| // 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/debug.h> |
| #include <ddk/device.h> |
| #include <ddk/protocol/platform-bus.h> |
| #include <ddk/protocol/platform-defs.h> |
| #include <soc/aml-s912/s912-hw.h> |
| #include <soc/aml-s912/s912-gpio.h> |
| #include "vim.h" |
| |
| // DMC MMIO for display driver |
| static pbus_mmio_t vim_display_mmios[] = { |
| { |
| .base = S912_PRESET_BASE, |
| .length = S912_PRESET_LENGTH, |
| }, |
| { |
| .base = S912_HDMITX_BASE, |
| .length = S912_HDMITX_LENGTH, |
| }, |
| { |
| .base = S912_HIU_BASE, |
| .length = S912_HIU_LENGTH, |
| }, |
| { |
| .base = S912_VPU_BASE, |
| .length = S912_VPU_LENGTH, |
| }, |
| { |
| .base = S912_HDMITX_SEC_BASE, |
| .length = S912_HDMITX_SEC_LENGTH, |
| }, |
| { |
| .base = S912_DMC_REG_BASE, |
| .length = S912_DMC_REG_LENGTH, |
| }, |
| { |
| .base = S912_CBUS_REG_BASE, |
| .length = S912_CBUS_REG_LENGTH, |
| }, |
| }; |
| |
| const pbus_gpio_t vim_display_gpios[] = { |
| { |
| // HPD |
| .gpio = S912_GPIOH(0), |
| }, |
| }; |
| |
| static const pbus_irq_t vim_display_irqs[] = { |
| { |
| .irq = S912_VIU1_VSYNC_IRQ, |
| .mode = ZX_INTERRUPT_MODE_EDGE_HIGH, |
| }, |
| }; |
| |
| static const pbus_bti_t vim_display_btis[] = { |
| { |
| .iommu_index = 0, |
| .bti_id = BTI_DISPLAY, |
| }, |
| }; |
| |
| static const pbus_dev_t display_dev = { |
| .name = "display", |
| .vid = PDEV_VID_KHADAS, |
| .pid = PDEV_PID_VIM2, |
| .did = PDEV_DID_VIM_DISPLAY, |
| .mmios = vim_display_mmios, |
| .mmio_count = countof(vim_display_mmios), |
| .gpios = vim_display_gpios, |
| .gpio_count = countof(vim_display_gpios), |
| .irqs = vim_display_irqs, |
| .irq_count = countof(vim_display_irqs), |
| .btis = vim_display_btis, |
| .bti_count = countof(vim_display_btis), |
| }; |
| |
| zx_status_t vim_display_init(vim_bus_t* bus) { |
| zx_status_t status; |
| if ((status = pbus_device_add(&bus->pbus, &display_dev, 0)) != ZX_OK) { |
| zxlogf(ERROR, "vim_display_init: pbus_device_add() failed for display: %d\n", status); |
| return status; |
| } |
| |
| return ZX_OK; |
| } |