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atirage: Add write CRTC_INT_CNTL.

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joevt 2024-02-27 03:55:14 -08:00 committed by dingusdev
parent 506ed000a0
commit d5c7b5f537
1 changed files with 68 additions and 0 deletions
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68
devices/video/atirage.cpp
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@ -298,6 +298,74 @@ void ATIRage::write_reg(uint32_t reg_offset, uint32_t value, uint32_t size) {
this->crtc_update();
}
break;
case ATI_CRTC_INT_CNTL: {
uint32_t bits_read_only =
(1 << ATI_CRTC_VBLANK) |
(1 << ATI_CRTC_VLINE_SYNC) |
(1 << ATI_CRTC_FRAME) |
#if 1
#else
(1 << ATI_CRTC2_VBLANK) |
(1 << ATI_CRTC2_VLINE_SYNC) |
#endif
0;
uint32_t bits_AK =
(1 << ATI_CRTC_VBLANK_INT_AK) |
(1 << ATI_CRTC_VLINE_INT_AK) |
#if 1
(1 << ATI_VIDEOIN_EVEN_INT_AK) |
(1 << ATI_VIDEOIN_ODD_INT_AK) |
(1 << ATI_OVERLAY_EOF_INT_AK) |
(1 << ATI_VMC_EC_INT_AK) |
#else
(1 << ATI_SNAPSHOT_INT_AK) |
(1 << ATI_I2C_INT_AK) |
(1 << ATI_CRTC2_VBLANK_INT_AK) |
(1 << ATI_CRTC2_VLINE_INT_AK) |
(1 << ATI_CUPBUF0_INT_AK) |
(1 << ATI_CUPBUF1_INT_AK) |
(1 << ATI_OVERLAY_EOF_INT_AK) |
(1 << ATI_ONESHOT_CAP_INT_AK) |
(1 << ATI_BUSMASTER_EOL_INT_AK) |
(1 << ATI_GP_INT_AK) |
(1 << ATI_SNAPSHOT2_INT_AK) |
(1 << ATI_VBLANK_BIT2_INT_AK) |
#endif
0;
/*
uint32_t bits_EN =
(1 << ATI_CRTC_VBLANK_INT_EN) |
(1 << ATI_CRTC_VLINE_INT_EN) |
#if 1
(1 << ATI_VIDEOIN_EVEN_INT_EN) |
(1 << ATI_VIDEOIN_ODD_INT_EN) |
(1 << ATI_OVERLAY_EOF_INT_EN) |
(1 << ATI_VMC_EC_INT_EN) |
#else
(1 << ATI_SNAPSHOT_INT_EN) |
(1 << ATI_I2C_INT_EN) |
(1 << ATI_CRTC2_VBLANK_INT_EN) |
(1 << ATI_CRTC2_VLINE_INT_EN) |
(1 << ATI_CUPBUF0_INT_EN) |
(1 << ATI_CUPBUF1_INT_EN) |
(1 << ATI_OVERLAY_EOF_INT_EN) |
(1 << ATI_ONESHOT_CAP_INT_EN) |
(1 << ATI_BUSMASTER_EOL_INT_EN) |
(1 << ATI_GP_INT_EN) |
(1 << ATI_SNAPSHOT2_INT_EN) |
#endif
0;
*/
uint32_t bits_AKed = bits_AK & value; // AK bits that are to be AKed
uint32_t bits_not_AKed = bits_AK & ~value; // AK bits that are not to be AKed
new_value = value & ~bits_AKed; // clear the AKed bits
bits_read_only |= bits_not_AKed; // the not AKed bits will remain unchanged
new_value = (old_value & bits_read_only) | (new_value & ~bits_read_only);
break;
}
case ATI_CRTC_GEN_CNTL:
new_value = value;
if (bit_changed(old_value, new_value, ATI_CRTC_DISPLAY_DIS)) {