diff options
Diffstat (limited to 'drivers/gpu/drm/meson/meson_dw_hdmi.c')
| -rw-r--r-- | drivers/gpu/drm/meson/meson_dw_hdmi.c | 25 |
1 files changed, 17 insertions, 8 deletions
diff --git a/drivers/gpu/drm/meson/meson_dw_hdmi.c b/drivers/gpu/drm/meson/meson_dw_hdmi.c index 8851dcbe6a68..7b86eb7776b3 100644 --- a/drivers/gpu/drm/meson/meson_dw_hdmi.c +++ b/drivers/gpu/drm/meson/meson_dw_hdmi.c @@ -42,18 +42,25 @@ #define DRIVER_NAME "meson-dw-hdmi" #define DRIVER_DESC "Amlogic Meson HDMI-TX DRM driver" -/* +/** + * DOC: HDMI Output + * * HDMI Output is composed of : + * * - A Synopsys DesignWare HDMI Controller IP * - A TOP control block controlling the Clocks and PHY * - A custom HDMI PHY in order convert video to TMDS signal - * ___________________________________ - * | HDMI TOP |<= HPD - * |___________________________________| - * | | | - * | Synopsys HDMI | HDMI PHY |=> TMDS - * | Controller |________________| - * |___________________________________|<=> DDC + * + * .. code:: + * + * ___________________________________ + * | HDMI TOP |<= HPD + * |___________________________________| + * | | | + * | Synopsys HDMI | HDMI PHY |=> TMDS + * | Controller |________________| + * |___________________________________|<=> DDC + * * * The HDMI TOP block only supports HPD sensing. * The Synopsys HDMI Controller interrupt is routed @@ -78,6 +85,7 @@ * audio source interfaces. * * We handle the following features : + * * - HPD Rise & Fall interrupt * - HDMI Controller Interrupt * - HDMI PHY Init for 480i to 1080p60 @@ -85,6 +93,7 @@ * - VENC Mode setup for 480i to 1080p60 * * What is missing : + * * - PHY, Clock and Mode setup for 2k && 4k modes * - SDDC Scrambling mode for HDMI 2.0a * - HDCP Setup |