Implements callbacks for OMAP HDMI audio library and registers HDMI audio support with omap_hdmi_audio_register()-call.
Signed-off-by: Jyri Sarha <[email protected]> --- drivers/video/fbdev/omap2/dss/hdmi5.c | 83 +++++++++++++++++++++++++++++++++ 1 file changed, 83 insertions(+) diff --git a/drivers/video/fbdev/omap2/dss/hdmi5.c b/drivers/video/fbdev/omap2/dss/hdmi5.c index 90410f5..3ed7085 100644 --- a/drivers/video/fbdev/omap2/dss/hdmi5.c +++ b/drivers/video/fbdev/omap2/dss/hdmi5.c @@ -38,6 +38,7 @@ #include <linux/gpio.h> #include <linux/regulator/consumer.h> #include <video/omapdss.h> +#include <sound/omap-hdmi-audio.h> #include "hdmi5_core.h" #include "dss.h" @@ -679,6 +680,78 @@ err: return r; } +#if defined(CONFIG_OMAP5_DSS_HDMI_AUDIO) +static int mode_has_audio(struct device *dev) +{ + struct omap_hdmi *hd = dev_get_drvdata(dev); + int ret; + + mutex_lock(&hd->lock); + ret = hdmi_mode_has_audio(&hd->cfg); + mutex_unlock(&hd->lock); + + return ret; +} + +static int audio_enable(struct device *dev, bool enable) +{ + struct omap_hdmi *hd = dev_get_drvdata(dev); + int ret; + + mutex_lock(&hd->lock); + if (!hdmi_mode_has_audio(&hd->cfg)) + ret = -EPERM; + else + ret = hdmi_wp_audio_enable(&hd->wp, enable); + mutex_unlock(&hd->lock); + + return ret; +} + +static int audio_start(struct device *dev, bool enable) +{ + struct omap_hdmi *hd = dev_get_drvdata(dev); + + return hdmi_wp_audio_core_req_enable(&hd->wp, enable); +} + +static int audio_config(struct device *dev, struct omap_dss_audio *dss_audio) +{ + struct omap_hdmi *hd = dev_get_drvdata(dev); + int ret; + + mutex_lock(&hd->lock); + if (!hdmi_mode_has_audio(&hd->cfg)) + ret = -EPERM; + else + ret = hdmi5_audio_config(&hd->core, &hd->wp, dss_audio, + hd->cfg.timings.pixelclock); + mutex_unlock(&hd->lock); + + return ret; +} + +static int hdmi_audio_register(struct device *dev) +{ + struct omap_hdmi_audio ha = { + .dev = dev, + .hw_version = OMAP5_HDMI, + .audio_dma_addr = hdmi_wp_get_audio_dma_addr(&hdmi.wp), + .mode_has_audio = mode_has_audio, + .audio_enable = audio_enable, + .audio_start = audio_start, + .audio_config = audio_config, + }; + + return omap_hdmi_audio_register(&ha); +} +#else /* CONFIG_OMAP5_DSS_HDMI_AUDIO */ +static int hdmi_audio_register(struct device *dev) +{ + return 0; +} +#endif + /* HDMI HW IP initialisation */ static int omapdss_hdmihw_probe(struct platform_device *pdev) { @@ -736,6 +809,14 @@ static int omapdss_hdmihw_probe(struct platform_device *pdev) hdmi_init_output(pdev); + r = hdmi_audio_register(&pdev->dev); + if (r) { + DSSERR("Registering HDMI audio failed\n"); + hdmi_uninit_output(pdev); + pm_runtime_disable(&pdev->dev); + return r; + } + dss_debugfs_create_file("hdmi", hdmi_dump_regs); return 0; @@ -743,6 +824,8 @@ static int omapdss_hdmihw_probe(struct platform_device *pdev) static int __exit omapdss_hdmihw_remove(struct platform_device *pdev) { + omap_hdmi_audio_unregister(&pdev->dev); + hdmi_uninit_output(pdev); pm_runtime_disable(&pdev->dev); -- 1.7.9.5 -- To unsubscribe from this list: send the line "unsubscribe linux-omap" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html
