[PATCH 10/10] ASoC: txx9: Remove driver

Thomas Bogendoerfer
2021-01-05T14:06:00Z

CPU support for TX49xx is getting removed, so remove sound support for it.

Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
---
sound/soc/Kconfig | 1 -
sound/soc/Makefile | 1 -
sound/soc/txx9/Kconfig | 30 ---
sound/soc/txx9/Makefile | 12 -
sound/soc/txx9/txx9aclc-ac97.c | 230 ----------------
sound/soc/txx9/txx9aclc-generic.c | 88 -------
sound/soc/txx9/txx9aclc.c | 422 ------------------------------
sound/soc/txx9/txx9aclc.h | 71 -----
8 files changed, 855 deletions(-)
delete mode 100644 sound/soc/txx9/Kconfig
delete mode 100644 sound/soc/txx9/Makefile
delete mode 100644 sound/soc/txx9/txx9aclc-ac97.c
delete mode 100644 sound/soc/txx9/txx9aclc-generic.c
delete mode 100644 sound/soc/txx9/txx9aclc.c
delete mode 100644 sound/soc/txx9/txx9aclc.h

diff --git a/sound/soc/Kconfig b/sound/soc/Kconfig
index 71a6fe87d1a1..47da9ce17693 100644
--- a/sound/soc/Kconfig
+++ b/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"
diff --git a/sound/soc/Makefile b/sound/soc/Makefile
index ddbac3a2169f..508dbaa1814e 100644
--- a/sound/soc/Makefile
+++ b/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/
diff --git a/sound/soc/txx9/Kconfig b/sound/soc/txx9/Kconfig
deleted file mode 100644
index d928edf9f5a9..000000000000
--- a/sound/soc/txx9/Kconfig
+++ /dev/null
@@ -1,30 +0,0 @@
-# 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.
diff --git a/sound/soc/txx9/Makefile b/sound/soc/txx9/Makefile
deleted file mode 100644
index 37ad833eb329..000000000000
--- a/sound/soc/txx9/Makefile
+++ /dev/null
@@ -1,12 +0,0 @@
-# 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
diff --git a/sound/soc/txx9/txx9aclc-ac97.c b/sound/soc/txx9/txx9aclc-ac97.c
deleted file mode 100644
index d9e348444bd0..000000000000
--- a/sound/soc/txx9/txx9aclc-ac97.c
+++ /dev/null
@@ -1,230 +0,0 @@
-// 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");
diff --git a/sound/soc/txx9/txx9aclc-generic.c b/sound/soc/txx9/txx9aclc-generic.c
deleted file mode 100644
index d6893721ba1d..000000000000
--- a/sound/soc/txx9/txx9aclc-generic.c
+++ /dev/null
@@ -1,88 +0,0 @@
-// 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");
diff --git a/sound/soc/txx9/txx9aclc.c b/sound/soc/txx9/txx9aclc.c
deleted file mode 100644
index 1d2d0d9b57b0..000000000000
--- a/sound/soc/txx9/txx9aclc.c
+++ /dev/null
@@ -1,422 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0-only
-/*
- * Generic TXx9 ACLC platform driver
- *
- * Copyright (C) 2009 Atsushi Nemoto
- *
- * Based on RBTX49xx patch from CELF patch archive.
- * (C) Copyright TOSHIBA CORPORATION 2004-2006
- */
-
-#include <linux/module.h>
-#include <linux/init.h>
-#include <linux/platform_device.h>
-#include <linux/scatterlist.h>
-#include <linux/slab.h>
-#include <linux/dmaengine.h>
-#include <sound/core.h>
-#include <sound/pcm.h>
-#include <sound/pcm_params.h>
-#include <sound/soc.h>
-#include "txx9aclc.h"
-
-#define DRV_NAME "txx9aclc"
-
-static struct txx9aclc_soc_device {
- struct txx9aclc_dmadata dmadata[2];
-} txx9aclc_soc_device;
-
-/* REVISIT: How to find txx9aclc_drvdata from snd_ac97? */
-static struct txx9aclc_plat_drvdata *txx9aclc_drvdata;
-
-static int txx9aclc_dma_init(struct txx9aclc_soc_device *dev,
- struct txx9aclc_dmadata *dmadata);
-
-static const struct snd_pcm_hardware txx9aclc_pcm_hardware = {
- /*
- * REVISIT: SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_MMAP_VALID
- * needs more works for noncoherent MIPS.
- */
- .info = SNDRV_PCM_INFO_INTERLEAVED |
- SNDRV_PCM_INFO_BATCH |
- SNDRV_PCM_INFO_PAUSE,
- .period_bytes_min = 1024,
- .period_bytes_max = 8 * 1024,
- .periods_min = 2,
- .periods_max = 4096,
- .buffer_bytes_max = 32 * 1024,
-};
-
-static int txx9aclc_pcm_hw_params(struct snd_soc_component *component,
- struct snd_pcm_substream *substream,
- struct snd_pcm_hw_params *params)
-{
- struct snd_pcm_runtime *runtime = substream->runtime;
- struct txx9aclc_dmadata *dmadata = runtime->private_data;
-
- dev_dbg(component->dev,
- "runtime->dma_area = %#lx dma_addr = %#lx dma_bytes = %zd "
- "runtime->min_align %ld\n",
- (unsigned long)runtime->dma_area,
- (unsigned long)runtime->dma_addr, runtime->dma_bytes,
- runtime->min_align);
- dev_dbg(component->dev,
- "periods %d period_bytes %d stream %d\n",
- params_periods(params), params_period_bytes(params),
- substream->stream);
-
- dmadata->substream = substream;
- dmadata->pos = 0;
- return 0;
-}
-
-static int txx9aclc_pcm_prepare(struct snd_soc_component *component,
- struct snd_pcm_substream *substream)
-{
- struct snd_pcm_runtime *runtime = substream->runtime;
- struct txx9aclc_dmadata *dmadata = runtime->private_data;
-
- dmadata->dma_addr = runtime->dma_addr;
- dmadata->buffer_bytes = snd_pcm_lib_buffer_bytes(substream);
- dmadata->period_bytes = snd_pcm_lib_period_bytes(substream);
-
- if (dmadata->buffer_bytes == dmadata->period_bytes) {
- dmadata->frag_bytes = dmadata->period_bytes >> 1;
- dmadata->frags = 2;
- } else {
- dmadata->frag_bytes = dmadata->period_bytes;
- dmadata->frags = dmadata->buffer_bytes / dmadata->period_bytes;
- }
- dmadata->frag_count = 0;
- dmadata->pos = 0;
- return 0;
-}
-
-static void txx9aclc_dma_complete(void *arg)
-{
- struct txx9aclc_dmadata *dmadata = arg;
- unsigned long flags;
-
- /* dma completion handler cannot submit new operations */
- spin_lock_irqsave(&dmadata->dma_lock, flags);
- if (dmadata->frag_count >= 0) {
- dmadata->dmacount--;
- if (!WARN_ON(dmadata->dmacount < 0))
- queue_work(system_highpri_wq, &dmadata->work);
- }
- spin_unlock_irqrestore(&dmadata->dma_lock, flags);
-}
-
-static struct dma_async_tx_descriptor *
-txx9aclc_dma_submit(struct txx9aclc_dmadata *dmadata, dma_addr_t buf_dma_addr)
-{
- struct dma_chan *chan = dmadata->dma_chan;
- struct dma_async_tx_descriptor *desc;
- struct scatterlist sg;
-
- sg_init_table(&sg, 1);
- sg_set_page(&sg, pfn_to_page(PFN_DOWN(buf_dma_addr)),
- dmadata->frag_bytes, buf_dma_addr & (PAGE_SIZE - 1));
- sg_dma_address(&sg) = buf_dma_addr;
- desc = dmaengine_prep_slave_sg(chan, &sg, 1,
- dmadata->substream->stream == SNDRV_PCM_STREAM_PLAYBACK ?
- DMA_MEM_TO_DEV : DMA_DEV_TO_MEM,
- DMA_PREP_INTERRUPT | DMA_CTRL_ACK);
- if (!desc) {
- dev_err(&chan->dev->device, "cannot prepare slave dma\n");
- return NULL;
- }
- desc->callback = txx9aclc_dma_complete;
- desc->callback_param = dmadata;
- dmaengine_submit(desc);
- return desc;
-}
-
-#define NR_DMA_CHAIN 2
-
-static void txx9aclc_dma_work(struct work_struct *work)
-{
- struct txx9aclc_dmadata *dmadata =
- container_of(work, struct txx9aclc_dmadata, work);
- struct dma_chan *chan = dmadata->dma_chan;
- struct dma_async_tx_descriptor *desc;
- struct snd_pcm_substream *substream = dmadata->substream;
- u32 ctlbit = substream->stream == SNDRV_PCM_STREAM_PLAYBACK ?
- ACCTL_AUDODMA : ACCTL_AUDIDMA;
- int i;
- unsigned long flags;
-
- spin_lock_irqsave(&dmadata->dma_lock, flags);
- if (dmadata->frag_count < 0) {
- struct txx9aclc_plat_drvdata *drvdata = txx9aclc_drvdata;
- void __iomem *base = drvdata->base;
-
- spin_unlock_irqrestore(&dmadata->dma_lock, flags);
- dmaengine_terminate_all(chan);
- /* first time */
- for (i = 0; i < NR_DMA_CHAIN; i++) {
- desc = txx9aclc_dma_submit(dmadata,
- dmadata->dma_addr + i * dmadata->frag_bytes);
- if (!desc)
- return;
- }
- dmadata->dmacount = NR_DMA_CHAIN;
- dma_async_issue_pending(chan);
- spin_lock_irqsave(&dmadata->dma_lock, flags);
- __raw_writel(ctlbit, base + ACCTLEN);
- dmadata->frag_count = NR_DMA_CHAIN % dmadata->frags;
- spin_unlock_irqrestore(&dmadata->dma_lock, flags);
- return;
- }
- if (WARN_ON(dmadata->dmacount >= NR_DMA_CHAIN)) {
- spin_unlock_irqrestore(&dmadata->dma_lock, flags);
- return;
- }
- while (dmadata->dmacount < NR_DMA_CHAIN) {
- dmadata->dmacount++;
- spin_unlock_irqrestore(&dmadata->dma_lock, flags);
- desc = txx9aclc_dma_submit(dmadata,
- dmadata->dma_addr +
- dmadata->frag_count * dmadata->frag_bytes);
- if (!desc)
- return;
- dma_async_issue_pending(chan);
-
- spin_lock_irqsave(&dmadata->dma_lock, flags);
- dmadata->frag_count++;
- dmadata->frag_count %= dmadata->frags;
- dmadata->pos += dmadata->frag_bytes;
- dmadata->pos %= dmadata->buffer_bytes;
- if ((dmadata->frag_count * dmadata->frag_bytes) %
- dmadata->period_bytes == 0)
- snd_pcm_period_elapsed(substream);
- }
- spin_unlock_irqrestore(&dmadata->dma_lock, flags);
-}
-
-static int txx9aclc_pcm_trigger(struct snd_soc_component *component,
- struct snd_pcm_substream *substream, int cmd)
-{
- struct txx9aclc_dmadata *dmadata = substream->runtime->private_data;
- struct txx9aclc_plat_drvdata *drvdata = txx9aclc_drvdata;
- void __iomem *base = drvdata->base;
- unsigned long flags;
- int ret = 0;
- u32 ctlbit = substream->stream == SNDRV_PCM_STREAM_PLAYBACK ?
- ACCTL_AUDODMA : ACCTL_AUDIDMA;
-
- spin_lock_irqsave(&dmadata->dma_lock, flags);
- switch (cmd) {
- case SNDRV_PCM_TRIGGER_START:
- dmadata->frag_count = -1;
- queue_work(system_highpri_wq, &dmadata->work);
- break;
- case SNDRV_PCM_TRIGGER_STOP:
- case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
- case SNDRV_PCM_TRIGGER_SUSPEND:
- __raw_writel(ctlbit, base + ACCTLDIS);
- break;
- case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
- case SNDRV_PCM_TRIGGER_RESUME:
- __raw_writel(ctlbit, base + ACCTLEN);
- break;
- default:
- ret = -EINVAL;
- }
- spin_unlock_irqrestore(&dmadata->dma_lock, flags);
- return ret;
-}
-
-static snd_pcm_uframes_t
-txx9aclc_pcm_pointer(struct snd_soc_component *component,
- struct snd_pcm_substream *substream)
-{
- struct txx9aclc_dmadata *dmadata = substream->runtime->private_data;
-
- return bytes_to_frames(substream->runtime, dmadata->pos);
-}
-
-static int txx9aclc_pcm_open(struct snd_soc_component *component,
- struct snd_pcm_substream *substream)
-{
- struct txx9aclc_soc_device *dev = &txx9aclc_soc_device;
- struct txx9aclc_dmadata *dmadata = &dev->dmadata[substream->stream];
- int ret;
-
- ret = snd_soc_set_runtime_hwparams(substream, &txx9aclc_pcm_hardware);
- if (ret)
- return ret;
- /* ensure that buffer size is a multiple of period size */
- ret = snd_pcm_hw_constraint_integer(substream->runtime,
- SNDRV_PCM_HW_PARAM_PERIODS);
- if (ret < 0)
- return ret;
- substream->runtime->private_data = dmadata;
- return 0;
-}
-
-static int txx9aclc_pcm_close(struct snd_soc_component *component,
- struct snd_pcm_substream *substream)
-{
- struct txx9aclc_dmadata *dmadata = substream->runtime->private_data;
- struct dma_chan *chan = dmadata->dma_chan;
-
- dmadata->frag_count = -1;
- dmaengine_terminate_all(chan);
- return 0;
-}
-
-static int txx9aclc_pcm_new(struct snd_soc_component *component,
- struct snd_soc_pcm_runtime *rtd)
-{
- struct snd_card *card = rtd->card->snd_card;
- struct snd_soc_dai *dai = asoc_rtd_to_cpu(rtd, 0);
- struct snd_pcm *pcm = rtd->pcm;
- struct platform_device *pdev = to_platform_device(component->dev);
- struct txx9aclc_soc_device *dev;
- struct resource *r;
- int i;
- int ret;
-
- /* at this point onwards the AC97 component has probed and this will be valid */
- dev = snd_soc_dai_get_drvdata(dai);
-
- dev->dmadata[0].stream = SNDRV_PCM_STREAM_PLAYBACK;
- dev->dmadata[1].stream = SNDRV_PCM_STREAM_CAPTURE;
- for (i = 0; i < 2; i++) {
- r = platform_get_resource(pdev, IORESOURCE_DMA, i);
- if (!r) {
- ret = -EBUSY;
- goto exit;
- }
- dev->dmadata[i].dma_res = r;
- ret = txx9aclc_dma_init(dev, &dev->dmadata[i]);
- if (ret)
- goto exit;
- }
-
- snd_pcm_set_managed_buffer_all(pcm, SNDRV_DMA_TYPE_DEV,
- card->dev, 64 * 1024, 4 * 1024 * 1024);
- return 0;
-
-exit:
- for (i = 0; i < 2; i++) {
- if (dev->dmadata[i].dma_chan)
- dma_release_channel(dev->dmadata[i].dma_chan);
- dev->dmadata[i].dma_chan = NULL;
- }
- return ret;
-}
-
-static bool filter(struct dma_chan *chan, void *param)
-{
- struct txx9aclc_dmadata *dmadata = param;
- char *devname;
- bool found = false;
-
- devname = kasprintf(GFP_KERNEL, "%s.%d", dmadata->dma_res->name,
- (int)dmadata->dma_res->start);
- if (strcmp(dev_name(chan->device->dev), devname) == 0) {
- chan->private = &dmadata->dma_slave;
- found = true;
- }
- kfree(devname);
- return found;
-}
-
-static int txx9aclc_dma_init(struct txx9aclc_soc_device *dev,
- struct txx9aclc_dmadata *dmadata)
-{
- struct txx9aclc_plat_drvdata *drvdata = txx9aclc_drvdata;
- struct txx9dmac_slave *ds = &dmadata->dma_slave;
- dma_cap_mask_t mask;
-
- spin_lock_init(&dmadata->dma_lock);
-
- ds->reg_width = sizeof(u32);
- if (dmadata->stream == SNDRV_PCM_STREAM_PLAYBACK) {
- ds->tx_reg = drvdata->physbase + ACAUDODAT;
- ds->rx_reg = 0;
- } else {
- ds->tx_reg = 0;
- ds->rx_reg = drvdata->physbase + ACAUDIDAT;
- }
-
- /* Try to grab a DMA channel */
- dma_cap_zero(mask);
- dma_cap_set(DMA_SLAVE, mask);
- dmadata->dma_chan = dma_request_channel(mask, filter, dmadata);
- if (!dmadata->dma_chan) {
- printk(KERN_ERR
- "DMA channel for %s is not available\n",
- dmadata->stream == SNDRV_PCM_STREAM_PLAYBACK ?
- "playback" : "capture");
- return -EBUSY;
- }
- INIT_WORK(&dmadata->work, txx9aclc_dma_work);
- return 0;
-}
-
-static int txx9aclc_pcm_probe(struct snd_soc_component *component)
-{
- snd_soc_component_set_drvdata(component, &txx9aclc_soc_device);
- return 0;
-}
-
-static void txx9aclc_pcm_remove(struct snd_soc_component *component)
-{
- struct txx9aclc_soc_device *dev = snd_soc_component_get_drvdata(component);
- struct txx9aclc_plat_drvdata *drvdata = txx9aclc_drvdata;
- void __iomem *base = drvdata->base;
- int i;
-
- /* disable all FIFO DMAs */
- __raw_writel(ACCTL_AUDODMA | ACCTL_AUDIDMA, base + ACCTLDIS);
- /* dummy R/W to clear pending DMAREQ if any */
- __raw_writel(__raw_readl(base + ACAUDIDAT), base + ACAUDODAT);
-
- for (i = 0; i < 2; i++) {
- struct txx9aclc_dmadata *dmadata = &dev->dmadata[i];
- struct dma_chan *chan = dmadata->dma_chan;
-
- if (chan) {
- dmadata->frag_count = -1;
- dmaengine_terminate_all(chan);
- dma_release_channel(chan);
- }
- dev->dmadata[i].dma_chan = NULL;
- }
-}
-
-static const struct snd_soc_component_driver txx9aclc_soc_component = {
- .name = DRV_NAME,
- .probe = txx9aclc_pcm_probe,
- .remove = txx9aclc_pcm_remove,
- .open = txx9aclc_pcm_open,
- .close = txx9aclc_pcm_close,
- .hw_params = txx9aclc_pcm_hw_params,
- .prepare = txx9aclc_pcm_prepare,
- .trigger = txx9aclc_pcm_trigger,
- .pointer = txx9aclc_pcm_pointer,
- .pcm_construct = txx9aclc_pcm_new,
-};
-
-static int txx9aclc_soc_platform_probe(struct platform_device *pdev)
-{
- return devm_snd_soc_register_component(&pdev->dev,
- &txx9aclc_soc_component, NULL, 0);
-}
-
-static struct platform_driver txx9aclc_pcm_driver = {
- .driver = {
- .name = "txx9aclc-pcm-audio",
- },
-
- .probe = txx9aclc_soc_platform_probe,
-};
-
-module_platform_driver(txx9aclc_pcm_driver);
-
-MODULE_AUTHOR("Atsushi Nemoto <anemo@mba.ocn.ne.jp>");
-MODULE_DESCRIPTION("TXx9 ACLC Audio DMA driver");
-MODULE_LICENSE("GPL");
diff --git a/sound/soc/txx9/txx9aclc.h b/sound/soc/txx9/txx9aclc.h
deleted file mode 100644
index 37c691ba56ed..000000000000
--- a/sound/soc/txx9/txx9aclc.h
+++ /dev/null
@@ -1,71 +0,0 @@
-/* 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 */
--
2.29.2