lkml.org 
[lkml]   [2022]   [Oct]   [19]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
Patch in this message
/
From
Subject[PATCH 09/14] ASoC: remove unused davinci support
Date
From: Arnd Bergmann <arnd@arndb.de>

The dm644x and dm3xx SoCs have been removed, as have the
da850_evm/da830_evm machines, the remaining machines all use the
DT based probing and do not use the vcif driver.

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
---
sound/soc/ti/Kconfig | 40 ------
sound/soc/ti/Makefile | 2 -
sound/soc/ti/davinci-evm.c | 267 +-----------------------------------
sound/soc/ti/davinci-vcif.c | 247 ---------------------------------
4 files changed, 3 insertions(+), 553 deletions(-)
delete mode 100644 sound/soc/ti/davinci-vcif.c

diff --git a/sound/soc/ti/Kconfig b/sound/soc/ti/Kconfig
index 40110e9a9e8a..593be22503b5 100644
--- a/sound/soc/ti/Kconfig
+++ b/sound/soc/ti/Kconfig
@@ -40,13 +40,6 @@ config SND_SOC_DAVINCI_MCASP
- Keystone devices
- K3 devices (am654, j721e)

-config SND_SOC_DAVINCI_VCIF
- tristate "daVinci Voice Interface (VCIF) support"
- depends on ARCH_DAVINCI || COMPILE_TEST
- select SND_SOC_TI_EDMA_PCM
- help
- Say Y or M here if you want audio support via daVinci VCIF.
-
config SND_SOC_OMAP_DMIC
tristate "Digital Microphone Module (DMIC) support"
depends on ARCH_OMAP4 || SOC_OMAP5 || COMPILE_TEST && COMMON_CLK
@@ -177,14 +170,6 @@ config SND_SOC_OMAP_OSK5912
config SND_SOC_DAVINCI_EVM
tristate "SoC Audio support for DaVinci EVMs"
depends on ARCH_DAVINCI && I2C
- select SND_SOC_DAVINCI_ASP if MACH_DAVINCI_DM355_EVM
- select SND_SOC_DAVINCI_ASP if SND_SOC_DM365_AIC3X_CODEC
- select SND_SOC_DAVINCI_VCIF if SND_SOC_DM365_VOICE_CODEC
- select SND_SOC_DAVINCI_ASP if MACH_DAVINCI_EVM # DM6446
- select SND_SOC_DAVINCI_MCASP if MACH_DAVINCI_DM6467_EVM
- select SND_SOC_SPDIF if MACH_DAVINCI_DM6467_EVM
- select SND_SOC_DAVINCI_MCASP if MACH_DAVINCI_DA830_EVM
- select SND_SOC_DAVINCI_MCASP if MACH_DAVINCI_DA850_EVM
select SND_SOC_TLV320AIC3X
help
Say Y if you want to add support for SoC audio on the following TI
@@ -196,31 +181,6 @@ config SND_SOC_DAVINCI_EVM
- DM830
- DM850

-choice
- prompt "DM365 codec select"
- depends on SND_SOC_DAVINCI_EVM
- depends on MACH_DAVINCI_DM365_EVM
-
-config SND_SOC_DM365_AIC3X_CODEC
- bool "Audio Codec - AIC3101"
- help
- Say Y if you want to add support for AIC3101 audio codec
-
-config SND_SOC_DM365_VOICE_CODEC
- bool "Voice Codec - CQ93VC"
- help
- Say Y if you want to add support for SoC On-chip voice codec
-endchoice
-
-config SND_SOC_DM365_SELECT_VOICE_CODECS
- def_tristate y
- depends on SND_SOC_DM365_VOICE_CODEC && SND_SOC
- select MFD_DAVINCI_VOICECODEC
- select SND_SOC_CQ0093VC
- help
- The is an internal symbol needed to ensure that the codec
- and MFD driver can be built as loadable modules if necessary.
-
config SND_SOC_J721E_EVM
tristate "SoC Audio support for j721e EVM"
depends on ARCH_K3 || COMPILE_TEST && COMMON_CLK
diff --git a/sound/soc/ti/Makefile b/sound/soc/ti/Makefile
index a21e5b0061de..41cdcaec770d 100644
--- a/sound/soc/ti/Makefile
+++ b/sound/soc/ti/Makefile
@@ -12,14 +12,12 @@ obj-$(CONFIG_SND_SOC_TI_UDMA_PCM) += snd-soc-ti-udma.o
# CPU DAI drivers
snd-soc-davinci-asp-objs := davinci-i2s.o
snd-soc-davinci-mcasp-objs := davinci-mcasp.o
-snd-soc-davinci-vcif-objs := davinci-vcif.o
snd-soc-omap-dmic-objs := omap-dmic.o
snd-soc-omap-mcbsp-objs := omap-mcbsp.o omap-mcbsp-st.o
snd-soc-omap-mcpdm-objs := omap-mcpdm.o

obj-$(CONFIG_SND_SOC_DAVINCI_ASP) += snd-soc-davinci-asp.o
obj-$(CONFIG_SND_SOC_DAVINCI_MCASP) += snd-soc-davinci-mcasp.o
-obj-$(CONFIG_SND_SOC_DAVINCI_VCIF) += snd-soc-davinci-vcif.o
obj-$(CONFIG_SND_SOC_OMAP_DMIC) += snd-soc-omap-dmic.o
obj-$(CONFIG_SND_SOC_OMAP_MCBSP) += snd-soc-omap-mcbsp.o
obj-$(CONFIG_SND_SOC_OMAP_MCPDM) += snd-soc-omap-mcpdm.o
diff --git a/sound/soc/ti/davinci-evm.c b/sound/soc/ti/davinci-evm.c
index 68d69e32681a..983d69b951b0 100644
--- a/sound/soc/ti/davinci-evm.c
+++ b/sound/soc/ti/davinci-evm.c
@@ -138,214 +138,6 @@ static int evm_aic3x_init(struct snd_soc_pcm_runtime *rtd)
return 0;
}

-/* davinci-evm digital audio interface glue - connects codec <--> CPU */
-SND_SOC_DAILINK_DEFS(dm6446,
- DAILINK_COMP_ARRAY(COMP_CPU("davinci-mcbsp")),
- DAILINK_COMP_ARRAY(COMP_CODEC("tlv320aic3x-codec.1-001b",
- "tlv320aic3x-hifi")),
- DAILINK_COMP_ARRAY(COMP_PLATFORM("davinci-mcbsp")));
-
-static struct snd_soc_dai_link dm6446_evm_dai = {
- .name = "TLV320AIC3X",
- .stream_name = "AIC3X",
- .init = evm_aic3x_init,
- .ops = &evm_ops,
- .dai_fmt = SND_SOC_DAIFMT_DSP_B | SND_SOC_DAIFMT_CBM_CFM |
- SND_SOC_DAIFMT_IB_NF,
- SND_SOC_DAILINK_REG(dm6446),
-};
-
-SND_SOC_DAILINK_DEFS(dm355,
- DAILINK_COMP_ARRAY(COMP_CPU("davinci-mcbsp.1")),
- DAILINK_COMP_ARRAY(COMP_CODEC("tlv320aic3x-codec.1-001b",
- "tlv320aic3x-hifi")),
- DAILINK_COMP_ARRAY(COMP_PLATFORM("davinci-mcbsp.1")));
-
-static struct snd_soc_dai_link dm355_evm_dai = {
- .name = "TLV320AIC3X",
- .stream_name = "AIC3X",
- .init = evm_aic3x_init,
- .ops = &evm_ops,
- .dai_fmt = SND_SOC_DAIFMT_DSP_B | SND_SOC_DAIFMT_CBM_CFM |
- SND_SOC_DAIFMT_IB_NF,
- SND_SOC_DAILINK_REG(dm355),
-};
-
-#ifdef CONFIG_SND_SOC_DM365_AIC3X_CODEC
-SND_SOC_DAILINK_DEFS(dm365,
- DAILINK_COMP_ARRAY(COMP_CPU("davinci-mcbsp")),
- DAILINK_COMP_ARRAY(COMP_CODEC("tlv320aic3x-codec.1-0018",
- "tlv320aic3x-hifi")),
- DAILINK_COMP_ARRAY(COMP_PLATFORM("davinci-mcbsp")));
-#elif defined(CONFIG_SND_SOC_DM365_VOICE_CODEC)
-SND_SOC_DAILINK_DEFS(dm365,
- DAILINK_COMP_ARRAY(COMP_CPU("davinci-vcif")),
- DAILINK_COMP_ARRAY(COMP_CODEC("cq93vc-codec", "cq93vc-hifi")),
- DAILINK_COMP_ARRAY(COMP_PLATFORM("davinci-vcif")));
-#endif
-
-static struct snd_soc_dai_link dm365_evm_dai = {
-#ifdef CONFIG_SND_SOC_DM365_AIC3X_CODEC
- .name = "TLV320AIC3X",
- .stream_name = "AIC3X",
- .init = evm_aic3x_init,
- .ops = &evm_ops,
- .dai_fmt = SND_SOC_DAIFMT_DSP_B | SND_SOC_DAIFMT_CBM_CFM |
- SND_SOC_DAIFMT_IB_NF,
- SND_SOC_DAILINK_REG(dm365),
-#elif defined(CONFIG_SND_SOC_DM365_VOICE_CODEC)
- .name = "Voice Codec - CQ93VC",
- .stream_name = "CQ93",
- SND_SOC_DAILINK_REG(dm365),
-#endif
-};
-
-SND_SOC_DAILINK_DEFS(dm6467_aic3x,
- DAILINK_COMP_ARRAY(COMP_CPU("davinci-mcasp.0")),
- DAILINK_COMP_ARRAY(COMP_CODEC("tlv320aic3x-codec.0-001a",
- "tlv320aic3x-hifi")),
- DAILINK_COMP_ARRAY(COMP_PLATFORM("davinci-mcasp.0")));
-
-SND_SOC_DAILINK_DEFS(dm6467_spdif,
- DAILINK_COMP_ARRAY(COMP_CPU("davinci-mcasp.1")),
- DAILINK_COMP_ARRAY(COMP_CODEC("spdif_dit", "dit-hifi")),
- DAILINK_COMP_ARRAY(COMP_PLATFORM("davinci-mcasp.1")));
-
-static struct snd_soc_dai_link dm6467_evm_dai[] = {
- {
- .name = "TLV320AIC3X",
- .stream_name = "AIC3X",
- .init = evm_aic3x_init,
- .ops = &evm_ops,
- .dai_fmt = SND_SOC_DAIFMT_DSP_B | SND_SOC_DAIFMT_CBM_CFM |
- SND_SOC_DAIFMT_IB_NF,
- SND_SOC_DAILINK_REG(dm6467_aic3x),
- },
- {
- .name = "McASP",
- .stream_name = "spdif",
- .dai_fmt = SND_SOC_DAIFMT_DSP_B | SND_SOC_DAIFMT_CBM_CFM |
- SND_SOC_DAIFMT_IB_NF,
- SND_SOC_DAILINK_REG(dm6467_spdif),
- },
-};
-
-SND_SOC_DAILINK_DEFS(da830,
- DAILINK_COMP_ARRAY(COMP_CPU("davinci-mcasp.1")),
- DAILINK_COMP_ARRAY(COMP_CODEC("tlv320aic3x-codec.1-0018",
- "tlv320aic3x-hifi")),
- DAILINK_COMP_ARRAY(COMP_PLATFORM("davinci-mcasp.1")));
-
-static struct snd_soc_dai_link da830_evm_dai = {
- .name = "TLV320AIC3X",
- .stream_name = "AIC3X",
- .init = evm_aic3x_init,
- .ops = &evm_ops,
- .dai_fmt = SND_SOC_DAIFMT_DSP_B | SND_SOC_DAIFMT_CBM_CFM |
- SND_SOC_DAIFMT_IB_NF,
- SND_SOC_DAILINK_REG(da830),
-};
-
-SND_SOC_DAILINK_DEFS(da850,
- DAILINK_COMP_ARRAY(COMP_CPU("davinci-mcasp.0")),
- DAILINK_COMP_ARRAY(COMP_CODEC("tlv320aic3x-codec.1-0018",
- "tlv320aic3x-hifi")),
- DAILINK_COMP_ARRAY(COMP_PLATFORM("davinci-mcasp.0")));
-
-static struct snd_soc_dai_link da850_evm_dai = {
- .name = "TLV320AIC3X",
- .stream_name = "AIC3X",
- .init = evm_aic3x_init,
- .ops = &evm_ops,
- .dai_fmt = SND_SOC_DAIFMT_DSP_B | SND_SOC_DAIFMT_CBM_CFM |
- SND_SOC_DAIFMT_IB_NF,
- SND_SOC_DAILINK_REG(da850),
-};
-
-/* davinci dm6446 evm audio machine driver */
-/*
- * ASP0 in DM6446 EVM is clocked by U55, as configured by
- * board-dm644x-evm.c using GPIOs from U18. There are six
- * options; here we "know" we use a 48 KHz sample rate.
- */
-static struct snd_soc_card_drvdata_davinci dm6446_snd_soc_card_drvdata = {
- .sysclk = 12288000,
-};
-
-static struct snd_soc_card dm6446_snd_soc_card_evm = {
- .name = "DaVinci DM6446 EVM",
- .owner = THIS_MODULE,
- .dai_link = &dm6446_evm_dai,
- .num_links = 1,
- .drvdata = &dm6446_snd_soc_card_drvdata,
-};
-
-/* davinci dm355 evm audio machine driver */
-/* ASP1 on DM355 EVM is clocked by an external oscillator */
-static struct snd_soc_card_drvdata_davinci dm355_snd_soc_card_drvdata = {
- .sysclk = 27000000,
-};
-
-static struct snd_soc_card dm355_snd_soc_card_evm = {
- .name = "DaVinci DM355 EVM",
- .owner = THIS_MODULE,
- .dai_link = &dm355_evm_dai,
- .num_links = 1,
- .drvdata = &dm355_snd_soc_card_drvdata,
-};
-
-/* davinci dm365 evm audio machine driver */
-static struct snd_soc_card_drvdata_davinci dm365_snd_soc_card_drvdata = {
- .sysclk = 27000000,
-};
-
-static struct snd_soc_card dm365_snd_soc_card_evm = {
- .name = "DaVinci DM365 EVM",
- .owner = THIS_MODULE,
- .dai_link = &dm365_evm_dai,
- .num_links = 1,
- .drvdata = &dm365_snd_soc_card_drvdata,
-};
-
-/* davinci dm6467 evm audio machine driver */
-static struct snd_soc_card_drvdata_davinci dm6467_snd_soc_card_drvdata = {
- .sysclk = 27000000,
-};
-
-static struct snd_soc_card dm6467_snd_soc_card_evm = {
- .name = "DaVinci DM6467 EVM",
- .owner = THIS_MODULE,
- .dai_link = dm6467_evm_dai,
- .num_links = ARRAY_SIZE(dm6467_evm_dai),
- .drvdata = &dm6467_snd_soc_card_drvdata,
-};
-
-static struct snd_soc_card_drvdata_davinci da830_snd_soc_card_drvdata = {
- .sysclk = 24576000,
-};
-
-static struct snd_soc_card da830_snd_soc_card = {
- .name = "DA830/OMAP-L137 EVM",
- .owner = THIS_MODULE,
- .dai_link = &da830_evm_dai,
- .num_links = 1,
- .drvdata = &da830_snd_soc_card_drvdata,
-};
-
-static struct snd_soc_card_drvdata_davinci da850_snd_soc_card_drvdata = {
- .sysclk = 24576000,
-};
-
-static struct snd_soc_card da850_snd_soc_card = {
- .name = "DA850/OMAP-L138 EVM",
- .owner = THIS_MODULE,
- .dai_link = &da850_evm_dai,
- .num_links = 1,
- .drvdata = &da850_snd_soc_card_drvdata,
-};
-
-#if defined(CONFIG_OF)
-
/*
* The struct is used as place holder. It will be completely
* filled with data from dt node.
@@ -461,71 +253,18 @@ static struct platform_driver davinci_evm_driver = {
.driver = {
.name = "davinci_evm",
.pm = &snd_soc_pm_ops,
- .of_match_table = of_match_ptr(davinci_evm_dt_ids),
+ .of_match_table = davinci_evm_dt_ids,
},
};
-#endif
-
-static struct platform_device *evm_snd_device;

static int __init evm_init(void)
{
- struct snd_soc_card *evm_snd_dev_data;
- int index;
- int ret;
-
- /*
- * If dtb is there, the devices will be created dynamically.
- * Only register platfrom driver structure.
- */
-#if defined(CONFIG_OF)
- if (of_have_populated_dt())
- return platform_driver_register(&davinci_evm_driver);
-#endif
-
- if (machine_is_davinci_evm()) {
- evm_snd_dev_data = &dm6446_snd_soc_card_evm;
- index = 0;
- } else if (machine_is_davinci_dm355_evm()) {
- evm_snd_dev_data = &dm355_snd_soc_card_evm;
- index = 1;
- } else if (machine_is_davinci_dm365_evm()) {
- evm_snd_dev_data = &dm365_snd_soc_card_evm;
- index = 0;
- } else if (machine_is_davinci_dm6467_evm()) {
- evm_snd_dev_data = &dm6467_snd_soc_card_evm;
- index = 0;
- } else if (machine_is_davinci_da830_evm()) {
- evm_snd_dev_data = &da830_snd_soc_card;
- index = 1;
- } else if (machine_is_davinci_da850_evm()) {
- evm_snd_dev_data = &da850_snd_soc_card;
- index = 0;
- } else
- return -EINVAL;
-
- evm_snd_device = platform_device_alloc("soc-audio", index);
- if (!evm_snd_device)
- return -ENOMEM;
-
- platform_set_drvdata(evm_snd_device, evm_snd_dev_data);
- ret = platform_device_add(evm_snd_device);
- if (ret)
- platform_device_put(evm_snd_device);
-
- return ret;
+ return platform_driver_register(&davinci_evm_driver);
}

static void __exit evm_exit(void)
{
-#if defined(CONFIG_OF)
- if (of_have_populated_dt()) {
- platform_driver_unregister(&davinci_evm_driver);
- return;
- }
-#endif
-
- platform_device_unregister(evm_snd_device);
+ platform_driver_unregister(&davinci_evm_driver);
}

module_init(evm_init);
diff --git a/sound/soc/ti/davinci-vcif.c b/sound/soc/ti/davinci-vcif.c
deleted file mode 100644
index 36fa97e2b9e2..000000000000
--- a/sound/soc/ti/davinci-vcif.c
+++ /dev/null
@@ -1,247 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0-or-later
-/*
- * ALSA SoC Voice Codec Interface for TI DAVINCI processor
- *
- * Copyright (C) 2010 Texas Instruments.
- *
- * Author: Miguel Aguilar <miguel.aguilar@ridgerun.com>
- */
-
-#include <linux/init.h>
-#include <linux/module.h>
-#include <linux/device.h>
-#include <linux/delay.h>
-#include <linux/slab.h>
-#include <linux/io.h>
-#include <linux/mfd/davinci_voicecodec.h>
-
-#include <sound/core.h>
-#include <sound/pcm.h>
-#include <sound/pcm_params.h>
-#include <sound/initval.h>
-#include <sound/soc.h>
-#include <sound/dmaengine_pcm.h>
-
-#include "edma-pcm.h"
-#include "davinci-i2s.h"
-
-#define MOD_REG_BIT(val, mask, set) do { \
- if (set) { \
- val |= mask; \
- } else { \
- val &= ~mask; \
- } \
-} while (0)
-
-struct davinci_vcif_dev {
- struct davinci_vc *davinci_vc;
- struct snd_dmaengine_dai_dma_data dma_data[2];
- int dma_request[2];
-};
-
-static void davinci_vcif_start(struct snd_pcm_substream *substream)
-{
- struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream);
- struct davinci_vcif_dev *davinci_vcif_dev =
- snd_soc_dai_get_drvdata(asoc_rtd_to_cpu(rtd, 0));
- struct davinci_vc *davinci_vc = davinci_vcif_dev->davinci_vc;
- u32 w;
-
- /* Start the sample generator and enable transmitter/receiver */
- w = readl(davinci_vc->base + DAVINCI_VC_CTRL);
-
- if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
- MOD_REG_BIT(w, DAVINCI_VC_CTRL_RSTDAC, 0);
- else
- MOD_REG_BIT(w, DAVINCI_VC_CTRL_RSTADC, 0);
-
- writel(w, davinci_vc->base + DAVINCI_VC_CTRL);
-}
-
-static void davinci_vcif_stop(struct snd_pcm_substream *substream)
-{
- struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream);
- struct davinci_vcif_dev *davinci_vcif_dev =
- snd_soc_dai_get_drvdata(asoc_rtd_to_cpu(rtd, 0));
- struct davinci_vc *davinci_vc = davinci_vcif_dev->davinci_vc;
- u32 w;
-
- /* Reset transmitter/receiver and sample rate/frame sync generators */
- w = readl(davinci_vc->base + DAVINCI_VC_CTRL);
- if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
- MOD_REG_BIT(w, DAVINCI_VC_CTRL_RSTDAC, 1);
- else
- MOD_REG_BIT(w, DAVINCI_VC_CTRL_RSTADC, 1);
-
- writel(w, davinci_vc->base + DAVINCI_VC_CTRL);
-}
-
-static int davinci_vcif_hw_params(struct snd_pcm_substream *substream,
- struct snd_pcm_hw_params *params,
- struct snd_soc_dai *dai)
-{
- struct davinci_vcif_dev *davinci_vcif_dev = snd_soc_dai_get_drvdata(dai);
- struct davinci_vc *davinci_vc = davinci_vcif_dev->davinci_vc;
- u32 w;
-
- /* Restart the codec before setup */
- davinci_vcif_stop(substream);
- davinci_vcif_start(substream);
-
- /* General line settings */
- writel(DAVINCI_VC_CTRL_MASK, davinci_vc->base + DAVINCI_VC_CTRL);
-
- writel(DAVINCI_VC_INT_MASK, davinci_vc->base + DAVINCI_VC_INTCLR);
-
- writel(DAVINCI_VC_INT_MASK, davinci_vc->base + DAVINCI_VC_INTEN);
-
- w = readl(davinci_vc->base + DAVINCI_VC_CTRL);
-
- /* Determine xfer data type */
- switch (params_format(params)) {
- case SNDRV_PCM_FORMAT_U8:
- MOD_REG_BIT(w, DAVINCI_VC_CTRL_RD_BITS_8 |
- DAVINCI_VC_CTRL_RD_UNSIGNED |
- DAVINCI_VC_CTRL_WD_BITS_8 |
- DAVINCI_VC_CTRL_WD_UNSIGNED, 1);
- break;
- case SNDRV_PCM_FORMAT_S8:
- MOD_REG_BIT(w, DAVINCI_VC_CTRL_RD_BITS_8 |
- DAVINCI_VC_CTRL_WD_BITS_8, 1);
-
- MOD_REG_BIT(w, DAVINCI_VC_CTRL_RD_UNSIGNED |
- DAVINCI_VC_CTRL_WD_UNSIGNED, 0);
- break;
- case SNDRV_PCM_FORMAT_S16_LE:
- MOD_REG_BIT(w, DAVINCI_VC_CTRL_RD_BITS_8 |
- DAVINCI_VC_CTRL_RD_UNSIGNED |
- DAVINCI_VC_CTRL_WD_BITS_8 |
- DAVINCI_VC_CTRL_WD_UNSIGNED, 0);
- break;
- default:
- printk(KERN_WARNING "davinci-vcif: unsupported PCM format");
- return -EINVAL;
- }
-
- writel(w, davinci_vc->base + DAVINCI_VC_CTRL);
-
- return 0;
-}
-
-static int davinci_vcif_trigger(struct snd_pcm_substream *substream, int cmd,
- struct snd_soc_dai *dai)
-{
- int ret = 0;
-
- switch (cmd) {
- case SNDRV_PCM_TRIGGER_START:
- case SNDRV_PCM_TRIGGER_RESUME:
- case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
- davinci_vcif_start(substream);
- break;
- case SNDRV_PCM_TRIGGER_STOP:
- case SNDRV_PCM_TRIGGER_SUSPEND:
- case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
- davinci_vcif_stop(substream);
- break;
- default:
- ret = -EINVAL;
- }
-
- return ret;
-}
-
-#define DAVINCI_VCIF_RATES SNDRV_PCM_RATE_8000_48000
-
-static const struct snd_soc_dai_ops davinci_vcif_dai_ops = {
- .trigger = davinci_vcif_trigger,
- .hw_params = davinci_vcif_hw_params,
-};
-
-static int davinci_vcif_dai_probe(struct snd_soc_dai *dai)
-{
- struct davinci_vcif_dev *dev = snd_soc_dai_get_drvdata(dai);
-
- dai->playback_dma_data = &dev->dma_data[SNDRV_PCM_STREAM_PLAYBACK];
- dai->capture_dma_data = &dev->dma_data[SNDRV_PCM_STREAM_CAPTURE];
-
- return 0;
-}
-
-static struct snd_soc_dai_driver davinci_vcif_dai = {
- .probe = davinci_vcif_dai_probe,
- .playback = {
- .channels_min = 1,
- .channels_max = 2,
- .rates = DAVINCI_VCIF_RATES,
- .formats = SNDRV_PCM_FMTBIT_S16_LE,},
- .capture = {
- .channels_min = 1,
- .channels_max = 2,
- .rates = DAVINCI_VCIF_RATES,
- .formats = SNDRV_PCM_FMTBIT_S16_LE,},
- .ops = &davinci_vcif_dai_ops,
-
-};
-
-static const struct snd_soc_component_driver davinci_vcif_component = {
- .name = "davinci-vcif",
- .legacy_dai_naming = 1,
-};
-
-static int davinci_vcif_probe(struct platform_device *pdev)
-{
- struct davinci_vc *davinci_vc = pdev->dev.platform_data;
- struct davinci_vcif_dev *davinci_vcif_dev;
- int ret;
-
- davinci_vcif_dev = devm_kzalloc(&pdev->dev,
- sizeof(struct davinci_vcif_dev),
- GFP_KERNEL);
- if (!davinci_vcif_dev)
- return -ENOMEM;
-
- /* DMA tx params */
- davinci_vcif_dev->davinci_vc = davinci_vc;
- davinci_vcif_dev->dma_data[SNDRV_PCM_STREAM_PLAYBACK].filter_data =
- &davinci_vc->davinci_vcif.dma_tx_channel;
- davinci_vcif_dev->dma_data[SNDRV_PCM_STREAM_PLAYBACK].addr =
- davinci_vc->davinci_vcif.dma_tx_addr;
-
- /* DMA rx params */
- davinci_vcif_dev->dma_data[SNDRV_PCM_STREAM_CAPTURE].filter_data =
- &davinci_vc->davinci_vcif.dma_rx_channel;
- davinci_vcif_dev->dma_data[SNDRV_PCM_STREAM_CAPTURE].addr =
- davinci_vc->davinci_vcif.dma_rx_addr;
-
- dev_set_drvdata(&pdev->dev, davinci_vcif_dev);
-
- ret = devm_snd_soc_register_component(&pdev->dev,
- &davinci_vcif_component,
- &davinci_vcif_dai, 1);
- if (ret != 0) {
- dev_err(&pdev->dev, "could not register dai\n");
- return ret;
- }
-
- ret = edma_pcm_platform_register(&pdev->dev);
- if (ret) {
- dev_err(&pdev->dev, "register PCM failed: %d\n", ret);
- return ret;
- }
-
- return 0;
-}
-
-static struct platform_driver davinci_vcif_driver = {
- .probe = davinci_vcif_probe,
- .driver = {
- .name = "davinci-vcif",
- },
-};
-
-module_platform_driver(davinci_vcif_driver);
-
-MODULE_AUTHOR("Miguel Aguilar");
-MODULE_DESCRIPTION("Texas Instruments DaVinci ASoC Voice Codec Interface");
-MODULE_LICENSE("GPL");
--
2.29.2
\
 
 \ /
  Last update: 2022-10-19 17:44    [W:1.064 / U:0.020 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site