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Diffstat (limited to 'sound/soc/s3c24xx/s3c64xx-i2s-v4.c')
-rw-r--r--sound/soc/s3c24xx/s3c64xx-i2s-v4.c135
1 files changed, 78 insertions, 57 deletions
diff --git a/sound/soc/s3c24xx/s3c64xx-i2s-v4.c b/sound/soc/s3c24xx/s3c64xx-i2s-v4.c
index 06db130030a..a9628472ebf 100644
--- a/sound/soc/s3c24xx/s3c64xx-i2s-v4.c
+++ b/sound/soc/s3c24xx/s3c64xx-i2s-v4.c
@@ -16,9 +16,7 @@
#include <sound/soc.h>
#include <sound/pcm_params.h>
-#include <mach/gpio-bank-c.h>
-#include <mach/gpio-bank-h.h>
-#include <plat/gpio-cfg.h>
+#include <plat/audio.h>
#include <mach/map.h>
#include <mach/dma.h>
@@ -39,34 +37,23 @@ static struct s3c_dma_params s3c64xx_i2sv4_pcm_stereo_out;
static struct s3c_dma_params s3c64xx_i2sv4_pcm_stereo_in;
static struct s3c_i2sv2_info s3c64xx_i2sv4;
-struct snd_soc_dai s3c64xx_i2s_v4_dai;
-EXPORT_SYMBOL_GPL(s3c64xx_i2s_v4_dai);
-
-static inline struct s3c_i2sv2_info *to_info(struct snd_soc_dai *cpu_dai)
+static int s3c64xx_i2sv4_probe(struct snd_soc_dai *dai)
{
- return cpu_dai->private_data;
-}
+ struct s3c_i2sv2_info *i2s = &s3c64xx_i2sv4;
+ int ret = 0;
-static int s3c64xx_i2sv4_probe(struct platform_device *pdev,
- struct snd_soc_dai *dai)
-{
- /* configure GPIO for i2s port */
- s3c_gpio_cfgpin(S3C64XX_GPC(4), S3C64XX_GPC4_I2S_V40_DO0);
- s3c_gpio_cfgpin(S3C64XX_GPC(5), S3C64XX_GPC5_I2S_V40_DO1);
- s3c_gpio_cfgpin(S3C64XX_GPC(7), S3C64XX_GPC7_I2S_V40_DO2);
- s3c_gpio_cfgpin(S3C64XX_GPH(6), S3C64XX_GPH6_I2S_V40_BCLK);
- s3c_gpio_cfgpin(S3C64XX_GPH(7), S3C64XX_GPH7_I2S_V40_CDCLK);
- s3c_gpio_cfgpin(S3C64XX_GPH(8), S3C64XX_GPH8_I2S_V40_LRCLK);
- s3c_gpio_cfgpin(S3C64XX_GPH(9), S3C64XX_GPH9_I2S_V40_DI);
+ snd_soc_dai_set_drvdata(dai, i2s);
- return 0;
+ ret = s3c_i2sv2_probe(dai, i2s, i2s->base);
+
+ return ret;
}
static int s3c_i2sv4_hw_params(struct snd_pcm_substream *substream,
struct snd_pcm_hw_params *params,
struct snd_soc_dai *cpu_dai)
{
- struct s3c_i2sv2_info *i2s = to_info(cpu_dai);
+ struct s3c_i2sv2_info *i2s = snd_soc_dai_get_drvdata(cpu_dai);
struct s3c_dma_params *dma_data;
u32 iismod;
@@ -104,51 +91,79 @@ static struct snd_soc_dai_ops s3c64xx_i2sv4_dai_ops = {
.hw_params = s3c_i2sv4_hw_params,
};
+static struct snd_soc_dai_driver s3c64xx_i2s_v4_dai = {
+ .symmetric_rates = 1,
+ .playback = {
+ .channels_min = 2,
+ .channels_max = 2,
+ .rates = S3C64XX_I2S_RATES,
+ .formats = S3C64XX_I2S_FMTS,
+ },
+ .capture = {
+ .channels_min = 2,
+ .channels_max = 2,
+ .rates = S3C64XX_I2S_RATES,
+ .formats = S3C64XX_I2S_FMTS,
+ },
+ .probe = s3c64xx_i2sv4_probe,
+ .ops = &s3c64xx_i2sv4_dai_ops,
+};
+
static __devinit int s3c64xx_i2sv4_dev_probe(struct platform_device *pdev)
{
+ struct s3c_audio_pdata *i2s_pdata;
struct s3c_i2sv2_info *i2s;
- struct snd_soc_dai *dai;
+ struct resource *res;
int ret;
i2s = &s3c64xx_i2sv4;
- dai = &s3c64xx_i2s_v4_dai;
-
- if (dai->dev) {
- dev_dbg(dai->dev, "%s: \
- I2Sv4 instance already registered!\n", __func__);
- return -EBUSY;
- }
-
- dai->dev = &pdev->dev;
- dai->name = "s3c64xx-i2s-v4";
- dai->id = 0;
- dai->symmetric_rates = 1;
- dai->playback.channels_min = 2;
- dai->playback.channels_max = 2;
- dai->playback.rates = S3C64XX_I2S_RATES;
- dai->playback.formats = S3C64XX_I2S_FMTS;
- dai->capture.channels_min = 2;
- dai->capture.channels_max = 2;
- dai->capture.rates = S3C64XX_I2S_RATES;
- dai->capture.formats = S3C64XX_I2S_FMTS;
- dai->probe = s3c64xx_i2sv4_probe;
- dai->ops = &s3c64xx_i2sv4_dai_ops;
i2s->feature |= S3C_FEATURE_CDCLKCON;
i2s->dma_capture = &s3c64xx_i2sv4_pcm_stereo_in;
i2s->dma_playback = &s3c64xx_i2sv4_pcm_stereo_out;
- i2s->dma_capture->channel = DMACH_HSI_I2SV40_RX;
- i2s->dma_capture->dma_addr = S3C64XX_PA_IISV4 + S3C2412_IISRXD;
- i2s->dma_playback->channel = DMACH_HSI_I2SV40_TX;
- i2s->dma_playback->dma_addr = S3C64XX_PA_IISV4 + S3C2412_IISTXD;
+ res = platform_get_resource(pdev, IORESOURCE_DMA, 0);
+ if (!res) {
+ dev_err(&pdev->dev, "Unable to get I2S-TX dma resource\n");
+ return -ENXIO;
+ }
+ i2s->dma_playback->channel = res->start;
+
+ res = platform_get_resource(pdev, IORESOURCE_DMA, 1);
+ if (!res) {
+ dev_err(&pdev->dev, "Unable to get I2S-RX dma resource\n");
+ return -ENXIO;
+ }
+ i2s->dma_capture->channel = res->start;
+
+ res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
+ if (!res) {
+ dev_err(&pdev->dev, "Unable to get I2S SFR address\n");
+ return -ENXIO;
+ }
+
+ if (!request_mem_region(res->start, resource_size(res),
+ "s3c64xx-i2s-v4")) {
+ dev_err(&pdev->dev, "Unable to request SFR region\n");
+ return -EBUSY;
+ }
+ i2s->dma_capture->dma_addr = res->start + S3C2412_IISRXD;
+ i2s->dma_playback->dma_addr = res->start + S3C2412_IISTXD;
i2s->dma_capture->client = &s3c64xx_dma_client_in;
i2s->dma_capture->dma_size = 4;
i2s->dma_playback->client = &s3c64xx_dma_client_out;
i2s->dma_playback->dma_size = 4;
+ i2s->base = res->start;
+
+ i2s_pdata = pdev->dev.platform_data;
+ if (i2s_pdata && i2s_pdata->cfg_gpio && i2s_pdata->cfg_gpio(pdev)) {
+ dev_err(&pdev->dev, "Unable to configure gpio\n");
+ return -EINVAL;
+ }
+
i2s->iis_cclk = clk_get(&pdev->dev, "audio-bus");
if (IS_ERR(i2s->iis_cclk)) {
dev_err(&pdev->dev, "failed to get audio-bus\n");
@@ -158,19 +173,13 @@ static __devinit int s3c64xx_i2sv4_dev_probe(struct platform_device *pdev)
clk_enable(i2s->iis_cclk);
- ret = s3c_i2sv2_probe(pdev, dai, i2s, 0);
- if (ret)
- goto err_clk;
-
- ret = s3c_i2sv2_register_dai(dai);
+ ret = s3c_i2sv2_register_dai(&pdev->dev, pdev->id, &s3c64xx_i2s_v4_dai);
if (ret != 0)
goto err_i2sv2;
return 0;
err_i2sv2:
- /* Not implemented for I2Sv2 core yet */
-err_clk:
clk_put(i2s->iis_cclk);
err:
return ret;
@@ -178,7 +187,18 @@ err:
static __devexit int s3c64xx_i2sv4_dev_remove(struct platform_device *pdev)
{
- dev_err(&pdev->dev, "Device removal not yet supported\n");
+ struct s3c_i2sv2_info *i2s = &s3c64xx_i2sv4;
+ struct resource *res;
+
+ snd_soc_unregister_dai(&pdev->dev);
+ clk_put(i2s->iis_cclk);
+
+ res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
+ if (res)
+ release_mem_region(res->start, resource_size(res));
+ else
+ dev_warn(&pdev->dev, "Unable to get I2S SFR address\n");
+
return 0;
}
@@ -207,3 +227,4 @@ module_exit(s3c64xx_i2sv4_exit);
MODULE_AUTHOR("Jaswinder Singh, <jassi.brar@samsung.com>");
MODULE_DESCRIPTION("S3C64XX I2Sv4 SoC Interface");
MODULE_LICENSE("GPL");
+MODULE_ALIAS("platform:s3c64xx-iis-v4");
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2024-11-25 01:10:41 +0000