diff options
Diffstat (limited to 'sound/soc/samsung/pcm.c')
| -rw-r--r-- | sound/soc/samsung/pcm.c | 68 |
1 files changed, 33 insertions, 35 deletions
diff --git a/sound/soc/samsung/pcm.c b/sound/soc/samsung/pcm.c index 37f95eee1558..a03ba9374c2e 100644 --- a/sound/soc/samsung/pcm.c +++ b/sound/soc/samsung/pcm.c @@ -1,15 +1,10 @@ -/* sound/soc/samsung/pcm.c - * - * ALSA SoC Audio Layer - S3C PCM-Controller driver - * - * Copyright (c) 2009 Samsung Electronics Co. Ltd - * Author: Jaswinder Singh <jassisinghbrar@gmail.com> - * based upon I2S drivers by Ben Dooks. - * - * 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. - */ +// SPDX-License-Identifier: GPL-2.0 +// +// ALSA SoC Audio Layer - S3C PCM-Controller driver +// +// Copyright (c) 2009 Samsung Electronics Co. Ltd +// Author: Jaswinder Singh <jassisinghbrar@gmail.com> +// based upon I2S drivers by Ben Dooks. #include <linux/clk.h> #include <linux/io.h> @@ -109,8 +104,13 @@ /** * struct s3c_pcm_info - S3C PCM Controller information + * @lock: Spin lock * @dev: The parent device passed to use from the probe. * @regs: The pointer to the device register block. + * @sclk_per_fs: number of sclk per frame sync + * @idleclk: Whether to keep PCMSCLK enabled even when idle (no active xfer) + * @pclk: the PCLK_PCM (pcm) clock pointer + * @cclk: the SCLK_AUDIO (audio-bus) clock pointer * @dma_playback: DMA information for playback channel. * @dma_capture: DMA information for capture channel. */ @@ -216,8 +216,8 @@ static void s3c_pcm_snd_rxctrl(struct s3c_pcm_info *pcm, int on) static int s3c_pcm_trigger(struct snd_pcm_substream *substream, int cmd, struct snd_soc_dai *dai) { - struct snd_soc_pcm_runtime *rtd = substream->private_data; - struct s3c_pcm_info *pcm = snd_soc_dai_get_drvdata(rtd->cpu_dai); + struct snd_soc_pcm_runtime *rtd = snd_soc_substream_to_rtd(substream); + struct s3c_pcm_info *pcm = snd_soc_dai_get_drvdata(snd_soc_rtd_to_cpu(rtd, 0)); unsigned long flags; dev_dbg(pcm->dev, "Entered %s\n", __func__); @@ -260,8 +260,8 @@ static int s3c_pcm_hw_params(struct snd_pcm_substream *substream, struct snd_pcm_hw_params *params, struct snd_soc_dai *socdai) { - struct snd_soc_pcm_runtime *rtd = substream->private_data; - struct s3c_pcm_info *pcm = snd_soc_dai_get_drvdata(rtd->cpu_dai); + struct snd_soc_pcm_runtime *rtd = snd_soc_substream_to_rtd(substream); + struct s3c_pcm_info *pcm = snd_soc_dai_get_drvdata(snd_soc_rtd_to_cpu(rtd, 0)); void __iomem *regs = pcm->regs; struct clk *clk; int sclk_div, sync_div; @@ -340,8 +340,8 @@ static int s3c_pcm_set_fmt(struct snd_soc_dai *cpu_dai, goto exit; } - switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) { - case SND_SOC_DAIFMT_CBS_CFS: + switch (fmt & SND_SOC_DAIFMT_CLOCK_PROVIDER_MASK) { + case SND_SOC_DAIFMT_BP_FP: /* Nothing to do, Master by default */ break; default: @@ -432,14 +432,6 @@ static int s3c_pcm_set_sysclk(struct snd_soc_dai *cpu_dai, return 0; } -static const struct snd_soc_dai_ops s3c_pcm_dai_ops = { - .set_sysclk = s3c_pcm_set_sysclk, - .set_clkdiv = s3c_pcm_set_clkdiv, - .trigger = s3c_pcm_trigger, - .hw_params = s3c_pcm_hw_params, - .set_fmt = s3c_pcm_set_fmt, -}; - static int s3c_pcm_dai_probe(struct snd_soc_dai *dai) { struct s3c_pcm_info *pcm = snd_soc_dai_get_drvdata(dai); @@ -449,11 +441,19 @@ static int s3c_pcm_dai_probe(struct snd_soc_dai *dai) return 0; } +static const struct snd_soc_dai_ops s3c_pcm_dai_ops = { + .probe = s3c_pcm_dai_probe, + .set_sysclk = s3c_pcm_set_sysclk, + .set_clkdiv = s3c_pcm_set_clkdiv, + .trigger = s3c_pcm_trigger, + .hw_params = s3c_pcm_hw_params, + .set_fmt = s3c_pcm_set_fmt, +}; + #define S3C_PCM_RATES SNDRV_PCM_RATE_8000_96000 #define S3C_PCM_DAI_DECLARE \ - .symmetric_rates = 1, \ - .probe = s3c_pcm_dai_probe, \ + .symmetric_rate = 1, \ .ops = &s3c_pcm_dai_ops, \ .playback = { \ .channels_min = 2, \ @@ -480,7 +480,8 @@ static struct snd_soc_dai_driver s3c_pcm_dai[] = { }; static const struct snd_soc_component_driver s3c_pcm_component = { - .name = "s3c-pcm", + .name = "s3c-pcm", + .legacy_dai_naming = 1, }; static int s3c_pcm_dev_probe(struct platform_device *pdev) @@ -512,8 +513,7 @@ static int s3c_pcm_dev_probe(struct platform_device *pdev) /* Default is 128fs */ pcm->sclk_per_fs = 128; - mem_res = platform_get_resource(pdev, IORESOURCE_MEM, 0); - pcm->regs = devm_ioremap_resource(&pdev->dev, mem_res); + pcm->regs = devm_platform_get_and_ioremap_resource(pdev, 0, &mem_res); if (IS_ERR(pcm->regs)) return PTR_ERR(pcm->regs); @@ -553,7 +553,7 @@ static int s3c_pcm_dev_probe(struct platform_device *pdev) pcm->dma_playback = &s3c_pcm_stereo_out[pdev->id]; ret = samsung_asoc_dma_platform_register(&pdev->dev, filter, - NULL, NULL); + NULL, NULL, NULL); if (ret) { dev_err(&pdev->dev, "failed to get register DMA: %d\n", ret); goto err_dis_pclk; @@ -579,15 +579,13 @@ err_dis_cclk: return ret; } -static int s3c_pcm_dev_remove(struct platform_device *pdev) +static void s3c_pcm_dev_remove(struct platform_device *pdev) { struct s3c_pcm_info *pcm = &s3c_pcm[pdev->id]; pm_runtime_disable(&pdev->dev); clk_disable_unprepare(pcm->cclk); clk_disable_unprepare(pcm->pclk); - - return 0; } static struct platform_driver s3c_pcm_driver = { |