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// 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.
#include <ddk/binding.h>
#include <ddk/debug.h>
#include <ddk/device.h>
#include <ddk/platform-defs.h>
#include <ddk/protocol/platform/bus.h>
#include <ddk/metadata.h>
#include <ddk/metadata/display.h>
#include <soc/aml-s905d2/s905d2-gpio.h>
#include <soc/aml-s905d2/s905d2-hw.h>
#include <limits.h>
#include "astro.h"
#include "astro-gpios.h"
static const pbus_mmio_t display_mmios[] = {
{
// VBUS/VPU
.base = S905D2_VPU_BASE,
.length = S905D2_VPU_LENGTH,
},
{
// TOP DSI Host Controller (Amlogic Specific)
.base = S905D2_MIPI_TOP_DSI_BASE,
.length = S905D2_MIPI_TOP_DSI_LENGTH,
},
{
// DSI PHY
.base = S905D2_DSI_PHY_BASE,
.length = S905D2_DSI_PHY_LENGTH,
},
{
// HHI
.base = S905D2_HIU_BASE,
.length = S905D2_HIU_LENGTH,
},
{
// AOBUS
.base = S905D2_AOBUS_BASE,
.length = S905D2_AOBUS_LENGTH,
},
{
// CBUS
.base = S905D2_CBUS_BASE,
.length = S905D2_CBUS_LENGTH,
},
};
static const pbus_irq_t display_irqs[] = {
{
.irq = S905D2_VIU1_VSYNC_IRQ,
.mode = ZX_INTERRUPT_MODE_EDGE_HIGH,
},
{
.irq = S905D2_RDMA_DONE,
.mode = ZX_INTERRUPT_MODE_EDGE_HIGH,
},
};
static const display_driver_t display_driver_info[] = {
{
.vid = PDEV_VID_AMLOGIC,
.pid = PDEV_PID_AMLOGIC_S905D2,
.did = PDEV_DID_AMLOGIC_DISPLAY,
},
};
static const pbus_metadata_t display_metadata[] = {
{
.type = DEVICE_METADATA_DISPLAY_DEVICE,
.data_buffer = &display_driver_info,
.data_size = sizeof(display_driver_t),
},
};
static const pbus_bti_t display_btis[] = {
{
.iommu_index = 0,
.bti_id = BTI_DISPLAY,
},
};
static const pbus_mmio_t dsi_mmios[] = {
{
// DSI Host Controller
.base = S905D2_MIPI_DSI_BASE,
.length = S905D2_MIPI_DSI_LENGTH,
},
};
static const pbus_dev_t display_dev = {
.name = "display",
.vid = PDEV_VID_AMLOGIC,
.pid = PDEV_PID_AMLOGIC_S905D2,
.did = PDEV_DID_AMLOGIC_DISPLAY,
.mmio_list = display_mmios,
.mmio_count = countof(display_mmios),
.irq_list = display_irqs,
.irq_count = countof(display_irqs),
.bti_list = display_btis,
.bti_count = countof(display_btis),
};
static const pbus_dev_t dsi_dev = {
.name = "dw-dsi",
.vid = PDEV_VID_GENERIC,
.pid = PDEV_PID_GENERIC,
.did = PDEV_DID_DW_DSI,
.metadata_list = display_metadata,
.metadata_count = countof(display_metadata),
.mmio_list = dsi_mmios,
.mmio_count =countof(dsi_mmios),
};
// Composite binding rules for display driver.
static const zx_bind_inst_t root_match[] = {
BI_MATCH(),
};
static const zx_bind_inst_t dsi_match[] = {
BI_ABORT_IF(NE, BIND_PROTOCOL, ZX_PROTOCOL_DSI_IMPL),
BI_ABORT_IF(NE, BIND_PLATFORM_DEV_VID, PDEV_VID_AMLOGIC),
BI_MATCH_IF(EQ, BIND_PLATFORM_DEV_PID, PDEV_PID_AMLOGIC_S905D2),
BI_MATCH_IF(EQ, BIND_PLATFORM_DEV_DID, PDEV_DID_AMLOGIC_DISPLAY),
};
static const zx_bind_inst_t panel_gpio_match[] = {
BI_ABORT_IF(NE, BIND_PROTOCOL, ZX_PROTOCOL_GPIO),
BI_MATCH_IF(EQ, BIND_GPIO_PIN, GPIO_PANEL_DETECT),
};
static const zx_bind_inst_t lcd_gpio_match[] = {
BI_ABORT_IF(NE, BIND_PROTOCOL, ZX_PROTOCOL_GPIO),
BI_MATCH_IF(EQ, BIND_GPIO_PIN, GPIO_LCD_RESET),
};
static const zx_bind_inst_t sysmem_match[] = {
BI_MATCH_IF(EQ, BIND_PROTOCOL, ZX_PROTOCOL_SYSMEM),
};
static const zx_bind_inst_t canvas_match[] = {
BI_MATCH_IF(EQ, BIND_PROTOCOL, ZX_PROTOCOL_AMLOGIC_CANVAS),
};
static const device_component_part_t dsi_component[] = {
{ countof(root_match), root_match },
{ countof(dsi_match), dsi_match },
};
static const device_component_part_t panel_gpio_component[] = {
{ countof(root_match), root_match },
{ countof(panel_gpio_match), panel_gpio_match },
};
static const device_component_part_t lcd_gpio_component[] = {
{ countof(root_match), root_match },
{ countof(lcd_gpio_match), lcd_gpio_match },
};
static const device_component_part_t sysmem_component[] = {
{ countof(root_match), root_match },
{ countof(sysmem_match), sysmem_match },
};
static const device_component_part_t canvas_component[] = {
{ countof(root_match), root_match },
{ countof(canvas_match), canvas_match },
};
static const device_component_t components[] = {
{ countof(dsi_component), dsi_component },
{ countof(panel_gpio_component), panel_gpio_component },
{ countof(lcd_gpio_component), lcd_gpio_component },
{ countof(sysmem_component), sysmem_component },
{ countof(canvas_component), canvas_component },
};
zx_status_t aml_display_init(aml_bus_t* bus) {
zx_status_t status = pbus_device_add(&bus->pbus, &dsi_dev);
if (status != ZX_OK) {
zxlogf(ERROR, "%s: Could not add dsi dev: %d\n", __FUNCTION__, status);
return status;
}
status = pbus_composite_device_add(&bus->pbus, &display_dev, components, countof(components), 1);
if (status != ZX_OK) {
zxlogf(ERROR, "%s: pbus_composite_device_add failed: %d\n", __FUNCTION__, status);
return status;
}
return ZX_OK;
}