zircon/system/ulib/mipi-dsi/include/lib/mipi-dsi/mipi-dsi.h

// Copyright 2019 The Fuchsia Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#pragma once
#include <unistd.h>
#include <stdint.h>
#include <stddef.h>
#include <stdio.h>
#include <zircon/compiler.h>
#include <zircon/errors.h>
#include <zircon/types.h>
#include <ddk/protocol/dsiimpl.h>
#include "lib/mipi-dsi/mipi-dsi.h"

// Assigned Virtual Channel ID
// TODO(payamm): Will need to generate and maintain VCID for multi-display
// solutions
#define MIPI_DSI_VIRTUAL_CHAN_ID                (0)

#define MIPI_DSI_DT_VSYNC_START                 (0x01)
#define MIPI_DSI_DT_VSYNC_END                   (0x11)
#define MIPI_DSI_DT_HSYNC_START                 (0x21)
#define MIPI_DSI_DT_HSYNC_END                   (0x31)
#define MIPI_DSI_DT_EOTP                        (0x08)
#define MIPI_DSI_DT_COLOR_MODE_OFF              (0x02)
#define MIPI_DSI_DT_COLOR_MODE_ON               (0x12)
#define MIPI_DSI_DT_PERI_CMD_OFF                (0x22)
#define MIPI_DSI_DT_PERI_CMD_ON                 (0x32)
#define MIPI_DSI_DT_GEN_SHORT_WRITE_0           (0x03)
#define MIPI_DSI_DT_GEN_SHORT_WRITE_1           (0x13)
#define MIPI_DSI_DT_GEN_SHORT_WRITE_2           (0x23)
#define MIPI_DSI_DT_GEN_SHORT_READ_0            (0x04)
#define MIPI_DSI_DT_GEN_SHORT_READ_1            (0x14)
#define MIPI_DSI_DT_GEN_SHORT_READ_2            (0x24)
#define MIPI_DSI_DT_DCS_SHORT_WRITE_0           (0x05)
#define MIPI_DSI_DT_DCS_SHORT_WRITE_1           (0x15)
#define MIPI_DSI_DT_DCS_READ_0                  (0x06)
#define MIPI_DSI_DT_SET_MAX_RET_PKT             (0x37)
#define MIPI_DSI_DT_NULL_PKT                    (0x09)
#define MIPI_DSI_DT_BLAKING_PKT                 (0x19)
#define MIPI_DSI_DT_GEN_LONG_WRITE              (0x29)
#define MIPI_DSI_DT_DCS_LONG_WRITE              (0x39)
#define MIPI_DSI_DT_YCbCr_422_20BIT             (0x0C)
#define MIPI_DSI_DT_YCbCr_422_24BIT             (0x1C)
#define MIPI_DSI_DT_YCbCr_422_16BIT             (0x2C)
#define MIPI_DSI_DT_RGB_101010                  (0x0D)
#define MIPI_DSI_DT_RGB_121212                  (0x1D)
#define MIPI_DSI_DT_YCbCr_420_12BIT             (0x3D)
#define MIPI_DSI_DT_RGB_565                     (0x0E)
#define MIPI_DSI_DT_RGB_666                     (0x1E)
#define MIPI_DSI_DT_RGB_666_L                   (0x2E)
#define MIPI_DSI_DT_RGB_888                     (0x3E)
#define MIPI_DSI_DT_UNKNOWN                     (0xFF)

// MIPI-DSI Response Types
#define MIPI_DSI_RSP_GEN_SHORT_1                (0x11)
#define MIPI_DSI_RSP_GEN_SHORT_2                (0x12)
#define MIPI_DSI_RSP_GEN_LONG                   (0x1A)
#define MIPI_DSI_RSP_DCS_LONG                   (0x1C)
#define MIPI_DSI_RSP_DCS_SHORT_1                (0x21)
#define MIPI_DSI_RSP_DCS_SHORT_2                (0x22)

#define MIPI_DSI_NO_ACK                         (0)
#define MIPI_DSI_ACK                            (1)

#define COMMAND_GEN                             (0)
#define COMMAND_DCS                             (1)

// MipiDsiCmd flag bit def
#define MIPI_DSI_CMD_FLAGS_ACK                  (1 << 0)
#define MIPI_DSI_CMD_FLAGS_SET_MAX              (1 << 1)

namespace mipi_dsi {

class MipiDsi {
public:
    static zx_status_t CreateCommand(const uint8_t* tbuf, size_t tlen,
                                     uint8_t* rbuf, size_t rlen,
                                     bool is_dcs, mipi_dsi_cmd_t* cmd);
};

} // mipi_dsi