diff options
| author | Rahul T R <r-ravikumar@ti.com> | 2023-01-03 15:49:51 +0530 |
|---|---|---|
| committer | Tomi Valkeinen <tomi.valkeinen@ideasonboard.com> | 2023-01-17 17:57:34 +0200 |
| commit | 6b9748f86816f4e25e40d5fdbf7089f73a2051f7 (patch) | |
| tree | 9fb2760127f4146c4f4dbd72233661ef15b76e35 /drivers/gpu/drm/bridge/cadence/cdns-dsi-core.h | |
| parent | 6184e01f9901809b20e674173a6219d6eafcea6a (diff) | |
drm/bridge: cdns-dsi: Add support for J721E wrapper
Add support for wrapper settings for DSI bridge on j721e. Also enable
DPI0
--------------- -----------------------
| -------| |------- |
| DSS | DPI2 |----->| DPI0 | DSI Wrapper |
| -------| |------- |
--------------- -----------------------
As shown above DPI2 output of DSS is connected to DPI0 input of DSI
Wrapper, DSI wrapper gives control wheather to enable/disable DPI0
input. In j721e above is the only configuration supported
Signed-off-by: Rahul T R <r-ravikumar@ti.com>
Reviewed-by: Tomi Valkeinen <tomi.valkeinen@ideasonboard.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Andrzej Hajda <andrzej.hajda@intel.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ideasonboard.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20230103101951.10963-6-r-ravikumar@ti.com
Diffstat (limited to 'drivers/gpu/drm/bridge/cadence/cdns-dsi-core.h')
| -rw-r--r-- | drivers/gpu/drm/bridge/cadence/cdns-dsi-core.h | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/drivers/gpu/drm/bridge/cadence/cdns-dsi-core.h b/drivers/gpu/drm/bridge/cadence/cdns-dsi-core.h index d5bb5caf77b1..ca7ea2da635c 100644 --- a/drivers/gpu/drm/bridge/cadence/cdns-dsi-core.h +++ b/drivers/gpu/drm/bridge/cadence/cdns-dsi-core.h @@ -45,9 +45,29 @@ struct cdns_dsi_input { struct drm_bridge bridge; }; +struct cdns_dsi; + +/** + * struct cdns_dsi_platform_ops - CDNS DSI Platform operations + * @init: Called in the CDNS DSI probe + * @deinit: Called in the CDNS DSI remove + * @enable: Called at the beginning of CDNS DSI bridge enable + * @disable: Called at the end of CDNS DSI bridge disable + */ +struct cdns_dsi_platform_ops { + int (*init)(struct cdns_dsi *dsi); + void (*deinit)(struct cdns_dsi *dsi); + void (*enable)(struct cdns_dsi *dsi); + void (*disable)(struct cdns_dsi *dsi); +}; + struct cdns_dsi { struct mipi_dsi_host base; void __iomem *regs; +#ifdef CONFIG_DRM_CDNS_DSI_J721E + void __iomem *j721e_regs; +#endif + const struct cdns_dsi_platform_ops *platform_ops; struct cdns_dsi_input input; struct cdns_dsi_output output; unsigned int direct_cmd_fifo_depth; |