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Atmosphere/stratosphere/boot/source/boot_display.cpp

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boot: implement ShowSplashScreen/Display
2019-05-03 12:00:03 +00:00
/*
* Copyright (c) 2018-2019 Atmosphère-NX
*
* This program is free software; you can redistribute it and/or modify it
* under the terms and conditions of the GNU General Public License,
* version 2, as published by the Free Software Foundation.
*
* This program is distributed in the hope it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
* more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include "boot_functions.hpp"
#include "boot_display_config.hpp"
#include "i2c_driver/i2c_api.hpp"
/* Helpful defines. */
constexpr size_t DeviceAddressSpaceAlignSize = 0x400000;
constexpr size_t DeviceAddressSpaceAlignMask = DeviceAddressSpaceAlignSize - 1;
constexpr uintptr_t FrameBufferPaddr = DisplayConfigFrameBufferAddress;
constexpr size_t FrameBufferWidth = 768;
constexpr size_t FrameBufferHeight = 1280;
constexpr size_t FrameBufferSize = FrameBufferHeight * FrameBufferWidth * sizeof(u32);
constexpr uintptr_t Disp1Base = 0x54200000ul;
constexpr uintptr_t DsiBase = 0x54300000ul;
constexpr uintptr_t ClkRstBase = 0x60006000ul;
constexpr uintptr_t GpioBase = 0x6000D000ul;
constexpr uintptr_t ApbMiscBase = 0x70000000ul;
constexpr uintptr_t MipiCalBase = 0x700E3000ul;
constexpr size_t Disp1Size = 0x3000;
constexpr size_t DsiSize = 0x1000;
constexpr size_t ClkRstSize = 0x1000;
constexpr size_t GpioSize = 0x1000;
constexpr size_t ApbMiscSize = 0x1000;
constexpr size_t MipiCalSize = 0x1000;
/* Types. */
/* Globals. */
static bool g_is_display_intialized = false;
static u32 *g_frame_buffer = nullptr;
static bool g_is_mariko = false;
static u32 g_lcd_vendor = 0;
static Handle g_dc_das_hnd = INVALID_HANDLE;
static u8 g_frame_buffer_storage[DeviceAddressSpaceAlignSize + FrameBufferSize];
static uintptr_t g_disp1_regs = 0;
static uintptr_t g_dsi_regs = 0;
static uintptr_t g_clk_rst_regs = 0;
static uintptr_t g_gpio_regs = 0;
static uintptr_t g_apb_misc_regs = 0;
static uintptr_t g_mipi_cal_regs = 0;
static inline uintptr_t QueryVirtualAddress(uintptr_t phys, size_t size) {
uintptr_t aligned_phys = phys & ~0xFFFul;
size_t aligned_size = size + (phys - aligned_phys);
uintptr_t aligned_virt;
if (R_FAILED(svcQueryIoMapping(&aligned_virt, aligned_phys, aligned_size))) {
std::abort();
}
return aligned_virt + (phys - aligned_phys);
}
static inline void WriteRegister(volatile u32 *reg, u32 val) {
*reg = val;
}
static inline void WriteRegister(uintptr_t reg, u32 val) {
WriteRegister(reinterpret_cast<volatile u32 *>(reg), val);
}
static inline u32 ReadRegister(volatile u32 *reg) {
u32 val = *reg;
return val;
}
static inline u32 ReadRegister(uintptr_t reg) {
return ReadRegister(reinterpret_cast<volatile u32 *>(reg));
}
static inline void SetRegisterBits(volatile u32 *reg, u32 mask) {
*reg |= mask;
}
static inline void SetRegisterBits(uintptr_t reg, u32 mask) {
SetRegisterBits(reinterpret_cast<volatile u32 *>(reg), mask);
}
static inline void ClearRegisterBits(volatile u32 *reg, u32 mask) {
*reg &= mask;
}
static inline void ClearRegisterBits(uintptr_t reg, u32 mask) {
ClearRegisterBits(reinterpret_cast<volatile u32 *>(reg), mask);
}
static inline void ReadWriteRegisterBits(volatile u32 *reg, u32 val, u32 mask) {
*reg = (*reg & (~mask)) | (val & mask);
}
static inline void ReadWriteRegisterBits(uintptr_t reg, u32 val, u32 mask) {
ReadWriteRegisterBits(reinterpret_cast<volatile u32 *>(reg), val, mask);
}
static void InitializeRegisterBaseAddresses() {
g_disp1_regs = QueryVirtualAddress(Disp1Base, Disp1Size);
g_dsi_regs = QueryVirtualAddress(DsiBase, DsiSize);
g_clk_rst_regs = QueryVirtualAddress(ClkRstBase, ClkRstSize);
g_gpio_regs = QueryVirtualAddress(GpioBase, GpioSize);
g_apb_misc_regs = QueryVirtualAddress(ApbMiscBase, ApbMiscSize);
g_mipi_cal_regs = QueryVirtualAddress(MipiCalBase, MipiCalSize);
}
static inline void DoRegisterWrites(uintptr_t base_address, const RegisterWrite *reg_writes, size_t num_writes) {
for (size_t i = 0; i < num_writes; i++) {
*(reinterpret_cast<volatile u32 *>(base_address + reg_writes[i].offset)) = reg_writes[i].value;
}
}
static inline void DoSocDependentRegisterWrites(uintptr_t base_address, const RegisterWrite *reg_writes_erista, size_t num_writes_erista, const RegisterWrite *reg_writes_mariko, size_t num_writes_mariko) {
if (g_is_mariko) {
DoRegisterWrites(base_address, reg_writes_mariko, num_writes_mariko);
} else {
DoRegisterWrites(base_address, reg_writes_erista, num_writes_erista);
}
}
static inline void DoDsiSleepOrRegisterWrites(const DsiSleepOrRegisterWrite *reg_writes, size_t num_writes) {
for (size_t i = 0; i < num_writes; i++) {
if (reg_writes[i].kind == DsiSleepOrRegisterWriteKind_Write) {
*(reinterpret_cast<volatile u32 *>(g_dsi_regs + sizeof(u32) * reg_writes[i].offset)) = reg_writes[i].value;
} else if (reg_writes[i].kind == DsiSleepOrRegisterWriteKind_Sleep) {
svcSleepThread(1'000'000ul * reg_writes[i].offset);
} else {
std::abort();
}
}
}
#define DO_REGISTER_WRITES(base_address, writes) DoRegisterWrites(base_address, writes, sizeof(writes) / sizeof(writes[0]))
#define DO_SOC_DEPENDENT_REGISTER_WRITES(base_address, writes) DoSocDependentRegisterWrites(base_address, writes##Erista, sizeof(writes##Erista) / sizeof(writes##Erista[0]), writes##Mariko, sizeof(writes##Mariko) / sizeof(writes##Mariko[0]))
#define DO_DSI_SLEEP_OR_REGISTER_WRITES(writes) DoDsiSleepOrRegisterWrites(writes, sizeof(writes) / sizeof(writes[0]))
static void InitializeFrameBuffer() {
if (g_frame_buffer != nullptr) {
std::memset(g_frame_buffer, 0x00, FrameBufferSize);
armDCacheFlush(g_frame_buffer, FrameBufferSize);
} else {
const uintptr_t frame_buffer_aligned = ((reinterpret_cast<uintptr_t>(g_frame_buffer_storage) + DeviceAddressSpaceAlignMask) & ~uintptr_t(DeviceAddressSpaceAlignMask));
g_frame_buffer = reinterpret_cast<u32 *>(frame_buffer_aligned);
boot: implement battery icon drawing functions
2019-05-06 20:33:54 +00:00
std::memset(g_frame_buffer, 0x00, FrameBufferSize);
boot: implement ShowSplashScreen/Display
2019-05-03 12:00:03 +00:00
armDCacheFlush(g_frame_buffer, FrameBufferSize);
constexpr u64 DeviceName_DC = 2;
/* Create Address Space. */
if (R_FAILED(svcCreateDeviceAddressSpace(&g_dc_das_hnd, 0, (1ul << 32)))) {
std::abort();
}
/* Attach it to the DC. */
if (R_FAILED(svcAttachDeviceAddressSpace(DeviceName_DC, g_dc_das_hnd))) {
std::abort();
}
/* Map the framebuffer for the DC as read-only. */
if (R_FAILED(svcMapDeviceAddressSpaceAligned(g_dc_das_hnd, CUR_PROCESS_HANDLE, frame_buffer_aligned, FrameBufferSize, FrameBufferPaddr, 1))) {
std::abort();
}
}
}
static void FinalizeFrameBuffer() {
if (g_frame_buffer != nullptr) {
const uintptr_t frame_buffer_aligned = reinterpret_cast<uintptr_t>(g_frame_buffer);
constexpr u64 DeviceName_DC = 2;
/* Unmap the framebuffer from the DC. */
if (R_FAILED(svcUnmapDeviceAddressSpace(g_dc_das_hnd, CUR_PROCESS_HANDLE, frame_buffer_aligned, FrameBufferSize, FrameBufferPaddr))) {
std::abort();
}
/* Detach address space from the DC. */
if (R_FAILED(svcDetachDeviceAddressSpace(DeviceName_DC, g_dc_das_hnd))) {
std::abort();
}
/* Close the address space. */
if (R_FAILED(svcCloseHandle(g_dc_das_hnd))) {
std::abort();
}
g_dc_das_hnd = INVALID_HANDLE;
g_frame_buffer = nullptr;
}
}
static void WaitDsiTrigger() {
TimeoutHelper timeout_helper(250'000'000ul);
while (true) {
if (timeout_helper.TimedOut()) {
break;
}
if (ReadRegister(g_dsi_regs + sizeof(u32) * DSI_TRIGGER) == 0) {
break;
}
}
svcSleepThread(5'000ul);
}
static void WaitDsiHostControl() {
TimeoutHelper timeout_helper(150'000'000ul);
while (true) {
if (timeout_helper.TimedOut()) {
break;
}
if ((ReadRegister(g_dsi_regs + sizeof(u32) * DSI_HOST_CONTROL) & DSI_HOST_CONTROL_IMM_BTA) == 0) {
break;
}
}
}
void Boot::InitializeDisplay() {
/* Setup globals. */
InitializeRegisterBaseAddresses();
g_is_mariko = Boot::IsMariko();
InitializeFrameBuffer();
/* Turn on DSI/voltage rail. */
{
I2cSessionImpl i2c_session;
I2cDriver::Initialize();
I2cDriver::OpenSession(&i2c_session, I2cDevice_Max77620Pmic);
if (g_is_mariko) {
Boot::WriteI2cRegister(i2c_session, 0x18, 0x3A);
Boot::WriteI2cRegister(i2c_session, 0x1F, 0x71);
}
Boot::WriteI2cRegister(i2c_session, 0x23, 0xD0);
I2cDriver::Finalize();
}
/* Enable MIPI CAL, DSI, DISP1, HOST1X, UART_FST_MIPI_CAL, DSIA LP clocks. */
WriteRegister(g_clk_rst_regs + CLK_RST_CONTROLLER_RST_DEV_H_CLR, 0x1010000);
WriteRegister(g_clk_rst_regs + CLK_RST_CONTROLLER_CLK_ENB_H_SET, 0x1010000);
WriteRegister(g_clk_rst_regs + CLK_RST_CONTROLLER_RST_DEV_L_CLR, 0x18000000);
WriteRegister(g_clk_rst_regs + CLK_RST_CONTROLLER_CLK_ENB_L_SET, 0x18000000);
WriteRegister(g_clk_rst_regs + CLK_RST_CONTROLLER_CLK_ENB_X_SET, 0x20000);
WriteRegister(g_clk_rst_regs + CLK_RST_CONTROLLER_CLK_SOURCE_UART_FST_MIPI_CAL, 0xA);
WriteRegister(g_clk_rst_regs + CLK_RST_CONTROLLER_CLK_ENB_W_SET, 0x80000);
WriteRegister(g_clk_rst_regs + CLK_RST_CONTROLLER_CLK_SOURCE_DSIA_LP, 0xA);
/* DPD idle. */
WritePmcRegister(PmcBase + APBDEV_PMC_IO_DPD_REQ, 0x40000000);
WritePmcRegister(PmcBase + APBDEV_PMC_IO_DPD2_REQ, 0x40000000);
/* Configure LCD pinmux tristate + passthrough. */
ClearRegisterBits(g_apb_misc_regs + 0x3000 + PINMUX_AUX_NFC_EN, ~PINMUX_TRISTATE);
ClearRegisterBits(g_apb_misc_regs + 0x3000 + PINMUX_AUX_NFC_INT, ~PINMUX_TRISTATE);
ClearRegisterBits(g_apb_misc_regs + 0x3000 + PINMUX_AUX_LCD_BL_PWM, ~PINMUX_TRISTATE);
ClearRegisterBits(g_apb_misc_regs + 0x3000 + PINMUX_AUX_LCD_BL_EN, ~PINMUX_TRISTATE);
ClearRegisterBits(g_apb_misc_regs + 0x3000 + PINMUX_AUX_LCD_RST, ~PINMUX_TRISTATE);
/* Configure LCD power, VDD. */
SetRegisterBits(g_gpio_regs + GPIO_PORT3_CNF_0, 0x3);
SetRegisterBits(g_gpio_regs + GPIO_PORT3_OE_0, 0x3);
SetRegisterBits(g_gpio_regs + GPIO_PORT3_OUT_0, 0x1);
svcSleepThread(10'000'000ul);
SetRegisterBits(g_gpio_regs + GPIO_PORT3_OUT_0, 0x2);
svcSleepThread(10'000'000ul);
/* Configure LCD backlight. */
SetRegisterBits(g_gpio_regs + GPIO_PORT6_CNF_1, 0x7);
SetRegisterBits(g_gpio_regs + GPIO_PORT6_OE_1, 0x7);
SetRegisterBits(g_gpio_regs + GPIO_PORT6_OUT_1, 0x2);
/* Configure display interface and display. */
WriteRegister(g_mipi_cal_regs + 0x060, 0);
if (g_is_mariko) {
WriteRegister(g_mipi_cal_regs + 0x058, 0);
WriteRegister(g_apb_misc_regs + 0xAC0, 0);
}
/* Execute configs. */
DO_SOC_DEPENDENT_REGISTER_WRITES(g_clk_rst_regs, DisplayConfigPlld01);
DO_REGISTER_WRITES(g_disp1_regs, DisplayConfigDc01);
DO_REGISTER_WRITES(g_dsi_regs, DisplayConfigDsi01Init01);
/* NOTE: Nintendo bug here. */
/* As of 8.0.0, Nintendo writes this list to CAR instead of DSI */
/* This results in them zeroing CLK_SOURCE_UARTA... */
DO_SOC_DEPENDENT_REGISTER_WRITES(g_dsi_regs, DisplayConfigDsi01Init02);
DO_REGISTER_WRITES(g_dsi_regs, DisplayConfigDsi01Init03);
DO_SOC_DEPENDENT_REGISTER_WRITES(g_dsi_regs, DisplayConfigDsi01Init04);
DO_REGISTER_WRITES(g_dsi_regs, DisplayConfigDsi01Init05);
DO_SOC_DEPENDENT_REGISTER_WRITES(g_dsi_regs, DisplayConfigDsiPhyTiming);
DO_REGISTER_WRITES(g_dsi_regs, DisplayConfigDsi01Init06);
DO_SOC_DEPENDENT_REGISTER_WRITES(g_dsi_regs, DisplayConfigDsiPhyTiming);
DO_REGISTER_WRITES(g_dsi_regs, DisplayConfigDsi01Init07);
svcSleepThread(10'000'000ul);
/* Enable backlight reset. */
SetRegisterBits(g_gpio_regs + GPIO_PORT6_OUT_1, 0x4);
svcSleepThread(60'000'000ul);
WriteRegister(g_dsi_regs + sizeof(u32) * DSI_BTA_TIMING, 0x50204);
WriteRegister(g_dsi_regs + sizeof(u32) * DSI_WR_DATA, 0x337);
WriteRegister(g_dsi_regs + sizeof(u32) * DSI_TRIGGER, DSI_TRIGGER_HOST);
WaitDsiTrigger();
WriteRegister(g_dsi_regs + sizeof(u32) * DSI_WR_DATA, 0x406);
WriteRegister(g_dsi_regs + sizeof(u32) * DSI_TRIGGER, DSI_TRIGGER_HOST);
WaitDsiTrigger();
WriteRegister(g_dsi_regs + sizeof(u32) * DSI_HOST_CONTROL, DSI_HOST_CONTROL_TX_TRIG_HOST | DSI_HOST_CONTROL_IMM_BTA | DSI_HOST_CONTROL_CS | DSI_HOST_CONTROL_ECC);
WaitDsiHostControl();
svcSleepThread(5'000'000ul);
/* Parse LCD vendor. */
{
u32 host_response[3];
for (size_t i = 0; i < sizeof(host_response) / sizeof(host_response[0]); i++) {
host_response[i] = ReadRegister(g_dsi_regs + sizeof(u32) * DSI_RD_DATA);
}
if ((host_response[2] & 0xFF) == 0x10) {
g_lcd_vendor = 0;
} else {
g_lcd_vendor = (host_response[2] >> 8) & 0xFF00;
}
g_lcd_vendor = (g_lcd_vendor & 0xFFFFFF00) | (host_response[2] & 0xFF);
}
/* LCD vendor specific configuration. */
switch (g_lcd_vendor) {
case 0xF30: /* TODO: What's this? */
WriteRegister(g_dsi_regs + sizeof(u32) * DSI_WR_DATA, 0x1105);
WriteRegister(g_dsi_regs + sizeof(u32) * DSI_TRIGGER, DSI_TRIGGER_HOST);
svcSleepThread(180'000'000ul);
WriteRegister(g_dsi_regs + sizeof(u32) * DSI_WR_DATA, 0x439);
WriteRegister(g_dsi_regs + sizeof(u32) * DSI_WR_DATA, 0x9483FFB9);
WriteRegister(g_dsi_regs + sizeof(u32) * DSI_TRIGGER, DSI_TRIGGER_HOST);
svcSleepThread(5'000'000ul);
WriteRegister(g_dsi_regs + sizeof(u32) * DSI_WR_DATA, 0x739);
WriteRegister(g_dsi_regs + sizeof(u32) * DSI_WR_DATA, 0x711148B1);
WriteRegister(g_dsi_regs + sizeof(u32) * DSI_WR_DATA, 0x143209);
WriteRegister(g_dsi_regs + sizeof(u32) * DSI_TRIGGER, DSI_TRIGGER_HOST);
svcSleepThread(5'000'000ul);
WriteRegister(g_dsi_regs + sizeof(u32) * DSI_WR_DATA, 0x2905);
WriteRegister(g_dsi_regs + sizeof(u32) * DSI_TRIGGER, DSI_TRIGGER_HOST);
break;
case 0xF20: /* TODO: What's this? */
WriteRegister(g_dsi_regs + sizeof(u32) * DSI_WR_DATA, 0x1105);
WriteRegister(g_dsi_regs + sizeof(u32) * DSI_TRIGGER, DSI_TRIGGER_HOST);
svcSleepThread(180'000'000ul);
WriteRegister(g_dsi_regs + sizeof(u32) * DSI_WR_DATA, 0x439);
WriteRegister(g_dsi_regs + sizeof(u32) * DSI_WR_DATA, 0x9483FFB9);
WriteRegister(g_dsi_regs + sizeof(u32) * DSI_TRIGGER, DSI_TRIGGER_HOST);
svcSleepThread(5'000'000ul);
boot: fix missing write in LCD vendor 0xF20 init
2019-05-09 15:15:12 +00:00
WriteRegister(g_dsi_regs + sizeof(u32) * DSI_WR_DATA, 0x739);
boot: implement ShowSplashScreen/Display
2019-05-03 12:00:03 +00:00
WriteRegister(g_dsi_regs + sizeof(u32) * DSI_WR_DATA, 0x751548B1);
WriteRegister(g_dsi_regs + sizeof(u32) * DSI_WR_DATA, 0x143209);
WriteRegister(g_dsi_regs + sizeof(u32) * DSI_TRIGGER, DSI_TRIGGER_HOST);
svcSleepThread(5'000'000ul);
WriteRegister(g_dsi_regs + sizeof(u32) * DSI_WR_DATA, 0x2905);
WriteRegister(g_dsi_regs + sizeof(u32) * DSI_TRIGGER, DSI_TRIGGER_HOST);
break;
case 0x10: /* Japan Display Inc screens. */
DO_DSI_SLEEP_OR_REGISTER_WRITES(DisplayConfigJdiSpecificInit01);
break;
default:
if ((g_lcd_vendor | 0x10) == 0x1030) {
WriteRegister(g_dsi_regs + sizeof(u32) * DSI_WR_DATA, 0x1105);
WriteRegister(g_dsi_regs + sizeof(u32) * DSI_TRIGGER, DSI_TRIGGER_HOST);
svcSleepThread(120'000'000ul);
WriteRegister(g_dsi_regs + sizeof(u32) * DSI_WR_DATA, 0x2905);
WriteRegister(g_dsi_regs + sizeof(u32) * DSI_TRIGGER, DSI_TRIGGER_HOST);
}
break;
}
svcSleepThread(20'000'000ul);
DO_SOC_DEPENDENT_REGISTER_WRITES(g_clk_rst_regs, DisplayConfigPlld02);
DO_REGISTER_WRITES(g_dsi_regs, DisplayConfigDsi01Init08);
DO_SOC_DEPENDENT_REGISTER_WRITES(g_dsi_regs, DisplayConfigDsiPhyTiming);
DO_REGISTER_WRITES(g_dsi_regs, DisplayConfigDsi01Init09);
WriteRegister(g_disp1_regs + sizeof(u32) * DC_DISP_DISP_CLOCK_CONTROL, SHIFT_CLK_DIVIDER(4));
DO_REGISTER_WRITES(g_dsi_regs, DisplayConfigDsi01Init10);
svcSleepThread(10'000'000ul);
/* Configure MIPI CAL. */
DO_REGISTER_WRITES(g_mipi_cal_regs, DisplayConfigMipiCal01);
DO_SOC_DEPENDENT_REGISTER_WRITES(g_mipi_cal_regs, DisplayConfigMipiCal02);
DO_SOC_DEPENDENT_REGISTER_WRITES(g_dsi_regs, DisplayConfigDsi01Init11);
DO_SOC_DEPENDENT_REGISTER_WRITES(g_mipi_cal_regs, DisplayConfigMipiCal03);
DO_REGISTER_WRITES(g_mipi_cal_regs, DisplayConfigMipiCal04);
if (g_is_mariko) {
/* On Mariko the above configurations are executed twice, for some reason. */
DO_SOC_DEPENDENT_REGISTER_WRITES(g_mipi_cal_regs, DisplayConfigMipiCal02);
DO_SOC_DEPENDENT_REGISTER_WRITES(g_dsi_regs, DisplayConfigDsi01Init11);
DO_SOC_DEPENDENT_REGISTER_WRITES(g_mipi_cal_regs, DisplayConfigMipiCal03);
DO_REGISTER_WRITES(g_mipi_cal_regs, DisplayConfigMipiCal04);
}
svcSleepThread(10'000'000ul);
/* Write DISP1, FrameBuffer config. */
DO_REGISTER_WRITES(g_disp1_regs, DisplayConfigDc02);
DO_REGISTER_WRITES(g_disp1_regs, DisplayConfigFrameBuffer);
svcSleepThread(35'000'000ul);
g_is_display_intialized = true;
}
void Boot::ShowDisplay(size_t x, size_t y, size_t width, size_t height, const u32 *img) {
if (!g_is_display_intialized) {
return;
}
/* Draw the image to the screen. */
std::memset(g_frame_buffer, 0, FrameBufferSize);
{
for (size_t cur_y = 0; cur_y < height; cur_y++) {
for (size_t cur_x = 0; cur_x < width; cur_x++) {
g_frame_buffer[(FrameBufferHeight - (x + cur_x)) * FrameBufferWidth + y + cur_y] = img[cur_y * width + cur_x];
}
}
}
armDCacheFlush(g_frame_buffer, FrameBufferSize);
/* Enable backlight. */
SetRegisterBits(g_gpio_regs + GPIO_PORT6_OUT_1, 0x1);
}
void Boot::FinalizeDisplay() {
if (!g_is_display_intialized) {
return;
}
/* Disable backlight. */
ClearRegisterBits(g_gpio_regs + GPIO_PORT6_OUT_1, ~0x1);
WriteRegister(g_disp1_regs + sizeof(u32) * DSI_VIDEO_MODE_CONTROL, 1);
WriteRegister(g_disp1_regs + sizeof(u32) * DSI_WR_DATA, 0x2805);
/* Nintendo waits 5 frames before continuing. */
{
const uintptr_t host1x_vaddr = QueryVirtualAddress(0x500030a4, 4);
const u32 start_val = ReadRegister(host1x_vaddr);
while (ReadRegister(host1x_vaddr) < start_val + 5) {
/* spinlock here. */
}
}
WriteRegister(g_disp1_regs + sizeof(u32) * DC_CMD_STATE_ACCESS, (READ_MUX | WRITE_MUX));
WriteRegister(g_disp1_regs + sizeof(u32) * DSI_VIDEO_MODE_CONTROL, 0);
DO_SOC_DEPENDENT_REGISTER_WRITES(g_clk_rst_regs, DisplayConfigPlld01);
DO_REGISTER_WRITES(g_dsi_regs, DisplayConfigDsi01Fini01);
DO_SOC_DEPENDENT_REGISTER_WRITES(g_dsi_regs, DisplayConfigDsiPhyTiming);
DO_REGISTER_WRITES(g_dsi_regs, DisplayConfigDsi01Fini02);
svcSleepThread(10'000'000ul);
/* Vendor specific shutdown. */
switch (g_lcd_vendor) {
case 0x10: /* Japan Display Inc screens. */
DO_REGISTER_WRITES(g_dsi_regs, DisplayConfigJdiSpecificFini01);
break;
case 0xF30: /* TODO: What's this? */
DO_REGISTER_WRITES(g_dsi_regs, DisplayConfigF30SpecificFini01);
svcSleepThread(5'000'000ul);
break;
case 0x1020: /* TODO: What's this? */
WriteRegister(g_dsi_regs + sizeof(u32) * DSI_WR_DATA, 0x439);
WriteRegister(g_dsi_regs + sizeof(u32) * DSI_WR_DATA, 0x9483FFB9);
WriteRegister(g_dsi_regs + sizeof(u32) * DSI_TRIGGER, DSI_TRIGGER_HOST);
svcSleepThread(5'000'000ul);
WriteRegister(g_dsi_regs + sizeof(u32) * DSI_WR_DATA, 0xB39);
WriteRegister(g_dsi_regs + sizeof(u32) * DSI_WR_DATA, 0x751548B1);
WriteRegister(g_dsi_regs + sizeof(u32) * DSI_WR_DATA, 0x71143209);
WriteRegister(g_dsi_regs + sizeof(u32) * DSI_WR_DATA, 0x115631);
WriteRegister(g_dsi_regs + sizeof(u32) * DSI_TRIGGER, DSI_TRIGGER_HOST);
svcSleepThread(5'000'000ul);
break;
case 0x1030: /* TODO: What's this? */
WriteRegister(g_dsi_regs + sizeof(u32) * DSI_WR_DATA, 0x439);
WriteRegister(g_dsi_regs + sizeof(u32) * DSI_WR_DATA, 0x9483FFB9);
WriteRegister(g_dsi_regs + sizeof(u32) * DSI_TRIGGER, DSI_TRIGGER_HOST);
svcSleepThread(5'000'000ul);
WriteRegister(g_dsi_regs + sizeof(u32) * DSI_WR_DATA, 0xB39);
WriteRegister(g_dsi_regs + sizeof(u32) * DSI_WR_DATA, 0x711148B1);
WriteRegister(g_dsi_regs + sizeof(u32) * DSI_WR_DATA, 0x71143209);
WriteRegister(g_dsi_regs + sizeof(u32) * DSI_WR_DATA, 0x114D31);
WriteRegister(g_dsi_regs + sizeof(u32) * DSI_TRIGGER, DSI_TRIGGER_HOST);
svcSleepThread(5'000'000ul);
break;
default:
break;
}
svcSleepThread(5'000'000ul);
WriteRegister(g_dsi_regs + sizeof(u32) * DSI_WR_DATA, 0x1005);
WriteRegister(g_dsi_regs + sizeof(u32) * DSI_TRIGGER, DSI_TRIGGER_HOST);
svcSleepThread(50'000'000ul);
/* Disable backlight RST/Voltage. */
ClearRegisterBits(g_gpio_regs + GPIO_PORT6_OUT_1, ~0x4);
svcSleepThread(10'000'000ul);
ClearRegisterBits(g_gpio_regs + GPIO_PORT3_OUT_0, ~0x2);
svcSleepThread(10'000'000ul);
ClearRegisterBits(g_gpio_regs + GPIO_PORT3_OUT_0, ~0x1);
svcSleepThread(10'000'000ul);
/* Cut clock to DSI. */
WriteRegister(g_clk_rst_regs + CLK_RST_CONTROLLER_RST_DEV_H_SET, 0x1010000);
WriteRegister(g_clk_rst_regs + CLK_RST_CONTROLLER_CLK_ENB_H_CLR, 0x1010000);
WriteRegister(g_clk_rst_regs + CLK_RST_CONTROLLER_RST_DEV_L_SET, 0x18000000);
WriteRegister(g_clk_rst_regs + CLK_RST_CONTROLLER_CLK_ENB_L_CLR, 0x18000000);
WriteRegister(g_dsi_regs + sizeof(u32) * DSI_PAD_CONTROL_0, (DSI_PAD_CONTROL_VS1_PULLDN_CLK | DSI_PAD_CONTROL_VS1_PULLDN(0xF) | DSI_PAD_CONTROL_VS1_PDIO_CLK | DSI_PAD_CONTROL_VS1_PDIO(0xF)));
WriteRegister(g_dsi_regs + sizeof(u32) * DSI_POWER_CONTROL, 0);
/* Final LCD config for PWM */
ClearRegisterBits(g_gpio_regs + GPIO_PORT6_CNF_1, ~0x1);
SetRegisterBits(g_apb_misc_regs + 0x3000 + PINMUX_AUX_LCD_BL_PWM, PINMUX_TRISTATE);
ReadWriteRegisterBits(g_apb_misc_regs + 0x3000 + PINMUX_AUX_LCD_BL_PWM, 1, 0x3);
/* Unmap framebuffer from DC virtual address space. */
FinalizeFrameBuffer();
g_is_display_intialized = false;
}
Reference in a new issue Copy permalink