| // Copyright 2017 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 "vim.h" |
| |
| #include <assert.h> |
| #include <limits.h> |
| #include <stdint.h> |
| #include <stdio.h> |
| #include <stdlib.h> |
| #include <string.h> |
| #include <threads.h> |
| #include <unistd.h> |
| #include <zircon/assert.h> |
| #include <zircon/process.h> |
| #include <zircon/syscalls.h> |
| #include <zircon/threads.h> |
| |
| #include <memory> |
| |
| #include <ddk/binding.h> |
| #include <ddk/debug.h> |
| #include <ddk/device.h> |
| #include <ddk/driver.h> |
| #include <ddk/platform-defs.h> |
| #include <ddk/protocol/scpi.h> |
| #include <fbl/algorithm.h> |
| #include <fbl/alloc_checker.h> |
| #include <hw/reg.h> |
| #include <soc/aml-s912/s912-hw.h> |
| |
| namespace vim { |
| |
| // TODO(rjascani): Remove this when not needed for testing any longer |
| const pbus_dev_t tee_dev = []() { |
| pbus_dev_t dev = {}; |
| dev.name = "tee"; |
| dev.vid = PDEV_VID_GENERIC; |
| dev.pid = PDEV_PID_GENERIC; |
| dev.did = PDEV_DID_OPTEE; |
| return dev; |
| }(); |
| |
| zx_status_t Vim::Create(void* ctx, zx_device_t* parent) { |
| pbus_protocol_t pbus; |
| iommu_protocol_t iommu; |
| pbus_board_info_t info = {}; |
| |
| auto status = device_get_protocol(parent, ZX_PROTOCOL_PBUS, &pbus); |
| if (status != ZX_OK) { |
| return status; |
| } |
| |
| // Set dummy board revision to facilitate testing of platform device get_board_info support. |
| info.board_revision = 1234; |
| pbus_set_board_info(&pbus, &info); |
| |
| status = device_get_protocol(parent, ZX_PROTOCOL_IOMMU, &iommu); |
| if (status != ZX_OK) { |
| return status; |
| } |
| |
| fbl::AllocChecker ac; |
| auto board = std::unique_ptr<Vim>(new (&ac) Vim(parent, &pbus, &iommu)); |
| if (!ac.check()) { |
| return ZX_ERR_NO_MEMORY; |
| } |
| |
| status = board->DdkAdd("vim", DEVICE_ADD_NON_BINDABLE); |
| if (status != ZX_OK) { |
| return status; |
| } |
| |
| // Start up our protocol helpers and platform devices. |
| status = board->Start(); |
| |
| if (status == ZX_OK) { |
| // devmgr is now in charge of the device. |
| __UNUSED auto* dummy = board.release(); |
| } |
| |
| return status; |
| } |
| |
| int Vim::Thread() { |
| zx_status_t status; |
| pdev_board_info_t info; |
| |
| // Fetch the board info so that we can distinguish between the "vim2" and |
| // "vim2-machina" boards. The latter of which does not initialize devices. |
| status = pbus_.GetBoardInfo(&info); |
| if (status != ZX_OK) { |
| zxlogf(ERROR, "Thread: GetBoardInfo failed: %d", status); |
| return -1; |
| } |
| |
| if (info.pid == PDEV_PID_VIM2_MACHINA) { |
| return ZX_OK; |
| } |
| |
| // Start protocol drivers before adding platform devices. |
| // Sysmem is started early so zx_vmo_create_contiguous() works. |
| if ((status = SysmemInit()) != ZX_OK) { |
| zxlogf(ERROR, "Thread: SysmemInit failed: %d", status); |
| return -1; |
| } |
| |
| if ((status = GpioInit()) != ZX_OK) { |
| zxlogf(ERROR, "Thread: GpioInit failed: %d", status); |
| return -1; |
| } |
| |
| if ((status = I2cInit()) != ZX_OK) { |
| zxlogf(ERROR, "Thread: I2cInit failed: %d", status); |
| return -1; |
| } |
| |
| if ((status = ClkInit()) != ZX_OK) { |
| zxlogf(ERROR, "Thread: ClkInit failed: %d", status); |
| return -1; |
| } |
| |
| if ((status = CanvasInit()) != ZX_OK) { |
| zxlogf(ERROR, "Thread: CanvasInit failed: %d", status); |
| return -1; |
| } |
| |
| // Start platform devices. |
| if ((status = UartInit()) != ZX_OK) { |
| zxlogf(ERROR, "Thread: UartInit failed: %d", status); |
| return -1; |
| } |
| |
| if ((status = EmmcInit()) != ZX_OK) { |
| zxlogf(ERROR, "Thread: EmmcInit failed: %d", status); |
| return -1; |
| } |
| |
| if ((status = SdioInit()) != ZX_OK) { |
| zxlogf(ERROR, "Thread: SdioInit failed: %d", status); |
| return -1; |
| } |
| |
| if ((status = EthInit()) != ZX_OK) { |
| zxlogf(ERROR, "Thread: EthInit failed: %d", status); |
| return -1; |
| } |
| |
| if ((status = UsbInit()) != ZX_OK) { |
| zxlogf(ERROR, "Thread: UsbInit failed: %d", status); |
| return -1; |
| } |
| |
| if ((status = MaliInit()) != ZX_OK) { |
| zxlogf(ERROR, "Thread: MaliInit failed: %d", status); |
| return -1; |
| } |
| |
| if ((status = ThermalInit()) != ZX_OK) { |
| zxlogf(ERROR, "Thread: ThermalInit failed: %d", status); |
| return -1; |
| } |
| |
| if ((status = DisplayInit()) != ZX_OK) { |
| zxlogf(ERROR, "Thread: DisplayInit failed: %d", status); |
| return -1; |
| } |
| |
| if ((status = VideoInit()) != ZX_OK) { |
| zxlogf(ERROR, "Thread: VideoInit failed: %d", status); |
| return -1; |
| } |
| |
| // Remove this when not needed for testing any longer |
| if ((status = pbus_.DeviceAdd(&tee_dev)) != ZX_OK) { |
| zxlogf(ERROR, "vim_start_thread, could not add tee_dev: %d", status); |
| return -1; |
| } |
| |
| if ((status = SdInit()) != ZX_OK) { |
| zxlogf(ERROR, "Thread: SdInit failed: %d", status); |
| return -1; |
| } |
| |
| return ZX_OK; |
| } |
| |
| zx_status_t Vim::Start() { |
| int rc = thrd_create_with_name( |
| &thread_, [](void* arg) -> int { return reinterpret_cast<Vim*>(arg)->Thread(); }, this, |
| "vim-start-thread"); |
| |
| if (rc != thrd_success) { |
| return ZX_ERR_INTERNAL; |
| } |
| return ZX_OK; |
| } |
| |
| void Vim::DdkRelease() { delete this; } |
| zx_driver_ops_t vim_driver_ops = []() { |
| zx_driver_ops_t ops = {}; |
| ops.version = DRIVER_OPS_VERSION; |
| ops.bind = Vim::Create; |
| return ops; |
| }(); |
| |
| } // namespace vim |
| |
| ZIRCON_DRIVER_BEGIN(vim, vim::vim_driver_ops, "zircon", "0.1", 4) |
| BI_ABORT_IF(NE, BIND_PROTOCOL, ZX_PROTOCOL_PBUS), |
| BI_ABORT_IF(NE, BIND_PLATFORM_DEV_VID, PDEV_VID_KHADAS), |
| BI_MATCH_IF(EQ, BIND_PLATFORM_DEV_PID, PDEV_PID_VIM2), |
| BI_MATCH_IF(EQ, BIND_PLATFORM_DEV_PID, PDEV_PID_VIM2_MACHINA), ZIRCON_DRIVER_END(vim) |