diff options
Diffstat (limited to 'sound/soc/codecs/rt5514-spi.c')
| -rw-r--r-- | sound/soc/codecs/rt5514-spi.c | 73 |
1 files changed, 35 insertions, 38 deletions
diff --git a/sound/soc/codecs/rt5514-spi.c b/sound/soc/codecs/rt5514-spi.c index 4d46f4567c3a..54d84581ec47 100644 --- a/sound/soc/codecs/rt5514-spi.c +++ b/sound/soc/codecs/rt5514-spi.c @@ -1,12 +1,9 @@ +// SPDX-License-Identifier: GPL-2.0-only /* * rt5514-spi.c -- RT5514 SPI driver * * Copyright 2015 Realtek Semiconductor Corp. * Author: Oder Chiou <oder_chiou@realtek.com> - * - * 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/module.h> @@ -18,7 +15,6 @@ #include <linux/interrupt.h> #include <linux/irq.h> #include <linux/slab.h> -#include <linux/gpio.h> #include <linux/sched.h> #include <linux/uaccess.h> #include <linux/regulator/consumer.h> @@ -204,26 +200,23 @@ static irqreturn_t rt5514_spi_irq(int irq, void *data) } /* PCM for streaming audio from the DSP buffer */ -static int rt5514_spi_pcm_open(struct snd_pcm_substream *substream) +static int rt5514_spi_pcm_open(struct snd_soc_component *component, + struct snd_pcm_substream *substream) { snd_soc_set_runtime_hwparams(substream, &rt5514_spi_pcm_hardware); return 0; } -static int rt5514_spi_hw_params(struct snd_pcm_substream *substream, - struct snd_pcm_hw_params *hw_params) +static int rt5514_spi_hw_params(struct snd_soc_component *component, + struct snd_pcm_substream *substream, + struct snd_pcm_hw_params *hw_params) { - struct snd_soc_pcm_runtime *rtd = substream->private_data; - struct snd_soc_component *component = snd_soc_rtdcom_lookup(rtd, DRV_NAME); struct rt5514_dsp *rt5514_dsp = snd_soc_component_get_drvdata(component); - int ret; u8 buf[8]; mutex_lock(&rt5514_dsp->dma_lock); - ret = snd_pcm_lib_alloc_vmalloc_buffer(substream, - params_buffer_bytes(hw_params)); rt5514_dsp->substream = substream; rt5514_dsp->dma_offset = 0; @@ -234,13 +227,12 @@ static int rt5514_spi_hw_params(struct snd_pcm_substream *substream, mutex_unlock(&rt5514_dsp->dma_lock); - return ret; + return 0; } -static int rt5514_spi_hw_free(struct snd_pcm_substream *substream) +static int rt5514_spi_hw_free(struct snd_soc_component *component, + struct snd_pcm_substream *substream) { - struct snd_soc_pcm_runtime *rtd = substream->private_data; - struct snd_soc_component *component = snd_soc_rtdcom_lookup(rtd, DRV_NAME); struct rt5514_dsp *rt5514_dsp = snd_soc_component_get_drvdata(component); @@ -250,28 +242,20 @@ static int rt5514_spi_hw_free(struct snd_pcm_substream *substream) cancel_delayed_work_sync(&rt5514_dsp->copy_work); - return snd_pcm_lib_free_vmalloc_buffer(substream); + return 0; } static snd_pcm_uframes_t rt5514_spi_pcm_pointer( + struct snd_soc_component *component, struct snd_pcm_substream *substream) { struct snd_pcm_runtime *runtime = substream->runtime; - struct snd_soc_pcm_runtime *rtd = substream->private_data; - struct snd_soc_component *component = snd_soc_rtdcom_lookup(rtd, DRV_NAME); struct rt5514_dsp *rt5514_dsp = snd_soc_component_get_drvdata(component); return bytes_to_frames(runtime, rt5514_dsp->dma_offset); } -static const struct snd_pcm_ops rt5514_spi_pcm_ops = { - .open = rt5514_spi_pcm_open, - .hw_params = rt5514_spi_hw_params, - .hw_free = rt5514_spi_hw_free, - .pointer = rt5514_spi_pcm_pointer, - .page = snd_pcm_lib_get_vmalloc_page, -}; static int rt5514_spi_pcm_probe(struct snd_soc_component *component) { @@ -280,6 +264,8 @@ static int rt5514_spi_pcm_probe(struct snd_soc_component *component) rt5514_dsp = devm_kzalloc(component->dev, sizeof(*rt5514_dsp), GFP_KERNEL); + if (!rt5514_dsp) + return -ENOMEM; rt5514_dsp->dev = &rt5514_spi->dev; mutex_init(&rt5514_dsp->dma_lock); @@ -293,7 +279,7 @@ static int rt5514_spi_pcm_probe(struct snd_soc_component *component) rt5514_dsp); if (ret) dev_err(&rt5514_spi->dev, - "%s Failed to reguest IRQ: %d\n", __func__, + "%s Failed to request IRQ: %d\n", __func__, ret); else device_init_wakeup(rt5514_dsp->dev, true); @@ -302,10 +288,23 @@ static int rt5514_spi_pcm_probe(struct snd_soc_component *component) return 0; } +static int rt5514_spi_pcm_new(struct snd_soc_component *component, + struct snd_soc_pcm_runtime *rtd) +{ + snd_pcm_set_managed_buffer_all(rtd->pcm, SNDRV_DMA_TYPE_VMALLOC, + NULL, 0, 0); + return 0; +} + static const struct snd_soc_component_driver rt5514_spi_component = { - .name = DRV_NAME, - .probe = rt5514_spi_pcm_probe, - .ops = &rt5514_spi_pcm_ops, + .name = DRV_NAME, + .probe = rt5514_spi_pcm_probe, + .open = rt5514_spi_pcm_open, + .hw_params = rt5514_spi_hw_params, + .hw_free = rt5514_spi_hw_free, + .pointer = rt5514_spi_pcm_pointer, + .pcm_construct = rt5514_spi_pcm_new, + .legacy_dai_naming = 1, }; /** @@ -459,7 +458,7 @@ static int rt5514_spi_probe(struct spi_device *spi) return 0; } -static int __maybe_unused rt5514_suspend(struct device *dev) +static int rt5514_suspend(struct device *dev) { int irq = to_spi_device(dev)->irq; @@ -469,11 +468,9 @@ static int __maybe_unused rt5514_suspend(struct device *dev) return 0; } -static int __maybe_unused rt5514_resume(struct device *dev) +static int rt5514_resume(struct device *dev) { - struct snd_soc_component *component = snd_soc_lookup_component(dev, DRV_NAME); - struct rt5514_dsp *rt5514_dsp = - snd_soc_component_get_drvdata(component); + struct rt5514_dsp *rt5514_dsp = dev_get_drvdata(dev); int irq = to_spi_device(dev)->irq; u8 buf[8]; @@ -493,7 +490,7 @@ static int __maybe_unused rt5514_resume(struct device *dev) } static const struct dev_pm_ops rt5514_pm_ops = { - SET_SYSTEM_SLEEP_PM_OPS(rt5514_suspend, rt5514_resume) + SYSTEM_SLEEP_PM_OPS(rt5514_suspend, rt5514_resume) }; static const struct of_device_id rt5514_of_match[] = { @@ -505,7 +502,7 @@ MODULE_DEVICE_TABLE(of, rt5514_of_match); static struct spi_driver rt5514_spi_driver = { .driver = { .name = "rt5514", - .pm = &rt5514_pm_ops, + .pm = pm_ptr(&rt5514_pm_ops), .of_match_table = of_match_ptr(rt5514_of_match), }, .probe = rt5514_spi_probe, |