diff options
Diffstat (limited to 'drivers/video/sh_mobile_hdmi.c')
| -rw-r--r-- | drivers/video/sh_mobile_hdmi.c | 84 |
1 files changed, 83 insertions, 1 deletions
diff --git a/drivers/video/sh_mobile_hdmi.c b/drivers/video/sh_mobile_hdmi.c index 2fde08cc66b..ef989d94511 100644 --- a/drivers/video/sh_mobile_hdmi.c +++ b/drivers/video/sh_mobile_hdmi.c @@ -22,6 +22,8 @@ #include <linux/slab.h> #include <linux/types.h> #include <linux/workqueue.h> +#include <sound/soc-dapm.h> +#include <sound/initval.h> #include <video/sh_mobile_hdmi.h> #include <video/sh_mobile_lcdc.h> @@ -222,6 +224,58 @@ static u8 hdmi_read(struct sh_hdmi *hdmi, u8 reg) return ioread8(hdmi->base + reg); } +/* + * HDMI sound + */ +static unsigned int sh_hdmi_snd_read(struct snd_soc_codec *codec, + unsigned int reg) +{ + struct sh_hdmi *hdmi = snd_soc_codec_get_drvdata(codec); + + return hdmi_read(hdmi, reg); +} + +static int sh_hdmi_snd_write(struct snd_soc_codec *codec, + unsigned int reg, + unsigned int value) +{ + struct sh_hdmi *hdmi = snd_soc_codec_get_drvdata(codec); + + hdmi_write(hdmi, value, reg); + return 0; +} + +static struct snd_soc_dai_driver sh_hdmi_dai = { + .name = "sh_mobile_hdmi-hifi", + .playback = { + .stream_name = "Playback", + .channels_min = 2, + .channels_max = 8, + .rates = SNDRV_PCM_RATE_32000 | SNDRV_PCM_RATE_44100 | + SNDRV_PCM_RATE_48000 | SNDRV_PCM_RATE_88200 | + SNDRV_PCM_RATE_96000 | SNDRV_PCM_RATE_176400 | + SNDRV_PCM_RATE_192000, + .formats = SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S24_LE, + }, +}; + +static int sh_hdmi_snd_probe(struct snd_soc_codec *codec) +{ + dev_info(codec->dev, "SH Mobile HDMI Audio Codec"); + + return 0; +} + +static struct snd_soc_codec_driver soc_codec_dev_sh_hdmi = { + .probe = sh_hdmi_snd_probe, + .read = sh_hdmi_snd_read, + .write = sh_hdmi_snd_write, +}; + +/* + * HDMI video + */ + /* External video parameter settings */ static void hdmi_external_video_param(struct sh_hdmi *hdmi) { @@ -318,6 +372,9 @@ static void sh_hdmi_video_config(struct sh_hdmi *hdmi) */ static void sh_hdmi_audio_config(struct sh_hdmi *hdmi) { + u8 data; + struct sh_mobile_hdmi_info *pdata = hdmi->dev->platform_data; + /* * [7:4] L/R data swap control * [3:0] appropriate N[19:16] @@ -335,7 +392,23 @@ static void sh_hdmi_audio_config(struct sh_hdmi *hdmi) * [6:5] set required down sampling rate if required * [4:3] set required audio source */ - hdmi_write(hdmi, 0x00, HDMI_AUDIO_SETTING_1); + switch (pdata->flags & HDMI_SND_SRC_MASK) { + default: + /* fall through */ + case HDMI_SND_SRC_I2S: + data = 0x0 << 3; + break; + case HDMI_SND_SRC_SPDIF: + data = 0x1 << 3; + break; + case HDMI_SND_SRC_DSD: + data = 0x2 << 3; + break; + case HDMI_SND_SRC_HBR: + data = 0x3 << 3; + break; + } + hdmi_write(hdmi, data, HDMI_AUDIO_SETTING_1); /* [3:0] set sending channel number for channel status */ hdmi_write(hdmi, 0x40, HDMI_AUDIO_SETTING_2); @@ -891,6 +964,11 @@ static int __init sh_hdmi_probe(struct platform_device *pdev) return -ENOMEM; } + ret = snd_soc_register_codec(&pdev->dev, + &soc_codec_dev_sh_hdmi, &sh_hdmi_dai, 1); + if (ret < 0) + goto esndreg; + hdmi->dev = &pdev->dev; hdmi->hdmi_clk = clk_get(&pdev->dev, "ick"); @@ -976,6 +1054,8 @@ eclkenable: erate: clk_put(hdmi->hdmi_clk); egetclk: + snd_soc_unregister_codec(&pdev->dev); +esndreg: kfree(hdmi); return ret; @@ -988,6 +1068,8 @@ static int __exit sh_hdmi_remove(struct platform_device *pdev) struct resource *res = platform_get_resource(pdev, IORESOURCE_MEM, 0); int irq = platform_get_irq(pdev, 0); + snd_soc_unregister_codec(&pdev->dev); + pdata->lcd_chan->board_cfg.display_on = NULL; pdata->lcd_chan->board_cfg.display_off = NULL; pdata->lcd_chan->board_cfg.board_data = NULL; |