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authorSam Ravnborg <sam@ravnborg.org>2020-06-30 20:05:45 +0200
committerSam Ravnborg <sam@ravnborg.org>2020-07-01 11:05:27 +0200
commit92703c710972ee4db0f585668a597e957c781c45 (patch)
treeb335549235ac9380e162ddbb9ccdc751e7865fe1 /include/drm
parentaa9d4081deacba0a9697323d0da56c9023fb835a (diff)
drm/drm_connector: use inline comments for drm_bus_flags
Use inline comments for the drm_bus_flags enum. This makes it easier to add more description comments in the future should the need arise. Signed-off-by: Sam Ravnborg <sam@ravnborg.org> Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Cc: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Cc: Maarten Lankhorst <maarten.lankhorst@linux.intel.com> Cc: Maxime Ripard <mripard@kernel.org> Cc: Thomas Zimmermann <tzimmermann@suse.de> Cc: David Airlie <airlied@linux.ie> Cc: Daniel Vetter <daniel.vetter@ffwll.ch> Link: https://patchwork.freedesktop.org/patch/msgid/20200630180545.1132217-8-sam@ravnborg.org
Diffstat (limited to 'include/drm')
-rw-r--r--include/drm/drm_connector.h100
1 files changed, 77 insertions, 23 deletions
diff --git a/include/drm/drm_connector.h b/include/drm/drm_connector.h
index 7dc804488ccd..af145608b5ed 100644
--- a/include/drm/drm_connector.h
+++ b/include/drm/drm_connector.h
@@ -320,43 +320,97 @@ struct drm_monitor_range_info {
* opposite edge of the driving edge. Transmitters and receivers may however
* need to take other signal timings into account to convert between driving
* and sample edges.
- *
- * @DRM_BUS_FLAG_DE_LOW: The Data Enable signal is active low
- * @DRM_BUS_FLAG_DE_HIGH: The Data Enable signal is active high
- * @DRM_BUS_FLAG_PIXDATA_DRIVE_POSEDGE: Data is driven on the rising edge of
- * the pixel clock
- * @DRM_BUS_FLAG_PIXDATA_DRIVE_NEGEDGE: Data is driven on the falling edge of
- * the pixel clock
- * @DRM_BUS_FLAG_PIXDATA_SAMPLE_POSEDGE: Data is sampled on the rising edge of
- * the pixel clock
- * @DRM_BUS_FLAG_PIXDATA_SAMPLE_NEGEDGE: Data is sampled on the falling edge of
- * the pixel clock
- * @DRM_BUS_FLAG_DATA_MSB_TO_LSB: Data is transmitted MSB to LSB on the bus
- * @DRM_BUS_FLAG_DATA_LSB_TO_MSB: Data is transmitted LSB to MSB on the bus
- * @DRM_BUS_FLAG_SYNC_DRIVE_POSEDGE: Sync signals are driven on the rising
- * edge of the pixel clock
- * @DRM_BUS_FLAG_SYNC_DRIVE_NEGEDGE: Sync signals are driven on the falling
- * edge of the pixel clock
- * @DRM_BUS_FLAG_SYNC_SAMPLE_POSEDGE: Sync signals are sampled on the rising
- * edge of the pixel clock
- * @DRM_BUS_FLAG_SYNC_SAMPLE_NEGEDGE: Sync signals are sampled on the falling
- * edge of the pixel clock
- * @DRM_BUS_FLAG_SHARP_SIGNALS: Set if the Sharp-specific signals
- * (SPL, CLS, PS, REV) must be used
*/
enum drm_bus_flags {
+ /**
+ * @DRM_BUS_FLAG_DE_LOW:
+ *
+ * The Data Enable signal is active low
+ */
DRM_BUS_FLAG_DE_LOW = BIT(0),
+
+ /**
+ * @DRM_BUS_FLAG_DE_HIGH:
+ *
+ * The Data Enable signal is active high
+ */
DRM_BUS_FLAG_DE_HIGH = BIT(1),
+
+ /**
+ * @DRM_BUS_FLAG_PIXDATA_DRIVE_POSEDGE:
+ *
+ * Data is driven on the rising edge of the pixel clock
+ */
DRM_BUS_FLAG_PIXDATA_DRIVE_POSEDGE = BIT(2),
+
+ /**
+ * @DRM_BUS_FLAG_PIXDATA_DRIVE_NEGEDGE:
+ *
+ * Data is driven on the falling edge of the pixel clock
+ */
DRM_BUS_FLAG_PIXDATA_DRIVE_NEGEDGE = BIT(3),
+
+ /**
+ * @DRM_BUS_FLAG_PIXDATA_SAMPLE_POSEDGE:
+ *
+ * Data is sampled on the rising edge of the pixel clock
+ */
DRM_BUS_FLAG_PIXDATA_SAMPLE_POSEDGE = DRM_BUS_FLAG_PIXDATA_DRIVE_NEGEDGE,
+
+ /**
+ * @DRM_BUS_FLAG_PIXDATA_SAMPLE_NEGEDGE:
+ *
+ * Data is sampled on the falling edge of the pixel clock
+ */
DRM_BUS_FLAG_PIXDATA_SAMPLE_NEGEDGE = DRM_BUS_FLAG_PIXDATA_DRIVE_POSEDGE,
+
+ /**
+ * @DRM_BUS_FLAG_DATA_MSB_TO_LSB:
+ *
+ * Data is transmitted MSB to LSB on the bus
+ */
DRM_BUS_FLAG_DATA_MSB_TO_LSB = BIT(4),
+
+ /**
+ * @DRM_BUS_FLAG_DATA_LSB_TO_MSB:
+ *
+ * Data is transmitted LSB to MSB on the bus
+ */
DRM_BUS_FLAG_DATA_LSB_TO_MSB = BIT(5),
+
+ /**
+ * @DRM_BUS_FLAG_SYNC_DRIVE_POSEDGE:
+ *
+ * Sync signals are driven on the rising edge of the pixel clock
+ */
DRM_BUS_FLAG_SYNC_DRIVE_POSEDGE = BIT(6),
+
+ /**
+ * @DRM_BUS_FLAG_SYNC_DRIVE_NEGEDGE:
+ *
+ * Sync signals are driven on the falling edge of the pixel clock
+ */
DRM_BUS_FLAG_SYNC_DRIVE_NEGEDGE = BIT(7),
+
+ /**
+ * @DRM_BUS_FLAG_SYNC_SAMPLE_POSEDGE:
+ *
+ * Sync signals are sampled on the rising edge of the pixel clock
+ */
DRM_BUS_FLAG_SYNC_SAMPLE_POSEDGE = DRM_BUS_FLAG_SYNC_DRIVE_NEGEDGE,
+
+ /**
+ * @DRM_BUS_FLAG_SYNC_SAMPLE_NEGEDGE:
+ *
+ * Sync signals are sampled on the falling edge of the pixel clock
+ */
DRM_BUS_FLAG_SYNC_SAMPLE_NEGEDGE = DRM_BUS_FLAG_SYNC_DRIVE_POSEDGE,
+
+ /**
+ * @DRM_BUS_FLAG_SHARP_SIGNALS:
+ *
+ * Set if the Sharp-specific signals (SPL, CLS, PS, REV) must be used
+ */
DRM_BUS_FLAG_SHARP_SIGNALS = BIT(8),
};