forked from Minki/linux
Merge branch 'for-2.6.36' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/sound-2.6 into topic/asoc
This commit is contained in:
commit
9eb3430268
@ -10,6 +10,9 @@ struct imx_ssi_platform_data {
|
||||
unsigned int flags;
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#define IMX_SSI_DMA (1 << 0)
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#define IMX_SSI_USE_AC97 (1 << 1)
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#define IMX_SSI_NET (1 << 2)
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#define IMX_SSI_SYN (1 << 3)
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#define IMX_SSI_USE_I2S_SLAVE (1 << 4)
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void (*ac97_reset) (struct snd_ac97 *ac97);
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void (*ac97_warm_reset)(struct snd_ac97 *ac97);
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};
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|
@ -28,6 +28,7 @@ source "sound/soc/atmel/Kconfig"
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source "sound/soc/au1x/Kconfig"
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source "sound/soc/blackfin/Kconfig"
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source "sound/soc/davinci/Kconfig"
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source "sound/soc/ep93xx/Kconfig"
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source "sound/soc/fsl/Kconfig"
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source "sound/soc/imx/Kconfig"
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source "sound/soc/nuc900/Kconfig"
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|
@ -6,6 +6,7 @@ obj-$(CONFIG_SND_SOC) += atmel/
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obj-$(CONFIG_SND_SOC) += au1x/
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obj-$(CONFIG_SND_SOC) += blackfin/
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obj-$(CONFIG_SND_SOC) += davinci/
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obj-$(CONFIG_SND_SOC) += ep93xx/
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obj-$(CONFIG_SND_SOC) += fsl/
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obj-$(CONFIG_SND_SOC) += imx/
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obj-$(CONFIG_SND_SOC) += nuc900/
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|
@ -77,7 +77,6 @@ struct atmel_runtime_data {
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size_t period_size;
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dma_addr_t period_ptr; /* physical address of next period */
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int periods; /* period index of period_ptr */
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/* PDC register save */
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u32 pdc_xpr_save;
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@ -549,7 +549,6 @@ static int atmel_ssc_hw_params(struct snd_pcm_substream *substream,
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printk(KERN_WARNING "atmel_ssc_dai: unsupported DAI format 0x%x\n",
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ssc_p->daifmt);
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return -EINVAL;
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break;
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}
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pr_debug("atmel_ssc_hw_params: "
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"RCMR=%08x RFMR=%08x TCMR=%08x TFMR=%08x\n",
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@ -375,12 +375,10 @@ static int __devinit au1xpsc_ac97_drvprobe(struct platform_device *pdev)
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}
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ret = -EBUSY;
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wd->ioarea = request_mem_region(r->start, r->end - r->start + 1,
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"au1xpsc_ac97");
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if (!wd->ioarea)
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if (!request_mem_region(r->start, resource_size(r), pdev->name))
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goto out0;
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wd->mmio = ioremap(r->start, 0xffff);
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wd->mmio = ioremap(r->start, resource_size(r));
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if (!wd->mmio)
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goto out1;
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@ -410,8 +408,7 @@ static int __devinit au1xpsc_ac97_drvprobe(struct platform_device *pdev)
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snd_soc_unregister_dai(&au1xpsc_ac97_dai);
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out1:
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release_resource(wd->ioarea);
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kfree(wd->ioarea);
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release_mem_region(r->start, resource_size(r));
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out0:
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kfree(wd);
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return ret;
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@ -420,6 +417,7 @@ out0:
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static int __devexit au1xpsc_ac97_drvremove(struct platform_device *pdev)
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{
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struct au1xpsc_audio_data *wd = platform_get_drvdata(pdev);
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struct resource *r = platform_get_resource(pdev, IORESOURCE_MEM, 0);
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if (wd->dmapd)
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au1xpsc_pcm_destroy(wd->dmapd);
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@ -433,8 +431,7 @@ static int __devexit au1xpsc_ac97_drvremove(struct platform_device *pdev)
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au_sync();
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iounmap(wd->mmio);
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release_resource(wd->ioarea);
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kfree(wd->ioarea);
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release_mem_region(r->start, resource_size(r));
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kfree(wd);
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au1xpsc_ac97_workdata = NULL; /* MDEV */
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@ -321,12 +321,10 @@ static int __init au1xpsc_i2s_drvprobe(struct platform_device *pdev)
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}
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ret = -EBUSY;
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wd->ioarea = request_mem_region(r->start, r->end - r->start + 1,
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"au1xpsc_i2s");
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if (!wd->ioarea)
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if (!request_mem_region(r->start, resource_size(r), pdev->name))
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goto out0;
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wd->mmio = ioremap(r->start, 0xffff);
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wd->mmio = ioremap(r->start, resource_size(r));
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if (!wd->mmio)
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goto out1;
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@ -362,8 +360,7 @@ static int __init au1xpsc_i2s_drvprobe(struct platform_device *pdev)
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snd_soc_unregister_dai(&au1xpsc_i2s_dai);
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out1:
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release_resource(wd->ioarea);
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kfree(wd->ioarea);
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release_mem_region(r->start, resource_size(r));
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out0:
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kfree(wd);
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return ret;
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@ -372,6 +369,7 @@ out0:
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static int __devexit au1xpsc_i2s_drvremove(struct platform_device *pdev)
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{
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struct au1xpsc_audio_data *wd = platform_get_drvdata(pdev);
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struct resource *r = platform_get_resource(pdev, IORESOURCE_MEM, 0);
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if (wd->dmapd)
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au1xpsc_pcm_destroy(wd->dmapd);
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@ -384,8 +382,7 @@ static int __devexit au1xpsc_i2s_drvremove(struct platform_device *pdev)
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au_sync();
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iounmap(wd->mmio);
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release_resource(wd->ioarea);
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kfree(wd->ioarea);
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release_mem_region(r->start, resource_size(r));
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kfree(wd);
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au1xpsc_i2s_workdata = NULL; /* MDEV */
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@ -32,7 +32,6 @@ struct au1xpsc_audio_data {
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unsigned long rate;
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unsigned long pm[2];
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struct resource *ioarea;
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struct mutex lock;
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struct platform_device *dmapd;
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};
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9
sound/soc/ep93xx/Kconfig
Normal file
9
sound/soc/ep93xx/Kconfig
Normal file
@ -0,0 +1,9 @@
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config SND_EP93XX_SOC
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tristate "SoC Audio support for the Cirrus Logic EP93xx series"
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depends on ARCH_EP93XX && SND_SOC
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help
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Say Y or M if you want to add support for codecs attached to
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the EP93xx I2S interface.
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config SND_EP93XX_SOC_I2S
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tristate
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8
sound/soc/ep93xx/Makefile
Normal file
8
sound/soc/ep93xx/Makefile
Normal file
@ -0,0 +1,8 @@
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# EP93xx Platform Support
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snd-soc-ep93xx-objs := ep93xx-pcm.o
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snd-soc-ep93xx-i2s-objs := ep93xx-i2s.o
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obj-$(CONFIG_SND_EP93XX_SOC) += snd-soc-ep93xx.o
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obj-$(CONFIG_SND_EP93XX_SOC_I2S) += snd-soc-ep93xx-i2s.o
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# EP93XX Machine Support
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487
sound/soc/ep93xx/ep93xx-i2s.c
Normal file
487
sound/soc/ep93xx/ep93xx-i2s.c
Normal file
@ -0,0 +1,487 @@
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/*
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* linux/sound/soc/ep93xx-i2s.c
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* EP93xx I2S driver
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*
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* Copyright (C) 2010 Ryan Mallon <ryan@bluewatersys.com>
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*
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* Based on the original driver by:
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* Copyright (C) 2007 Chase Douglas <chasedouglas@gmail>
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* Copyright (C) 2006 Lennert Buytenhek <buytenh@wantstofly.org>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 as
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* published by the Free Software Foundation.
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*
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*/
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#include <linux/module.h>
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#include <linux/init.h>
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#include <linux/slab.h>
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#include <linux/clk.h>
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#include <linux/io.h>
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#include <sound/core.h>
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#include <sound/pcm.h>
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#include <sound/pcm_params.h>
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#include <sound/initval.h>
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#include <sound/soc.h>
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#include <mach/hardware.h>
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#include <mach/ep93xx-regs.h>
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#include <mach/dma.h>
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#include "ep93xx-pcm.h"
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#include "ep93xx-i2s.h"
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#define EP93XX_I2S_TXCLKCFG 0x00
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#define EP93XX_I2S_RXCLKCFG 0x04
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#define EP93XX_I2S_GLCTRL 0x0C
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#define EP93XX_I2S_TXLINCTRLDATA 0x28
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#define EP93XX_I2S_TXCTRL 0x2C
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#define EP93XX_I2S_TXWRDLEN 0x30
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#define EP93XX_I2S_TX0EN 0x34
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#define EP93XX_I2S_RXLINCTRLDATA 0x58
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#define EP93XX_I2S_RXCTRL 0x5C
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#define EP93XX_I2S_RXWRDLEN 0x60
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#define EP93XX_I2S_RX0EN 0x64
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#define EP93XX_I2S_WRDLEN_16 (0 << 0)
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#define EP93XX_I2S_WRDLEN_24 (1 << 0)
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#define EP93XX_I2S_WRDLEN_32 (2 << 0)
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#define EP93XX_I2S_LINCTRLDATA_R_JUST (1 << 2) /* Right justify */
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#define EP93XX_I2S_CLKCFG_LRS (1 << 0) /* lrclk polarity */
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#define EP93XX_I2S_CLKCFG_CKP (1 << 1) /* Bit clock polarity */
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#define EP93XX_I2S_CLKCFG_REL (1 << 2) /* First bit transition */
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#define EP93XX_I2S_CLKCFG_MASTER (1 << 3) /* Master mode */
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#define EP93XX_I2S_CLKCFG_NBCG (1 << 4) /* Not bit clock gating */
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struct ep93xx_i2s_info {
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struct clk *mclk;
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struct clk *sclk;
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struct clk *lrclk;
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struct ep93xx_pcm_dma_params *dma_params;
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struct resource *mem;
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void __iomem *regs;
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};
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struct ep93xx_pcm_dma_params ep93xx_i2s_dma_params[] = {
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[SNDRV_PCM_STREAM_PLAYBACK] = {
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.name = "i2s-pcm-out",
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.dma_port = EP93XX_DMA_M2P_PORT_I2S1,
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},
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[SNDRV_PCM_STREAM_CAPTURE] = {
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.name = "i2s-pcm-in",
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.dma_port = EP93XX_DMA_M2P_PORT_I2S1,
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},
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};
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static inline void ep93xx_i2s_write_reg(struct ep93xx_i2s_info *info,
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unsigned reg, unsigned val)
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{
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__raw_writel(val, info->regs + reg);
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}
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static inline unsigned ep93xx_i2s_read_reg(struct ep93xx_i2s_info *info,
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unsigned reg)
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{
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return __raw_readl(info->regs + reg);
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}
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static void ep93xx_i2s_enable(struct ep93xx_i2s_info *info, int stream)
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{
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unsigned base_reg;
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int i;
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|
||||
if ((ep93xx_i2s_read_reg(info, EP93XX_I2S_TX0EN) & 0x1) == 0 &&
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(ep93xx_i2s_read_reg(info, EP93XX_I2S_RX0EN) & 0x1) == 0) {
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/* Enable clocks */
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||||
clk_enable(info->mclk);
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||||
clk_enable(info->sclk);
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clk_enable(info->lrclk);
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||||
|
||||
/* Enable i2s */
|
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ep93xx_i2s_write_reg(info, EP93XX_I2S_GLCTRL, 1);
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||||
}
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||||
|
||||
/* Enable fifos */
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||||
if (stream == SNDRV_PCM_STREAM_PLAYBACK)
|
||||
base_reg = EP93XX_I2S_TX0EN;
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||||
else
|
||||
base_reg = EP93XX_I2S_RX0EN;
|
||||
for (i = 0; i < 3; i++)
|
||||
ep93xx_i2s_write_reg(info, base_reg + (i * 4), 1);
|
||||
}
|
||||
|
||||
static void ep93xx_i2s_disable(struct ep93xx_i2s_info *info, int stream)
|
||||
{
|
||||
unsigned base_reg;
|
||||
int i;
|
||||
|
||||
/* Disable fifos */
|
||||
if (stream == SNDRV_PCM_STREAM_PLAYBACK)
|
||||
base_reg = EP93XX_I2S_TX0EN;
|
||||
else
|
||||
base_reg = EP93XX_I2S_RX0EN;
|
||||
for (i = 0; i < 3; i++)
|
||||
ep93xx_i2s_write_reg(info, base_reg + (i * 4), 0);
|
||||
|
||||
if ((ep93xx_i2s_read_reg(info, EP93XX_I2S_TX0EN) & 0x1) == 0 &&
|
||||
(ep93xx_i2s_read_reg(info, EP93XX_I2S_RX0EN) & 0x1) == 0) {
|
||||
/* Disable i2s */
|
||||
ep93xx_i2s_write_reg(info, EP93XX_I2S_GLCTRL, 0);
|
||||
|
||||
/* Disable clocks */
|
||||
clk_disable(info->lrclk);
|
||||
clk_disable(info->sclk);
|
||||
clk_disable(info->mclk);
|
||||
}
|
||||
}
|
||||
|
||||
static int ep93xx_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->dai->cpu_dai;
|
||||
struct ep93xx_i2s_info *info = rtd->dai->cpu_dai->private_data;
|
||||
|
||||
snd_soc_dai_set_dma_data(cpu_dai, substream,
|
||||
&info->dma_params[substream->stream]);
|
||||
return 0;
|
||||
}
|
||||
|
||||
static void ep93xx_i2s_shutdown(struct snd_pcm_substream *substream,
|
||||
struct snd_soc_dai *dai)
|
||||
{
|
||||
struct snd_soc_pcm_runtime *rtd = substream->private_data;
|
||||
struct ep93xx_i2s_info *info = rtd->dai->cpu_dai->private_data;
|
||||
|
||||
ep93xx_i2s_disable(info, substream->stream);
|
||||
}
|
||||
|
||||
static int ep93xx_i2s_set_dai_fmt(struct snd_soc_dai *cpu_dai,
|
||||
unsigned int fmt)
|
||||
{
|
||||
struct ep93xx_i2s_info *info = cpu_dai->private_data;
|
||||
unsigned int clk_cfg, lin_ctrl;
|
||||
|
||||
clk_cfg = ep93xx_i2s_read_reg(info, EP93XX_I2S_RXCLKCFG);
|
||||
lin_ctrl = ep93xx_i2s_read_reg(info, EP93XX_I2S_RXLINCTRLDATA);
|
||||
|
||||
switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
|
||||
case SND_SOC_DAIFMT_I2S:
|
||||
clk_cfg |= EP93XX_I2S_CLKCFG_REL;
|
||||
lin_ctrl &= ~EP93XX_I2S_LINCTRLDATA_R_JUST;
|
||||
break;
|
||||
|
||||
case SND_SOC_DAIFMT_LEFT_J:
|
||||
clk_cfg &= ~EP93XX_I2S_CLKCFG_REL;
|
||||
lin_ctrl &= ~EP93XX_I2S_LINCTRLDATA_R_JUST;
|
||||
break;
|
||||
|
||||
case SND_SOC_DAIFMT_RIGHT_J:
|
||||
clk_cfg &= ~EP93XX_I2S_CLKCFG_REL;
|
||||
lin_ctrl |= EP93XX_I2S_LINCTRLDATA_R_JUST;
|
||||
break;
|
||||
|
||||
default:
|
||||
return -EINVAL;
|
||||
}
|
||||
|
||||
switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) {
|
||||
case SND_SOC_DAIFMT_CBS_CFS:
|
||||
/* CPU is master */
|
||||
clk_cfg |= EP93XX_I2S_CLKCFG_MASTER;
|
||||
break;
|
||||
|
||||
case SND_SOC_DAIFMT_CBM_CFM:
|
||||
/* Codec is master */
|
||||
clk_cfg &= ~EP93XX_I2S_CLKCFG_MASTER;
|
||||
break;
|
||||
|
||||
default:
|
||||
return -EINVAL;
|
||||
}
|
||||
|
||||
switch (fmt & SND_SOC_DAIFMT_INV_MASK) {
|
||||
case SND_SOC_DAIFMT_NB_NF:
|
||||
/* Negative bit clock, lrclk low on left word */
|
||||
clk_cfg &= ~(EP93XX_I2S_CLKCFG_CKP | EP93XX_I2S_CLKCFG_REL);
|
||||
break;
|
||||
|
||||
case SND_SOC_DAIFMT_NB_IF:
|
||||
/* Negative bit clock, lrclk low on right word */
|
||||
clk_cfg &= ~EP93XX_I2S_CLKCFG_CKP;
|
||||
clk_cfg |= EP93XX_I2S_CLKCFG_REL;
|
||||
break;
|
||||
|
||||
case SND_SOC_DAIFMT_IB_NF:
|
||||
/* Positive bit clock, lrclk low on left word */
|
||||
clk_cfg |= EP93XX_I2S_CLKCFG_CKP;
|
||||
clk_cfg &= ~EP93XX_I2S_CLKCFG_REL;
|
||||
break;
|
||||
|
||||
case SND_SOC_DAIFMT_IB_IF:
|
||||
/* Positive bit clock, lrclk low on right word */
|
||||
clk_cfg |= EP93XX_I2S_CLKCFG_CKP | EP93XX_I2S_CLKCFG_REL;
|
||||
break;
|
||||
}
|
||||
|
||||
/* Write new register values */
|
||||
ep93xx_i2s_write_reg(info, EP93XX_I2S_RXCLKCFG, clk_cfg);
|
||||
ep93xx_i2s_write_reg(info, EP93XX_I2S_TXCLKCFG, clk_cfg);
|
||||
ep93xx_i2s_write_reg(info, EP93XX_I2S_RXLINCTRLDATA, lin_ctrl);
|
||||
ep93xx_i2s_write_reg(info, EP93XX_I2S_TXLINCTRLDATA, lin_ctrl);
|
||||
return 0;
|
||||
}
|
||||
|
||||
static int ep93xx_i2s_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->dai->cpu_dai;
|
||||
struct ep93xx_i2s_info *info = cpu_dai->private_data;
|
||||
unsigned word_len, div, sdiv, lrdiv;
|
||||
int found = 0, err;
|
||||
|
||||
switch (params_format(params)) {
|
||||
case SNDRV_PCM_FORMAT_S16_LE:
|
||||
word_len = EP93XX_I2S_WRDLEN_16;
|
||||
break;
|
||||
|
||||
case SNDRV_PCM_FORMAT_S24_LE:
|
||||
word_len = EP93XX_I2S_WRDLEN_24;
|
||||
break;
|
||||
|
||||
case SNDRV_PCM_FORMAT_S32_LE:
|
||||
word_len = EP93XX_I2S_WRDLEN_32;
|
||||
break;
|
||||
|
||||
default:
|
||||
return -EINVAL;
|
||||
}
|
||||
|
||||
if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
|
||||
ep93xx_i2s_write_reg(info, EP93XX_I2S_TXWRDLEN, word_len);
|
||||
else
|
||||
ep93xx_i2s_write_reg(info, EP93XX_I2S_RXWRDLEN, word_len);
|
||||
|
||||
/*
|
||||
* Calculate the sdiv (bit clock) and lrdiv (left/right clock) values.
|
||||
* If the lrclk is pulse length is larger than the word size, then the
|
||||
* bit clock will be gated for the unused bits.
|
||||
*/
|
||||
div = (clk_get_rate(info->mclk) / params_rate(params)) *
|
||||
params_channels(params);
|
||||
for (sdiv = 2; sdiv <= 4; sdiv += 2)
|
||||
for (lrdiv = 32; lrdiv <= 128; lrdiv <<= 1)
|
||||
if (sdiv * lrdiv == div) {
|
||||
found = 1;
|
||||
goto out;
|
||||
}
|
||||
out:
|
||||
if (!found)
|
||||
return -EINVAL;
|
||||
|
||||
err = clk_set_rate(info->sclk, clk_get_rate(info->mclk) / sdiv);
|
||||
if (err)
|
||||
return err;
|
||||
|
||||
err = clk_set_rate(info->lrclk, clk_get_rate(info->sclk) / lrdiv);
|
||||
if (err)
|
||||
return err;
|
||||
|
||||
ep93xx_i2s_enable(info, substream->stream);
|
||||
return 0;
|
||||
}
|
||||
|
||||
static int ep93xx_i2s_set_sysclk(struct snd_soc_dai *cpu_dai, int clk_id,
|
||||
unsigned int freq, int dir)
|
||||
{
|
||||
struct ep93xx_i2s_info *info = cpu_dai->private_data;
|
||||
|
||||
if (dir == SND_SOC_CLOCK_IN || clk_id != 0)
|
||||
return -EINVAL;
|
||||
|
||||
return clk_set_rate(info->mclk, freq);
|
||||
}
|
||||
|
||||
#ifdef CONFIG_PM
|
||||
static int ep93xx_i2s_suspend(struct snd_soc_dai *dai)
|
||||
{
|
||||
struct ep93xx_i2s_info *info = dai->private_data;
|
||||
|
||||
if (!dai->active)
|
||||
return;
|
||||
|
||||
ep93xx_i2s_disable(info, SNDRV_PCM_STREAM_PLAYBACK);
|
||||
ep93xx_i2s_disable(info, SNDRV_PCM_STREAM_CAPTURE);
|
||||
}
|
||||
|
||||
static int ep93xx_i2s_resume(struct snd_soc_dai *dai)
|
||||
{
|
||||
struct ep93xx_i2s_info *info = dai->private_data;
|
||||
|
||||
if (!dai->active)
|
||||
return;
|
||||
|
||||
ep93xx_i2s_enable(info, SNDRV_PCM_STREAM_PLAYBACK);
|
||||
ep93xx_i2s_enable(info, SNDRV_PCM_STREAM_CAPTURE);
|
||||
}
|
||||
#else
|
||||
#define ep93xx_i2s_suspend NULL
|
||||
#define ep93xx_i2s_resume NULL
|
||||
#endif
|
||||
|
||||
static struct snd_soc_dai_ops ep93xx_i2s_dai_ops = {
|
||||
.startup = ep93xx_i2s_startup,
|
||||
.shutdown = ep93xx_i2s_shutdown,
|
||||
.hw_params = ep93xx_i2s_hw_params,
|
||||
.set_sysclk = ep93xx_i2s_set_sysclk,
|
||||
.set_fmt = ep93xx_i2s_set_dai_fmt,
|
||||
};
|
||||
|
||||
#define EP93XX_I2S_FORMATS (SNDRV_PCM_FMTBIT_S16_LE | \
|
||||
SNDRV_PCM_FMTBIT_S24_LE | \
|
||||
SNDRV_PCM_FMTBIT_S32_LE)
|
||||
|
||||
struct snd_soc_dai ep93xx_i2s_dai = {
|
||||
.name = "ep93xx-i2s",
|
||||
.id = 0,
|
||||
.symmetric_rates= 1,
|
||||
.suspend = ep93xx_i2s_suspend,
|
||||
.resume = ep93xx_i2s_resume,
|
||||
.playback = {
|
||||
.channels_min = 2,
|
||||
.channels_max = 2,
|
||||
.rates = SNDRV_PCM_RATE_8000_48000,
|
||||
.formats = EP93XX_I2S_FORMATS,
|
||||
},
|
||||
.capture = {
|
||||
.channels_min = 2,
|
||||
.channels_max = 2,
|
||||
.rates = SNDRV_PCM_RATE_8000_48000,
|
||||
.formats = EP93XX_I2S_FORMATS,
|
||||
},
|
||||
.ops = &ep93xx_i2s_dai_ops,
|
||||
};
|
||||
EXPORT_SYMBOL_GPL(ep93xx_i2s_dai);
|
||||
|
||||
static int ep93xx_i2s_probe(struct platform_device *pdev)
|
||||
{
|
||||
struct ep93xx_i2s_info *info;
|
||||
struct resource *res;
|
||||
int err;
|
||||
|
||||
info = kzalloc(sizeof(struct ep93xx_i2s_info), GFP_KERNEL);
|
||||
if (!info) {
|
||||
err = -ENOMEM;
|
||||
goto fail;
|
||||
}
|
||||
|
||||
ep93xx_i2s_dai.dev = &pdev->dev;
|
||||
ep93xx_i2s_dai.private_data = info;
|
||||
info->dma_params = ep93xx_i2s_dma_params;
|
||||
|
||||
res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
|
||||
if (!res) {
|
||||
err = -ENODEV;
|
||||
goto fail;
|
||||
}
|
||||
|
||||
info->mem = request_mem_region(res->start, resource_size(res),
|
||||
pdev->name);
|
||||
if (!info->mem) {
|
||||
err = -EBUSY;
|
||||
goto fail;
|
||||
}
|
||||
|
||||
info->regs = ioremap(info->mem->start, resource_size(info->mem));
|
||||
if (!info->regs) {
|
||||
err = -ENXIO;
|
||||
goto fail_release_mem;
|
||||
}
|
||||
|
||||
info->mclk = clk_get(&pdev->dev, "mclk");
|
||||
if (IS_ERR(info->mclk)) {
|
||||
err = PTR_ERR(info->mclk);
|
||||
goto fail_unmap_mem;
|
||||
}
|
||||
|
||||
info->sclk = clk_get(&pdev->dev, "sclk");
|
||||
if (IS_ERR(info->sclk)) {
|
||||
err = PTR_ERR(info->sclk);
|
||||
goto fail_put_mclk;
|
||||
}
|
||||
|
||||
info->lrclk = clk_get(&pdev->dev, "lrclk");
|
||||
if (IS_ERR(info->lrclk)) {
|
||||
err = PTR_ERR(info->lrclk);
|
||||
goto fail_put_sclk;
|
||||
}
|
||||
|
||||
err = snd_soc_register_dai(&ep93xx_i2s_dai);
|
||||
if (err)
|
||||
goto fail_put_lrclk;
|
||||
|
||||
return 0;
|
||||
|
||||
fail_put_lrclk:
|
||||
clk_put(info->lrclk);
|
||||
fail_put_sclk:
|
||||
clk_put(info->sclk);
|
||||
fail_put_mclk:
|
||||
clk_put(info->mclk);
|
||||
fail_unmap_mem:
|
||||
iounmap(info->regs);
|
||||
fail_release_mem:
|
||||
release_mem_region(info->mem->start, resource_size(info->mem));
|
||||
kfree(info);
|
||||
fail:
|
||||
return err;
|
||||
}
|
||||
|
||||
static int __devexit ep93xx_i2s_remove(struct platform_device *pdev)
|
||||
{
|
||||
struct ep93xx_i2s_info *info = ep93xx_i2s_dai.private_data;
|
||||
|
||||
snd_soc_unregister_dai(&ep93xx_i2s_dai);
|
||||
clk_put(info->lrclk);
|
||||
clk_put(info->sclk);
|
||||
clk_put(info->mclk);
|
||||
iounmap(info->regs);
|
||||
release_mem_region(info->mem->start, resource_size(info->mem));
|
||||
kfree(info);
|
||||
return 0;
|
||||
}
|
||||
|
||||
static struct platform_driver ep93xx_i2s_driver = {
|
||||
.probe = ep93xx_i2s_probe,
|
||||
.remove = __devexit_p(ep93xx_i2s_remove),
|
||||
.driver = {
|
||||
.name = "ep93xx-i2s",
|
||||
.owner = THIS_MODULE,
|
||||
},
|
||||
};
|
||||
|
||||
static int __init ep93xx_i2s_init(void)
|
||||
{
|
||||
return platform_driver_register(&ep93xx_i2s_driver);
|
||||
}
|
||||
|
||||
static void __exit ep93xx_i2s_exit(void)
|
||||
{
|
||||
platform_driver_unregister(&ep93xx_i2s_driver);
|
||||
}
|
||||
|
||||
module_init(ep93xx_i2s_init);
|
||||
module_exit(ep93xx_i2s_exit);
|
||||
|
||||
MODULE_ALIAS("platform:ep93xx-i2s");
|
||||
MODULE_AUTHOR("Ryan Mallon <ryan@bluewatersys.com>");
|
||||
MODULE_DESCRIPTION("EP93XX I2S driver");
|
||||
MODULE_LICENSE("GPL");
|
18
sound/soc/ep93xx/ep93xx-i2s.h
Normal file
18
sound/soc/ep93xx/ep93xx-i2s.h
Normal file
@ -0,0 +1,18 @@
|
||||
/*
|
||||
* linux/sound/soc/ep93xx-i2s.h
|
||||
* EP93xx I2S driver
|
||||
*
|
||||
* Copyright (C) 2010 Ryan Mallon <ryan@bluewatersys.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.
|
||||
*
|
||||
*/
|
||||
|
||||
#ifndef _EP93XX_SND_SOC_I2S_H
|
||||
#define _EP93XX_SND_SOC_I2S_H
|
||||
|
||||
extern struct snd_soc_dai ep93xx_i2s_dai;
|
||||
|
||||
#endif /* _EP93XX_SND_SOC_I2S_H */
|
319
sound/soc/ep93xx/ep93xx-pcm.c
Normal file
319
sound/soc/ep93xx/ep93xx-pcm.c
Normal file
@ -0,0 +1,319 @@
|
||||
/*
|
||||
* linux/sound/arm/ep93xx-pcm.c - EP93xx ALSA PCM interface
|
||||
*
|
||||
* Copyright (C) 2006 Lennert Buytenhek <buytenh@wantstofly.org>
|
||||
* Copyright (C) 2006 Applied Data Systems
|
||||
*
|
||||
* Rewritten for the SoC audio subsystem (Based on PXA2xx code):
|
||||
* Copyright (c) 2008 Ryan Mallon <ryan@bluewatersys.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/init.h>
|
||||
#include <linux/device.h>
|
||||
#include <linux/slab.h>
|
||||
#include <linux/dma-mapping.h>
|
||||
|
||||
#include <sound/core.h>
|
||||
#include <sound/pcm.h>
|
||||
#include <sound/pcm_params.h>
|
||||
#include <sound/soc.h>
|
||||
|
||||
#include <mach/dma.h>
|
||||
#include <mach/hardware.h>
|
||||
#include <mach/ep93xx-regs.h>
|
||||
|
||||
#include "ep93xx-pcm.h"
|
||||
|
||||
static const struct snd_pcm_hardware ep93xx_pcm_hardware = {
|
||||
.info = (SNDRV_PCM_INFO_MMAP |
|
||||
SNDRV_PCM_INFO_MMAP_VALID |
|
||||
SNDRV_PCM_INFO_INTERLEAVED |
|
||||
SNDRV_PCM_INFO_BLOCK_TRANSFER),
|
||||
|
||||
.rates = SNDRV_PCM_RATE_8000_48000,
|
||||
.rate_min = SNDRV_PCM_RATE_8000,
|
||||
.rate_max = SNDRV_PCM_RATE_48000,
|
||||
|
||||
.formats = (SNDRV_PCM_FMTBIT_S16_LE |
|
||||
SNDRV_PCM_FMTBIT_S24_LE |
|
||||
SNDRV_PCM_FMTBIT_S32_LE),
|
||||
|
||||
.buffer_bytes_max = 131072,
|
||||
.period_bytes_min = 32,
|
||||
.period_bytes_max = 32768,
|
||||
.periods_min = 1,
|
||||
.periods_max = 32,
|
||||
.fifo_size = 32,
|
||||
};
|
||||
|
||||
struct ep93xx_runtime_data
|
||||
{
|
||||
struct ep93xx_dma_m2p_client cl;
|
||||
struct ep93xx_pcm_dma_params *params;
|
||||
int pointer_bytes;
|
||||
struct tasklet_struct period_tasklet;
|
||||
int periods;
|
||||
struct ep93xx_dma_buffer buf[32];
|
||||
};
|
||||
|
||||
static void ep93xx_pcm_period_elapsed(unsigned long data)
|
||||
{
|
||||
struct snd_pcm_substream *substream = (struct snd_pcm_substream *)data;
|
||||
snd_pcm_period_elapsed(substream);
|
||||
}
|
||||
|
||||
static void ep93xx_pcm_buffer_started(void *cookie,
|
||||
struct ep93xx_dma_buffer *buf)
|
||||
{
|
||||
}
|
||||
|
||||
static void ep93xx_pcm_buffer_finished(void *cookie,
|
||||
struct ep93xx_dma_buffer *buf,
|
||||
int bytes, int error)
|
||||
{
|
||||
struct snd_pcm_substream *substream = cookie;
|
||||
struct ep93xx_runtime_data *rtd = substream->runtime->private_data;
|
||||
|
||||
if (buf == rtd->buf + rtd->periods - 1)
|
||||
rtd->pointer_bytes = 0;
|
||||
else
|
||||
rtd->pointer_bytes += buf->size;
|
||||
|
||||
if (!error) {
|
||||
ep93xx_dma_m2p_submit_recursive(&rtd->cl, buf);
|
||||
tasklet_schedule(&rtd->period_tasklet);
|
||||
} else {
|
||||
snd_pcm_stop(substream, SNDRV_PCM_STATE_XRUN);
|
||||
}
|
||||
}
|
||||
|
||||
static int ep93xx_pcm_open(struct snd_pcm_substream *substream)
|
||||
{
|
||||
struct snd_soc_pcm_runtime *soc_rtd = substream->private_data;
|
||||
struct snd_soc_dai *cpu_dai = soc_rtd->dai->cpu_dai;
|
||||
struct ep93xx_pcm_dma_params *dma_params;
|
||||
struct ep93xx_runtime_data *rtd;
|
||||
int ret;
|
||||
|
||||
dma_params = snd_soc_dai_get_dma_data(cpu_dai, substream);
|
||||
snd_soc_set_runtime_hwparams(substream, &ep93xx_pcm_hardware);
|
||||
|
||||
rtd = kmalloc(sizeof(*rtd), GFP_KERNEL);
|
||||
if (!rtd)
|
||||
return -ENOMEM;
|
||||
|
||||
memset(&rtd->period_tasklet, 0, sizeof(rtd->period_tasklet));
|
||||
rtd->period_tasklet.func = ep93xx_pcm_period_elapsed;
|
||||
rtd->period_tasklet.data = (unsigned long)substream;
|
||||
|
||||
rtd->cl.name = dma_params->name;
|
||||
rtd->cl.flags = dma_params->dma_port | EP93XX_DMA_M2P_IGNORE_ERROR |
|
||||
((substream->stream == SNDRV_PCM_STREAM_PLAYBACK) ?
|
||||
EP93XX_DMA_M2P_TX : EP93XX_DMA_M2P_RX);
|
||||
rtd->cl.cookie = substream;
|
||||
rtd->cl.buffer_started = ep93xx_pcm_buffer_started;
|
||||
rtd->cl.buffer_finished = ep93xx_pcm_buffer_finished;
|
||||
ret = ep93xx_dma_m2p_client_register(&rtd->cl);
|
||||
if (ret < 0) {
|
||||
kfree(rtd);
|
||||
return ret;
|
||||
}
|
||||
|
||||
substream->runtime->private_data = rtd;
|
||||
return 0;
|
||||
}
|
||||
|
||||
static int ep93xx_pcm_close(struct snd_pcm_substream *substream)
|
||||
{
|
||||
struct ep93xx_runtime_data *rtd = substream->runtime->private_data;
|
||||
|
||||
ep93xx_dma_m2p_client_unregister(&rtd->cl);
|
||||
kfree(rtd);
|
||||
return 0;
|
||||
}
|
||||
|
||||
static int ep93xx_pcm_hw_params(struct snd_pcm_substream *substream,
|
||||
struct snd_pcm_hw_params *params)
|
||||
{
|
||||
struct snd_pcm_runtime *runtime = substream->runtime;
|
||||
struct ep93xx_runtime_data *rtd = runtime->private_data;
|
||||
size_t totsize = params_buffer_bytes(params);
|
||||
size_t period = params_period_bytes(params);
|
||||
int i;
|
||||
|
||||
snd_pcm_set_runtime_buffer(substream, &substream->dma_buffer);
|
||||
runtime->dma_bytes = totsize;
|
||||
|
||||
rtd->periods = (totsize + period - 1) / period;
|
||||
for (i = 0; i < rtd->periods; i++) {
|
||||
rtd->buf[i].bus_addr = runtime->dma_addr + (i * period);
|
||||
rtd->buf[i].size = period;
|
||||
if ((i + 1) * period > totsize)
|
||||
rtd->buf[i].size = totsize - (i * period);
|
||||
}
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
static int ep93xx_pcm_hw_free(struct snd_pcm_substream *substream)
|
||||
{
|
||||
snd_pcm_set_runtime_buffer(substream, NULL);
|
||||
return 0;
|
||||
}
|
||||
|
||||
static int ep93xx_pcm_trigger(struct snd_pcm_substream *substream, int cmd)
|
||||
{
|
||||
struct ep93xx_runtime_data *rtd = substream->runtime->private_data;
|
||||
int ret;
|
||||
int i;
|
||||
|
||||
ret = 0;
|
||||
switch (cmd) {
|
||||
case SNDRV_PCM_TRIGGER_START:
|
||||
case SNDRV_PCM_TRIGGER_RESUME:
|
||||
case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
|
||||
rtd->pointer_bytes = 0;
|
||||
for (i = 0; i < rtd->periods; i++)
|
||||
ep93xx_dma_m2p_submit(&rtd->cl, rtd->buf + i);
|
||||
break;
|
||||
|
||||
case SNDRV_PCM_TRIGGER_STOP:
|
||||
case SNDRV_PCM_TRIGGER_SUSPEND:
|
||||
case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
|
||||
ep93xx_dma_m2p_flush(&rtd->cl);
|
||||
break;
|
||||
|
||||
default:
|
||||
ret = -EINVAL;
|
||||
break;
|
||||
}
|
||||
|
||||
return ret;
|
||||
}
|
||||
|
||||
static snd_pcm_uframes_t ep93xx_pcm_pointer(struct snd_pcm_substream *substream)
|
||||
{
|
||||
struct snd_pcm_runtime *runtime = substream->runtime;
|
||||
struct ep93xx_runtime_data *rtd = substream->runtime->private_data;
|
||||
|
||||
/* FIXME: implement this with sub-period granularity */
|
||||
return bytes_to_frames(runtime, rtd->pointer_bytes);
|
||||
}
|
||||
|
||||
static int ep93xx_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 ep93xx_pcm_ops = {
|
||||
.open = ep93xx_pcm_open,
|
||||
.close = ep93xx_pcm_close,
|
||||
.ioctl = snd_pcm_lib_ioctl,
|
||||
.hw_params = ep93xx_pcm_hw_params,
|
||||
.hw_free = ep93xx_pcm_hw_free,
|
||||
.trigger = ep93xx_pcm_trigger,
|
||||
.pointer = ep93xx_pcm_pointer,
|
||||
.mmap = ep93xx_pcm_mmap,
|
||||
};
|
||||
|
||||
static int ep93xx_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 = ep93xx_pcm_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);
|
||||
buf->bytes = size;
|
||||
|
||||
return (buf->area == NULL) ? -ENOMEM : 0;
|
||||
}
|
||||
|
||||
static void ep93xx_pcm_free_dma_buffers(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 u64 ep93xx_pcm_dmamask = 0xffffffff;
|
||||
|
||||
static int ep93xx_pcm_new(struct snd_card *card, struct snd_soc_dai *dai,
|
||||
struct snd_pcm *pcm)
|
||||
{
|
||||
int ret = 0;
|
||||
|
||||
if (!card->dev->dma_mask)
|
||||
card->dev->dma_mask = &ep93xx_pcm_dmamask;
|
||||
if (!card->dev->coherent_dma_mask)
|
||||
card->dev->coherent_dma_mask = 0xffffffff;
|
||||
|
||||
if (dai->playback.channels_min) {
|
||||
ret = ep93xx_pcm_preallocate_dma_buffer(pcm,
|
||||
SNDRV_PCM_STREAM_PLAYBACK);
|
||||
if (ret)
|
||||
return ret;
|
||||
}
|
||||
|
||||
if (dai->capture.channels_min) {
|
||||
ret = ep93xx_pcm_preallocate_dma_buffer(pcm,
|
||||
SNDRV_PCM_STREAM_CAPTURE);
|
||||
if (ret)
|
||||
return ret;
|
||||
}
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
struct snd_soc_platform ep93xx_soc_platform = {
|
||||
.name = "ep93xx-audio",
|
||||
.pcm_ops = &ep93xx_pcm_ops,
|
||||
.pcm_new = &ep93xx_pcm_new,
|
||||
.pcm_free = &ep93xx_pcm_free_dma_buffers,
|
||||
};
|
||||
EXPORT_SYMBOL_GPL(ep93xx_soc_platform);
|
||||
|
||||
static int __init ep93xx_soc_platform_init(void)
|
||||
{
|
||||
return snd_soc_register_platform(&ep93xx_soc_platform);
|
||||
}
|
||||
|
||||
static void __exit ep93xx_soc_platform_exit(void)
|
||||
{
|
||||
snd_soc_unregister_platform(&ep93xx_soc_platform);
|
||||
}
|
||||
|
||||
module_init(ep93xx_soc_platform_init);
|
||||
module_exit(ep93xx_soc_platform_exit);
|
||||
|
||||
MODULE_AUTHOR("Ryan Mallon <ryan@bluewatersys.com>");
|
||||
MODULE_DESCRIPTION("EP93xx ALSA PCM interface");
|
||||
MODULE_LICENSE("GPL");
|
22
sound/soc/ep93xx/ep93xx-pcm.h
Normal file
22
sound/soc/ep93xx/ep93xx-pcm.h
Normal file
@ -0,0 +1,22 @@
|
||||
/*
|
||||
* sound/soc/ep93xx/ep93xx-pcm.h - EP93xx ALSA PCM interface
|
||||
*
|
||||
* Copyright (C) 2006 Lennert Buytenhek <buytenh@wantstofly.org>
|
||||
* Copyright (C) 2006 Applied Data Systems
|
||||
*
|
||||
* 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 _EP93XX_SND_SOC_PCM_H
|
||||
#define _EP93XX_SND_SOC_PCM_H
|
||||
|
||||
struct ep93xx_pcm_dma_params {
|
||||
char *name;
|
||||
int dma_port;
|
||||
};
|
||||
|
||||
extern struct snd_soc_platform ep93xx_soc_platform;
|
||||
|
||||
#endif /* _EP93XX_SND_SOC_PCM_H */
|
@ -13,9 +13,27 @@ config SND_MXC_SOC_SSI
|
||||
|
||||
config SND_MXC_SOC_WM1133_EV1
|
||||
tristate "Audio on the the i.MX31ADS with WM1133-EV1 fitted"
|
||||
depends on SND_IMX_SOC && EXPERIMENTAL
|
||||
depends on SND_IMX_SOC && MACH_MX31ADS_WM1133_EV1 && EXPERIMENTAL
|
||||
select SND_SOC_WM8350
|
||||
select SND_MXC_SOC_SSI
|
||||
help
|
||||
Enable support for audio on the i.MX31ADS with the WM1133-EV1
|
||||
PMIC board with WM8835x fitted.
|
||||
|
||||
config SND_SOC_PHYCORE_AC97
|
||||
tristate "SoC Audio support for Phytec phyCORE (and phyCARD) boards"
|
||||
depends on MACH_PCM043 || MACH_PCA100
|
||||
select SND_MXC_SOC_SSI
|
||||
select SND_SOC_WM9712
|
||||
help
|
||||
Say Y if you want to add support for SoC audio on Phytec phyCORE
|
||||
and phyCARD boards in AC97 mode
|
||||
|
||||
config SND_SOC_EUKREA_TLV320
|
||||
bool "Eukrea TLV320"
|
||||
depends on MACH_EUKREA_MBIMX27_BASEBOARD
|
||||
select SND_IMX_SOC
|
||||
select SND_SOC_TLV320AIC23
|
||||
help
|
||||
Enable I2S based access to the TLV320AIC23B codec attached
|
||||
to the SSI4 interface
|
||||
|
@ -8,8 +8,10 @@ endif
|
||||
obj-$(CONFIG_SND_IMX_SOC) += snd-soc-imx.o
|
||||
|
||||
# i.MX Machine Support
|
||||
snd-soc-eukrea-tlv320-objs := eukrea-tlv320.o
|
||||
snd-soc-phycore-ac97-objs := phycore-ac97.o
|
||||
snd-soc-wm1133-ev1-objs := wm1133-ev1.o
|
||||
|
||||
obj-$(CONFIG_SND_SOC_EUKREA_TLV320) += snd-soc-eukrea-tlv320.o
|
||||
obj-$(CONFIG_SND_SOC_PHYCORE_AC97) += snd-soc-phycore-ac97.o
|
||||
obj-$(CONFIG_SND_MXC_SOC_WM1133_EV1) += snd-soc-wm1133-ev1.o
|
||||
|
135
sound/soc/imx/eukrea-tlv320.c
Normal file
135
sound/soc/imx/eukrea-tlv320.c
Normal file
@ -0,0 +1,135 @@
|
||||
/*
|
||||
* eukrea-tlv320.c -- SoC audio for eukrea_cpuimxXX in I2S mode
|
||||
*
|
||||
* Copyright 2010 Eric Bénard, Eukréa Electromatique <eric@eukrea.com>
|
||||
*
|
||||
* based on sound/soc/s3c24xx/s3c24xx_simtec_tlv320aic23.c
|
||||
* which is Copyright 2009 Simtec Electronics
|
||||
* and on sound/soc/imx/phycore-ac97.c which is
|
||||
* Copyright 2009 Sascha Hauer, Pengutronix <s.hauer@pengutronix.de>
|
||||
*
|
||||
* 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/i2c.h>
|
||||
#include <sound/core.h>
|
||||
#include <sound/pcm.h>
|
||||
#include <sound/soc.h>
|
||||
#include <sound/soc-dapm.h>
|
||||
#include <asm/mach-types.h>
|
||||
|
||||
#include "../codecs/tlv320aic23.h"
|
||||
#include "imx-ssi.h"
|
||||
|
||||
#define CODEC_CLOCK 12000000
|
||||
|
||||
static int eukrea_tlv320_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->dai->codec_dai;
|
||||
struct snd_soc_dai *cpu_dai = rtd->dai->cpu_dai;
|
||||
int ret;
|
||||
|
||||
ret = snd_soc_dai_set_fmt(cpu_dai, SND_SOC_DAIFMT_I2S |
|
||||
SND_SOC_DAIFMT_NB_NF |
|
||||
SND_SOC_DAIFMT_CBM_CFM);
|
||||
if (ret) {
|
||||
pr_err("%s: failed set cpu dai format\n", __func__);
|
||||
return ret;
|
||||
}
|
||||
|
||||
ret = snd_soc_dai_set_fmt(codec_dai, SND_SOC_DAIFMT_I2S |
|
||||
SND_SOC_DAIFMT_NB_NF |
|
||||
SND_SOC_DAIFMT_CBM_CFM);
|
||||
if (ret) {
|
||||
pr_err("%s: failed set codec dai format\n", __func__);
|
||||
return ret;
|
||||
}
|
||||
|
||||
ret = snd_soc_dai_set_sysclk(codec_dai, 0,
|
||||
CODEC_CLOCK, SND_SOC_CLOCK_OUT);
|
||||
if (ret) {
|
||||
pr_err("%s: failed setting codec sysclk\n", __func__);
|
||||
return ret;
|
||||
}
|
||||
|
||||
ret = snd_soc_dai_set_sysclk(cpu_dai, IMX_SSP_SYS_CLK, 0,
|
||||
SND_SOC_CLOCK_IN);
|
||||
if (ret) {
|
||||
pr_err("can't set CPU system clock IMX_SSP_SYS_CLK\n");
|
||||
return ret;
|
||||
}
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
static struct snd_soc_ops eukrea_tlv320_snd_ops = {
|
||||
.hw_params = eukrea_tlv320_hw_params,
|
||||
};
|
||||
|
||||
static struct snd_soc_dai_link eukrea_tlv320_dai = {
|
||||
.name = "tlv320aic23",
|
||||
.stream_name = "TLV320AIC23",
|
||||
.codec_dai = &tlv320aic23_dai,
|
||||
.ops = &eukrea_tlv320_snd_ops,
|
||||
};
|
||||
|
||||
static struct snd_soc_card eukrea_tlv320 = {
|
||||
.name = "cpuimx-audio",
|
||||
.platform = &imx_soc_platform,
|
||||
.dai_link = &eukrea_tlv320_dai,
|
||||
.num_links = 1,
|
||||
};
|
||||
|
||||
static struct snd_soc_device eukrea_tlv320_snd_devdata = {
|
||||
.card = &eukrea_tlv320,
|
||||
.codec_dev = &soc_codec_dev_tlv320aic23,
|
||||
};
|
||||
|
||||
static struct platform_device *eukrea_tlv320_snd_device;
|
||||
|
||||
static int __init eukrea_tlv320_init(void)
|
||||
{
|
||||
int ret;
|
||||
|
||||
if (!machine_is_eukrea_cpuimx27())
|
||||
/* return happy. We might run on a totally different machine */
|
||||
return 0;
|
||||
|
||||
eukrea_tlv320_snd_device = platform_device_alloc("soc-audio", -1);
|
||||
if (!eukrea_tlv320_snd_device)
|
||||
return -ENOMEM;
|
||||
|
||||
eukrea_tlv320_dai.cpu_dai = &imx_ssi_pcm_dai[0];
|
||||
|
||||
platform_set_drvdata(eukrea_tlv320_snd_device, &eukrea_tlv320_snd_devdata);
|
||||
eukrea_tlv320_snd_devdata.dev = &eukrea_tlv320_snd_device->dev;
|
||||
ret = platform_device_add(eukrea_tlv320_snd_device);
|
||||
|
||||
if (ret) {
|
||||
printk(KERN_ERR "ASoC: Platform device allocation failed\n");
|
||||
platform_device_put(eukrea_tlv320_snd_device);
|
||||
}
|
||||
|
||||
return ret;
|
||||
}
|
||||
|
||||
static void __exit eukrea_tlv320_exit(void)
|
||||
{
|
||||
platform_device_unregister(eukrea_tlv320_snd_device);
|
||||
}
|
||||
|
||||
module_init(eukrea_tlv320_init);
|
||||
module_exit(eukrea_tlv320_exit);
|
||||
|
||||
MODULE_AUTHOR("Eric Bénard <eric@eukrea.com>");
|
||||
MODULE_DESCRIPTION("CPUIMX ALSA SoC driver");
|
||||
MODULE_LICENSE("GPL");
|
@ -83,8 +83,6 @@ static int imx_ssi_set_dai_tdm_slot(struct snd_soc_dai *cpu_dai,
|
||||
/*
|
||||
* SSI DAI format configuration.
|
||||
* Should only be called when port is inactive (i.e. SSIEN = 0).
|
||||
* Note: We don't use the I2S modes but instead manually configure the
|
||||
* SSI for I2S because the I2S mode is only a register preset.
|
||||
*/
|
||||
static int imx_ssi_set_dai_fmt(struct snd_soc_dai *cpu_dai, unsigned int fmt)
|
||||
{
|
||||
@ -99,6 +97,10 @@ static int imx_ssi_set_dai_fmt(struct snd_soc_dai *cpu_dai, unsigned int fmt)
|
||||
/* data on rising edge of bclk, frame low 1clk before data */
|
||||
strcr |= SSI_STCR_TFSI | SSI_STCR_TEFS | SSI_STCR_TXBIT0;
|
||||
scr |= SSI_SCR_NET;
|
||||
if (ssi->flags & IMX_SSI_USE_I2S_SLAVE) {
|
||||
scr &= ~SSI_I2S_MODE_MASK;
|
||||
scr |= SSI_SCR_I2S_MODE_SLAVE;
|
||||
}
|
||||
break;
|
||||
case SND_SOC_DAIFMT_LEFT_J:
|
||||
/* data on rising edge of bclk, frame high with data */
|
||||
@ -143,6 +145,11 @@ static int imx_ssi_set_dai_fmt(struct snd_soc_dai *cpu_dai, unsigned int fmt)
|
||||
|
||||
strcr |= SSI_STCR_TFEN0;
|
||||
|
||||
if (ssi->flags & IMX_SSI_NET)
|
||||
scr |= SSI_SCR_NET;
|
||||
if (ssi->flags & IMX_SSI_SYN)
|
||||
scr |= SSI_SCR_SYN;
|
||||
|
||||
writel(strcr, ssi->base + SSI_STCR);
|
||||
writel(strcr, ssi->base + SSI_SRCR);
|
||||
writel(scr, ssi->base + SSI_SCR);
|
||||
|
@ -296,7 +296,6 @@ static int kirkwood_i2s_rec_trigger(struct snd_pcm_substream *substream,
|
||||
|
||||
default:
|
||||
return -EINVAL;
|
||||
break;
|
||||
}
|
||||
|
||||
return 0;
|
||||
|
@ -25,7 +25,7 @@
|
||||
|
||||
#include <mach/mfp.h>
|
||||
|
||||
#include "nuc900-auido.h"
|
||||
#include "nuc900-audio.h"
|
||||
|
||||
static DEFINE_MUTEX(ac97_mutex);
|
||||
struct nuc900_audio *nuc900_ac97_data;
|
||||
@ -66,9 +66,8 @@ static unsigned short nuc900_ac97_read(struct snd_ac97 *ac97,
|
||||
udelay(100);
|
||||
|
||||
/* polling the AC_R_FINISH */
|
||||
val = AUDIO_READ(nuc900_audio->mmio + ACTL_ACCON);
|
||||
val &= AC_R_FINISH;
|
||||
while (!val && timeout--)
|
||||
while (!(AUDIO_READ(nuc900_audio->mmio + ACTL_ACCON) & AC_R_FINISH)
|
||||
&& timeout--)
|
||||
mdelay(1);
|
||||
|
||||
if (!timeout) {
|
||||
@ -121,9 +120,8 @@ static void nuc900_ac97_write(struct snd_ac97 *ac97, unsigned short reg,
|
||||
udelay(100);
|
||||
|
||||
/* polling the AC_W_FINISH */
|
||||
tmp = AUDIO_READ(nuc900_audio->mmio + ACTL_ACCON);
|
||||
tmp &= AC_W_FINISH;
|
||||
while (tmp && timeout--)
|
||||
while ((AUDIO_READ(nuc900_audio->mmio + ACTL_ACCON) & AC_W_FINISH)
|
||||
&& timeout--)
|
||||
mdelay(1);
|
||||
|
||||
if (!timeout)
|
||||
@ -149,7 +147,7 @@ static void nuc900_ac97_warm_reset(struct snd_ac97 *ac97)
|
||||
val |= AC_W_RES;
|
||||
AUDIO_WRITE(nuc900_audio->mmio + ACTL_ACCON, val);
|
||||
|
||||
udelay(1000);
|
||||
udelay(100);
|
||||
|
||||
val = nuc900_checkready();
|
||||
if (!!val)
|
||||
@ -170,40 +168,30 @@ static void nuc900_ac97_cold_reset(struct snd_ac97 *ac97)
|
||||
val |= ACTL_RESET_BIT;
|
||||
AUDIO_WRITE(nuc900_audio->mmio + ACTL_RESET, val);
|
||||
|
||||
udelay(1000);
|
||||
|
||||
val = AUDIO_READ(nuc900_audio->mmio + ACTL_RESET);
|
||||
val &= (~ACTL_RESET_BIT);
|
||||
AUDIO_WRITE(nuc900_audio->mmio + ACTL_RESET, val);
|
||||
|
||||
udelay(1000);
|
||||
|
||||
/* reset AC-link interface */
|
||||
|
||||
val = AUDIO_READ(nuc900_audio->mmio + ACTL_RESET);
|
||||
val |= AC_RESET;
|
||||
AUDIO_WRITE(nuc900_audio->mmio + ACTL_RESET, val);
|
||||
|
||||
udelay(1000);
|
||||
|
||||
val = AUDIO_READ(nuc900_audio->mmio + ACTL_RESET);
|
||||
val &= ~AC_RESET;
|
||||
AUDIO_WRITE(nuc900_audio->mmio + ACTL_RESET, val);
|
||||
|
||||
udelay(1000);
|
||||
|
||||
/* cold reset AC 97 */
|
||||
val = AUDIO_READ(nuc900_audio->mmio + ACTL_ACCON);
|
||||
val |= AC_C_RES;
|
||||
AUDIO_WRITE(nuc900_audio->mmio + ACTL_ACCON, val);
|
||||
|
||||
udelay(1000);
|
||||
|
||||
val = AUDIO_READ(nuc900_audio->mmio + ACTL_ACCON);
|
||||
val &= (~AC_C_RES);
|
||||
AUDIO_WRITE(nuc900_audio->mmio + ACTL_ACCON, val);
|
||||
|
||||
udelay(1000);
|
||||
udelay(100);
|
||||
|
||||
mutex_unlock(&ac97_mutex);
|
||||
|
||||
@ -222,7 +210,7 @@ static int nuc900_ac97_trigger(struct snd_pcm_substream *substream,
|
||||
int cmd, struct snd_soc_dai *dai)
|
||||
{
|
||||
struct nuc900_audio *nuc900_audio = nuc900_ac97_data;
|
||||
int ret, stype = SUBSTREAM_TYPE(substream);
|
||||
int ret;
|
||||
unsigned long val, tmp;
|
||||
|
||||
ret = 0;
|
||||
@ -231,7 +219,7 @@ static int nuc900_ac97_trigger(struct snd_pcm_substream *substream,
|
||||
case SNDRV_PCM_TRIGGER_START:
|
||||
case SNDRV_PCM_TRIGGER_RESUME:
|
||||
val = AUDIO_READ(nuc900_audio->mmio + ACTL_RESET);
|
||||
if (PCM_TX == stype) {
|
||||
if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) {
|
||||
tmp = AUDIO_READ(nuc900_audio->mmio + ACTL_ACOS0);
|
||||
tmp |= (SLOT3_VALID | SLOT4_VALID | VALID_FRAME);
|
||||
AUDIO_WRITE(nuc900_audio->mmio + ACTL_ACOS0, tmp);
|
||||
@ -254,7 +242,7 @@ static int nuc900_ac97_trigger(struct snd_pcm_substream *substream,
|
||||
case SNDRV_PCM_TRIGGER_STOP:
|
||||
case SNDRV_PCM_TRIGGER_SUSPEND:
|
||||
val = AUDIO_READ(nuc900_audio->mmio + ACTL_RESET);
|
||||
if (PCM_TX == stype) {
|
||||
if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) {
|
||||
tmp = AUDIO_READ(nuc900_audio->mmio + ACTL_ACOS0);
|
||||
tmp &= ~(SLOT3_VALID | SLOT4_VALID);
|
||||
AUDIO_WRITE(nuc900_audio->mmio + ACTL_ACOS0, tmp);
|
||||
|
@ -96,10 +96,6 @@
|
||||
#define RESET_PRSR 0x00
|
||||
#define AUDIO_WRITE(addr, val) __raw_writel(val, addr)
|
||||
#define AUDIO_READ(addr) __raw_readl(addr)
|
||||
#define PCM_TX 0
|
||||
#define PCM_RX 1
|
||||
#define SUBSTREAM_TYPE(substream) \
|
||||
((substream)->stream == SNDRV_PCM_STREAM_PLAYBACK ? PCM_TX : PCM_RX)
|
||||
|
||||
struct nuc900_audio {
|
||||
void __iomem *mmio;
|
@ -47,7 +47,7 @@ static int nuc900_dma_hw_params(struct snd_pcm_substream *substream,
|
||||
{
|
||||
struct snd_pcm_runtime *runtime = substream->runtime;
|
||||
struct nuc900_audio *nuc900_audio = runtime->private_data;
|
||||
unsigned long flags, stype = SUBSTREAM_TYPE(substream);
|
||||
unsigned long flags;
|
||||
int ret = 0;
|
||||
|
||||
spin_lock_irqsave(&nuc900_audio->lock, flags);
|
||||
@ -57,8 +57,9 @@ static int nuc900_dma_hw_params(struct snd_pcm_substream *substream,
|
||||
return ret;
|
||||
|
||||
nuc900_audio->substream = substream;
|
||||
nuc900_audio->dma_addr[stype] = runtime->dma_addr;
|
||||
nuc900_audio->buffersize[stype] = params_buffer_bytes(params);
|
||||
nuc900_audio->dma_addr[substream->stream] = runtime->dma_addr;
|
||||
nuc900_audio->buffersize[substream->stream] =
|
||||
params_buffer_bytes(params);
|
||||
|
||||
spin_unlock_irqrestore(&nuc900_audio->lock, flags);
|
||||
|
||||
@ -72,7 +73,7 @@ static void nuc900_update_dma_register(struct snd_pcm_substream *substream,
|
||||
struct nuc900_audio *nuc900_audio = runtime->private_data;
|
||||
void __iomem *mmio_addr, *mmio_len;
|
||||
|
||||
if (SUBSTREAM_TYPE(substream) == PCM_TX) {
|
||||
if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) {
|
||||
mmio_addr = nuc900_audio->mmio + ACTL_PDSTB;
|
||||
mmio_len = nuc900_audio->mmio + ACTL_PDST_LENGTH;
|
||||
} else {
|
||||
@ -167,18 +168,19 @@ static int nuc900_dma_prepare(struct snd_pcm_substream *substream)
|
||||
{
|
||||
struct snd_pcm_runtime *runtime = substream->runtime;
|
||||
struct nuc900_audio *nuc900_audio = runtime->private_data;
|
||||
unsigned long flags, val, stype = SUBSTREAM_TYPE(substream);;
|
||||
unsigned long flags, val;
|
||||
|
||||
spin_lock_irqsave(&nuc900_audio->lock, flags);
|
||||
|
||||
nuc900_update_dma_register(substream,
|
||||
nuc900_audio->dma_addr[stype], nuc900_audio->buffersize[stype]);
|
||||
nuc900_audio->dma_addr[substream->stream],
|
||||
nuc900_audio->buffersize[substream->stream]);
|
||||
|
||||
val = AUDIO_READ(nuc900_audio->mmio + ACTL_RESET);
|
||||
|
||||
switch (runtime->channels) {
|
||||
case 1:
|
||||
if (PCM_TX == stype) {
|
||||
if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) {
|
||||
val &= ~(PLAY_LEFT_CHNNEL | PLAY_RIGHT_CHNNEL);
|
||||
val |= PLAY_RIGHT_CHNNEL;
|
||||
} else {
|
||||
@ -188,7 +190,7 @@ static int nuc900_dma_prepare(struct snd_pcm_substream *substream)
|
||||
AUDIO_WRITE(nuc900_audio->mmio + ACTL_RESET, val);
|
||||
break;
|
||||
case 2:
|
||||
if (PCM_TX == stype)
|
||||
if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
|
||||
val |= (PLAY_LEFT_CHNNEL | PLAY_RIGHT_CHNNEL);
|
||||
else
|
||||
val |= (RECORD_LEFT_CHNNEL | RECORD_RIGHT_CHNNEL);
|
||||
|
@ -31,7 +31,6 @@
|
||||
#define AC_CMD_DATA(x) (x & 0xffff)
|
||||
|
||||
struct s3c_ac97_info {
|
||||
unsigned state;
|
||||
struct clk *ac97_clk;
|
||||
void __iomem *regs;
|
||||
struct mutex lock;
|
||||
|
@ -451,16 +451,15 @@ static int __devinit s6000_i2s_probe(struct platform_device *pdev)
|
||||
goto err_release_none;
|
||||
}
|
||||
|
||||
region = request_mem_region(scbmem->start,
|
||||
scbmem->end - scbmem->start + 1,
|
||||
pdev->name);
|
||||
region = request_mem_region(scbmem->start, resource_size(scbmem),
|
||||
pdev->name);
|
||||
if (!region) {
|
||||
dev_err(&pdev->dev, "I2S SCB region already claimed\n");
|
||||
ret = -EBUSY;
|
||||
goto err_release_none;
|
||||
}
|
||||
|
||||
mmio = ioremap(scbmem->start, scbmem->end - scbmem->start + 1);
|
||||
mmio = ioremap(scbmem->start, resource_size(scbmem));
|
||||
if (!mmio) {
|
||||
dev_err(&pdev->dev, "can't ioremap SCB region\n");
|
||||
ret = -ENOMEM;
|
||||
@ -474,9 +473,8 @@ static int __devinit s6000_i2s_probe(struct platform_device *pdev)
|
||||
goto err_release_map;
|
||||
}
|
||||
|
||||
region = request_mem_region(sifmem->start,
|
||||
sifmem->end - sifmem->start + 1,
|
||||
pdev->name);
|
||||
region = request_mem_region(sifmem->start, resource_size(sifmem),
|
||||
pdev->name);
|
||||
if (!region) {
|
||||
dev_err(&pdev->dev, "I2S SIF region already claimed\n");
|
||||
ret = -EBUSY;
|
||||
@ -490,8 +488,8 @@ static int __devinit s6000_i2s_probe(struct platform_device *pdev)
|
||||
goto err_release_sif;
|
||||
}
|
||||
|
||||
region = request_mem_region(dma1->start, dma1->end - dma1->start + 1,
|
||||
pdev->name);
|
||||
region = request_mem_region(dma1->start, resource_size(dma1),
|
||||
pdev->name);
|
||||
if (!region) {
|
||||
dev_err(&pdev->dev, "I2S DMA region already claimed\n");
|
||||
ret = -EBUSY;
|
||||
@ -500,9 +498,8 @@ static int __devinit s6000_i2s_probe(struct platform_device *pdev)
|
||||
|
||||
dma2 = platform_get_resource(pdev, IORESOURCE_DMA, 1);
|
||||
if (dma2) {
|
||||
region = request_mem_region(dma2->start,
|
||||
dma2->end - dma2->start + 1,
|
||||
pdev->name);
|
||||
region = request_mem_region(dma2->start, resource_size(dma2),
|
||||
pdev->name);
|
||||
if (!region) {
|
||||
dev_err(&pdev->dev,
|
||||
"I2S DMA region already claimed\n");
|
||||
@ -561,15 +558,15 @@ err_release_dev:
|
||||
kfree(dev);
|
||||
err_release_dma2:
|
||||
if (dma2)
|
||||
release_mem_region(dma2->start, dma2->end - dma2->start + 1);
|
||||
release_mem_region(dma2->start, resource_size(dma2));
|
||||
err_release_dma1:
|
||||
release_mem_region(dma1->start, dma1->end - dma1->start + 1);
|
||||
release_mem_region(dma1->start, resource_size(dma1));
|
||||
err_release_sif:
|
||||
release_mem_region(sifmem->start, (sifmem->end - sifmem->start) + 1);
|
||||
release_mem_region(sifmem->start, resource_size(sifmem));
|
||||
err_release_map:
|
||||
iounmap(mmio);
|
||||
err_release_scb:
|
||||
release_mem_region(scbmem->start, (scbmem->end - scbmem->start) + 1);
|
||||
release_mem_region(scbmem->start, resource_size(scbmem));
|
||||
err_release_none:
|
||||
return ret;
|
||||
}
|
||||
@ -590,19 +587,18 @@ static void __devexit s6000_i2s_remove(struct platform_device *pdev)
|
||||
kfree(dev);
|
||||
|
||||
region = platform_get_resource(pdev, IORESOURCE_DMA, 0);
|
||||
release_mem_region(region->start, region->end - region->start + 1);
|
||||
release_mem_region(region->start, resource_size(region));
|
||||
|
||||
region = platform_get_resource(pdev, IORESOURCE_DMA, 1);
|
||||
if (region)
|
||||
release_mem_region(region->start,
|
||||
region->end - region->start + 1);
|
||||
release_mem_region(region->start, resource_size(region));
|
||||
|
||||
region = platform_get_resource(pdev, IORESOURCE_MEM, 0);
|
||||
release_mem_region(region->start, (region->end - region->start) + 1);
|
||||
release_mem_region(region->start, resource_size(region));
|
||||
|
||||
iounmap(mmio);
|
||||
region = platform_get_resource(pdev, IORESOURCE_IO, 0);
|
||||
release_mem_region(region->start, (region->end - region->start) + 1);
|
||||
release_mem_region(region->start, resource_size(region));
|
||||
}
|
||||
|
||||
static struct platform_driver s6000_i2s_driver = {
|
||||
|
Loading…
Reference in New Issue
Block a user