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Diffstat (limited to 'include/drm/bridge/nwl_dsi.h')
| -rw-r--r-- | include/drm/bridge/nwl_dsi.h | 55 |
1 files changed, 55 insertions, 0 deletions
diff --git a/include/drm/bridge/nwl_dsi.h b/include/drm/bridge/nwl_dsi.h new file mode 100644 index 000000000000..21fe1d0d4313 --- /dev/null +++ b/include/drm/bridge/nwl_dsi.h @@ -0,0 +1,55 @@ +/* + * Copyright (C) 2017 NXP + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation; either version 2 + * of the License, or (at your option) any later version. + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + */ + +#ifndef __NWL_DSI__ +#define __NWL_DSI__ + +#include <drm/drmP.h> +#include <drm/drm_mipi_dsi.h> +#include <linux/phy/phy.h> + +/* + * RGB bit distribution within the 24-bit data bus, + * as specified by the DPI specification + */ +enum dpi_interface_color_coding { + DPI_16_BIT_565_PACKED, /* 0x0 cfg1 */ + DPI_16_BIT_565_ALIGNED, /* 0x1 cfg 2 */ + DPI_16_BIT_565_SHIFTED, /* 0x2 cfg 3 */ + DPI_18_BIT_PACKED, /* 0x3 cfg1 */ + DPI_18_BIT_ALIGNED, /* 0x4* cfg2 */ + DPI_24_BIT /* 0x5 */ +}; + +/* DSI packet type of pixels, as specified by the DPI specification */ +enum dpi_pixel_format { + DPI_FMT_16_BIT, /* 0x0 */ + DPI_FMT_18_BIT, /* 0x1 */ + DPI_FMT_18_BIT_LOOSELY_PACKED, /* 0x2 */ + DPI_FMT_24_BIT /* 0x3 */ +}; + +/* + * Just some helper functions to add/remove a bridge into/from encoder bridge + * chain. + */ +bool nwl_dsi_add_bridge(struct drm_encoder *encoder, + struct drm_bridge *next_bridge); + +bool nwl_dsi_del_bridge(struct drm_encoder *encoder, + struct drm_bridge *bridge); + +unsigned long nwl_dsi_get_bit_clock(struct drm_bridge *bridge, + unsigned long pixclock); + +#endif /* __NWL_DSI_H__ */ |