| // 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. |
| |
| #include "aal.h" |
| |
| #include <fbl/alloc_checker.h> |
| |
| namespace mt8167s_display { |
| |
| zx_status_t Aal::Init(ddk::PDev& pdev) { |
| if (initialized_) { |
| return ZX_OK; |
| } |
| |
| // Map Aal MMIO |
| zx_status_t status = pdev.MapMmio(MMIO_DISP_AAL, &aal_mmio_); |
| if (status != ZX_OK) { |
| DISP_ERROR("Could not map AAL mmio\n"); |
| return status; |
| } |
| |
| // AAL is ready to be used |
| initialized_ = true; |
| return ZX_OK; |
| } |
| |
| zx_status_t Aal::Config() { |
| // Set to bypass mode |
| ZX_DEBUG_ASSERT(initialized_); |
| AalEnReg::Get().ReadFrom(&(*aal_mmio_)).set_enable(1).WriteTo(&(*aal_mmio_)); |
| AalSizeReg::Get() |
| .ReadFrom(&(*aal_mmio_)) |
| .set_vsize(height_) |
| .set_hsize(width_) |
| .WriteTo(&(*aal_mmio_)); |
| AalCfgReg::Get().ReadFrom(&(*aal_mmio_)).set_relay(1).WriteTo(&(*aal_mmio_)); |
| return ZX_OK; |
| } |
| |
| void Aal::PrintRegisters() { |
| ZX_DEBUG_ASSERT(initialized_); |
| zxlogf(INFO, "Dumping Aal Registers"); |
| zxlogf(INFO, "######################\n"); |
| zxlogf(INFO, "AAL_EN = 0x%x", aal_mmio_->Read32(AAL_EN)); |
| zxlogf(INFO, "AAL_CFG = 0x%x", aal_mmio_->Read32(AAL_CFG)); |
| zxlogf(INFO, "AAL_SIZE = 0x%x", aal_mmio_->Read32(AAL_SIZE)); |
| zxlogf(INFO, "######################\n"); |
| } |
| |
| } // namespace mt8167s_display |
