mirror of
https://github.com/openwrt/openwrt.git
synced 2024-12-22 23:12:32 +00:00
146 lines
4.4 KiB
Diff
146 lines
4.4 KiB
Diff
From 13254d51149ce1a0fdbb38fa229c6cc91bcbe6ec Mon Sep 17 00:00:00 2001
|
|
From: Jyri Sarha <jsarha@ti.com>
|
|
Date: Fri, 13 Sep 2013 17:43:18 +0300
|
|
Subject: [PATCH 211/752] ASoC: davinci-evm: Move sysclk logic away from
|
|
evm_hw_params
|
|
|
|
The sysclk rate does not change runtime so it should be initialized at
|
|
init time.
|
|
|
|
Signed-off-by: Jyri Sarha <jsarha@ti.com>
|
|
---
|
|
sound/soc/davinci/davinci-evm.c | 64 +++++++++++++++++++++++++++------------
|
|
1 file changed, 44 insertions(+), 20 deletions(-)
|
|
|
|
--- a/sound/soc/davinci/davinci-evm.c
|
|
+++ b/sound/soc/davinci/davinci-evm.c
|
|
@@ -27,6 +27,10 @@
|
|
#include "davinci-i2s.h"
|
|
#include "davinci-mcasp.h"
|
|
|
|
+struct snd_soc_card_drvdata_davinci {
|
|
+ unsigned sysclk;
|
|
+};
|
|
+
|
|
#define AUDIO_FORMAT (SND_SOC_DAIFMT_DSP_B | \
|
|
SND_SOC_DAIFMT_CBM_CFM | SND_SOC_DAIFMT_IB_NF)
|
|
static int evm_hw_params(struct snd_pcm_substream *substream,
|
|
@@ -35,27 +39,11 @@ static int evm_hw_params(struct snd_pcm_
|
|
struct snd_soc_pcm_runtime *rtd = substream->private_data;
|
|
struct snd_soc_dai *codec_dai = rtd->codec_dai;
|
|
struct snd_soc_dai *cpu_dai = rtd->cpu_dai;
|
|
+ struct snd_soc_codec *codec = rtd->codec;
|
|
+ struct snd_soc_card *soc_card = codec->card;
|
|
int ret = 0;
|
|
- unsigned sysclk;
|
|
-
|
|
- /* ASP1 on DM355 EVM is clocked by an external oscillator */
|
|
- if (machine_is_davinci_dm355_evm() || machine_is_davinci_dm6467_evm() ||
|
|
- machine_is_davinci_dm365_evm())
|
|
- sysclk = 27000000;
|
|
-
|
|
- /* 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.
|
|
- */
|
|
- else if (machine_is_davinci_evm())
|
|
- sysclk = 12288000;
|
|
-
|
|
- else if (machine_is_davinci_da830_evm() ||
|
|
- machine_is_davinci_da850_evm())
|
|
- sysclk = 24576000;
|
|
-
|
|
- else
|
|
- return -EINVAL;
|
|
+ unsigned sysclk = ((struct snd_soc_card_drvdata_davinci *)
|
|
+ snd_soc_card_get_drvdata(soc_card))->sysclk;
|
|
|
|
/* set codec DAI configuration */
|
|
ret = snd_soc_dai_set_fmt(codec_dai, AUDIO_FORMAT);
|
|
@@ -243,35 +231,65 @@ static struct snd_soc_dai_link da850_evm
|
|
};
|
|
|
|
/* 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 = {
|
|
@@ -279,6 +297,11 @@ static struct snd_soc_card da830_snd_soc
|
|
.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 = {
|
|
@@ -286,6 +309,7 @@ static struct snd_soc_card da850_snd_soc
|
|
.owner = THIS_MODULE,
|
|
.dai_link = &da850_evm_dai,
|
|
.num_links = 1,
|
|
+ .drvdata = &da850_snd_soc_card_drvdata,
|
|
};
|
|
|
|
static struct platform_device *evm_snd_device;
|