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path: root/sound/soc/sh/siu_dai.c
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Diffstat (limited to 'sound/soc/sh/siu_dai.c')
-rw-r--r--sound/soc/sh/siu_dai.c97
1 files changed, 58 insertions, 39 deletions
diff --git a/sound/soc/sh/siu_dai.c b/sound/soc/sh/siu_dai.c
index eeed5edd722b..af53b64d8af2 100644
--- a/sound/soc/sh/siu_dai.c
+++ b/sound/soc/sh/siu_dai.c
@@ -71,6 +71,8 @@ struct port_flag {
struct format_flag capture;
};
+struct siu_info *siu_i2s_data;
+
static struct port_flag siu_flags[SIU_PORT_NUM] = {
[SIU_PORT_A] = {
.playback = {
@@ -104,13 +106,13 @@ static struct port_flag siu_flags[SIU_PORT_NUM] = {
static void siu_dai_start(struct siu_port *port_info)
{
- struct siu_info *info = siu_i2s_dai.private_data;
+ struct siu_info *info = siu_i2s_data;
u32 __iomem *base = info->reg;
dev_dbg(port_info->pcm->card->dev, "%s\n", __func__);
/* Turn on SIU clock */
- pm_runtime_get_sync(siu_i2s_dai.dev);
+ pm_runtime_get_sync(info->dev);
/* Issue software reset to siu */
siu_write32(base + SIU_SRCTL, 0);
@@ -148,21 +150,21 @@ static void siu_dai_start(struct siu_port *port_info)
siu_write32(base + SIU_SBDVCB, port_info->capture.volume);
}
-static void siu_dai_stop(void)
+static void siu_dai_stop(struct siu_port *port_info)
{
- struct siu_info *info = siu_i2s_dai.private_data;
+ struct siu_info *info = siu_i2s_data;
u32 __iomem *base = info->reg;
/* SIU software reset */
siu_write32(base + SIU_SRCTL, 0);
/* Turn off SIU clock */
- pm_runtime_put_sync(siu_i2s_dai.dev);
+ pm_runtime_put_sync(info->dev);
}
static void siu_dai_spbAselect(struct siu_port *port_info)
{
- struct siu_info *info = siu_i2s_dai.private_data;
+ struct siu_info *info = siu_i2s_data;
struct siu_firmware *fw = &info->fw;
u32 *ydef = fw->yram0;
u32 idx;
@@ -187,7 +189,7 @@ static void siu_dai_spbAselect(struct siu_port *port_info)
static void siu_dai_spbBselect(struct siu_port *port_info)
{
- struct siu_info *info = siu_i2s_dai.private_data;
+ struct siu_info *info = siu_i2s_data;
struct siu_firmware *fw = &info->fw;
u32 *ydef = fw->yram0;
u32 idx;
@@ -207,7 +209,7 @@ static void siu_dai_spbBselect(struct siu_port *port_info)
static void siu_dai_open(struct siu_stream *siu_stream)
{
- struct siu_info *info = siu_i2s_dai.private_data;
+ struct siu_info *info = siu_i2s_data;
u32 __iomem *base = info->reg;
u32 srctl, ifctl;
@@ -238,7 +240,7 @@ static void siu_dai_open(struct siu_stream *siu_stream)
*/
static void siu_dai_pcmdatapack(struct siu_stream *siu_stream)
{
- struct siu_info *info = siu_i2s_dai.private_data;
+ struct siu_info *info = siu_i2s_data;
u32 __iomem *base = info->reg;
u32 dpak;
@@ -258,7 +260,7 @@ static void siu_dai_pcmdatapack(struct siu_stream *siu_stream)
static int siu_dai_spbstart(struct siu_port *port_info)
{
- struct siu_info *info = siu_i2s_dai.private_data;
+ struct siu_info *info = siu_i2s_data;
u32 __iomem *base = info->reg;
struct siu_firmware *fw = &info->fw;
u32 *ydef = fw->yram0;
@@ -323,7 +325,7 @@ static int siu_dai_spbstart(struct siu_port *port_info)
static void siu_dai_spbstop(struct siu_port *port_info)
{
- struct siu_info *info = siu_i2s_dai.private_data;
+ struct siu_info *info = siu_i2s_data;
u32 __iomem *base = info->reg;
siu_write32(base + SIU_SBACTIV, 0);
@@ -402,7 +404,7 @@ static int siu_dai_put_volume(struct snd_kcontrol *kctrl,
{
struct siu_port *port_info = snd_kcontrol_chip(kctrl);
struct device *dev = port_info->pcm->card->dev;
- struct siu_info *info = siu_i2s_dai.private_data;
+ struct siu_info *info = siu_i2s_data;
u32 __iomem *base = info->reg;
u32 new_vol;
u32 cur_vol;
@@ -510,7 +512,7 @@ void siu_free_port(struct siu_port *port_info)
static int siu_dai_startup(struct snd_pcm_substream *substream,
struct snd_soc_dai *dai)
{
- struct siu_info *info = siu_i2s_dai.private_data;
+ struct siu_info *info = snd_soc_dai_get_drvdata(dai);
struct snd_pcm_runtime *rt = substream->runtime;
struct siu_port *port_info = siu_port_info(substream);
int ret;
@@ -532,7 +534,7 @@ static int siu_dai_startup(struct snd_pcm_substream *substream,
static void siu_dai_shutdown(struct snd_pcm_substream *substream,
struct snd_soc_dai *dai)
{
- struct siu_info *info = siu_i2s_dai.private_data;
+ struct siu_info *info = snd_soc_dai_get_drvdata(dai);
struct siu_port *port_info = siu_port_info(substream);
dev_dbg(substream->pcm->card->dev, "%s: port=%d@%p\n", __func__,
@@ -548,7 +550,7 @@ static void siu_dai_shutdown(struct snd_pcm_substream *substream,
/* during stmread or stmwrite ? */
BUG_ON(port_info->playback.rw_flg || port_info->capture.rw_flg);
siu_dai_spbstop(port_info);
- siu_dai_stop();
+ siu_dai_stop(port_info);
}
}
@@ -556,7 +558,7 @@ static void siu_dai_shutdown(struct snd_pcm_substream *substream,
static int siu_dai_prepare(struct snd_pcm_substream *substream,
struct snd_soc_dai *dai)
{
- struct siu_info *info = siu_i2s_dai.private_data;
+ struct siu_info *info = snd_soc_dai_get_drvdata(dai);
struct snd_pcm_runtime *rt = substream->runtime;
struct siu_port *port_info = siu_port_info(substream);
struct siu_stream *siu_stream;
@@ -605,7 +607,7 @@ fail:
static int siu_dai_set_fmt(struct snd_soc_dai *dai,
unsigned int fmt)
{
- struct siu_info *info = siu_i2s_dai.private_data;
+ struct siu_info *info = snd_soc_dai_get_drvdata(dai);
u32 __iomem *base = info->reg;
u32 ifctl;
@@ -671,21 +673,37 @@ static int siu_dai_set_sysclk(struct snd_soc_dai *dai, int clk_id,
return -EINVAL;
}
- siu_clk = clk_get(siu_i2s_dai.dev, siu_name);
- if (IS_ERR(siu_clk))
+ siu_clk = clk_get(dai->dev, siu_name);
+ if (IS_ERR(siu_clk)) {
+ dev_err(dai->dev, "%s: cannot get a SIU clock: %ld\n", __func__,
+ PTR_ERR(siu_clk));
return PTR_ERR(siu_clk);
+ }
+
+ parent_clk = clk_get(dai->dev, parent_name);
+ if (IS_ERR(parent_clk)) {
+ ret = PTR_ERR(parent_clk);
+ dev_err(dai->dev, "cannot get a SIU clock parent: %d\n", ret);
+ goto epclkget;
+ }
- parent_clk = clk_get(siu_i2s_dai.dev, parent_name);
- if (!IS_ERR(parent_clk)) {
- ret = clk_set_parent(siu_clk, parent_clk);
- if (!ret)
- clk_set_rate(siu_clk, freq);
- clk_put(parent_clk);
+ ret = clk_set_parent(siu_clk, parent_clk);
+ if (ret < 0) {
+ dev_err(dai->dev, "cannot reparent the SIU clock: %d\n", ret);
+ goto eclksetp;
}
+ ret = clk_set_rate(siu_clk, freq);
+ if (ret < 0)
+ dev_err(dai->dev, "cannot set SIU clock rate: %d\n", ret);
+
+ /* TODO: when clkdev gets reference counting we'll move these to siu_dai_shutdown() */
+eclksetp:
+ clk_put(parent_clk);
+epclkget:
clk_put(siu_clk);
- return 0;
+ return ret;
}
static struct snd_soc_dai_ops siu_dai_ops = {
@@ -696,9 +714,8 @@ static struct snd_soc_dai_ops siu_dai_ops = {
.set_fmt = siu_dai_set_fmt,
};
-struct snd_soc_dai siu_i2s_dai = {
- .name = "sh-siu",
- .id = 0,
+static struct snd_soc_dai_driver siu_i2s_dai = {
+ .name = "siu-i2s-dai",
.playback = {
.channels_min = 2,
.channels_max = 2,
@@ -713,7 +730,6 @@ struct snd_soc_dai siu_i2s_dai = {
},
.ops = &siu_dai_ops,
};
-EXPORT_SYMBOL_GPL(siu_i2s_dai);
static int __devinit siu_probe(struct platform_device *pdev)
{
@@ -725,6 +741,8 @@ static int __devinit siu_probe(struct platform_device *pdev)
info = kmalloc(sizeof(*info), GFP_KERNEL);
if (!info)
return -ENOMEM;
+ siu_i2s_data = info;
+ info->dev = &pdev->dev;
ret = request_firmware(&fw_entry, "siu_spb.bin", &pdev->dev);
if (ret)
@@ -767,14 +785,14 @@ static int __devinit siu_probe(struct platform_device *pdev)
if (!info->reg)
goto emapreg;
- siu_i2s_dai.dev = &pdev->dev;
- siu_i2s_dai.private_data = info;
+ dev_set_drvdata(&pdev->dev, info);
- ret = snd_soc_register_dais(&siu_i2s_dai, 1);
+ /* register using ARRAY version so we can keep dai name */
+ ret = snd_soc_register_dais(&pdev->dev, &siu_i2s_dai, 1);
if (ret < 0)
goto edaiinit;
- ret = snd_soc_register_platform(&siu_platform);
+ ret = snd_soc_register_platform(&pdev->dev, &siu_platform);
if (ret < 0)
goto esocregp;
@@ -783,7 +801,7 @@ static int __devinit siu_probe(struct platform_device *pdev)
return ret;
esocregp:
- snd_soc_unregister_dais(&siu_i2s_dai, 1);
+ snd_soc_unregister_dai(&pdev->dev);
edaiinit:
iounmap(info->reg);
emapreg:
@@ -804,13 +822,13 @@ ereqfw:
static int __devexit siu_remove(struct platform_device *pdev)
{
- struct siu_info *info = siu_i2s_dai.private_data;
+ struct siu_info *info = dev_get_drvdata(&pdev->dev);
struct resource *res;
pm_runtime_disable(&pdev->dev);
- snd_soc_unregister_platform(&siu_platform);
- snd_soc_unregister_dais(&siu_i2s_dai, 1);
+ snd_soc_unregister_platform(&pdev->dev);
+ snd_soc_unregister_dai(&pdev->dev);
iounmap(info->reg);
iounmap(info->yram);
@@ -826,7 +844,8 @@ static int __devexit siu_remove(struct platform_device *pdev)
static struct platform_driver siu_driver = {
.driver = {
- .name = "sh_siu",
+ .owner = THIS_MODULE,
+ .name = "siu-pcm-audio",
},
.probe = siu_probe,
.remove = __devexit_p(siu_remove),
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.