diff options
Diffstat (limited to 'drivers/sound/wm8994.c')
| -rw-r--r-- | drivers/sound/wm8994.c | 53 |
1 files changed, 52 insertions, 1 deletions
diff --git a/drivers/sound/wm8994.c b/drivers/sound/wm8994.c index 1714f430f3..d731a0dd86 100644 --- a/drivers/sound/wm8994.c +++ b/drivers/sound/wm8994.c @@ -4,6 +4,8 @@ * R. Chandrasekar <rcsekar@samsung.com> */ #include <common.h> +#include <audio_codec.h> +#include <dm.h> #include <div64.h> #include <fdtdec.h> #include <i2c.h> @@ -39,6 +41,7 @@ struct wm8994_priv { int aifclk[WM8994_MAX_AIF]; /* audio interface clock in Hz */ struct wm8994_fll_config fll[2]; /* fll config to configure fll */ int i2c_addr; + struct udevice *dev; }; /* wm 8994 supported sampling rate values */ @@ -79,7 +82,12 @@ static int wm8994_i2c_write(struct wm8994_priv *priv, unsigned int reg, val[1] = (unsigned char)(data & 0xff); debug("Write Addr : 0x%04X, Data : 0x%04X\n", reg, data); +#ifdef CONFIG_DM_SOUND + debug("dev = %s\n", priv->dev->name); + return dm_i2c_write(priv->dev, reg, val, 2); +#else return i2c_write(priv->i2c_addr, reg, 2, val, 2); +#endif } /* @@ -97,7 +105,11 @@ static unsigned int wm8994_i2c_read(struct wm8994_priv *priv, unsigned int reg, unsigned char val[2]; int ret; +#ifdef CONFIG_DM_SOUND + ret = dm_i2c_read(priv->dev, reg, val, 1); +#else ret = i2c_read(priv->i2c_addr, reg, 2, val, 2); +#endif if (ret != 0) { debug("%s: Error while reading register %#04x\n", __func__, reg); @@ -807,6 +819,7 @@ err: return -1; } +#ifndef CONFIG_DM_SOUND /* * Gets fdt values for wm8994 config parameters * @@ -859,6 +872,7 @@ static int get_codec_values(struct sound_codec_info *pcodec_info, return 0; } +#endif static int _wm8994_init(struct wm8994_priv *priv, enum en_audio_interface aif_id, int sampling_rate, @@ -873,7 +887,7 @@ static int _wm8994_init(struct wm8994_priv *priv, return ret; } - ret = wm8994_set_sysclk(priv, aif_id, WM8994_SYSCLK_MCLK1, mclk_freq); + ret = wm8994_set_sysclk(priv, aif_id, WM8994_SYSCLK_MCLK1, mclk_freq); if (ret < 0) { debug("%s: wm8994 codec set sys clock failed\n", __func__); return ret; @@ -891,6 +905,7 @@ static int _wm8994_init(struct wm8994_priv *priv, return ret; } +#ifndef CONFIG_DM_SOUND /* WM8994 Device Initialisation */ int wm8994_init(const void *blob, enum en_audio_interface aif_id, int sampling_rate, int mclk_freq, int bits_per_sample, @@ -918,3 +933,39 @@ int wm8994_init(const void *blob, enum en_audio_interface aif_id, return _wm8994_init(&wm8994_info, aif_id, sampling_rate, mclk_freq, bits_per_sample, channels); } +#endif + +static int wm8994_set_params(struct udevice *dev, int interface, int rate, + int mclk_freq, int bits_per_sample, uint channels) +{ + struct wm8994_priv *priv = dev_get_priv(dev); + + return _wm8994_init(priv, interface, rate, mclk_freq, bits_per_sample, + channels); +} + +static int wm8994_probe(struct udevice *dev) +{ + struct wm8994_priv *priv = dev_get_priv(dev); + + priv->dev = dev; + return wm8994_device_init(priv); +} + +static const struct audio_codec_ops wm8994_ops = { + .set_params = wm8994_set_params, +}; + +static const struct udevice_id wm8994_ids[] = { + { .compatible = "wolfson,wm8994" }, + { } +}; + +U_BOOT_DRIVER(wm8994) = { + .name = "wm8994", + .id = UCLASS_AUDIO_CODEC, + .of_match = wm8994_ids, + .probe = wm8994_probe, + .ops = &wm8994_ops, + .priv_auto_alloc_size = sizeof(struct wm8994_priv), +}; |