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xbox_pci.cpp: add simple interfaces for lpc bus devices (nw)

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This commit is contained in:
yz70s 2019-04-24 20:13:54 +02:00
parent acc073745a
commit a73650ea2a
2 changed files with 109 additions and 49 deletions
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17
src/mame/includes/xbox_pci.h
View File

@ -58,7 +58,18 @@ DECLARE_DEVICE_TYPE(NV2A_RAM, nv2a_ram_device)
* LPC Bus
*/
class mcpx_isalpc_device : public pci_device {
class lpcbus_host_interface {
public:
virtual void set_virtual_line(int line, int state) = 0;
};
class lpcbus_device_interface {
public:
virtual void map_extra(address_space *memory_space, address_space *io_space) = 0;
virtual void set_host(int index, lpcbus_host_interface *host) = 0;
};
class mcpx_isalpc_device : public pci_device, public lpcbus_host_interface {
public:
mcpx_isalpc_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock, uint32_t subsystem_id);
mcpx_isalpc_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock);
@ -69,6 +80,8 @@ public:
uint32_t acknowledge();
void debug_generate_irq(int irq, int state);
virtual void set_virtual_line(int line, int state) override;
DECLARE_READ32_MEMBER(acpi_r);
DECLARE_WRITE32_MEMBER(acpi_w);
DECLARE_WRITE8_MEMBER(boot_state_w);
@ -100,6 +113,8 @@ private:
required_device<pic8259_device> pic8259_1;
required_device<pic8259_device> pic8259_2;
required_device<pit8254_device> pit8254;
lpcbus_device_interface *lpcdevices[16];
};
DECLARE_DEVICE_TYPE(MCPX_ISALPC, mcpx_isalpc_device)

141
src/mame/machine/xbox_pci.cpp
View File

@ -102,6 +102,9 @@ void mcpx_isalpc_device::map_extra(uint64_t memory_window_start, uint64_t memory
uint64_t io_window_start, uint64_t io_window_end, uint64_t io_offset, address_space *io_space)
{
io_space->install_device(0, 0xffff, *this, &mcpx_isalpc_device::internal_io_map);
for (int a = 0; a < 16; a++)
if (lpcdevices[a] != nullptr)
lpcdevices[a]->map_extra(memory_space, io_space);
}
mcpx_isalpc_device::mcpx_isalpc_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock, uint32_t subsystem_id)
@ -127,6 +130,30 @@ void mcpx_isalpc_device::device_start()
m_boot_state_hook.resolve_safe();
add_map(0x00000100, M_IO, FUNC(mcpx_isalpc_device::lpc_io));
bank_infos[0].adr = 0x8000;
for (int a = 0; a < 16; a++)
lpcdevices[a] = nullptr;
for (device_t &d : subdevices())
{
const char *t = d.basetag();
int l = strlen(t);
if (l == 1)
{
int address = strtol(t + l, nullptr, 16);
address = address & 15;
if (lpcdevices[address] == nullptr)
{
lpcbus_device_interface *i = dynamic_cast<lpcbus_device_interface *>(&d);
lpcdevices[address] = i;
if (i)
i->set_host(address, this);
}
else
logerror("Duplicate address for LPC bus device with tag %s\n", t);
break;
}
}
}
void mcpx_isalpc_device::device_reset()
@ -164,13 +191,21 @@ void mcpx_isalpc_device::device_add_mconfig(machine_config &config)
READ32_MEMBER(mcpx_isalpc_device::acpi_r)
{
logerror("Acpi read from %04X mask %08X\n", bank_infos[0].adr + offset, mem_mask);
logerror("Acpi read from %04X mask %08X\n", bank_infos[0].adr + offset * 4, mem_mask);
return 0;
}
WRITE32_MEMBER(mcpx_isalpc_device::acpi_w)
{
logerror("Acpi write %08X to %04X mask %08X\n", data, bank_infos[0].adr + offset, mem_mask);
// Seen using word registers at the following offsets
// 0x00 0x02 0x04 0x08 0x20 0x22 0x28 0xa0 0xa2 0xc0-0xd8
if ((offset == 0xb) && ACCESSING_BITS_16_23)
{
// SMI Command Port
// write to byte 0x2e must generate a SMI interrupt
logerror("Generate software SMI with value %02X\n", (data >> 16) & 0xff);
}
logerror("Acpi write %08X to %04X mask %08X\n", data, bank_infos[0].adr + offset * 4, mem_mask);
}
WRITE8_MEMBER(mcpx_isalpc_device::boot_state_w)
@ -233,54 +268,64 @@ uint32_t mcpx_isalpc_device::acknowledge()
void mcpx_isalpc_device::debug_generate_irq(int irq, int state)
{
switch (irq)
set_virtual_line(irq, state);
}
void mcpx_isalpc_device::set_virtual_line(int line, int state)
{
if (line < 16)
{
case 0:
pic8259_1->ir0_w(state);
break;
case 1:
pic8259_1->ir1_w(state);
break;
case 3:
pic8259_1->ir3_w(state);
break;
case 4:
pic8259_1->ir4_w(state);
break;
case 5:
pic8259_1->ir5_w(state);
break;
case 6:
pic8259_1->ir6_w(state);
break;
case 7:
pic8259_1->ir7_w(state);
break;
case 8:
pic8259_2->ir0_w(state);
break;
case 9:
pic8259_2->ir1_w(state);
break;
case 10:
pic8259_2->ir2_w(state);
break;
case 11:
pic8259_2->ir3_w(state);
break;
case 12:
pic8259_2->ir4_w(state);
break;
case 13:
pic8259_2->ir5_w(state);
break;
case 14:
pic8259_2->ir6_w(state);
break;
case 15:
pic8259_2->ir7_w(state);
break;
switch (line)
{
case 0:
pic8259_1->ir0_w(state);
break;
case 1:
pic8259_1->ir1_w(state);
break;
case 3:
pic8259_1->ir3_w(state);
break;
case 4:
pic8259_1->ir4_w(state);
break;
case 5:
pic8259_1->ir5_w(state);
break;
case 6:
pic8259_1->ir6_w(state);
break;
case 7:
pic8259_1->ir7_w(state);
break;
case 8:
pic8259_2->ir0_w(state);
break;
case 9:
pic8259_2->ir1_w(state);
break;
case 10:
pic8259_2->ir2_w(state);
break;
case 11:
pic8259_2->ir3_w(state);
break;
case 12:
pic8259_2->ir4_w(state);
break;
case 13:
pic8259_2->ir5_w(state);
break;
case 14:
pic8259_2->ir6_w(state);
break;
case 15:
pic8259_2->ir7_w(state);
break;
}
return;
}
//line = line - 16;
}
/*