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Code Issues Releases Activity

exo/mariko fatal: disable backlight before we do screen re-init

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This commit is contained in:
Michael Scire 2020-11-20 22:47:30 -08:00 committed by SciresM
parent 2bc6dec126
commit 06dcc6bc17
4 changed files with 69 additions and 11 deletions
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74
exosphere/mariko_fatal/source/fatal_display.cpp
View file

@ -173,7 +173,7 @@ namespace ams::secmon::fatal {
}
}
void FinalizeFrameBuffer() {
[[maybe_unused]] void FinalizeFrameBuffer() {
/* We don't actually support finalizing the framebuffer, so do nothing here. */
}
@ -260,17 +260,79 @@ namespace ams::secmon::fatal {
}
}
void FinalizeDisplay() {
/* TODO: What other configuration is needed, if any? */
/* Configure LCD pinmux tristate + passthrough. */
reg::ClearBits(g_apb_misc_regs + PINMUX_AUX_NFC_EN, reg::EncodeMask(PINMUX_REG_BITS_MASK(AUX_TRISTATE)));
reg::ClearBits(g_apb_misc_regs + PINMUX_AUX_NFC_INT, reg::EncodeMask(PINMUX_REG_BITS_MASK(AUX_TRISTATE)));
reg::ClearBits(g_apb_misc_regs + PINMUX_AUX_LCD_BL_PWM, reg::EncodeMask(PINMUX_REG_BITS_MASK(AUX_TRISTATE)));
reg::ClearBits(g_apb_misc_regs + PINMUX_AUX_LCD_BL_EN, reg::EncodeMask(PINMUX_REG_BITS_MASK(AUX_TRISTATE)));
reg::ClearBits(g_apb_misc_regs + PINMUX_AUX_LCD_RST, reg::EncodeMask(PINMUX_REG_BITS_MASK(AUX_TRISTATE)));
if (fuse::GetHardwareType() == fuse::HardwareType_Five) {
/* Configure LCD backlight. */
reg::SetBits(g_gpio_regs + GPIO_PORT6_CNF_1, 0x4);
reg::SetBits(g_gpio_regs + GPIO_PORT6_OE_1, 0x4);
} else {
/* Configure LCD power, VDD. */
reg::SetBits(g_gpio_regs + GPIO_PORT3_CNF_0, 0x3);
reg::SetBits(g_gpio_regs + GPIO_PORT3_OE_0, 0x3);
reg::SetBits(g_gpio_regs + GPIO_PORT3_OUT_0, 0x1);
util::WaitMicroSeconds(10'000ul);
reg::SetBits(g_gpio_regs + GPIO_PORT3_OUT_0, 0x2);
util::WaitMicroSeconds(10'000ul);
/* Configure LCD backlight. */
reg::SetBits(g_gpio_regs + GPIO_PORT6_CNF_1, 0x7);
reg::SetBits(g_gpio_regs + GPIO_PORT6_OE_1, 0x7);
reg::SetBits(g_gpio_regs + GPIO_PORT6_OUT_1, 0x2);
}
/* Disable the LCD backlight. */
if (GetLcdVendor() == 0x2050) {
/* TODO: We're not sure display is alive. How to manage this? */
/* This is probably incorrect backlight disable for hw-type 5. */
reg::ClearBits(g_gpio_regs + GPIO_PORT6_OUT_1, 0x1);
} else {
reg::ClearBits(g_gpio_regs + GPIO_PORT6_OUT_1, 0x1);
}
/* Disable backlight RST/Voltage. */
reg::ClearBits(g_gpio_regs + GPIO_PORT6_OUT_1, 0x4);
if (GetLcdVendor() == 0x2050) {
util::WaitMicroSeconds(30'000ul);
} else {
util::WaitMicroSeconds(10'000ul);
reg::ClearBits(g_gpio_regs + GPIO_PORT3_OUT_0, 0x2);
util::WaitMicroSeconds(10'000ul);
reg::ClearBits(g_gpio_regs + GPIO_PORT3_OUT_0, 0x1);
util::WaitMicroSeconds(10'000ul);
}
/* Cut clock to DSI. */
reg::Write(g_clk_rst_regs + CLK_RST_CONTROLLER_RST_DEV_H_SET, CLK_RST_REG_BITS_ENUM(RST_DEV_H_SET_SET_MIPI_CAL_RST, ENABLE),
CLK_RST_REG_BITS_ENUM(RST_DEV_H_SET_SET_DSI_RST, ENABLE));
reg::Write(g_clk_rst_regs + CLK_RST_CONTROLLER_CLK_ENB_H_CLR, CLK_RST_REG_BITS_ENUM(CLK_ENB_H_CLR_CLR_CLK_ENB_MIPI_CAL, ENABLE),
CLK_RST_REG_BITS_ENUM(CLK_ENB_H_CLR_CLR_CLK_ENB_DSI, ENABLE));
reg::Write(g_clk_rst_regs + CLK_RST_CONTROLLER_RST_DEV_L_SET, CLK_RST_REG_BITS_ENUM(RST_DEV_L_SET_SET_HOST1X_RST, ENABLE),
CLK_RST_REG_BITS_ENUM(RST_DEV_L_SET_SET_DISP1_RST, ENABLE));
reg::Write(g_clk_rst_regs + CLK_RST_CONTROLLER_CLK_ENB_L_CLR, CLK_RST_REG_BITS_ENUM(CLK_ENB_L_CLR_CLR_CLK_ENB_HOST1X, ENABLE),
CLK_RST_REG_BITS_ENUM(CLK_ENB_L_CLR_CLR_CLK_ENB_DISP1, ENABLE));
reg::Write(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)));
reg::Write(g_dsi_regs + sizeof(u32) * DSI_POWER_CONTROL, 0);
}
void FinalizeDisplay() {
FinalizeFrameBuffer();
/* TODO */
AMS_SECMON_LOG("FinalizeDisplay not yet implemented\n");
}
void InitializeDisplay() {
/* Ensure that the display is finalized. */
/* TODO */
FinalizeDisplay();
/* Setup the framebuffer. */
InitializeFrameBuffer();

1
exosphere/mariko_fatal/source/fatal_display.hpp
View file

@ -24,6 +24,5 @@ namespace ams::secmon::fatal {
void InitializeDisplay();
void ShowDisplay(const ams::impl::FatalErrorContext *f_ctx, const Result save_result);
void FinalizeDisplay();
}

1
exosphere/mariko_fatal/source/fatal_main.cpp
View file

@ -77,7 +77,6 @@ namespace ams::secmon::fatal {
AMS_SECMON_LOG("Showing Display, LCD Vendor = %04x\n", GetLcdVendor());
InitializeDisplay();
ShowDisplay(f_ctx, result);
FinalizeDisplay();
}
/* Ensure we have nothing waiting to be logged. */

2
stratosphere/boot/source/boot_main.cpp
View file

@ -241,8 +241,6 @@ int main(int argc, char **argv)
/* Finalize the i2c server library. */
boot::FinalizeI2cDriverLibrary();
AMS_ABORT_UNLESS(spl::GetSocType() != spl::SocType_Mariko);
/* Tell PM to start boot2. */
R_ABORT_UNLESS(pmshellNotifyBootFinished());