diff options
Diffstat (limited to 'ANDROID_3.4.5/sound/soc/mxs')
| -rw-r--r-- | ANDROID_3.4.5/sound/soc/mxs/Kconfig | 20 | ||||
| -rw-r--r-- | ANDROID_3.4.5/sound/soc/mxs/Makefile | 10 | ||||
| -rw-r--r-- | ANDROID_3.4.5/sound/soc/mxs/mxs-pcm.c | 247 | ||||
| -rw-r--r-- | ANDROID_3.4.5/sound/soc/mxs/mxs-pcm.h | 27 | ||||
| -rw-r--r-- | ANDROID_3.4.5/sound/soc/mxs/mxs-saif.c | 762 | ||||
| -rw-r--r-- | ANDROID_3.4.5/sound/soc/mxs/mxs-saif.h | 134 | ||||
| -rw-r--r-- | ANDROID_3.4.5/sound/soc/mxs/mxs-sgtl5000.c | 165 |
7 files changed, 0 insertions, 1365 deletions
diff --git a/ANDROID_3.4.5/sound/soc/mxs/Kconfig b/ANDROID_3.4.5/sound/soc/mxs/Kconfig deleted file mode 100644 index 99a997f1..00000000 --- a/ANDROID_3.4.5/sound/soc/mxs/Kconfig +++ /dev/null @@ -1,20 +0,0 @@ -menuconfig SND_MXS_SOC - tristate "SoC Audio for Freescale MXS CPUs" - depends on ARCH_MXS - select SND_SOC_DMAENGINE_PCM - help - Say Y or M if you want to add support for codecs attached to - the MXS SAIF interface. - - -if SND_MXS_SOC - -config SND_SOC_MXS_SGTL5000 - tristate "SoC Audio support for i.MX boards with sgtl5000" - depends on I2C - select SND_SOC_SGTL5000 - help - Say Y if you want to add support for SoC audio on an MXS board with - a sgtl5000 codec. - -endif # SND_MXS_SOC diff --git a/ANDROID_3.4.5/sound/soc/mxs/Makefile b/ANDROID_3.4.5/sound/soc/mxs/Makefile deleted file mode 100644 index 565b5b51..00000000 --- a/ANDROID_3.4.5/sound/soc/mxs/Makefile +++ /dev/null @@ -1,10 +0,0 @@ -# MXS Platform Support -snd-soc-mxs-objs := mxs-saif.o -snd-soc-mxs-pcm-objs := mxs-pcm.o - -obj-$(CONFIG_SND_MXS_SOC) += snd-soc-mxs.o snd-soc-mxs-pcm.o - -# i.MX Machine Support -snd-soc-mxs-sgtl5000-objs := mxs-sgtl5000.o - -obj-$(CONFIG_SND_SOC_MXS_SGTL5000) += snd-soc-mxs-sgtl5000.o diff --git a/ANDROID_3.4.5/sound/soc/mxs/mxs-pcm.c b/ANDROID_3.4.5/sound/soc/mxs/mxs-pcm.c deleted file mode 100644 index e373fbbc..00000000 --- a/ANDROID_3.4.5/sound/soc/mxs/mxs-pcm.c +++ /dev/null @@ -1,247 +0,0 @@ -/* - * Copyright (C) 2011 Freescale Semiconductor, Inc. All Rights Reserved. - * - * Based on sound/soc/imx/imx-pcm-dma-mx2.c - * - * 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., - * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. - */ - -#include <linux/clk.h> -#include <linux/delay.h> -#include <linux/device.h> -#include <linux/dma-mapping.h> -#include <linux/init.h> -#include <linux/interrupt.h> -#include <linux/module.h> -#include <linux/platform_device.h> -#include <linux/slab.h> -#include <linux/dmaengine.h> -#include <linux/fsl/mxs-dma.h> - -#include <sound/core.h> -#include <sound/initval.h> -#include <sound/pcm.h> -#include <sound/pcm_params.h> -#include <sound/soc.h> -#include <sound/dmaengine_pcm.h> - -#include "mxs-pcm.h" - -struct mxs_pcm_dma_data { - struct mxs_dma_data dma_data; - struct mxs_pcm_dma_params *dma_params; -}; - -static struct snd_pcm_hardware snd_mxs_hardware = { - .info = SNDRV_PCM_INFO_MMAP | - SNDRV_PCM_INFO_MMAP_VALID | - SNDRV_PCM_INFO_PAUSE | - SNDRV_PCM_INFO_RESUME | - SNDRV_PCM_INFO_INTERLEAVED, - .formats = SNDRV_PCM_FMTBIT_S16_LE | - SNDRV_PCM_FMTBIT_S20_3LE | - SNDRV_PCM_FMTBIT_S24_LE, - .channels_min = 2, - .channels_max = 2, - .period_bytes_min = 32, - .period_bytes_max = 8192, - .periods_min = 1, - .periods_max = 52, - .buffer_bytes_max = 64 * 1024, - .fifo_size = 32, - -}; - -static bool filter(struct dma_chan *chan, void *param) -{ - struct mxs_pcm_dma_data *pcm_dma_data = param; - struct mxs_pcm_dma_params *dma_params = pcm_dma_data->dma_params; - - if (!mxs_dma_is_apbx(chan)) - return false; - - if (chan->chan_id != dma_params->chan_num) - return false; - - chan->private = &pcm_dma_data->dma_data; - - return true; -} - -static int snd_mxs_pcm_hw_params(struct snd_pcm_substream *substream, - struct snd_pcm_hw_params *params) -{ - snd_pcm_set_runtime_buffer(substream, &substream->dma_buffer); - - return 0; -} - -static int snd_mxs_open(struct snd_pcm_substream *substream) -{ - struct snd_soc_pcm_runtime *rtd = substream->private_data; - struct mxs_pcm_dma_data *pcm_dma_data; - int ret; - - pcm_dma_data = kzalloc(sizeof(*pcm_dma_data), GFP_KERNEL); - if (pcm_dma_data == NULL) - return -ENOMEM; - - pcm_dma_data->dma_params = snd_soc_dai_get_dma_data(rtd->cpu_dai, substream); - pcm_dma_data->dma_data.chan_irq = pcm_dma_data->dma_params->chan_irq; - - ret = snd_dmaengine_pcm_open(substream, filter, pcm_dma_data); - if (ret) { - kfree(pcm_dma_data); - return ret; - } - - snd_soc_set_runtime_hwparams(substream, &snd_mxs_hardware); - - snd_dmaengine_pcm_set_data(substream, pcm_dma_data); - - return 0; -} - -static int snd_mxs_close(struct snd_pcm_substream *substream) -{ - struct mxs_pcm_dma_data *pcm_dma_data = snd_dmaengine_pcm_get_data(substream); - - snd_dmaengine_pcm_close(substream); - kfree(pcm_dma_data); - - return 0; -} - -static int snd_mxs_pcm_mmap(struct snd_pcm_substream *substream, - struct vm_area_struct *vma) -{ - struct snd_pcm_runtime *runtime = substream->runtime; - - return dma_mmap_writecombine(substream->pcm->card->dev, vma, - runtime->dma_area, - runtime->dma_addr, - runtime->dma_bytes); -} - -static struct snd_pcm_ops mxs_pcm_ops = { - .open = snd_mxs_open, - .close = snd_mxs_close, - .ioctl = snd_pcm_lib_ioctl, - .hw_params = snd_mxs_pcm_hw_params, - .trigger = snd_dmaengine_pcm_trigger, - .pointer = snd_dmaengine_pcm_pointer, - .mmap = snd_mxs_pcm_mmap, -}; - -static int mxs_pcm_preallocate_dma_buffer(struct snd_pcm *pcm, int stream) -{ - struct snd_pcm_substream *substream = pcm->streams[stream].substream; - struct snd_dma_buffer *buf = &substream->dma_buffer; - size_t size = snd_mxs_hardware.buffer_bytes_max; - - buf->dev.type = SNDRV_DMA_TYPE_DEV; - buf->dev.dev = pcm->card->dev; - buf->private_data = NULL; - buf->area = dma_alloc_writecombine(pcm->card->dev, size, - &buf->addr, GFP_KERNEL); - if (!buf->area) - return -ENOMEM; - buf->bytes = size; - - return 0; -} - -static u64 mxs_pcm_dmamask = DMA_BIT_MASK(32); -static int mxs_pcm_new(struct snd_soc_pcm_runtime *rtd) -{ - struct snd_card *card = rtd->card->snd_card; - struct snd_pcm *pcm = rtd->pcm; - int ret = 0; - - if (!card->dev->dma_mask) - card->dev->dma_mask = &mxs_pcm_dmamask; - if (!card->dev->coherent_dma_mask) - card->dev->coherent_dma_mask = DMA_BIT_MASK(32); - - if (pcm->streams[SNDRV_PCM_STREAM_PLAYBACK].substream) { - ret = mxs_pcm_preallocate_dma_buffer(pcm, - SNDRV_PCM_STREAM_PLAYBACK); - if (ret) - goto out; - } - - if (pcm->streams[SNDRV_PCM_STREAM_CAPTURE].substream) { - ret = mxs_pcm_preallocate_dma_buffer(pcm, - SNDRV_PCM_STREAM_CAPTURE); - if (ret) - goto out; - } - -out: - return ret; -} - -static void mxs_pcm_free(struct snd_pcm *pcm) -{ - struct snd_pcm_substream *substream; - struct snd_dma_buffer *buf; - int stream; - - for (stream = 0; stream < 2; stream++) { - substream = pcm->streams[stream].substream; - if (!substream) - continue; - - buf = &substream->dma_buffer; - if (!buf->area) - continue; - - dma_free_writecombine(pcm->card->dev, buf->bytes, - buf->area, buf->addr); - buf->area = NULL; - } -} - -static struct snd_soc_platform_driver mxs_soc_platform = { - .ops = &mxs_pcm_ops, - .pcm_new = mxs_pcm_new, - .pcm_free = mxs_pcm_free, -}; - -static int __devinit mxs_soc_platform_probe(struct platform_device *pdev) -{ - return snd_soc_register_platform(&pdev->dev, &mxs_soc_platform); -} - -static int __devexit mxs_soc_platform_remove(struct platform_device *pdev) -{ - snd_soc_unregister_platform(&pdev->dev); - - return 0; -} - -static struct platform_driver mxs_pcm_driver = { - .driver = { - .name = "mxs-pcm-audio", - .owner = THIS_MODULE, - }, - .probe = mxs_soc_platform_probe, - .remove = __devexit_p(mxs_soc_platform_remove), -}; - -module_platform_driver(mxs_pcm_driver); - -MODULE_LICENSE("GPL"); -MODULE_ALIAS("platform:mxs-pcm-audio"); diff --git a/ANDROID_3.4.5/sound/soc/mxs/mxs-pcm.h b/ANDROID_3.4.5/sound/soc/mxs/mxs-pcm.h deleted file mode 100644 index 5f01a912..00000000 --- a/ANDROID_3.4.5/sound/soc/mxs/mxs-pcm.h +++ /dev/null @@ -1,27 +0,0 @@ -/* - * Copyright (C) 2011 Freescale Semiconductor, Inc. All Rights Reserved. - * - * 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., - * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. - */ - -#ifndef _MXS_PCM_H -#define _MXS_PCM_H - -struct mxs_pcm_dma_params { - int chan_irq; - int chan_num; -}; - -#endif diff --git a/ANDROID_3.4.5/sound/soc/mxs/mxs-saif.c b/ANDROID_3.4.5/sound/soc/mxs/mxs-saif.c deleted file mode 100644 index 53f4fd8f..00000000 --- a/ANDROID_3.4.5/sound/soc/mxs/mxs-saif.c +++ /dev/null @@ -1,762 +0,0 @@ -/* - * Copyright 2011 Freescale Semiconductor, Inc. - * - * 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., - * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. - */ - -#include <linux/module.h> -#include <linux/init.h> -#include <linux/platform_device.h> -#include <linux/slab.h> -#include <linux/dma-mapping.h> -#include <linux/clk.h> -#include <linux/delay.h> -#include <linux/time.h> -#include <linux/fsl/mxs-dma.h> -#include <sound/core.h> -#include <sound/pcm.h> -#include <sound/pcm_params.h> -#include <sound/soc.h> -#include <sound/saif.h> -#include <asm/mach-types.h> -#include <mach/hardware.h> -#include <mach/mxs.h> - -#include "mxs-saif.h" - -static struct mxs_saif *mxs_saif[2]; - -/* - * SAIF is a little different with other normal SOC DAIs on clock using. - * - * For MXS, two SAIF modules are instantiated on-chip. - * Each SAIF has a set of clock pins and can be operating in master - * mode simultaneously if they are connected to different off-chip codecs. - * Also, one of the two SAIFs can master or drive the clock pins while the - * other SAIF, in slave mode, receives clocking from the master SAIF. - * This also means that both SAIFs must operate at the same sample rate. - * - * We abstract this as each saif has a master, the master could be - * himself or other saifs. In the generic saif driver, saif does not need - * to know the different clkmux. Saif only needs to know who is his master - * and operating his master to generate the proper clock rate for him. - * The master id is provided in mach-specific layer according to different - * clkmux setting. - */ - -static int mxs_saif_set_dai_sysclk(struct snd_soc_dai *cpu_dai, - int clk_id, unsigned int freq, int dir) -{ - struct mxs_saif *saif = snd_soc_dai_get_drvdata(cpu_dai); - - switch (clk_id) { - case MXS_SAIF_MCLK: - saif->mclk = freq; - break; - default: - return -EINVAL; - } - return 0; -} - -/* - * Since SAIF may work on EXTMASTER mode, IOW, it's working BITCLK&LRCLK - * is provided by other SAIF, we provide a interface here to get its master - * from its master_id. - * Note that the master could be himself. - */ -static inline struct mxs_saif *mxs_saif_get_master(struct mxs_saif * saif) -{ - return mxs_saif[saif->master_id]; -} - -/* - * Set SAIF clock and MCLK - */ -static int mxs_saif_set_clk(struct mxs_saif *saif, - unsigned int mclk, - unsigned int rate) -{ - u32 scr; - int ret; - struct mxs_saif *master_saif; - - dev_dbg(saif->dev, "mclk %d rate %d\n", mclk, rate); - - /* Set master saif to generate proper clock */ - master_saif = mxs_saif_get_master(saif); - if (!master_saif) - return -EINVAL; - - dev_dbg(saif->dev, "master saif%d\n", master_saif->id); - - /* Checking if can playback and capture simutaneously */ - if (master_saif->ongoing && rate != master_saif->cur_rate) { - dev_err(saif->dev, - "can not change clock, master saif%d(rate %d) is ongoing\n", - master_saif->id, master_saif->cur_rate); - return -EINVAL; - } - - scr = __raw_readl(master_saif->base + SAIF_CTRL); - scr &= ~BM_SAIF_CTRL_BITCLK_MULT_RATE; - scr &= ~BM_SAIF_CTRL_BITCLK_BASE_RATE; - - /* - * Set SAIF clock - * - * The SAIF clock should be either 384*fs or 512*fs. - * If MCLK is used, the SAIF clk ratio need to match mclk ratio. - * For 32x mclk, set saif clk as 512*fs. - * For 48x mclk, set saif clk as 384*fs. - * - * If MCLK is not used, we just set saif clk to 512*fs. - */ - clk_prepare_enable(master_saif->clk); - - if (master_saif->mclk_in_use) { - if (mclk % 32 == 0) { - scr &= ~BM_SAIF_CTRL_BITCLK_BASE_RATE; - ret = clk_set_rate(master_saif->clk, 512 * rate); - } else if (mclk % 48 == 0) { - scr |= BM_SAIF_CTRL_BITCLK_BASE_RATE; - ret = clk_set_rate(master_saif->clk, 384 * rate); - } else { - /* SAIF MCLK should be either 32x or 48x */ - clk_disable_unprepare(master_saif->clk); - return -EINVAL; - } - } else { - ret = clk_set_rate(master_saif->clk, 512 * rate); - scr &= ~BM_SAIF_CTRL_BITCLK_BASE_RATE; - } - - clk_disable_unprepare(master_saif->clk); - - if (ret) - return ret; - - master_saif->cur_rate = rate; - - if (!master_saif->mclk_in_use) { - __raw_writel(scr, master_saif->base + SAIF_CTRL); - return 0; - } - - /* - * Program the over-sample rate for MCLK output - * - * The available MCLK range is 32x, 48x... 512x. The rate - * could be from 8kHz to 192kH. - */ - switch (mclk / rate) { - case 32: - scr |= BF_SAIF_CTRL_BITCLK_MULT_RATE(4); - break; - case 64: - scr |= BF_SAIF_CTRL_BITCLK_MULT_RATE(3); - break; - case 128: - scr |= BF_SAIF_CTRL_BITCLK_MULT_RATE(2); - break; - case 256: - scr |= BF_SAIF_CTRL_BITCLK_MULT_RATE(1); - break; - case 512: - scr |= BF_SAIF_CTRL_BITCLK_MULT_RATE(0); - break; - case 48: - scr |= BF_SAIF_CTRL_BITCLK_MULT_RATE(3); - break; - case 96: - scr |= BF_SAIF_CTRL_BITCLK_MULT_RATE(2); - break; - case 192: - scr |= BF_SAIF_CTRL_BITCLK_MULT_RATE(1); - break; - case 384: - scr |= BF_SAIF_CTRL_BITCLK_MULT_RATE(0); - break; - default: - return -EINVAL; - } - - __raw_writel(scr, master_saif->base + SAIF_CTRL); - - return 0; -} - -/* - * Put and disable MCLK. - */ -int mxs_saif_put_mclk(unsigned int saif_id) -{ - struct mxs_saif *saif = mxs_saif[saif_id]; - u32 stat; - - if (!saif) - return -EINVAL; - - stat = __raw_readl(saif->base + SAIF_STAT); - if (stat & BM_SAIF_STAT_BUSY) { - dev_err(saif->dev, "error: busy\n"); - return -EBUSY; - } - - clk_disable_unprepare(saif->clk); - - /* disable MCLK output */ - __raw_writel(BM_SAIF_CTRL_CLKGATE, - saif->base + SAIF_CTRL + MXS_SET_ADDR); - __raw_writel(BM_SAIF_CTRL_RUN, - saif->base + SAIF_CTRL + MXS_CLR_ADDR); - - saif->mclk_in_use = 0; - return 0; -} - -/* - * Get MCLK and set clock rate, then enable it - * - * This interface is used for codecs who are using MCLK provided - * by saif. - */ -int mxs_saif_get_mclk(unsigned int saif_id, unsigned int mclk, - unsigned int rate) -{ - struct mxs_saif *saif = mxs_saif[saif_id]; - u32 stat; - int ret; - struct mxs_saif *master_saif; - - if (!saif) - return -EINVAL; - - /* Clear Reset */ - __raw_writel(BM_SAIF_CTRL_SFTRST, - saif->base + SAIF_CTRL + MXS_CLR_ADDR); - - /* FIXME: need clear clk gate for register r/w */ - __raw_writel(BM_SAIF_CTRL_CLKGATE, - saif->base + SAIF_CTRL + MXS_CLR_ADDR); - - master_saif = mxs_saif_get_master(saif); - if (saif != master_saif) { - dev_err(saif->dev, "can not get mclk from a non-master saif\n"); - return -EINVAL; - } - - stat = __raw_readl(saif->base + SAIF_STAT); - if (stat & BM_SAIF_STAT_BUSY) { - dev_err(saif->dev, "error: busy\n"); - return -EBUSY; - } - - saif->mclk_in_use = 1; - ret = mxs_saif_set_clk(saif, mclk, rate); - if (ret) - return ret; - - ret = clk_prepare_enable(saif->clk); - if (ret) - return ret; - - /* enable MCLK output */ - __raw_writel(BM_SAIF_CTRL_RUN, - saif->base + SAIF_CTRL + MXS_SET_ADDR); - - return 0; -} - -/* - * SAIF DAI format configuration. - * Should only be called when port is inactive. - */ -static int mxs_saif_set_dai_fmt(struct snd_soc_dai *cpu_dai, unsigned int fmt) -{ - u32 scr, stat; - u32 scr0; - struct mxs_saif *saif = snd_soc_dai_get_drvdata(cpu_dai); - - stat = __raw_readl(saif->base + SAIF_STAT); - if (stat & BM_SAIF_STAT_BUSY) { - dev_err(cpu_dai->dev, "error: busy\n"); - return -EBUSY; - } - - scr0 = __raw_readl(saif->base + SAIF_CTRL); - scr0 = scr0 & ~BM_SAIF_CTRL_BITCLK_EDGE & ~BM_SAIF_CTRL_LRCLK_POLARITY \ - & ~BM_SAIF_CTRL_JUSTIFY & ~BM_SAIF_CTRL_DELAY; - scr = 0; - - /* DAI mode */ - switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) { - case SND_SOC_DAIFMT_I2S: - /* data frame low 1clk before data */ - scr |= BM_SAIF_CTRL_DELAY; - scr &= ~BM_SAIF_CTRL_LRCLK_POLARITY; - break; - case SND_SOC_DAIFMT_LEFT_J: - /* data frame high with data */ - scr &= ~BM_SAIF_CTRL_DELAY; - scr &= ~BM_SAIF_CTRL_LRCLK_POLARITY; - scr &= ~BM_SAIF_CTRL_JUSTIFY; - break; - default: - return -EINVAL; - } - - /* DAI clock inversion */ - switch (fmt & SND_SOC_DAIFMT_INV_MASK) { - case SND_SOC_DAIFMT_IB_IF: - scr |= BM_SAIF_CTRL_BITCLK_EDGE; - scr |= BM_SAIF_CTRL_LRCLK_POLARITY; - break; - case SND_SOC_DAIFMT_IB_NF: - scr |= BM_SAIF_CTRL_BITCLK_EDGE; - scr &= ~BM_SAIF_CTRL_LRCLK_POLARITY; - break; - case SND_SOC_DAIFMT_NB_IF: - scr &= ~BM_SAIF_CTRL_BITCLK_EDGE; - scr |= BM_SAIF_CTRL_LRCLK_POLARITY; - break; - case SND_SOC_DAIFMT_NB_NF: - scr &= ~BM_SAIF_CTRL_BITCLK_EDGE; - scr &= ~BM_SAIF_CTRL_LRCLK_POLARITY; - break; - } - - /* - * Note: We simply just support master mode since SAIF TX can only - * work as master. - * Here the master is relative to codec side. - * Saif internally could be slave when working on EXTMASTER mode. - * We just hide this to machine driver. - */ - switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) { - case SND_SOC_DAIFMT_CBS_CFS: - if (saif->id == saif->master_id) - scr &= ~BM_SAIF_CTRL_SLAVE_MODE; - else - scr |= BM_SAIF_CTRL_SLAVE_MODE; - - __raw_writel(scr | scr0, saif->base + SAIF_CTRL); - break; - default: - return -EINVAL; - } - - return 0; -} - -static int mxs_saif_startup(struct snd_pcm_substream *substream, - struct snd_soc_dai *cpu_dai) -{ - struct mxs_saif *saif = snd_soc_dai_get_drvdata(cpu_dai); - snd_soc_dai_set_dma_data(cpu_dai, substream, &saif->dma_param); - - /* clear error status to 0 for each re-open */ - saif->fifo_underrun = 0; - saif->fifo_overrun = 0; - - /* Clear Reset for normal operations */ - __raw_writel(BM_SAIF_CTRL_SFTRST, - saif->base + SAIF_CTRL + MXS_CLR_ADDR); - - /* clear clock gate */ - __raw_writel(BM_SAIF_CTRL_CLKGATE, - saif->base + SAIF_CTRL + MXS_CLR_ADDR); - - return 0; -} - -/* - * Should only be called when port is inactive. - * although can be called multiple times by upper layers. - */ -static int mxs_saif_hw_params(struct snd_pcm_substream *substream, - struct snd_pcm_hw_params *params, - struct snd_soc_dai *cpu_dai) -{ - struct mxs_saif *saif = snd_soc_dai_get_drvdata(cpu_dai); - u32 scr, stat; - int ret; - - /* mclk should already be set */ - if (!saif->mclk && saif->mclk_in_use) { - dev_err(cpu_dai->dev, "set mclk first\n"); - return -EINVAL; - } - - stat = __raw_readl(saif->base + SAIF_STAT); - if (stat & BM_SAIF_STAT_BUSY) { - dev_err(cpu_dai->dev, "error: busy\n"); - return -EBUSY; - } - - /* - * Set saif clk based on sample rate. - * If mclk is used, we also set mclk, if not, saif->mclk is - * default 0, means not used. - */ - ret = mxs_saif_set_clk(saif, saif->mclk, params_rate(params)); - if (ret) { - dev_err(cpu_dai->dev, "unable to get proper clk\n"); - return ret; - } - - scr = __raw_readl(saif->base + SAIF_CTRL); - - scr &= ~BM_SAIF_CTRL_WORD_LENGTH; - scr &= ~BM_SAIF_CTRL_BITCLK_48XFS_ENABLE; - switch (params_format(params)) { - case SNDRV_PCM_FORMAT_S16_LE: - scr |= BF_SAIF_CTRL_WORD_LENGTH(0); - break; - case SNDRV_PCM_FORMAT_S20_3LE: - scr |= BF_SAIF_CTRL_WORD_LENGTH(4); - scr |= BM_SAIF_CTRL_BITCLK_48XFS_ENABLE; - break; - case SNDRV_PCM_FORMAT_S24_LE: - scr |= BF_SAIF_CTRL_WORD_LENGTH(8); - scr |= BM_SAIF_CTRL_BITCLK_48XFS_ENABLE; - break; - default: - return -EINVAL; - } - - /* Tx/Rx config */ - if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) { - /* enable TX mode */ - scr &= ~BM_SAIF_CTRL_READ_MODE; - } else { - /* enable RX mode */ - scr |= BM_SAIF_CTRL_READ_MODE; - } - - __raw_writel(scr, saif->base + SAIF_CTRL); - return 0; -} - -static int mxs_saif_prepare(struct snd_pcm_substream *substream, - struct snd_soc_dai *cpu_dai) -{ - struct mxs_saif *saif = snd_soc_dai_get_drvdata(cpu_dai); - - /* enable FIFO error irqs */ - __raw_writel(BM_SAIF_CTRL_FIFO_ERROR_IRQ_EN, - saif->base + SAIF_CTRL + MXS_SET_ADDR); - - return 0; -} - -static int mxs_saif_trigger(struct snd_pcm_substream *substream, int cmd, - struct snd_soc_dai *cpu_dai) -{ - struct mxs_saif *saif = snd_soc_dai_get_drvdata(cpu_dai); - struct mxs_saif *master_saif; - u32 delay; - - master_saif = mxs_saif_get_master(saif); - if (!master_saif) - return -EINVAL; - - switch (cmd) { - case SNDRV_PCM_TRIGGER_START: - case SNDRV_PCM_TRIGGER_RESUME: - case SNDRV_PCM_TRIGGER_PAUSE_RELEASE: - dev_dbg(cpu_dai->dev, "start\n"); - - clk_enable(master_saif->clk); - if (!master_saif->mclk_in_use) - __raw_writel(BM_SAIF_CTRL_RUN, - master_saif->base + SAIF_CTRL + MXS_SET_ADDR); - - /* - * If the saif's master is not himself, we also need to enable - * itself clk for its internal basic logic to work. - */ - if (saif != master_saif) { - clk_enable(saif->clk); - __raw_writel(BM_SAIF_CTRL_RUN, - saif->base + SAIF_CTRL + MXS_SET_ADDR); - } - - if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) { - /* - * write a data to saif data register to trigger - * the transfer - */ - __raw_writel(0, saif->base + SAIF_DATA); - } else { - /* - * read a data from saif data register to trigger - * the receive - */ - __raw_readl(saif->base + SAIF_DATA); - } - - master_saif->ongoing = 1; - - dev_dbg(saif->dev, "CTRL 0x%x STAT 0x%x\n", - __raw_readl(saif->base + SAIF_CTRL), - __raw_readl(saif->base + SAIF_STAT)); - - dev_dbg(master_saif->dev, "CTRL 0x%x STAT 0x%x\n", - __raw_readl(master_saif->base + SAIF_CTRL), - __raw_readl(master_saif->base + SAIF_STAT)); - break; - case SNDRV_PCM_TRIGGER_SUSPEND: - case SNDRV_PCM_TRIGGER_STOP: - case SNDRV_PCM_TRIGGER_PAUSE_PUSH: - dev_dbg(cpu_dai->dev, "stop\n"); - - /* wait a while for the current sample to complete */ - delay = USEC_PER_SEC / master_saif->cur_rate; - - if (!master_saif->mclk_in_use) { - __raw_writel(BM_SAIF_CTRL_RUN, - master_saif->base + SAIF_CTRL + MXS_CLR_ADDR); - udelay(delay); - } - clk_disable(master_saif->clk); - - if (saif != master_saif) { - __raw_writel(BM_SAIF_CTRL_RUN, - saif->base + SAIF_CTRL + MXS_CLR_ADDR); - udelay(delay); - clk_disable(saif->clk); - } - - master_saif->ongoing = 0; - - break; - default: - return -EINVAL; - } - - return 0; -} - -#define MXS_SAIF_RATES SNDRV_PCM_RATE_8000_192000 -#define MXS_SAIF_FORMATS \ - (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S20_3LE | \ - SNDRV_PCM_FMTBIT_S24_LE) - -static const struct snd_soc_dai_ops mxs_saif_dai_ops = { - .startup = mxs_saif_startup, - .trigger = mxs_saif_trigger, - .prepare = mxs_saif_prepare, - .hw_params = mxs_saif_hw_params, - .set_sysclk = mxs_saif_set_dai_sysclk, - .set_fmt = mxs_saif_set_dai_fmt, -}; - -static int mxs_saif_dai_probe(struct snd_soc_dai *dai) -{ - struct mxs_saif *saif = dev_get_drvdata(dai->dev); - - snd_soc_dai_set_drvdata(dai, saif); - - return 0; -} - -static struct snd_soc_dai_driver mxs_saif_dai = { - .name = "mxs-saif", - .probe = mxs_saif_dai_probe, - .playback = { - .channels_min = 2, - .channels_max = 2, - .rates = MXS_SAIF_RATES, - .formats = MXS_SAIF_FORMATS, - }, - .capture = { - .channels_min = 2, - .channels_max = 2, - .rates = MXS_SAIF_RATES, - .formats = MXS_SAIF_FORMATS, - }, - .ops = &mxs_saif_dai_ops, -}; - -static irqreturn_t mxs_saif_irq(int irq, void *dev_id) -{ - struct mxs_saif *saif = dev_id; - unsigned int stat; - - stat = __raw_readl(saif->base + SAIF_STAT); - if (!(stat & (BM_SAIF_STAT_FIFO_UNDERFLOW_IRQ | - BM_SAIF_STAT_FIFO_OVERFLOW_IRQ))) - return IRQ_NONE; - - if (stat & BM_SAIF_STAT_FIFO_UNDERFLOW_IRQ) { - dev_dbg(saif->dev, "underrun!!! %d\n", ++saif->fifo_underrun); - __raw_writel(BM_SAIF_STAT_FIFO_UNDERFLOW_IRQ, - saif->base + SAIF_STAT + MXS_CLR_ADDR); - } - - if (stat & BM_SAIF_STAT_FIFO_OVERFLOW_IRQ) { - dev_dbg(saif->dev, "overrun!!! %d\n", ++saif->fifo_overrun); - __raw_writel(BM_SAIF_STAT_FIFO_OVERFLOW_IRQ, - saif->base + SAIF_STAT + MXS_CLR_ADDR); - } - - dev_dbg(saif->dev, "SAIF_CTRL %x SAIF_STAT %x\n", - __raw_readl(saif->base + SAIF_CTRL), - __raw_readl(saif->base + SAIF_STAT)); - - return IRQ_HANDLED; -} - -static int mxs_saif_probe(struct platform_device *pdev) -{ - struct resource *iores, *dmares; - struct mxs_saif *saif; - struct mxs_saif_platform_data *pdata; - int ret = 0; - - if (pdev->id >= ARRAY_SIZE(mxs_saif)) - return -EINVAL; - - saif = devm_kzalloc(&pdev->dev, sizeof(*saif), GFP_KERNEL); - if (!saif) - return -ENOMEM; - - mxs_saif[pdev->id] = saif; - saif->id = pdev->id; - - pdata = pdev->dev.platform_data; - if (pdata && !pdata->master_mode) { - saif->master_id = pdata->master_id; - if (saif->master_id < 0 || - saif->master_id >= ARRAY_SIZE(mxs_saif) || - saif->master_id == saif->id) { - dev_err(&pdev->dev, "get wrong master id\n"); - return -EINVAL; - } - } else { - saif->master_id = saif->id; - } - - saif->clk = clk_get(&pdev->dev, NULL); - if (IS_ERR(saif->clk)) { - ret = PTR_ERR(saif->clk); - dev_err(&pdev->dev, "Cannot get the clock: %d\n", - ret); - return ret; - } - - iores = platform_get_resource(pdev, IORESOURCE_MEM, 0); - - saif->base = devm_request_and_ioremap(&pdev->dev, iores); - if (!saif->base) { - dev_err(&pdev->dev, "ioremap failed\n"); - ret = -ENODEV; - goto failed_get_resource; - } - - dmares = platform_get_resource(pdev, IORESOURCE_DMA, 0); - if (!dmares) { - ret = -ENODEV; - dev_err(&pdev->dev, "failed to get dma resource: %d\n", - ret); - goto failed_get_resource; - } - saif->dma_param.chan_num = dmares->start; - - saif->irq = platform_get_irq(pdev, 0); - if (saif->irq < 0) { - ret = saif->irq; - dev_err(&pdev->dev, "failed to get irq resource: %d\n", - ret); - goto failed_get_resource; - } - - saif->dev = &pdev->dev; - ret = devm_request_irq(&pdev->dev, saif->irq, mxs_saif_irq, 0, - "mxs-saif", saif); - if (ret) { - dev_err(&pdev->dev, "failed to request irq\n"); - goto failed_get_resource; - } - - saif->dma_param.chan_irq = platform_get_irq(pdev, 1); - if (saif->dma_param.chan_irq < 0) { - ret = saif->dma_param.chan_irq; - dev_err(&pdev->dev, "failed to get dma irq resource: %d\n", - ret); - goto failed_get_resource; - } - - platform_set_drvdata(pdev, saif); - - ret = snd_soc_register_dai(&pdev->dev, &mxs_saif_dai); - if (ret) { - dev_err(&pdev->dev, "register DAI failed\n"); - goto failed_get_resource; - } - - saif->soc_platform_pdev = platform_device_alloc( - "mxs-pcm-audio", pdev->id); - if (!saif->soc_platform_pdev) { - ret = -ENOMEM; - goto failed_pdev_alloc; - } - - platform_set_drvdata(saif->soc_platform_pdev, saif); - ret = platform_device_add(saif->soc_platform_pdev); - if (ret) { - dev_err(&pdev->dev, "failed to add soc platform device\n"); - goto failed_pdev_add; - } - - return 0; - -failed_pdev_add: - platform_device_put(saif->soc_platform_pdev); -failed_pdev_alloc: - snd_soc_unregister_dai(&pdev->dev); -failed_get_resource: - clk_put(saif->clk); - - return ret; -} - -static int __devexit mxs_saif_remove(struct platform_device *pdev) -{ - struct mxs_saif *saif = platform_get_drvdata(pdev); - - platform_device_unregister(saif->soc_platform_pdev); - snd_soc_unregister_dai(&pdev->dev); - clk_put(saif->clk); - - return 0; -} - -static struct platform_driver mxs_saif_driver = { - .probe = mxs_saif_probe, - .remove = __devexit_p(mxs_saif_remove), - - .driver = { - .name = "mxs-saif", - .owner = THIS_MODULE, - }, -}; - -module_platform_driver(mxs_saif_driver); - -MODULE_AUTHOR("Freescale Semiconductor, Inc."); -MODULE_DESCRIPTION("MXS ASoC SAIF driver"); -MODULE_LICENSE("GPL"); diff --git a/ANDROID_3.4.5/sound/soc/mxs/mxs-saif.h b/ANDROID_3.4.5/sound/soc/mxs/mxs-saif.h deleted file mode 100644 index 12c91e4e..00000000 --- a/ANDROID_3.4.5/sound/soc/mxs/mxs-saif.h +++ /dev/null @@ -1,134 +0,0 @@ -/* - * Copyright (C) 2011 Freescale Semiconductor, Inc. All Rights Reserved. - * - * 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., - * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. - */ - - -#ifndef _MXS_SAIF_H -#define _MXS_SAIF_H - -#define SAIF_CTRL 0x0 -#define SAIF_STAT 0x10 -#define SAIF_DATA 0x20 -#define SAIF_VERSION 0X30 - -/* SAIF_CTRL */ -#define BM_SAIF_CTRL_SFTRST 0x80000000 -#define BM_SAIF_CTRL_CLKGATE 0x40000000 -#define BP_SAIF_CTRL_BITCLK_MULT_RATE 27 -#define BM_SAIF_CTRL_BITCLK_MULT_RATE 0x38000000 -#define BF_SAIF_CTRL_BITCLK_MULT_RATE(v) \ - (((v) << 27) & BM_SAIF_CTRL_BITCLK_MULT_RATE) -#define BM_SAIF_CTRL_BITCLK_BASE_RATE 0x04000000 -#define BM_SAIF_CTRL_FIFO_ERROR_IRQ_EN 0x02000000 -#define BM_SAIF_CTRL_FIFO_SERVICE_IRQ_EN 0x01000000 -#define BP_SAIF_CTRL_RSRVD2 21 -#define BM_SAIF_CTRL_RSRVD2 0x00E00000 - -#define BP_SAIF_CTRL_DMAWAIT_COUNT 16 -#define BM_SAIF_CTRL_DMAWAIT_COUNT 0x001F0000 -#define BF_SAIF_CTRL_DMAWAIT_COUNT(v) \ - (((v) << 16) & BM_SAIF_CTRL_DMAWAIT_COUNT) -#define BP_SAIF_CTRL_CHANNEL_NUM_SELECT 14 -#define BM_SAIF_CTRL_CHANNEL_NUM_SELECT 0x0000C000 -#define BF_SAIF_CTRL_CHANNEL_NUM_SELECT(v) \ - (((v) << 14) & BM_SAIF_CTRL_CHANNEL_NUM_SELECT) -#define BM_SAIF_CTRL_LRCLK_PULSE 0x00002000 -#define BM_SAIF_CTRL_BIT_ORDER 0x00001000 -#define BM_SAIF_CTRL_DELAY 0x00000800 -#define BM_SAIF_CTRL_JUSTIFY 0x00000400 -#define BM_SAIF_CTRL_LRCLK_POLARITY 0x00000200 -#define BM_SAIF_CTRL_BITCLK_EDGE 0x00000100 -#define BP_SAIF_CTRL_WORD_LENGTH 4 -#define BM_SAIF_CTRL_WORD_LENGTH 0x000000F0 -#define BF_SAIF_CTRL_WORD_LENGTH(v) \ - (((v) << 4) & BM_SAIF_CTRL_WORD_LENGTH) -#define BM_SAIF_CTRL_BITCLK_48XFS_ENABLE 0x00000008 -#define BM_SAIF_CTRL_SLAVE_MODE 0x00000004 -#define BM_SAIF_CTRL_READ_MODE 0x00000002 -#define BM_SAIF_CTRL_RUN 0x00000001 - -/* SAIF_STAT */ -#define BM_SAIF_STAT_PRESENT 0x80000000 -#define BP_SAIF_STAT_RSRVD2 17 -#define BM_SAIF_STAT_RSRVD2 0x7FFE0000 -#define BF_SAIF_STAT_RSRVD2(v) \ - (((v) << 17) & BM_SAIF_STAT_RSRVD2) -#define BM_SAIF_STAT_DMA_PREQ 0x00010000 -#define BP_SAIF_STAT_RSRVD1 7 -#define BM_SAIF_STAT_RSRVD1 0x0000FF80 -#define BF_SAIF_STAT_RSRVD1(v) \ - (((v) << 7) & BM_SAIF_STAT_RSRVD1) - -#define BM_SAIF_STAT_FIFO_UNDERFLOW_IRQ 0x00000040 -#define BM_SAIF_STAT_FIFO_OVERFLOW_IRQ 0x00000020 -#define BM_SAIF_STAT_FIFO_SERVICE_IRQ 0x00000010 -#define BP_SAIF_STAT_RSRVD0 1 -#define BM_SAIF_STAT_RSRVD0 0x0000000E -#define BF_SAIF_STAT_RSRVD0(v) \ - (((v) << 1) & BM_SAIF_STAT_RSRVD0) -#define BM_SAIF_STAT_BUSY 0x00000001 - -/* SAFI_DATA */ -#define BP_SAIF_DATA_PCM_RIGHT 16 -#define BM_SAIF_DATA_PCM_RIGHT 0xFFFF0000 -#define BF_SAIF_DATA_PCM_RIGHT(v) \ - (((v) << 16) & BM_SAIF_DATA_PCM_RIGHT) -#define BP_SAIF_DATA_PCM_LEFT 0 -#define BM_SAIF_DATA_PCM_LEFT 0x0000FFFF -#define BF_SAIF_DATA_PCM_LEFT(v) \ - (((v) << 0) & BM_SAIF_DATA_PCM_LEFT) - -/* SAIF_VERSION */ -#define BP_SAIF_VERSION_MAJOR 24 -#define BM_SAIF_VERSION_MAJOR 0xFF000000 -#define BF_SAIF_VERSION_MAJOR(v) \ - (((v) << 24) & BM_SAIF_VERSION_MAJOR) -#define BP_SAIF_VERSION_MINOR 16 -#define BM_SAIF_VERSION_MINOR 0x00FF0000 -#define BF_SAIF_VERSION_MINOR(v) \ - (((v) << 16) & BM_SAIF_VERSION_MINOR) -#define BP_SAIF_VERSION_STEP 0 -#define BM_SAIF_VERSION_STEP 0x0000FFFF -#define BF_SAIF_VERSION_STEP(v) \ - (((v) << 0) & BM_SAIF_VERSION_STEP) - -#define MXS_SAIF_MCLK 0 - -#include "mxs-pcm.h" - -struct mxs_saif { - struct device *dev; - struct clk *clk; - unsigned int mclk; - unsigned int mclk_in_use; - void __iomem *base; - int irq; - struct mxs_pcm_dma_params dma_param; - unsigned int id; - unsigned int master_id; - unsigned int cur_rate; - unsigned int ongoing; - - struct platform_device *soc_platform_pdev; - u32 fifo_underrun; - u32 fifo_overrun; -}; - -extern int mxs_saif_put_mclk(unsigned int saif_id); -extern int mxs_saif_get_mclk(unsigned int saif_id, unsigned int mclk, - unsigned int rate); -#endif diff --git a/ANDROID_3.4.5/sound/soc/mxs/mxs-sgtl5000.c b/ANDROID_3.4.5/sound/soc/mxs/mxs-sgtl5000.c deleted file mode 100644 index 60f052b7..00000000 --- a/ANDROID_3.4.5/sound/soc/mxs/mxs-sgtl5000.c +++ /dev/null @@ -1,165 +0,0 @@ -/* - * Copyright 2011 Freescale Semiconductor, Inc. - * - * 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., - * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. - */ - -#include <linux/module.h> -#include <linux/device.h> -#include <sound/core.h> -#include <sound/pcm.h> -#include <sound/soc.h> -#include <sound/jack.h> -#include <sound/soc-dapm.h> -#include <asm/mach-types.h> - -#include "../codecs/sgtl5000.h" -#include "mxs-saif.h" - -static int mxs_sgtl5000_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 rate = params_rate(params); - u32 dai_format, mclk; - int ret; - - /* sgtl5000 does not support 512*rate when in 96000 fs */ - switch (rate) { - case 96000: - mclk = 256 * rate; - break; - default: - mclk = 512 * rate; - break; - } - - /* Sgtl5000 sysclk should be >= 8MHz and <= 27M */ - if (mclk < 8000000 || mclk > 27000000) - return -EINVAL; - - /* Set SGTL5000's SYSCLK (provided by SAIF MCLK) */ - ret = snd_soc_dai_set_sysclk(codec_dai, SGTL5000_SYSCLK, mclk, 0); - if (ret) - return ret; - - /* The SAIF MCLK should be the same as SGTL5000_SYSCLK */ - ret = snd_soc_dai_set_sysclk(cpu_dai, MXS_SAIF_MCLK, mclk, 0); - if (ret) - return ret; - - /* set codec to slave mode */ - dai_format = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF | - SND_SOC_DAIFMT_CBS_CFS; - - /* set codec DAI configuration */ - ret = snd_soc_dai_set_fmt(codec_dai, dai_format); - if (ret) - return ret; - - /* set cpu DAI configuration */ - ret = snd_soc_dai_set_fmt(cpu_dai, dai_format); - if (ret) - return ret; - - return 0; -} - -static struct snd_soc_ops mxs_sgtl5000_hifi_ops = { - .hw_params = mxs_sgtl5000_hw_params, -}; - -static struct snd_soc_dai_link mxs_sgtl5000_dai[] = { - { - .name = "HiFi Tx", - .stream_name = "HiFi Playback", - .codec_dai_name = "sgtl5000", - .codec_name = "sgtl5000.0-000a", - .cpu_dai_name = "mxs-saif.0", - .platform_name = "mxs-pcm-audio.0", - .ops = &mxs_sgtl5000_hifi_ops, - }, { - .name = "HiFi Rx", - .stream_name = "HiFi Capture", - .codec_dai_name = "sgtl5000", - .codec_name = "sgtl5000.0-000a", - .cpu_dai_name = "mxs-saif.1", - .platform_name = "mxs-pcm-audio.1", - .ops = &mxs_sgtl5000_hifi_ops, - }, -}; - -static struct snd_soc_card mxs_sgtl5000 = { - .name = "mxs_sgtl5000", - .owner = THIS_MODULE, - .dai_link = mxs_sgtl5000_dai, - .num_links = ARRAY_SIZE(mxs_sgtl5000_dai), -}; - -static int __devinit mxs_sgtl5000_probe(struct platform_device *pdev) -{ - struct snd_soc_card *card = &mxs_sgtl5000; - int ret; - - /* - * Set an init clock(11.28Mhz) for sgtl5000 initialization(i2c r/w). - * The Sgtl5000 sysclk is derived from saif0 mclk and it's range - * should be >= 8MHz and <= 27M. - */ - ret = mxs_saif_get_mclk(0, 44100 * 256, 44100); - if (ret) - return ret; - - card->dev = &pdev->dev; - platform_set_drvdata(pdev, card); - - ret = snd_soc_register_card(card); - if (ret) { - dev_err(&pdev->dev, "snd_soc_register_card failed (%d)\n", - ret); - return ret; - } - - return 0; -} - -static int __devexit mxs_sgtl5000_remove(struct platform_device *pdev) -{ - struct snd_soc_card *card = platform_get_drvdata(pdev); - - mxs_saif_put_mclk(0); - - snd_soc_unregister_card(card); - - return 0; -} - -static struct platform_driver mxs_sgtl5000_audio_driver = { - .driver = { - .name = "mxs-sgtl5000", - .owner = THIS_MODULE, - }, - .probe = mxs_sgtl5000_probe, - .remove = __devexit_p(mxs_sgtl5000_remove), -}; - -module_platform_driver(mxs_sgtl5000_audio_driver); - -MODULE_AUTHOR("Freescale Semiconductor, Inc."); -MODULE_DESCRIPTION("MXS ALSA SoC Machine driver"); -MODULE_LICENSE("GPL"); -MODULE_ALIAS("platform:mxs-sgtl5000"); |