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atirage: Add VBL callback.

This commit is contained in:
joevt 2024-02-27 05:22:56 -08:00 committed by dingusdev
parent b168459007
commit 5a049642ea
2 changed files with 32 additions and 0 deletions
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29
devices/video/atirage.cpp
View File

@ -801,6 +801,35 @@ void ATIRage::get_cursor_position(int& x, int& y) {
y = extract_bits<uint32_t>(this->regs[ATI_CUR_HORZ_VERT_POSN], ATI_CUR_VERT_POSN, ATI_CUR_VERT_POSN_size);
}
int ATIRage::device_postinit()
{
this->vbl_cb = [this](uint8_t irq_line_state) {
insert_bits<uint32_t>(this->regs[ATI_CRTC_INT_CNTL], irq_line_state, ATI_CRTC_VBLANK, 1);
if (irq_line_state) {
set_bit(this->regs[ATI_CRTC_INT_CNTL], ATI_CRTC_VBLANK_INT);
set_bit(this->regs[ATI_CRTC_INT_CNTL], ATI_CRTC_VLINE_INT);
#if 1
#else
set_bit(this->regs[ATI_CRTC_GEN_CNTL], ATI_CRTC_VSYNC_INT);
#endif
}
bool do_interrupt =
bit_set(this->regs[ATI_CRTC_INT_CNTL], ATI_CRTC_VBLANK_INT_EN) ||
bit_set(this->regs[ATI_CRTC_INT_CNTL], ATI_CRTC_VLINE_INT_EN) ||
#if 1
#else
bit_set(this->regs[ATI_CRTC_GEN_CNTL], ATI_CRTC_VSYNC_INT_EN) ||
#endif
0;
if (do_interrupt) {
this->pci_interrupt(irq_line_state);
}
};
return 0;
}
static const PropMap AtiRage_Properties = {
{"gfxmem_size",
new IntProperty( 2, vector<uint32_t>({2, 4, 6}))},

3
devices/video/atirage.h
View File

@ -55,6 +55,9 @@ public:
return std::unique_ptr<ATIRage>(new ATIRage(ATI_RAGE_PRO_DEV_ID));
}
// HWComponent methods
int device_postinit();
// MMIODevice methods
uint32_t read(uint32_t rgn_start, uint32_t offset, int size);
void write(uint32_t rgn_start, uint32_t offset, uint32_t value, int size);