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// license:BSD-3-Clause
// copyright-holders:Ted Green
#include "voodoo_pci.h"
int voodoo_pci_device::m_type = 0;
static MACHINE_CONFIG_FRAGMENT( voodoo_1_pci )
MCFG_DEVICE_ADD("voodoo", VOODOO_1, STD_VOODOO_1_CLOCK)
MCFG_VOODOO_FBMEM(4)
MCFG_VOODOO_TMUMEM(1, 0)
MCFG_VOODOO_SCREEN_TAG("screen")
MACHINE_CONFIG_END
static MACHINE_CONFIG_FRAGMENT( voodoo_2_pci )
MCFG_DEVICE_ADD("voodoo", VOODOO_2, STD_VOODOO_2_CLOCK)
MCFG_VOODOO_FBMEM(4)
MCFG_VOODOO_TMUMEM(1, 0)
MCFG_VOODOO_SCREEN_TAG("screen")
MACHINE_CONFIG_END
static MACHINE_CONFIG_FRAGMENT( voodoo_banshee_pci )
MCFG_DEVICE_ADD("voodoo", VOODOO_BANSHEE, STD_VOODOO_BANSHEE_CLOCK)
MCFG_VOODOO_FBMEM(16)
MCFG_VOODOO_SCREEN_TAG("screen")
MACHINE_CONFIG_END
static MACHINE_CONFIG_FRAGMENT( voodoo_3_pci )
MCFG_DEVICE_ADD("voodoo", VOODOO_3, STD_VOODOO_3_CLOCK)
MCFG_VOODOO_FBMEM(16)
MCFG_VOODOO_SCREEN_TAG("screen")
MACHINE_CONFIG_END
machine_config_constructor voodoo_pci_device::device_mconfig_additions() const
{
switch (m_type) {
case TYPE_VOODOO_1:
return MACHINE_CONFIG_NAME( voodoo_1_pci );
break;
case TYPE_VOODOO_2:
return MACHINE_CONFIG_NAME( voodoo_2_pci );
break;
case TYPE_VOODOO_BANSHEE:
return MACHINE_CONFIG_NAME( voodoo_banshee_pci );
break;
//case TYPE_VOODOO_3
default:
return MACHINE_CONFIG_NAME( voodoo_3_pci );
break;
}
}
const device_type VOODOO_PCI = &device_creator<voodoo_pci_device>;
DEVICE_ADDRESS_MAP_START(config_map, 32, voodoo_pci_device)
AM_RANGE(0x40, 0x4f) AM_READWRITE (pcictrl_r, pcictrl_w)
AM_INHERIT_FROM(pci_device::config_map)
ADDRESS_MAP_END
// VOODOO_1 & VOODOO_2 map
DEVICE_ADDRESS_MAP_START(voodoo_reg_map, 32, voodoo_pci_device)
AM_RANGE(0x0, 0x00ffffff) AM_DEVREADWRITE("voodoo", voodoo_device, voodoo_r, voodoo_w)
ADDRESS_MAP_END
// VOODOO_BANSHEE and VOODOO_3 maps
DEVICE_ADDRESS_MAP_START(banshee_reg_map, 32, voodoo_pci_device)
AM_RANGE(0x0, 0x01ffffff) AM_DEVREADWRITE("voodoo", voodoo_banshee_device, banshee_r, banshee_w)
ADDRESS_MAP_END
DEVICE_ADDRESS_MAP_START(lfb_map, 32, voodoo_pci_device)
AM_RANGE(0x0, 0x01ffffff) AM_DEVREADWRITE("voodoo", voodoo_banshee_device, banshee_fb_r, banshee_fb_w)
ADDRESS_MAP_END
DEVICE_ADDRESS_MAP_START(io_map, 32, voodoo_pci_device)
AM_RANGE(0x000, 0x0ff) AM_DEVREADWRITE("voodoo", voodoo_banshee_device, banshee_io_r, banshee_io_w)
ADDRESS_MAP_END
voodoo_pci_device::voodoo_pci_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock)
: pci_device(mconfig, VOODOO_PCI, "Voodoo PCI", tag, owner, clock, "voodoo_pci", __FILE__),
m_voodoo(*this, "voodoo"), m_fbmem(2), m_tmumem0(0), m_tmumem1(0)
{
}
void voodoo_pci_device::set_cpu_tag(const char *_cpu_tag)
{
m_cpu_tag = _cpu_tag;
}
void voodoo_pci_device::device_start()
{
voodoo_device::static_set_cpu_tag(m_voodoo, m_cpu_tag);
voodoo_device::static_set_fbmem(m_voodoo, m_fbmem);
voodoo_device::static_set_tmumem(m_voodoo, m_tmumem0, m_tmumem1);
switch (m_type) {
//void set_ids(UINT32 main_id, UINT8 revision, UINT32 pclass, UINT32 subsystem_id);
case TYPE_VOODOO_1:
set_ids(0x121a0001, 0x02, 0x030000, 0x000000);
break;
case TYPE_VOODOO_2:
set_ids(0x121a0002, 0x02, 0x038000, 0x000000);
break;
case TYPE_VOODOO_BANSHEE:
set_ids(0x121a0003, 0x02, 0x030000, 0x000000);
break;
//case TYPE_VOODOO_3
default:
set_ids(0x121a0005, 0x02, 0x030000, 0x000000);
break;
}
pci_device::device_start();
if (m_type<=TYPE_VOODOO_2) {
add_map(16*1024*1024, M_MEM | M_PREF, FUNC(voodoo_pci_device::voodoo_reg_map));
bank_infos[0].adr = 0xff000000;
} else {
add_map(32*1024*1024, M_MEM, FUNC(voodoo_pci_device::banshee_reg_map));
add_map(32*1024*1024, M_MEM, FUNC(voodoo_pci_device::lfb_map));
add_map(256, M_IO, FUNC(voodoo_pci_device::io_map));
bank_infos[0].adr = 0xf8000000;
bank_infos[1].adr = 0xf8000008;
bank_infos[2].adr = 0xfffffff0;
}
save_item(NAME(m_pcictrl_reg));
}
void voodoo_pci_device::device_reset()
{
memset(m_pcictrl_reg, 0, sizeof(m_pcictrl_reg));
pci_device::device_reset();
}
void voodoo_pci_device::map_extra(UINT64 memory_window_start, UINT64 memory_window_end, UINT64 memory_offset, address_space *memory_space,
UINT64 io_window_start, UINT64 io_window_end, UINT64 io_offset, address_space *io_space)
{
logerror("%s: map_extra\n", this->tag());
// Map VGA legacy access
// Should really be dependent on voodoo VGAINIT0 bit 8 and IO base + 0xc3 bit 0
if (m_type>=TYPE_VOODOO_BANSHEE) {
UINT64 start = io_offset + 0x3b0;
UINT64 end = io_offset + 0x3df;
io_space->install_readwrite_handler(start, end, 0, 0, read32_delegate(FUNC(voodoo_pci_device::vga_r), this), write32_delegate(FUNC(voodoo_pci_device::vga_w), this));
logerror("%s: map %s at %0*x-%0*x\n", this->tag(), "vga_r/w", 4, UINT32(start), 4, UINT32(end));
}
}
UINT32 voodoo_pci_device::screen_update(screen_device &screen, bitmap_rgb32 &bitmap, const rectangle &cliprect)
{
return m_voodoo->voodoo_update(bitmap, cliprect) ? 0 : UPDATE_HAS_NOT_CHANGED;
}
// PCI bus control
READ32_MEMBER (voodoo_pci_device::pcictrl_r)
{
UINT32 result = m_pcictrl_reg[offset];
if (1)
logerror("%06X:voodoo_pci_device pcictrl_r from offset %02X = %08X & %08X\n", space.device().safe_pc(), offset*4, result, mem_mask);
return result;
}
WRITE32_MEMBER (voodoo_pci_device::pcictrl_w)
{
COMBINE_DATA(&m_pcictrl_reg[offset]);
switch (offset) {
case 0x0/4: // The address map starts at 0x40
// HW initEnable
m_voodoo->voodoo_set_init_enable(data);
logerror("%06X:voodoo_pci_device pcictrl_w to offset %02X = %08X & %08X\n", space.device().safe_pc(), offset*4, data, mem_mask);
break;
default:
logerror("%06X:voodoo_pci_device pcictrl_w to offset %02X = %08X & %08X\n", space.device().safe_pc(), offset*4, data, mem_mask);
break;
}
}
// VGA legacy accesses
READ32_MEMBER(voodoo_pci_device::vga_r)
{
UINT32 result = 0;
if (ACCESSING_BITS_0_7)
result |= downcast<voodoo_banshee_device *>(m_voodoo.target())->banshee_vga_r(space, offset * 4 + 0 + 0xb0, mem_mask >> 0) << 0;
if (ACCESSING_BITS_8_15)
result |= downcast<voodoo_banshee_device *>(m_voodoo.target())->banshee_vga_r(space, offset * 4 + 1 + 0xb0, mem_mask >> 8) << 8;
if (ACCESSING_BITS_16_23)
result |= downcast<voodoo_banshee_device *>(m_voodoo.target())->banshee_vga_r(space, offset * 4 + 2 + 0xb0, mem_mask >> 16) << 16;
if (ACCESSING_BITS_24_31)
result |= downcast<voodoo_banshee_device *>(m_voodoo.target())->banshee_vga_r(space, offset * 4 + 3 + 0xb0, mem_mask >> 24) << 24;
if (0)
logerror("%06X:voodoo_pci_device vga_r from offset %02X = %08X & %08X\n", space.device().safe_pc(), offset * 4, result, mem_mask);
return result;
}
WRITE32_MEMBER(voodoo_pci_device::vga_w)
{
if (ACCESSING_BITS_0_7)
downcast<voodoo_banshee_device *>(m_voodoo.target())->banshee_vga_w(space, offset * 4 + 0 + 0xb0, data >> 0, mem_mask >> 0);
if (ACCESSING_BITS_8_15)
downcast<voodoo_banshee_device *>(m_voodoo.target())->banshee_vga_w(space, offset * 4 + 1 + 0xb0, data >> 8, mem_mask >> 8);
if (ACCESSING_BITS_16_23)
downcast<voodoo_banshee_device *>(m_voodoo.target())->banshee_vga_w(space, offset * 4 + 2 + 0xb0, data >> 16, mem_mask >> 16);
if (ACCESSING_BITS_24_31)
downcast<voodoo_banshee_device *>(m_voodoo.target())->banshee_vga_w(space, offset * 4 + 3 + 0xb0, data >> 24, mem_mask >> 24);
if (0)
logerror("%06X:voodoo_pci_device vga_w to offset %04X = %08X & %08X\n", space.device().safe_pc(), offset * 4, data, mem_mask);
}
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