RGBCube/serenity
1
Fork 0
mirror of https://github.com/RGBCube/serenity synced 2025-07-26 23:27:43 +00:00
Code Issues Activity Actions

Kernel: Add AC97_DEBUG macro

Browse source
This commit is contained in:
Jelle Raaijmakers 2021-11-27 13:46:43 +01:00 • committed by Idan Horowitz
parent bb58f6ccab
commit 689ad0752c
3 changed files with 11 additions and 2 deletions
Download patch file Download diff file Expand all files Collapse all files

8
Kernel/Devices/Audio/AC97.cpp
View file

@ -63,6 +63,7 @@ bool AC97::handle_irq(RegisterState const&)
{
auto pcm_out_status_register = m_pcm_out_channel.reg(AC97Channel::Register::Status);
auto pcm_out_status = pcm_out_status_register.in<u16>();
dbgln_if(AC97_DEBUG, "AC97 @ {}: interrupt received - stat: {:#b}", pci_address(), pcm_out_status);
bool is_dma_halted = (pcm_out_status & AudioStatusRegisterFlag::DMAControllerHalted) > 0;
bool is_completion_interrupt = (pcm_out_status & AudioStatusRegisterFlag::BufferCompletionInterruptStatus) > 0;
@ -89,8 +90,8 @@ bool AC97::handle_irq(RegisterState const&)
UNMAP_AFTER_INIT void AC97::initialize()
{
dbgln("AC97 @ {}: mixer base: {:#04x}", pci_address(), m_io_mixer_base.get());
dbgln("AC97 @ {}: bus base: {:#04x}", pci_address(), m_io_bus_base.get());
dbgln_if(AC97_DEBUG, "AC97 @ {}: mixer base: {:#04x}", pci_address(), m_io_mixer_base.get());
dbgln_if(AC97_DEBUG, "AC97 @ {}: bus base: {:#04x}", pci_address(), m_io_bus_base.get());
enable_pin_based_interrupts();
PCI::enable_bus_mastering(pci_address());
@ -239,6 +240,7 @@ ErrorOr<void> AC97::write_single_buffer(UserOrKernelBuffer const& data, size_t o
if (head_distance < m_output_buffer_page_count)
break;
dbgln_if(AC97_DEBUG, "AC97 @ {}: waiting on interrupt - stat: {:#b} CI: {} LVI: {}", pci_address(), pcm_out_status, current_index, last_valid_index);
m_irq_queue.wait_forever("AC97"sv);
} while (m_pcm_out_channel.dma_running());
sti();
@ -285,6 +287,8 @@ void AC97::AC97Channel::reset()
void AC97::AC97Channel::set_last_valid_index(u32 buffer_address, u8 last_valid_index)
{
dbgln_if(AC97_DEBUG, "AC97 @ {}: setting LVI - address: {:#x} LVI: {}", m_device.pci_address(), buffer_address, last_valid_index);
reg(Register::BufferDescriptorListBaseAddress).out(buffer_address);
reg(Register::LastValidIndex).out(last_valid_index);
}