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 */