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bdk: display: add useful functions

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- Window disable
- Window framebuffer address set
- Window framebuffer move to new address
This commit is contained in:
CTCaer
2024-06-06 06:27:30 +03:00
parent 14c482ddce
commit 4a24fe0b35
3 changed files with 68 additions and 14 deletions
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53
bdk/display/di.c
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@@ -902,6 +902,53 @@ u32 *display_init_window_d_console()
return (u32 *)DISPLAY_A(_DIREG(DC_WINBUF_START_ADDR));
}
void display_window_disable(u32 window)
{
// Select window C.
DISPLAY_A(_DIREG(DC_CMD_DISPLAY_WINDOW_HEADER)) = BIT(WINDOW_SELECT + window);
// Disable window C.
DISPLAY_A(_DIREG(DC_WIN_WIN_OPTIONS)) = 0;
// Arm and activate changes.
DISPLAY_A(_DIREG(DC_CMD_STATE_CONTROL)) = GENERAL_UPDATE | BIT(WIN_UPDATE + window);
DISPLAY_A(_DIREG(DC_CMD_STATE_CONTROL)) = GENERAL_ACT_REQ | BIT(WIN_ACT_REQ + window);
}
void display_set_framebuffer(u32 window, void *fb)
{
// Select window.
DISPLAY_A(_DIREG(DC_CMD_DISPLAY_WINDOW_HEADER)) = BIT(WINDOW_SELECT + window);
// Set new fb address.
DISPLAY_A(_DIREG(DC_WINBUF_START_ADDR)) = (u32)fb;
// Arm and activate changes.
DISPLAY_A(_DIREG(DC_CMD_STATE_CONTROL)) = GENERAL_UPDATE | BIT(WIN_UPDATE + window);
DISPLAY_A(_DIREG(DC_CMD_STATE_CONTROL)) = GENERAL_ACT_REQ | BIT(WIN_ACT_REQ + window);
}
void display_move_framebuffer(u32 window, void *fb)
{
// Select window.
DISPLAY_A(_DIREG(DC_CMD_DISPLAY_WINDOW_HEADER)) = BIT(WINDOW_SELECT + window);
// Get current framebuffer address.
void *fb_curr = (void *)DISPLAY_A(_DIREG(DC_WINBUF_START_ADDR));
u32 win_size = DISPLAY_A(_DIREG(DC_WIN_PRESCALED_SIZE));
win_size = (win_size & 0x7FFF) * ((win_size >> 16) & 0x1FFF);
// Copy fb over.
memcpy(fb, fb_curr, win_size);
// Set new fb address.
DISPLAY_A(_DIREG(DC_WINBUF_START_ADDR)) = (u32)fb;
// Arm and activate changes.
DISPLAY_A(_DIREG(DC_CMD_STATE_CONTROL)) = GENERAL_UPDATE | BIT(WIN_UPDATE + window);
DISPLAY_A(_DIREG(DC_CMD_STATE_CONTROL)) = GENERAL_ACT_REQ | BIT(WIN_ACT_REQ + window);
}
void display_window_d_console_enable()
{
// Only update active registers on vsync.
@@ -935,9 +982,6 @@ void display_window_d_console_enable()
// Arm and activate changes.
DISPLAY_A(_DIREG(DC_CMD_STATE_CONTROL)) = GENERAL_UPDATE | WIN_D_UPDATE;
DISPLAY_A(_DIREG(DC_CMD_STATE_CONTROL)) = GENERAL_ACT_REQ | WIN_D_ACT_REQ;
// Re-select window A.
DISPLAY_A(_DIREG(DC_CMD_DISPLAY_WINDOW_HEADER)) = WINDOW_A_SELECT;
}
void display_window_d_console_disable()
@@ -964,9 +1008,6 @@ void display_window_d_console_disable()
// Arm and activate changes.
DISPLAY_A(_DIREG(DC_CMD_STATE_CONTROL)) = GENERAL_UPDATE | WIN_D_UPDATE;
DISPLAY_A(_DIREG(DC_CMD_STATE_CONTROL)) = GENERAL_ACT_REQ | WIN_D_ACT_REQ;
// Re-select window A.
DISPLAY_A(_DIREG(DC_CMD_DISPLAY_WINDOW_HEADER)) = WINDOW_A_SELECT;
}
void display_cursor_init(void *crs_fb, u32 size)