diff options
Diffstat (limited to 'sound/soc/bcm/cygnus-ssp.c')
| -rw-r--r-- | sound/soc/bcm/cygnus-ssp.c | 88 |
1 files changed, 50 insertions, 38 deletions
diff --git a/sound/soc/bcm/cygnus-ssp.c b/sound/soc/bcm/cygnus-ssp.c index b7c358b48d8d..e0ce0232eb1e 100644 --- a/sound/soc/bcm/cygnus-ssp.c +++ b/sound/soc/bcm/cygnus-ssp.c @@ -1,21 +1,11 @@ -/* - * Copyright (C) 2014-2015 Broadcom Corporation - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License as - * published by the Free Software Foundation version 2. - * - * This program is distributed "as is" WITHOUT ANY WARRANTY of any - * kind, whether express or implied; without even the implied warranty - * of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - */ +// SPDX-License-Identifier: GPL-2.0-only +// Copyright (C) 2014-2015 Broadcom Corporation #include <linux/clk.h> #include <linux/delay.h> #include <linux/init.h> #include <linux/io.h> #include <linux/module.h> -#include <linux/of_device.h> +#include <linux/of.h> #include <linux/slab.h> #include <sound/core.h> #include <sound/pcm.h> @@ -848,12 +838,12 @@ static int cygnus_ssp_set_fmt(struct snd_soc_dai *cpu_dai, unsigned int fmt) ssp_newcfg = 0; - switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) { - case SND_SOC_DAIFMT_CBM_CFM: + switch (fmt & SND_SOC_DAIFMT_CLOCK_PROVIDER_MASK) { + case SND_SOC_DAIFMT_BC_FC: ssp_newcfg |= BIT(I2S_OUT_CFGX_SLAVE_MODE); aio->is_slave = 1; break; - case SND_SOC_DAIFMT_CBS_CFS: + case SND_SOC_DAIFMT_BP_FP: ssp_newcfg &= ~BIT(I2S_OUT_CFGX_SLAVE_MODE); aio->is_slave = 0; break; @@ -1052,10 +1042,13 @@ static int cygnus_set_dai_tdm_slot(struct snd_soc_dai *cpu_dai, } #ifdef CONFIG_PM_SLEEP -static int cygnus_ssp_suspend(struct snd_soc_dai *cpu_dai) +static int __cygnus_ssp_suspend(struct snd_soc_dai *cpu_dai) { struct cygnus_aio_port *aio = cygnus_dai_get_portinfo(cpu_dai); + if (!snd_soc_dai_active(cpu_dai)) + return 0; + if (!aio->is_slave) { u32 val; @@ -1078,11 +1071,25 @@ static int cygnus_ssp_suspend(struct snd_soc_dai *cpu_dai) return 0; } -static int cygnus_ssp_resume(struct snd_soc_dai *cpu_dai) +static int cygnus_ssp_suspend(struct snd_soc_component *component) +{ + struct snd_soc_dai *dai; + int ret = 0; + + for_each_component_dais(component, dai) + ret |= __cygnus_ssp_suspend(dai); + + return ret; +} + +static int __cygnus_ssp_resume(struct snd_soc_dai *cpu_dai) { struct cygnus_aio_port *aio = cygnus_dai_get_portinfo(cpu_dai); int error; + if (!snd_soc_dai_active(cpu_dai)) + return 0; + if (!aio->is_slave) { if (aio->clk_trace.cap_clk_en) { error = clk_prepare_enable(aio->cygaud-> @@ -1109,6 +1116,18 @@ static int cygnus_ssp_resume(struct snd_soc_dai *cpu_dai) return 0; } + +static int cygnus_ssp_resume(struct snd_soc_component *component) +{ + struct snd_soc_dai *dai; + int ret = 0; + + for_each_component_dais(component, dai) + ret |= __cygnus_ssp_resume(dai); + + return ret; +} + #else #define cygnus_ssp_suspend NULL #define cygnus_ssp_resume NULL @@ -1149,8 +1168,6 @@ static const struct snd_soc_dai_ops cygnus_spdif_dai_ops = { SNDRV_PCM_FMTBIT_S32_LE, \ }, \ .ops = &cygnus_ssp_dai_ops, \ - .suspend = cygnus_ssp_suspend, \ - .resume = cygnus_ssp_resume, \ } static const struct snd_soc_dai_driver cygnus_ssp_dai_info[] = { @@ -1169,14 +1186,15 @@ static const struct snd_soc_dai_driver cygnus_spdif_dai_info = { SNDRV_PCM_FMTBIT_S32_LE, }, .ops = &cygnus_spdif_dai_ops, - .suspend = cygnus_ssp_suspend, - .resume = cygnus_ssp_resume, }; static struct snd_soc_dai_driver cygnus_ssp_dai[CYGNUS_MAX_PORTS]; static const struct snd_soc_component_driver cygnus_ssp_component = { - .name = "cygnus-audio", + .name = "cygnus-audio", + .suspend = cygnus_ssp_suspend, + .resume = cygnus_ssp_resume, + .legacy_dai_naming = 1, }; /* @@ -1281,9 +1299,8 @@ static int cygnus_ssp_probe(struct platform_device *pdev) { struct device *dev = &pdev->dev; struct device_node *child_node; - struct resource *res; struct cygnus_audio *cygaud; - int err = -EINVAL; + int err; int node_count; int active_port_count; @@ -1293,13 +1310,11 @@ static int cygnus_ssp_probe(struct platform_device *pdev) dev_set_drvdata(dev, cygaud); - res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "aud"); - cygaud->audio = devm_ioremap_resource(dev, res); + cygaud->audio = devm_platform_ioremap_resource_byname(pdev, "aud"); if (IS_ERR(cygaud->audio)) return PTR_ERR(cygaud->audio); - res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "i2s_in"); - cygaud->i2s_in = devm_ioremap_resource(dev, res); + cygaud->i2s_in = devm_platform_ioremap_resource_byname(pdev, "i2s_in"); if (IS_ERR(cygaud->i2s_in)) return PTR_ERR(cygaud->i2s_in); @@ -1321,8 +1336,10 @@ static int cygnus_ssp_probe(struct platform_device *pdev) &cygnus_ssp_dai[active_port_count]); /* negative is err, 0 is active and good, 1 is disabled */ - if (err < 0) + if (err < 0) { + of_node_put(child_node); return err; + } else if (!err) { dev_dbg(dev, "Activating DAI: %s\n", cygnus_ssp_dai[active_port_count].name); @@ -1342,11 +1359,8 @@ static int cygnus_ssp_probe(struct platform_device *pdev) } cygaud->irq_num = platform_get_irq(pdev, 0); - if (cygaud->irq_num <= 0) { - dev_err(dev, "platform_get_irq failed\n"); - err = cygaud->irq_num; - return err; - } + if (cygaud->irq_num <= 0) + return cygaud->irq_num; err = audio_clk_init(pdev, cygaud); if (err) { @@ -1363,11 +1377,9 @@ static int cygnus_ssp_probe(struct platform_device *pdev) return 0; } -static int cygnus_ssp_remove(struct platform_device *pdev) +static void cygnus_ssp_remove(struct platform_device *pdev) { cygnus_soc_platform_unregister(&pdev->dev); - - return 0; } static const struct of_device_id cygnus_ssp_of_match[] = { |