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Code Issues Releases Activity

bdk: display: deduplicate interrupt code

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CTCaer 2023-12-25 02:40:38 +02:00
parent 239c48c790
commit 09dfcfc57d
2 changed files with 29 additions and 9 deletions
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33
bdk/display/di.c
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@ -42,6 +42,26 @@ static bool _nx_aula = false;
static void _display_panel_and_hw_end(bool no_panel_deinit);
void display_enable_interrupt(u32 intr)
{
DISPLAY_A(_DIREG(DC_CMD_INT_ENABLE)) |= intr;
}
void display_disable_interrupt(u32 intr)
{
DISPLAY_A(_DIREG(DC_CMD_INT_ENABLE)) &= ~intr;
DISPLAY_A(_DIREG(DC_CMD_INT_STATUS)) = intr;
}
void display_wait_interrupt(u32 intr)
{
DISPLAY_A(_DIREG(DC_CMD_INT_STATUS)) = intr;
// Interrupts are masked. Poll status register for checking if fired.
while (!(DISPLAY_A(_DIREG(DC_CMD_INT_STATUS)) & intr))
;
}
static void _display_dsi_wait(u32 timeout, u32 off, u32 mask)
{
u32 end = get_tmr_us() + timeout;
@ -64,22 +84,18 @@ static void _display_dsi_wait_vblank(bool enable)
if (enable)
{
// Enable vblank interrupt.
DISPLAY_A(_DIREG(DC_CMD_INT_ENABLE)) = DC_CMD_INT_FRAME_END_INT;
display_enable_interrupt(DC_CMD_INT_FRAME_END_INT);
// Use the 4th line to transmit the host cmd packet.
DSI(_DSIREG(DSI_VIDEO_MODE_CONTROL)) = DSI_CMD_PKT_VID_ENABLE | DSI_DSI_LINE_TYPE(4);
// Wait for vblank before starting the transfer.
DISPLAY_A(_DIREG(DC_CMD_INT_STATUS)) = DC_CMD_INT_FRAME_END_INT; // Clear interrupt.
while (!(DISPLAY_A(_DIREG(DC_CMD_INT_STATUS)) & DC_CMD_INT_FRAME_END_INT))
;
display_wait_interrupt(DC_CMD_INT_FRAME_END_INT);
}
else
{
// Wait for vblank before resetting sync points.
DISPLAY_A(_DIREG(DC_CMD_INT_STATUS)) = DC_CMD_INT_FRAME_END_INT; // Clear interrupt.
while (!(DISPLAY_A(_DIREG(DC_CMD_INT_STATUS)) & DC_CMD_INT_FRAME_END_INT))
;
display_wait_interrupt(DC_CMD_INT_FRAME_END_INT);
usleep(14);
// Reset all states of syncpt block.
@ -94,8 +110,7 @@ static void _display_dsi_wait_vblank(bool enable)
DSI(_DSIREG(DSI_VIDEO_MODE_CONTROL)) = 0;
// Disable and clear vblank interrupt.
DISPLAY_A(_DIREG(DC_CMD_INT_ENABLE)) = 0;
DISPLAY_A(_DIREG(DC_CMD_INT_STATUS)) = DC_CMD_INT_FRAME_END_INT;
display_disable_interrupt(DC_CMD_INT_FRAME_END_INT);
}
}

5
bdk/display/di.h
View file

@ -793,6 +793,11 @@ void display_init();
void display_backlight_pwm_init();
void display_end();
/*! Interrupt management. */
void display_enable_interrupt(u32 intr);
void display_disable_interrupt(u32 intr);
void display_wait_interrupt(u32 intr);
/*! Get/Set Display panel ID. */
u16 display_get_decoded_panel_id();
void display_set_decoded_panel_id(u32 id);