system/dev/display/astro-display/common.h

// Copyright 2018 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 <hwreg/mmio.h>

#define DISPLAY_MASK(start, count) (((1 << (count)) - 1) << (start))
#define DISPLAY_SET_MASK(mask, start, count, value) \
                        ((mask & ~DISPLAY_MASK(start, count)) | \
                                (((value) << (start)) & DISPLAY_MASK(start, count)))

#define SET_BIT32(x, dest, value, start, count) \
            WRITE32_##x##_REG(dest, (READ32_##x##_REG(dest) & ~DISPLAY_MASK(start, count)) | \
                                (((value) << (start)) & DISPLAY_MASK(start, count)))

#define GET_BIT32(x, dest, start, count) \
            ((READ32_##x##_REG(dest) >> (start)) & ((1 << (count)) - 1))

#define SET_MASK32(x, dest, mask) \
            WRITE32_##x##_REG(dest, (READ32_##x##_REG(dest) | mask))

#define CLEAR_MASK32(x, dest, mask) \
            WRITE32_##x##_REG(dest, (READ32_##x##_REG(dest) & ~(mask)))

#define WRITE32_REG(x, a, v)            WRITE32_##x##_REG(a, v)
#define READ32_REG(x, a)                READ32_##x##_REG(a)

#define DISP_ERROR(fmt, ...)    zxlogf(ERROR, "[%s %d]" fmt, __func__, __LINE__, ##__VA_ARGS__)
#define DISP_INFO(fmt, ...)     zxlogf(INFO, "[%s %d]" fmt, __func__, __LINE__, ##__VA_ARGS__)
#define DISP_SPEW(fmt, ...)     zxlogf(SPEW, "[%s %d]" fmt, __func__, __LINE__, ##__VA_ARGS__)
#define DISP_TRACE              zxlogf(INFO, "[%s %d]\n", __func__, __LINE__)

// Should match display_mmios table in board driver
enum {
    MMIO_VPU,
    MMIO_MPI_DSI,
    MMIO_DSI_PHY,
    MMIO_HHI,
    MMIO_AOBUS,
    MMIO_CBUS,
};

// Should match display_gpios table in board driver
enum {
    GPIO_BL,
    GPIO_LCD,
    GPIO_PANEL_DETECT,
    GPIO_HW_ID0,
    GPIO_HW_ID1,
    GPIO_HW_ID2,
    GPIO_COUNT,
};

// Should match display_irqs table in board driver
enum {
    IRQ_VSYNC,
    IRQ_RDMA,
};

constexpr uint8_t PANEL_DISPLAY_ID = 1;

// Astro Display dimension
constexpr uint32_t DISPLAY_WIDTH = 608;
constexpr uint32_t DISPLAY_HEIGHT = 1024;

// Sherlock Display dimension
constexpr uint32_t SHERLOCK_DISPLAY_WIDTH = 800;
constexpr uint32_t SHERLOCK_DISPLAY_HEIGHT = 1280;

constexpr bool kBootloaderDisplayEnabled = true;

// Supported panel types
constexpr uint8_t  PANEL_TV070WSM_FT = 0x00;
constexpr uint8_t  PANEL_P070ACB_FT = 0x01;
constexpr uint8_t  PANEL_UNKNOWN = 0xff;

// This display driver supports EVT hardware and onwards. For pre-EVT boards,
// it will simply configure the framebuffer and canvas and assume U-Boot has
// already done all display initializations
constexpr uint8_t  BOARD_REV_P1 = 0;
constexpr uint8_t  BOARD_REV_P2 = 1;
constexpr uint8_t  BOARD_REV_EVT_1 = 2;
constexpr uint8_t  BOARD_REV_EVT_2 = 3;
constexpr uint8_t  BOARD_REV_UNKNOWN = 0xff;

// This structure is populated based on hardware/lcd type. Its values come from vendor.
// This table is the top level structure used to populated all Clocks/LCD/DSI/BackLight/etc
// values
struct DisplaySetting {
    uint32_t lane_num;
    uint32_t bit_rate_max;
    uint32_t clock_factor;
    uint32_t lcd_clock;
    uint32_t h_active;
    uint32_t v_active;
    uint32_t h_period;
    uint32_t v_period;
    uint32_t hsync_width;
    uint32_t hsync_bp;
    uint32_t hsync_pol;
    uint32_t vsync_width;
    uint32_t vsync_bp;
    uint32_t vsync_pol;
};