korg/linux
0
0
Fork 0
mirror of https://mirrors.bfsu.edu.cn/git/linux.git synced 2024-11-30 07:34:12 +08:00
Code Issues Packages Projects Releases Wiki Activity

drm/drm_connector: use inline comments for drm_bus_flags

Browse Source 
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
This commit is contained in:
Sam Ravnborg 2020-06-30 20:05:45 +02:00
parent aa9d4081de
commit 92703c7109
1 changed files with 77 additions and 23 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

100
include/drm/drm_connector.h
View File

@ -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),
};