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/*
* 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__ */
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