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author | Thomas Bogendoerfer <tsbogend@alpha.franken.de> | 2021-01-05 15:02:55 +0100 |
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committer | Mark Brown <broonie@kernel.org> | 2021-01-06 13:08:00 +0000 |
commit | a8644292ea46064f990e4a3c4585bdb294c0d89a (patch) | |
tree | 1d3a6562be3a13d888de73c842545bd9af46e9dd /sound/soc/txx9/txx9aclc-ac97.c | |
parent | 81a6320da73ca23f44155715ec3d9e92bea4e35a (diff) | |
download | linux-a8644292ea46064f990e4a3c4585bdb294c0d89a.tar.gz linux-a8644292ea46064f990e4a3c4585bdb294c0d89a.tar.bz2 linux-a8644292ea46064f990e4a3c4585bdb294c0d89a.zip |
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.de
Signed-off-by: Mark Brown <broonie@kernel.org>
Diffstat (limited to 'sound/soc/txx9/txx9aclc-ac97.c')
-rw-r--r-- | sound/soc/txx9/txx9aclc-ac97.c | 230 |
1 files changed, 0 insertions, 230 deletions
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"); |