ASoC: Samsung: Rename PCM driver

Rename Samsung PCM Controller driver
	s3c-pcm.[c/h] -> pcm.[c/h]

Signed-off-by: Jassi Brar <jassi.brar@samsung.com>
Acked-by: Liam Girdwood <lrg@slimlogic.co.uk>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>

1 files changed, 0 insertions, 552 deletions

diff --git a/sound/soc/s3c24xx/s3c-pcm.c b/sound/soc/s3c24xx/s3c-pcm.c
deleted file mode 100644
index e111d23f888..00000000000
--- a/sound/soc/s3c24xx/s3c-pcm.c
+++ /dev/null
@@ -1,552 +0,0 @@
-/* sound/soc/s3c24xx/s3c-pcm.c
- *
- * ALSA SoC Audio Layer - S3C PCM-Controller driver
- *
- * Copyright (c) 2009 Samsung Electronics Co. Ltd
- * Author: Jaswinder Singh <jassi.brar@samsung.com>
- * based upon I2S drivers by Ben Dooks.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
- */
-
-#include <linux/init.h>
-#include <linux/module.h>
-#include <linux/device.h>
-#include <linux/delay.h>
-#include <linux/clk.h>
-#include <linux/kernel.h>
-#include <linux/gpio.h>
-#include <linux/io.h>
-
-#include <sound/core.h>
-#include <sound/pcm.h>
-#include <sound/pcm_params.h>
-#include <sound/initval.h>
-#include <sound/soc.h>
-
-#include <plat/audio.h>
-#include <plat/dma.h>
-
-#include "dma.h"
-#include "s3c-pcm.h"
-
-static struct s3c2410_dma_client s3c_pcm_dma_client_out = {
-	.name		= "PCM Stereo out"
-};
-
-static struct s3c2410_dma_client s3c_pcm_dma_client_in = {
-	.name		= "PCM Stereo in"
-};
-
-static struct s3c_dma_params s3c_pcm_stereo_out[] = {
-	[0] = {
-		.client		= &s3c_pcm_dma_client_out,
-		.dma_size	= 4,
-	},
-	[1] = {
-		.client		= &s3c_pcm_dma_client_out,
-		.dma_size	= 4,
-	},
-};
-
-static struct s3c_dma_params s3c_pcm_stereo_in[] = {
-	[0] = {
-		.client		= &s3c_pcm_dma_client_in,
-		.dma_size	= 4,
-	},
-	[1] = {
-		.client		= &s3c_pcm_dma_client_in,
-		.dma_size	= 4,
-	},
-};
-
-static struct s3c_pcm_info s3c_pcm[2];
-
-static void s3c_pcm_snd_txctrl(struct s3c_pcm_info *pcm, int on)
-{
-	void __iomem *regs = pcm->regs;
-	u32 ctl, clkctl;
-
-	clkctl = readl(regs + S3C_PCM_CLKCTL);
-	ctl = readl(regs + S3C_PCM_CTL);
-	ctl &= ~(S3C_PCM_CTL_TXDIPSTICK_MASK
-			 << S3C_PCM_CTL_TXDIPSTICK_SHIFT);
-
-	if (on) {
-		ctl |= S3C_PCM_CTL_TXDMA_EN;
-		ctl |= S3C_PCM_CTL_TXFIFO_EN;
-		ctl |= S3C_PCM_CTL_ENABLE;
-		ctl |= (0x4<<S3C_PCM_CTL_TXDIPSTICK_SHIFT);
-		clkctl |= S3C_PCM_CLKCTL_SERCLK_EN;
-	} else {
-		ctl &= ~S3C_PCM_CTL_TXDMA_EN;
-		ctl &= ~S3C_PCM_CTL_TXFIFO_EN;
-
-		if (!(ctl & S3C_PCM_CTL_RXFIFO_EN)) {
-			ctl &= ~S3C_PCM_CTL_ENABLE;
-			if (!pcm->idleclk)
-				clkctl |= S3C_PCM_CLKCTL_SERCLK_EN;
-		}
-	}
-
-	writel(clkctl, regs + S3C_PCM_CLKCTL);
-	writel(ctl, regs + S3C_PCM_CTL);
-}
-
-static void s3c_pcm_snd_rxctrl(struct s3c_pcm_info *pcm, int on)
-{
-	void __iomem *regs = pcm->regs;
-	u32 ctl, clkctl;
-
-	ctl = readl(regs + S3C_PCM_CTL);
-	clkctl = readl(regs + S3C_PCM_CLKCTL);
-	ctl &= ~(S3C_PCM_CTL_RXDIPSTICK_MASK
-			 << S3C_PCM_CTL_RXDIPSTICK_SHIFT);
-
-	if (on) {
-		ctl |= S3C_PCM_CTL_RXDMA_EN;
-		ctl |= S3C_PCM_CTL_RXFIFO_EN;
-		ctl |= S3C_PCM_CTL_ENABLE;
-		ctl |= (0x20<<S3C_PCM_CTL_RXDIPSTICK_SHIFT);
-		clkctl |= S3C_PCM_CLKCTL_SERCLK_EN;
-	} else {
-		ctl &= ~S3C_PCM_CTL_RXDMA_EN;
-		ctl &= ~S3C_PCM_CTL_RXFIFO_EN;
-
-		if (!(ctl & S3C_PCM_CTL_TXFIFO_EN)) {
-			ctl &= ~S3C_PCM_CTL_ENABLE;
-			if (!pcm->idleclk)
-				clkctl |= S3C_PCM_CLKCTL_SERCLK_EN;
-		}
-	}
-
-	writel(clkctl, regs + S3C_PCM_CLKCTL);
-	writel(ctl, regs + S3C_PCM_CTL);
-}
-
-static int s3c_pcm_trigger(struct snd_pcm_substream *substream, int cmd,
-			       struct snd_soc_dai *dai)
-{
-	struct snd_soc_pcm_runtime *rtd = substream->private_data;
-	struct s3c_pcm_info *pcm = snd_soc_dai_get_drvdata(rtd->cpu_dai);
-	unsigned long flags;
-
-	dev_dbg(pcm->dev, "Entered %s\n", __func__);
-
-	switch (cmd) {
-	case SNDRV_PCM_TRIGGER_START:
-	case SNDRV_PCM_TRIGGER_RESUME:
-	case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
-		spin_lock_irqsave(&pcm->lock, flags);
-
-		if (substream->stream == SNDRV_PCM_STREAM_CAPTURE)
-			s3c_pcm_snd_rxctrl(pcm, 1);
-		else
-			s3c_pcm_snd_txctrl(pcm, 1);
-
-		spin_unlock_irqrestore(&pcm->lock, flags);
-		break;
-
-	case SNDRV_PCM_TRIGGER_STOP:
-	case SNDRV_PCM_TRIGGER_SUSPEND:
-	case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
-		spin_lock_irqsave(&pcm->lock, flags);
-
-		if (substream->stream == SNDRV_PCM_STREAM_CAPTURE)
-			s3c_pcm_snd_rxctrl(pcm, 0);
-		else
-			s3c_pcm_snd_txctrl(pcm, 0);
-
-		spin_unlock_irqrestore(&pcm->lock, flags);
-		break;
-
-	default:
-		return -EINVAL;
-	}
-
-	return 0;
-}
-
-static int s3c_pcm_hw_params(struct snd_pcm_substream *substream,
-				 struct snd_pcm_hw_params *params,
-				 struct snd_soc_dai *socdai)
-{
-	struct snd_soc_pcm_runtime *rtd = substream->private_data;
-	struct s3c_pcm_info *pcm = snd_soc_dai_get_drvdata(rtd->cpu_dai);
-	struct s3c_dma_params *dma_data;
-	void __iomem *regs = pcm->regs;
-	struct clk *clk;
-	int sclk_div, sync_div;
-	unsigned long flags;
-	u32 clkctl;
-
-	dev_dbg(pcm->dev, "Entered %s\n", __func__);
-
-	if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
-		dma_data = pcm->dma_playback;
-	else
-		dma_data = pcm->dma_capture;
-
-	snd_soc_dai_set_dma_data(rtd->cpu_dai, substream, dma_data);
-
-	/* Strictly check for sample size */
-	switch (params_format(params)) {
-	case SNDRV_PCM_FORMAT_S16_LE:
-		break;
-	default:
-		return -EINVAL;
-	}
-
-	spin_lock_irqsave(&pcm->lock, flags);
-
-	/* Get hold of the PCMSOURCE_CLK */
-	clkctl = readl(regs + S3C_PCM_CLKCTL);
-	if (clkctl & S3C_PCM_CLKCTL_SERCLKSEL_PCLK)
-		clk = pcm->pclk;
-	else
-		clk = pcm->cclk;
-
-	/* Set the SCLK divider */
-	sclk_div = clk_get_rate(clk) / pcm->sclk_per_fs /
-					params_rate(params) / 2 - 1;
-
-	clkctl &= ~(S3C_PCM_CLKCTL_SCLKDIV_MASK
-			<< S3C_PCM_CLKCTL_SCLKDIV_SHIFT);
-	clkctl |= ((sclk_div & S3C_PCM_CLKCTL_SCLKDIV_MASK)
-			<< S3C_PCM_CLKCTL_SCLKDIV_SHIFT);
-
-	/* Set the SYNC divider */
-	sync_div = pcm->sclk_per_fs - 1;
-
-	clkctl &= ~(S3C_PCM_CLKCTL_SYNCDIV_MASK
-				<< S3C_PCM_CLKCTL_SYNCDIV_SHIFT);
-	clkctl |= ((sync_div & S3C_PCM_CLKCTL_SYNCDIV_MASK)
-				<< S3C_PCM_CLKCTL_SYNCDIV_SHIFT);
-
-	writel(clkctl, regs + S3C_PCM_CLKCTL);
-
-	spin_unlock_irqrestore(&pcm->lock, flags);
-
-	dev_dbg(pcm->dev, "PCMSOURCE_CLK-%lu SCLK=%ufs SCLK_DIV=%d SYNC_DIV=%d\n",
-				clk_get_rate(clk), pcm->sclk_per_fs,
-				sclk_div, sync_div);
-
-	return 0;
-}
-
-static int s3c_pcm_set_fmt(struct snd_soc_dai *cpu_dai,
-			       unsigned int fmt)
-{
-	struct s3c_pcm_info *pcm = snd_soc_dai_get_drvdata(cpu_dai);
-	void __iomem *regs = pcm->regs;
-	unsigned long flags;
-	int ret = 0;
-	u32 ctl;
-
-	dev_dbg(pcm->dev, "Entered %s\n", __func__);
-
-	spin_lock_irqsave(&pcm->lock, flags);
-
-	ctl = readl(regs + S3C_PCM_CTL);
-
-	switch (fmt & SND_SOC_DAIFMT_INV_MASK) {
-	case SND_SOC_DAIFMT_NB_NF:
-		/* Nothing to do, NB_NF by default */
-		break;
-	default:
-		dev_err(pcm->dev, "Unsupported clock inversion!\n");
-		ret = -EINVAL;
-		goto exit;
-	}
-
-	switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) {
-	case SND_SOC_DAIFMT_CBS_CFS:
-		/* Nothing to do, Master by default */
-		break;
-	default:
-		dev_err(pcm->dev, "Unsupported master/slave format!\n");
-		ret = -EINVAL;
-		goto exit;
-	}
-
-	switch (fmt & SND_SOC_DAIFMT_CLOCK_MASK) {
-	case SND_SOC_DAIFMT_CONT:
-		pcm->idleclk = 1;
-		break;
-	case SND_SOC_DAIFMT_GATED:
-		pcm->idleclk = 0;
-		break;
-	default:
-		dev_err(pcm->dev, "Invalid Clock gating request!\n");
-		ret = -EINVAL;
-		goto exit;
-	}
-
-	switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
-	case SND_SOC_DAIFMT_DSP_A:
-		ctl |= S3C_PCM_CTL_TXMSB_AFTER_FSYNC;
-		ctl |= S3C_PCM_CTL_RXMSB_AFTER_FSYNC;
-		break;
-	case SND_SOC_DAIFMT_DSP_B:
-		ctl &= ~S3C_PCM_CTL_TXMSB_AFTER_FSYNC;
-		ctl &= ~S3C_PCM_CTL_RXMSB_AFTER_FSYNC;
-		break;
-	default:
-		dev_err(pcm->dev, "Unsupported data format!\n");
-		ret = -EINVAL;
-		goto exit;
-	}
-
-	writel(ctl, regs + S3C_PCM_CTL);
-
-exit:
-	spin_unlock_irqrestore(&pcm->lock, flags);
-
-	return ret;
-}
-
-static int s3c_pcm_set_clkdiv(struct snd_soc_dai *cpu_dai,
-						int div_id, int div)
-{
-	struct s3c_pcm_info *pcm = snd_soc_dai_get_drvdata(cpu_dai);
-
-	switch (div_id) {
-	case S3C_PCM_SCLK_PER_FS:
-		pcm->sclk_per_fs = div;
-		break;
-
-	default:
-		return -EINVAL;
-	}
-
-	return 0;
-}
-
-static int s3c_pcm_set_sysclk(struct snd_soc_dai *cpu_dai,
-				  int clk_id, unsigned int freq, int dir)
-{
-	struct s3c_pcm_info *pcm = snd_soc_dai_get_drvdata(cpu_dai);
-	void __iomem *regs = pcm->regs;
-	u32 clkctl = readl(regs + S3C_PCM_CLKCTL);
-
-	switch (clk_id) {
-	case S3C_PCM_CLKSRC_PCLK:
-		clkctl |= S3C_PCM_CLKCTL_SERCLKSEL_PCLK;
-		break;
-
-	case S3C_PCM_CLKSRC_MUX:
-		clkctl &= ~S3C_PCM_CLKCTL_SERCLKSEL_PCLK;
-
-		if (clk_get_rate(pcm->cclk) != freq)
-			clk_set_rate(pcm->cclk, freq);
-
-		break;
-
-	default:
-		return -EINVAL;
-	}
-
-	writel(clkctl, regs + S3C_PCM_CLKCTL);
-
-	return 0;
-}
-
-static struct snd_soc_dai_ops s3c_pcm_dai_ops = {
-	.set_sysclk	= s3c_pcm_set_sysclk,
-	.set_clkdiv	= s3c_pcm_set_clkdiv,
-	.trigger	= s3c_pcm_trigger,
-	.hw_params	= s3c_pcm_hw_params,
-	.set_fmt	= s3c_pcm_set_fmt,
-};
-
-#define S3C_PCM_RATES  SNDRV_PCM_RATE_8000_96000
-
-#define S3C_PCM_DAI_DECLARE			\
-	.symmetric_rates = 1,					\
-	.ops = &s3c_pcm_dai_ops,				\
-	.playback = {						\
-		.channels_min	= 2,				\
-		.channels_max	= 2,				\
-		.rates		= S3C_PCM_RATES,		\
-		.formats	= SNDRV_PCM_FMTBIT_S16_LE,	\
-	},							\
-	.capture = {						\
-		.channels_min	= 2,				\
-		.channels_max	= 2,				\
-		.rates		= S3C_PCM_RATES,		\
-		.formats	= SNDRV_PCM_FMTBIT_S16_LE,	\
-	}
-
-struct snd_soc_dai_driver s3c_pcm_dai[] = {
-	[0] = {
-		.name	= "samsung-pcm.0",
-		S3C_PCM_DAI_DECLARE,
-	},
-	[1] = {
-		.name	= "samsung-pcm.1",
-		S3C_PCM_DAI_DECLARE,
-	},
-};
-EXPORT_SYMBOL_GPL(s3c_pcm_dai);
-
-static __devinit int s3c_pcm_dev_probe(struct platform_device *pdev)
-{
-	struct s3c_pcm_info *pcm;
-	struct resource *mem_res, *dmatx_res, *dmarx_res;
-	struct s3c_audio_pdata *pcm_pdata;
-	int ret;
-
-	/* Check for valid device index */
-	if ((pdev->id < 0) || pdev->id >= ARRAY_SIZE(s3c_pcm)) {
-		dev_err(&pdev->dev, "id %d out of range\n", pdev->id);
-		return -EINVAL;
-	}
-
-	pcm_pdata = pdev->dev.platform_data;
-
-	/* Check for availability of necessary resource */
-	dmatx_res = platform_get_resource(pdev, IORESOURCE_DMA, 0);
-	if (!dmatx_res) {
-		dev_err(&pdev->dev, "Unable to get PCM-TX dma resource\n");
-		return -ENXIO;
-	}
-
-	dmarx_res = platform_get_resource(pdev, IORESOURCE_DMA, 1);
-	if (!dmarx_res) {
-		dev_err(&pdev->dev, "Unable to get PCM-RX dma resource\n");
-		return -ENXIO;
-	}
-
-	mem_res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
-	if (!mem_res) {
-		dev_err(&pdev->dev, "Unable to get register resource\n");
-		return -ENXIO;
-	}
-
-	if (pcm_pdata && pcm_pdata->cfg_gpio && pcm_pdata->cfg_gpio(pdev)) {
-		dev_err(&pdev->dev, "Unable to configure gpio\n");
-		return -EINVAL;
-	}
-
-	pcm = &s3c_pcm[pdev->id];
-	pcm->dev = &pdev->dev;
-
-	spin_lock_init(&pcm->lock);
-
-	/* Default is 128fs */
-	pcm->sclk_per_fs = 128;
-
-	pcm->cclk = clk_get(&pdev->dev, "audio-bus");
-	if (IS_ERR(pcm->cclk)) {
-		dev_err(&pdev->dev, "failed to get audio-bus\n");
-		ret = PTR_ERR(pcm->cclk);
-		goto err1;
-	}
-	clk_enable(pcm->cclk);
-
-	/* record our pcm structure for later use in the callbacks */
-	dev_set_drvdata(&pdev->dev, pcm);
-
-	if (!request_mem_region(mem_res->start,
-				resource_size(mem_res), "samsung-pcm")) {
-		dev_err(&pdev->dev, "Unable to request register region\n");
-		ret = -EBUSY;
-		goto err2;
-	}
-
-	pcm->regs = ioremap(mem_res->start, 0x100);
-	if (pcm->regs == NULL) {
-		dev_err(&pdev->dev, "cannot ioremap registers\n");
-		ret = -ENXIO;
-		goto err3;
-	}
-
-	pcm->pclk = clk_get(&pdev->dev, "pcm");
-	if (IS_ERR(pcm->pclk)) {
-		dev_err(&pdev->dev, "failed to get pcm_clock\n");
-		ret = -ENOENT;
-		goto err4;
-	}
-	clk_enable(pcm->pclk);
-
-	ret = snd_soc_register_dai(&pdev->dev, &s3c_pcm_dai[pdev->id]);
-	if (ret != 0) {
-		dev_err(&pdev->dev, "failed to get pcm_clock\n");
-		goto err5;
-	}
-
-	s3c_pcm_stereo_in[pdev->id].dma_addr = mem_res->start
-							+ S3C_PCM_RXFIFO;
-	s3c_pcm_stereo_out[pdev->id].dma_addr = mem_res->start
-							+ S3C_PCM_TXFIFO;
-
-	s3c_pcm_stereo_in[pdev->id].channel = dmarx_res->start;
-	s3c_pcm_stereo_out[pdev->id].channel = dmatx_res->start;
-
-	pcm->dma_capture = &s3c_pcm_stereo_in[pdev->id];
-	pcm->dma_playback = &s3c_pcm_stereo_out[pdev->id];
-
-	return 0;
-
-err5:
-	clk_disable(pcm->pclk);
-	clk_put(pcm->pclk);
-err4:
-	iounmap(pcm->regs);
-err3:
-	release_mem_region(mem_res->start, resource_size(mem_res));
-err2:
-	clk_disable(pcm->cclk);
-	clk_put(pcm->cclk);
-err1:
-	return ret;
-}
-
-static __devexit int s3c_pcm_dev_remove(struct platform_device *pdev)
-{
-	struct s3c_pcm_info *pcm = &s3c_pcm[pdev->id];
-	struct resource *mem_res;
-
-	snd_soc_unregister_dai(&pdev->dev);
-
-	iounmap(pcm->regs);
-
-	mem_res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
-	release_mem_region(mem_res->start, resource_size(mem_res));
-
-	clk_disable(pcm->cclk);
-	clk_disable(pcm->pclk);
-	clk_put(pcm->pclk);
-	clk_put(pcm->cclk);
-
-	return 0;
-}
-
-static struct platform_driver s3c_pcm_driver = {
-	.probe  = s3c_pcm_dev_probe,
-	.remove = s3c_pcm_dev_remove,
-	.driver = {
-		.name = "samsung-pcm",
-		.owner = THIS_MODULE,
-	},
-};
-
-static int __init s3c_pcm_init(void)
-{
-	return platform_driver_register(&s3c_pcm_driver);
-}
-module_init(s3c_pcm_init);
-
-static void __exit s3c_pcm_exit(void)
-{
-	platform_driver_unregister(&s3c_pcm_driver);
-}
-module_exit(s3c_pcm_exit);
-
-/* Module information */
-MODULE_AUTHOR("Jaswinder Singh, <jassi.brar@samsung.com>");
-MODULE_DESCRIPTION("S3C PCM Controller Driver");
-MODULE_LICENSE("GPL");
-MODULE_ALIAS("platform:samsung-pcm");