blob: a7fbfa1051ffb1fd166a21ed11a31bc4b7e632a5 [file] [log] [blame]
// 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 <memory>
#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 <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 <hw/reg.h>
#include <soc/aml-s912/s912-hw.h>
#include <fbl/algorithm.h>
#include <fbl/unique_ptr.h>
#include <zircon/assert.h>
#include <zircon/process.h>
#include <zircon/syscalls.h>
#include <zircon/threads.h>
#include "vim.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\n", 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\n", status);
return -1;
}
if ((status = GpioInit()) != ZX_OK) {
zxlogf(ERROR, "Thread: GpioInit failed: %d\n", status);
return -1;
}
if ((status = I2cInit()) != ZX_OK) {
zxlogf(ERROR, "Thread: I2cInit failed: %d\n", status);
return -1;
}
if ((status = ClkInit()) != ZX_OK) {
zxlogf(ERROR, "Thread: ClkInit failed: %d\n", status);
return -1;
}
if ((status = CanvasInit()) != ZX_OK) {
zxlogf(ERROR, "Thread: CanvasInit failed: %d\n", status);
return -1;
}
// Start platform devices.
if ((status = UartInit()) != ZX_OK) {
zxlogf(ERROR, "Thread: UartInit failed: %d\n", status);
return -1;
}
if ((status = EmmcInit()) != ZX_OK) {
zxlogf(ERROR, "Thread: EmmcInit failed: %d\n", status);
return -1;
}
/*if ((status = SdioInit()) != ZX_OK) {
zxlogf(ERROR, "Thread: SdioInit failed: %d\n", status);
return -1;
}*/
if ((status = EthInit()) != ZX_OK) {
zxlogf(ERROR, "Thread: EthInit failed: %d\n", status);
return -1;
}
if ((status = UsbInit()) != ZX_OK) {
zxlogf(ERROR, "Thread: UsbInit failed: %d\n", status);
return -1;
}
if ((status = MaliInit()) != ZX_OK) {
zxlogf(ERROR, "Thread: MaliInit failed: %d\n", status);
return -1;
}
if ((status = ThermalInit()) != ZX_OK) {
zxlogf(ERROR, "Thread: ThermalInit failed: %d\n", status);
return -1;
}
if ((status = DisplayInit()) != ZX_OK) {
zxlogf(ERROR, "Thread: DisplayInit failed: %d\n", status);
return -1;
}
if ((status = VideoInit()) != ZX_OK) {
zxlogf(ERROR, "Thread: VideoInit failed: %d\n", 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\n", status);
return -1;
}
/*
if ((status = SdInit()) != ZX_OK) {
zxlogf(ERROR, "Thread: SdInit failed: %d\n", 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)