <linux/module.h> +#include <linux/platform_device.h> +#include <linux/slab.h> +#include <linux/gpio.h> +#include <linux/of_gpio.h> + +#include <sound/core.h> +#include <sound/jack.h> +#include <sound/pcm.h> +#include <sound/pcm_params.h> +#include <sound/soc.h> + +#include "../codecs/wm8753.h" + +#include "tegra_asoc_utils.h" + +#define DRV_NAME "tegra-snd-wm8753" + +struct tegra_wm8753 { + struct tegra_asoc_utils_data util_data; +}; + +static int tegra_wm8753_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_codec *codec = rtd->codec; + struct snd_soc_card *card = codec->card; + struct tegra_wm8753 *machine = snd_soc_card_get_drvdata(card); + int srate, mclk; + int err; + + srate = params_rate(params); + switch (srate) { + case 11025: + case 22050: + case 44100: + case 88200: + mclk = 11289600; + break; + default: + mclk = 12288000; + break; + } + + err = tegra_asoc_utils_set_rate(&machine->util_data, srate, mclk); + if (err < 0) { + dev_err(card->dev, "Can't configure clocks\n"); + return err; + } + + err = snd_soc_dai_set_sysclk(codec_dai, WM8753_MCLK, mclk, + SND_SOC_CLOCK_IN); + if (err < 0) { + dev_err(card->dev, "codec_dai clock not set\n"); + return err; + } + + return 0; +} + +static struct snd_soc_ops tegra_wm8753_ops = { + .hw_params = tegra_wm8753_hw_params, +}; + +static const struct snd_soc_dapm_widget tegra_wm8753_dapm_widgets[] = { + SND_SOC_DAPM_HP("Headphone Jack", NULL), + SND_SOC_DAPM_MIC("Mic Jack", NULL), +}; + +static struct snd_soc_dai_link tegra_wm8753_dai = { + .name = "WM8753", + .stream_name = "WM8753 PCM", + .codec_dai_name = "wm8753-hifi", + .ops = &tegra_wm8753_ops, + .dai_fmt = SND_SOC_DAIFMT_I2S | + SND_SOC_DAIFMT_NB_NF | + SND_SOC_DAIFMT_CBS_CFS, +}; + +static struct snd_soc_card snd_soc_tegra_wm8753 = { + .name = "tegra-wm8753", + .owner = THIS_MODULE, + .dai_link = &tegra_wm8753_dai, + .num_links = 1, + + .dapm_widgets = tegra_wm8753_dapm_widgets, + .num_dapm_widgets = ARRAY_SIZE(tegra_wm8753_dapm_widgets), + .fully_routed = true, +}; + +static __devinit int tegra_wm8753_driver_probe(struct platform_device *pdev) +{ + struct snd_soc_card *card = &snd_soc_tegra_wm8753; + struct tegra_wm8753 *machine; + int ret; + + machine = devm_kzalloc(&pdev->dev, sizeof(struct tegra_wm8753), + GFP_KERNEL); + if (!machine) { + dev_err(&pdev->dev, "Can't allocate tegra_wm8753 struct\n"); + ret = -ENOMEM; + goto err; + } + + card->dev = &pdev->dev; + platform_set_drvdata(pdev, card); + snd_soc_card_set_drvdata(card, machine); + + ret = snd_soc_of_parse_card_name(card, "nvidia,model"); + if (ret) + goto err; + + ret = snd_soc_of_parse_audio_routing(card, "nvidia,audio-routing"); + if (ret) + goto err; + + tegra_wm8753_dai.codec_of_node = of_parse_phandle( + pdev->dev.of_node, "nvidia,audio-codec", 0); + if (!tegra_wm8753_dai.codec_of_node) { + dev_err(&pdev->dev, + "Property 'nvidia,audio-codec' missing or invalid\n"); + ret = -EINVAL; + goto err; + } + + tegra_wm8753_dai.cpu_dai_of_node = of_parse_phandle( + pdev->dev.of_node, "nvidia,i2s-controller", 0); + if (!tegra_wm8753_dai.cpu_dai_of_node) { + dev_err(&pdev->dev, + "Property 'nvidia,i2s-controller' missing or invalid\n"); + ret = -EINVAL; + goto err; + } + + tegra_wm8753_dai.platform_of_node = + tegra_wm8753_dai.cpu_dai_of_node; + + ret = tegra_asoc_utils_init(&machine->util_data, &pdev->dev); + if (ret) + goto err; + + ret = snd_soc_register_card(card); + if (ret) { + dev_err(&pdev->dev, "snd_soc_register_card failed (%d)\n", + ret); + goto err_fini_utils; + } + + return 0; + +err_fini_utils: + tegra_asoc_utils_fini(&machine->util_data); +err: + return ret; +} + +static int __devexit tegra_wm8753_driver_remove(struct platform_device *pdev) +{ + struct snd_soc_card *card = platform_get_drvdata(pdev); + struct tegra_wm8753 *machine = snd_soc_card_get_drvdata(card); + + snd_soc_unregister_card(card); + + tegra_asoc_utils_fini(&machine->util_data); + + return 0; +} + +static const struct of_device_id tegra_wm8753_of_match[] __devinitconst = { + { .compatible = "nvidia,tegra-audio-wm8753", }, + {}, +}; + +static struct platform_driver tegra_wm8753_driver = { + .driver = { + .name = DRV_NAME, + .owner = THIS_MODULE, + .pm = &snd_soc_pm_ops, + .of_match_table = tegra_wm8753_of_match, + }, + .probe = tegra_wm8753_driver_probe, + .remove = __devexit_p(tegra_wm8753_driver_remove), +}; +module_platform_driver(tegra_wm8753_driver); + +MODULE_AUTHOR("Stephen Warren <swarren@nvidia.com>"); +MODULE_DESCRIPTION("Tegra+WM8753 machine ASoC driver"); +MODULE_LICENSE("GPL"); +MODULE_ALIAS("platform:" DRV_NAME); +MODULE_DEVICE_TABLE(of, tegra_wm8753_of_match); |