src/include/mipi/panel.h

   1 /* SPDX-License-Identifier: GPL-2.0-only */
   2
   3 #ifndef __MIPI_PANEL_H__
   4 #define __MIPI_PANEL_H__
   5
   6 #include <edid.h>
   7 #include <mipi/dsi.h>
   8 #include <types.h>
   9
  10 /* Definitions for cmd in panel_init_command */
  11 enum panel_init_cmd {
  12         PANEL_CMD_END = 0,
  13         PANEL_CMD_DELAY = 1,
  14         PANEL_CMD_GENERIC = 2,
  15         PANEL_CMD_DCS = 3,
  16 };
  17
  18 struct panel_init_command {
  19         u8 cmd;
  20         u8 len;
  21         u8 data[];
  22 };
  23
  24 /*
  25  * The data to be serialized and put into CBFS.
  26  * Note some fields, for example edid.mode.name, were actually pointers and
  27  * cannot be really serialized.
  28  */
  29 struct panel_serializable_data {
  30         struct edid edid;  /* edid info of this panel */
  31         u8 init[]; /* A packed array of panel_init_command */
  32 };
  33
  34 typedef enum cb_err (*mipi_cmd_func_t)(enum mipi_dsi_transaction type, const u8 *data, u8 len);
  35
  36 /* Parse a command array and call cmd_func() for each entry. Delays get handled internally. */
  37 enum cb_err mipi_panel_parse_init_commands(const void *buf, mipi_cmd_func_t cmd_func);
  38
  39 #define PANEL_DCS(...) \
  40         PANEL_CMD_DCS, \
  41         sizeof((u8[]){__VA_ARGS__}), \
  42         __VA_ARGS__
  43
  44 #define PANEL_GENERIC(...) \
  45         PANEL_CMD_GENERIC, \
  46         sizeof((u8[]){__VA_ARGS__}), \
  47         __VA_ARGS__
  48
  49 #define PANEL_DELAY(delay) \
  50         PANEL_CMD_DELAY, \
  51         delay
  52
  53 #define PANEL_END \
  54         PANEL_CMD_END
  55
  56 #endif /* __MIPI_PANEL_H__ */