ASoC: txx9: Remove driver

CPU support for TX49xx is getting removed, so remove sound support for it.
Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
Link: https://lore.kernel.org/r/20210105140305.141401-11-tsbogend@alpha.franken.deSigned-off-by: Mark Brown <broonie@kernel.org>

sound/soc/Kconfig

@@ -71,7 +71,6 @@ source "sound/soc/stm/Kconfig"
 source "sound/soc/sunxi/Kconfig"
 source "sound/soc/tegra/Kconfig"
 source "sound/soc/ti/Kconfig"
-source "sound/soc/txx9/Kconfig"
 source "sound/soc/uniphier/Kconfig"
 source "sound/soc/ux500/Kconfig"
 source "sound/soc/xilinx/Kconfig"

sound/soc/Makefile

@@ -54,7 +54,6 @@ obj-$(CONFIG_SND_SOC)	+= stm/
 obj-$(CONFIG_SND_SOC)	+= sunxi/
 obj-$(CONFIG_SND_SOC)	+= tegra/
 obj-$(CONFIG_SND_SOC)	+= ti/
-obj-$(CONFIG_SND_SOC)	+= txx9/
 obj-$(CONFIG_SND_SOC)	+= uniphier/
 obj-$(CONFIG_SND_SOC)	+= ux500/
 obj-$(CONFIG_SND_SOC)	+= xilinx/

sound/soc/txx9/Kconfig

-# SPDX-License-Identifier: GPL-2.0-only
-##
-## TXx9 ACLC
-##
-config SND_SOC_TXX9ACLC
-	tristate "SoC Audio for TXx9"
-	depends on HAS_TXX9_ACLC && TXX9_DMAC
-	help
-	  This option enables support for the AC Link Controllers in TXx9 SoC.
-
-config HAS_TXX9_ACLC
-	bool
-
-config SND_SOC_TXX9ACLC_AC97
-	tristate
-	select AC97_BUS
-	select SND_AC97_CODEC
-	select SND_SOC_AC97_BUS
-
-
-##
-## Boards
-##
-config SND_SOC_TXX9ACLC_GENERIC
-	tristate "Generic TXx9 ACLC sound machine"
-	depends on SND_SOC_TXX9ACLC
-	select SND_SOC_TXX9ACLC_AC97
-	select SND_SOC_AC97_CODEC
-	help
-	  This is a generic AC97 sound machine for use in TXx9 based systems.

sound/soc/txx9/Makefile

-# SPDX-License-Identifier: GPL-2.0
-# Platform
-snd-soc-txx9aclc-objs := txx9aclc.o
-snd-soc-txx9aclc-ac97-objs := txx9aclc-ac97.o
-
-obj-$(CONFIG_SND_SOC_TXX9ACLC) += snd-soc-txx9aclc.o
-obj-$(CONFIG_SND_SOC_TXX9ACLC_AC97) += snd-soc-txx9aclc-ac97.o
-
-# Machine
-snd-soc-txx9aclc-generic-objs := txx9aclc-generic.o
-
-obj-$(CONFIG_SND_SOC_TXX9ACLC_GENERIC) += snd-soc-txx9aclc-generic.o

sound/soc/txx9/txx9aclc-ac97.c

-// SPDX-License-Identifier: GPL-2.0-only
-/*
- * TXx9 ACLC AC97 driver
- *
- * Copyright (C) 2009 Atsushi Nemoto
- *
- * Based on RBTX49xx patch from CELF patch archive.
- * (C) Copyright TOSHIBA CORPORATION 2004-2006
- */
-
-#include <linux/init.h>
-#include <linux/module.h>
-#include <linux/delay.h>
-#include <linux/interrupt.h>
-#include <linux/io.h>
-#include <linux/gfp.h>
-#include <asm/mach-tx39xx/ioremap.h> /* for TXX9_DIRECTMAP_BASE */
-#include <sound/core.h>
-#include <sound/pcm.h>
-#include <sound/soc.h>
-#include "txx9aclc.h"
-
-#define AC97_DIR	\
-	(SND_SOC_DAIDIR_PLAYBACK | SND_SOC_DAIDIR_CAPTURE)
-
-#define AC97_RATES	\
-	SNDRV_PCM_RATE_8000_48000
-
-#ifdef __BIG_ENDIAN
-#define AC97_FMTS	SNDRV_PCM_FMTBIT_S16_BE
-#else
-#define AC97_FMTS	SNDRV_PCM_FMTBIT_S16_LE
-#endif
-
-static DECLARE_WAIT_QUEUE_HEAD(ac97_waitq);
-
-/* REVISIT: How to find txx9aclc_drvdata from snd_ac97? */
-static struct txx9aclc_plat_drvdata *txx9aclc_drvdata;
-
-static int txx9aclc_regready(struct txx9aclc_plat_drvdata *drvdata)
-{
-	return __raw_readl(drvdata->base + ACINTSTS) & ACINT_REGACCRDY;
-}
-
-/* AC97 controller reads codec register */
-static unsigned short txx9aclc_ac97_read(struct snd_ac97 *ac97,
-					 unsigned short reg)
-{
-	struct txx9aclc_plat_drvdata *drvdata = txx9aclc_drvdata;
-	void __iomem *base = drvdata->base;
-	u32 dat;
-
-	if (!(__raw_readl(base + ACINTSTS) & ACINT_CODECRDY(ac97->num)))
-		return 0xffff;
-	reg |= ac97->num << 7;
-	dat = (reg << ACREGACC_REG_SHIFT) | ACREGACC_READ;
-	__raw_writel(dat, base + ACREGACC);
-	__raw_writel(ACINT_REGACCRDY, base + ACINTEN);
-	if (!wait_event_timeout(ac97_waitq, txx9aclc_regready(txx9aclc_drvdata), HZ)) {
-		__raw_writel(ACINT_REGACCRDY, base + ACINTDIS);
-		printk(KERN_ERR "ac97 read timeout (reg %#x)\n", reg);
-		dat = 0xffff;
-		goto done;
-	}
-	dat = __raw_readl(base + ACREGACC);
-	if (((dat >> ACREGACC_REG_SHIFT) & 0xff) != reg) {
-		printk(KERN_ERR "reg mismatch %x with %x\n",
-			dat, reg);
-		dat = 0xffff;
-		goto done;
-	}
-	dat = (dat >> ACREGACC_DAT_SHIFT) & 0xffff;
-done:
-	__raw_writel(ACINT_REGACCRDY, base + ACINTDIS);
-	return dat;
-}
-
-/* AC97 controller writes to codec register */
-static void txx9aclc_ac97_write(struct snd_ac97 *ac97, unsigned short reg,
-				unsigned short val)
-{
-	struct txx9aclc_plat_drvdata *drvdata = txx9aclc_drvdata;
-	void __iomem *base = drvdata->base;
-
-	__raw_writel(((reg | (ac97->num << 7)) << ACREGACC_REG_SHIFT) |
-		     (val << ACREGACC_DAT_SHIFT),
-		     base + ACREGACC);
-	__raw_writel(ACINT_REGACCRDY, base + ACINTEN);
-	if (!wait_event_timeout(ac97_waitq, txx9aclc_regready(txx9aclc_drvdata), HZ)) {
-		printk(KERN_ERR
-			"ac97 write timeout (reg %#x)\n", reg);
-	}
-	__raw_writel(ACINT_REGACCRDY, base + ACINTDIS);
-}
-
-static void txx9aclc_ac97_cold_reset(struct snd_ac97 *ac97)
-{
-	struct txx9aclc_plat_drvdata *drvdata = txx9aclc_drvdata;
-	void __iomem *base = drvdata->base;
-	u32 ready = ACINT_CODECRDY(ac97->num) | ACINT_REGACCRDY;
-
-	__raw_writel(ACCTL_ENLINK, base + ACCTLDIS);
-	udelay(1);
-	__raw_writel(ACCTL_ENLINK, base + ACCTLEN);
-	/* wait for primary codec ready status */
-	__raw_writel(ready, base + ACINTEN);
-	if (!wait_event_timeout(ac97_waitq,
-				(__raw_readl(base + ACINTSTS) & ready) == ready,
-				HZ)) {
-		dev_err(&ac97->dev, "primary codec is not ready "
-			"(status %#x)\n",
-			__raw_readl(base + ACINTSTS));
-	}
-	__raw_writel(ACINT_REGACCRDY, base + ACINTSTS);
-	__raw_writel(ready, base + ACINTDIS);
-}
-
-/* AC97 controller operations */
-static struct snd_ac97_bus_ops txx9aclc_ac97_ops = {
-	.read		= txx9aclc_ac97_read,
-	.write		= txx9aclc_ac97_write,
-	.reset		= txx9aclc_ac97_cold_reset,
-};
-
-static irqreturn_t txx9aclc_ac97_irq(int irq, void *dev_id)
-{
-	struct txx9aclc_plat_drvdata *drvdata = dev_id;
-	void __iomem *base = drvdata->base;
-
-	__raw_writel(__raw_readl(base + ACINTMSTS), base + ACINTDIS);
-	wake_up(&ac97_waitq);
-	return IRQ_HANDLED;
-}
-
-static int txx9aclc_ac97_probe(struct snd_soc_dai *dai)
-{
-	txx9aclc_drvdata = snd_soc_dai_get_drvdata(dai);
-	return 0;
-}
-
-static int txx9aclc_ac97_remove(struct snd_soc_dai *dai)
-{
-	struct txx9aclc_plat_drvdata *drvdata = snd_soc_dai_get_drvdata(dai);
-
-	/* disable AC-link */
-	__raw_writel(ACCTL_ENLINK, drvdata->base + ACCTLDIS);
-	txx9aclc_drvdata = NULL;
-	return 0;
-}
-
-static struct snd_soc_dai_driver txx9aclc_ac97_dai = {
-	.probe			= txx9aclc_ac97_probe,
-	.remove			= txx9aclc_ac97_remove,
-	.playback = {
-		.rates		= AC97_RATES,
-		.formats	= AC97_FMTS,
-		.channels_min	= 2,
-		.channels_max	= 2,
-	},
-	.capture = {
-		.rates		= AC97_RATES,
-		.formats	= AC97_FMTS,
-		.channels_min	= 2,
-		.channels_max	= 2,
-	},
-};
-
-static const struct snd_soc_component_driver txx9aclc_ac97_component = {
-	.name		= "txx9aclc-ac97",
-};
-
-static int txx9aclc_ac97_dev_probe(struct platform_device *pdev)
-{
-	struct txx9aclc_plat_drvdata *drvdata;
-	struct resource *r;
-	int err;
-	int irq;
-
-	irq = platform_get_irq(pdev, 0);
-	if (irq < 0)
-		return irq;
-
-	drvdata = devm_kzalloc(&pdev->dev, sizeof(*drvdata), GFP_KERNEL);
-	if (!drvdata)
-		return -ENOMEM;
-
-	r = platform_get_resource(pdev, IORESOURCE_MEM, 0);
-	drvdata->base = devm_ioremap_resource(&pdev->dev, r);
-	if (IS_ERR(drvdata->base))
-		return PTR_ERR(drvdata->base);
-
-	platform_set_drvdata(pdev, drvdata);
-	drvdata->physbase = r->start;
-	if (sizeof(drvdata->physbase) > sizeof(r->start) &&
-	    r->start >= TXX9_DIRECTMAP_BASE &&
-	    r->start < TXX9_DIRECTMAP_BASE + 0x400000)
-		drvdata->physbase |= 0xf00000000ull;
-	err = devm_request_irq(&pdev->dev, irq, txx9aclc_ac97_irq,
-			       0, dev_name(&pdev->dev), drvdata);
-	if (err < 0)
-		return err;
-
-	err = snd_soc_set_ac97_ops(&txx9aclc_ac97_ops);
-	if (err < 0)
-		return err;
-
-	return devm_snd_soc_register_component(&pdev->dev, &txx9aclc_ac97_component,
-					  &txx9aclc_ac97_dai, 1);
-}
-
-static int txx9aclc_ac97_dev_remove(struct platform_device *pdev)
-{
-	snd_soc_set_ac97_ops(NULL);
-	return 0;
-}
-
-static struct platform_driver txx9aclc_ac97_driver = {
-	.probe		= txx9aclc_ac97_dev_probe,
-	.remove		= txx9aclc_ac97_dev_remove,
-	.driver		= {
-		.name	= "txx9aclc-ac97",
-	},
-};
-
-module_platform_driver(txx9aclc_ac97_driver);
-
-MODULE_AUTHOR("Atsushi Nemoto <anemo@mba.ocn.ne.jp>");
-MODULE_DESCRIPTION("TXx9 ACLC AC97 driver");
-MODULE_LICENSE("GPL");
-MODULE_ALIAS("platform:txx9aclc-ac97");

sound/soc/txx9/txx9aclc-generic.c

-// SPDX-License-Identifier: GPL-2.0-only
-/*
- * Generic TXx9 ACLC machine driver
- *
- * Copyright (C) 2009 Atsushi Nemoto
- *
- * Based on RBTX49xx patch from CELF patch archive.
- * (C) Copyright TOSHIBA CORPORATION 2004-2006
- *
- * This is a very generic AC97 sound machine driver for boards which
- * have (AC97) audio at ACLC (e.g. RBTX49XX boards).
- */
-
-#include <linux/module.h>
-#include <linux/platform_device.h>
-#include <sound/core.h>
-#include <sound/pcm.h>
-#include <sound/soc.h>
-#include "txx9aclc.h"
-
-SND_SOC_DAILINK_DEFS(hifi,
-	DAILINK_COMP_ARRAY(COMP_CPU("txx9aclc-ac97")),
-	DAILINK_COMP_ARRAY(COMP_CODEC("ac97-codec", "ac97-hifi")),
-	DAILINK_COMP_ARRAY(COMP_PLATFORM("txx9aclc-pcm-audio")));
-
-static struct snd_soc_dai_link txx9aclc_generic_dai = {
-	.name = "AC97",
-	.stream_name = "AC97 HiFi",
-	SND_SOC_DAILINK_REG(hifi),
-};
-
-static struct snd_soc_card txx9aclc_generic_card = {
-	.name		= "Generic TXx9 ACLC Audio",
-	.owner		= THIS_MODULE,
-	.dai_link	= &txx9aclc_generic_dai,
-	.num_links	= 1,
-};
-
-static struct platform_device *soc_pdev;
-
-static int __init txx9aclc_generic_probe(struct platform_device *pdev)
-{
-	int ret;
-
-	soc_pdev = platform_device_alloc("soc-audio", -1);
-	if (!soc_pdev)
-		return -ENOMEM;
-	platform_set_drvdata(soc_pdev, &txx9aclc_generic_card);
-	ret = platform_device_add(soc_pdev);
-	if (ret) {
-		platform_device_put(soc_pdev);
-		return ret;
-	}
-
-	return 0;
-}
-
-static int __exit txx9aclc_generic_remove(struct platform_device *pdev)
-{
-	platform_device_unregister(soc_pdev);
-	return 0;
-}
-
-static struct platform_driver txx9aclc_generic_driver = {
-	.remove = __exit_p(txx9aclc_generic_remove),
-	.driver = {
-		.name = "txx9aclc-generic",
-	},
-};
-
-static int __init txx9aclc_generic_init(void)
-{
-	return platform_driver_probe(&txx9aclc_generic_driver,
-				     txx9aclc_generic_probe);
-}
-
-static void __exit txx9aclc_generic_exit(void)
-{
-	platform_driver_unregister(&txx9aclc_generic_driver);
-}
-
-module_init(txx9aclc_generic_init);
-module_exit(txx9aclc_generic_exit);
-
-MODULE_AUTHOR("Atsushi Nemoto <anemo@mba.ocn.ne.jp>");
-MODULE_DESCRIPTION("Generic TXx9 ACLC ALSA SoC audio driver");
-MODULE_LICENSE("GPL");
-MODULE_ALIAS("platform:txx9aclc-generic");

sound/soc/txx9/txx9aclc.h

-/* SPDX-License-Identifier: GPL-2.0-only */
-/*
- * TXx9 SoC AC Link Controller
- */
-
-#ifndef __TXX9ACLC_H
-#define __TXX9ACLC_H
-
-#include <linux/interrupt.h>
-#include <asm/txx9/dmac.h>
-
-#define ACCTLEN			0x00	/* control enable */
-#define ACCTLDIS		0x04	/* control disable */
-#define   ACCTL_ENLINK		0x00000001	/* enable/disable AC-link */
-#define   ACCTL_AUDODMA		0x00000100	/* AUDODMA enable/disable */
-#define   ACCTL_AUDIDMA		0x00001000	/* AUDIDMA enable/disable */
-#define   ACCTL_AUDOEHLT	0x00010000	/* AUDO error halt
-						   enable/disable */
-#define   ACCTL_AUDIEHLT	0x00100000	/* AUDI error halt
-						   enable/disable */
-#define ACREGACC		0x08	/* codec register access */
-#define   ACREGACC_DAT_SHIFT	0	/* data field */
-#define   ACREGACC_REG_SHIFT	16	/* address field */
-#define   ACREGACC_CODECID_SHIFT	24	/* CODEC ID field */
-#define   ACREGACC_READ		0x80000000	/* CODEC read */
-#define   ACREGACC_WRITE	0x00000000	/* CODEC write */
-#define ACINTSTS		0x10	/* interrupt status */
-#define ACINTMSTS		0x14	/* interrupt masked status */
-#define ACINTEN			0x18	/* interrupt enable */
-#define ACINTDIS		0x1c	/* interrupt disable */
-#define   ACINT_CODECRDY(n)	(0x00000001 << (n))	/* CODECn ready */
-#define   ACINT_REGACCRDY	0x00000010	/* ACREGACC ready */
-#define   ACINT_AUDOERR		0x00000100	/* AUDO underrun error */
-#define   ACINT_AUDIERR		0x00001000	/* AUDI overrun error */
-#define ACDMASTS		0x80	/* DMA request status */
-#define   ACDMA_AUDO		0x00000001	/* AUDODMA pending */
-#define   ACDMA_AUDI		0x00000010	/* AUDIDMA pending */
-#define ACAUDODAT		0xa0	/* audio out data */
-#define ACAUDIDAT		0xb0	/* audio in data */
-#define ACREVID			0xfc	/* revision ID */
-
-struct txx9aclc_dmadata {
-	struct resource *dma_res;
-	struct txx9dmac_slave dma_slave;
-	struct dma_chan *dma_chan;
-	struct work_struct work;
-	spinlock_t dma_lock;
-	int stream; /* SNDRV_PCM_STREAM_PLAYBACK or SNDRV_PCM_STREAM_CAPTURE */
-	struct snd_pcm_substream *substream;
-	unsigned long pos;
-	dma_addr_t dma_addr;
-	unsigned long buffer_bytes;
-	unsigned long period_bytes;
-	unsigned long frag_bytes;
-	int frags;
-	int frag_count;
-	int dmacount;
-};
-
-struct txx9aclc_plat_drvdata {
-	void __iomem *base;
-	u64 physbase;
-};
-
-static inline struct txx9aclc_plat_drvdata *txx9aclc_get_plat_drvdata(
-	struct snd_soc_dai *dai)
-{
-	return dev_get_drvdata(dai->dev);
-}
-
-#endif /* __TXX9ACLC_H */