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Implement undocumented PMCNTRL mirrors on VIA 596 (unconfirmed), 686 (confirmed) and PIIX4 (unconfirmed) ACPI

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This commit is contained in:
RichardG867
2021-10-16 21:36:58 -03:00
parent 7f8c6635b3
commit 6bf299cd41
3 changed files with 42 additions and 13 deletions
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44
src/acpi.c
View File

@@ -1176,7 +1176,7 @@ acpi_reg_write_common(int size, uint16_t addr, uint8_t val, void *p)
if (dev->vendor == VEN_ALI)
acpi_reg_write_ali(size, addr, val, p);
if (dev->vendor == VEN_VIA)
else if (dev->vendor == VEN_VIA)
acpi_reg_write_via(size, addr, val, p);
else if (dev->vendor == VEN_VIA_596B)
acpi_reg_write_via_596b(size, addr, val, p);
@@ -1195,7 +1195,11 @@ acpi_aux_reg_read_common(int size, uint16_t addr, void *p)
acpi_t *dev = (acpi_t *) p;
uint8_t ret = 0xff;
if (dev->vendor == VEN_SMC)
if (dev->vendor == VEN_VIA_596B)
ret = acpi_reg_read_via_596b(size, addr - (0xf0 - 0x04), p);
else if (dev->vendor == VEN_INTEL)
ret = acpi_reg_read_intel(size, addr - (0x40 - 0x04), p);
else if (dev->vendor == VEN_SMC)
ret = acpi_aux_reg_read_smc(size, addr, p);
return ret;
@@ -1207,7 +1211,11 @@ acpi_aux_reg_write_common(int size, uint16_t addr, uint8_t val, void *p)
{
acpi_t *dev = (acpi_t *) p;
if (dev->vendor == VEN_SMC)
if (dev->vendor == VEN_VIA_596B)
acpi_reg_write_via_596b(size, addr - (0xf0 - 0x04), val, p);
else if (dev->vendor == VEN_INTEL)
acpi_reg_write_intel(size, addr - (0x40 - 0x04), val, p);
else if (dev->vendor == VEN_SMC)
acpi_aux_reg_write_smc(size, addr, val, p);
}
@@ -1256,7 +1264,7 @@ acpi_reg_read(uint16_t addr, void *p)
static uint32_t
acpi_aux_read_readl(uint16_t addr, void *p)
acpi_aux_reg_readl(uint16_t addr, void *p)
{
uint32_t ret = 0x00000000;
@@ -1272,7 +1280,7 @@ acpi_aux_read_readl(uint16_t addr, void *p)
static uint16_t
acpi_aux_read_readw(uint16_t addr, void *p)
acpi_aux_reg_readw(uint16_t addr, void *p)
{
uint16_t ret = 0x0000;
@@ -1286,7 +1294,7 @@ acpi_aux_read_readw(uint16_t addr, void *p)
static uint8_t
acpi_aux_read_read(uint16_t addr, void *p)
acpi_aux_reg_read(uint16_t addr, void *p)
{
uint8_t ret = 0x00;
@@ -1396,17 +1404,33 @@ acpi_update_io_mapping(acpi_t *dev, uint32_t base, int chipset_en)
void
acpi_update_aux_io_mapping(acpi_t *dev, uint32_t base, int chipset_en)
{
int size;
switch (dev->vendor) {
case VEN_INTEL:
case VEN_VIA_596B:
/* Undocumented mirror of PMCNTRL. */
size = 0x001;
break;
case VEN_SMC:
size = 0x008;
break;
default:
size = 0x000;
break;
}
if (dev->aux_io_base != 0x0000) {
io_removehandler(dev->aux_io_base, 0x08,
acpi_aux_read_read, acpi_aux_read_readw, acpi_aux_read_readl,
io_removehandler(dev->aux_io_base, size,
acpi_aux_reg_read, acpi_aux_reg_readw, acpi_aux_reg_readl,
acpi_aux_reg_write, acpi_aux_reg_writew, acpi_aux_reg_writel, dev);
}
dev->aux_io_base = base;
if (chipset_en && (dev->aux_io_base != 0x0000)) {
io_sethandler(dev->aux_io_base, 0x08,
acpi_aux_read_read, acpi_aux_read_readw, acpi_aux_read_readl,
io_sethandler(dev->aux_io_base, size,
acpi_aux_reg_read, acpi_aux_reg_readw, acpi_aux_reg_readl,
acpi_aux_reg_write, acpi_aux_reg_writew, acpi_aux_reg_writel, dev);
}
}

8
src/chipset/intel_piix.c
View File

@@ -813,11 +813,13 @@ piix_write(int func, int addr, uint8_t val, void *priv)
fregs[0x40] = (val & 0xc0) | 1;
dev->acpi_io_base = (dev->regs[3][0x41] << 8) | (dev->regs[3][0x40] & 0xc0);
acpi_update_io_mapping(dev->acpi, dev->acpi_io_base, (dev->regs[3][0x80] & 0x01));
acpi_update_aux_io_mapping(dev->acpi, dev->acpi_io_base + 0x40, (dev->regs[3][0x80] & 0x01));
break;
case 0x41:
fregs[0x41] = val;
dev->acpi_io_base = (dev->regs[3][0x41] << 8) | (dev->regs[3][0x40] & 0xc0);
acpi_update_io_mapping(dev->acpi, dev->acpi_io_base, (dev->regs[3][0x80] & 0x01));
acpi_update_aux_io_mapping(dev->acpi, dev->acpi_io_base + 0x40, (dev->regs[3][0x80] & 0x01));
break;
case 0x44: case 0x45: case 0x46: case 0x47:
case 0x48: case 0x49:
@@ -844,10 +846,12 @@ piix_write(int func, int addr, uint8_t val, void *priv)
break;
case 0x4f: case 0x80: case 0xd2:
fregs[addr] = val & 0x0f;
if (addr == 0x80)
if (addr == 0x80) {
acpi_update_io_mapping(dev->acpi, dev->acpi_io_base, (dev->regs[3][0x80] & 0x01));
else if (addr == 0xd2)
acpi_update_aux_io_mapping(dev->acpi, dev->acpi_io_base + 0x40, (dev->regs[3][0x80] & 0x01));
} else if (addr == 0xd2) {
smbus_update_io_mapping(dev);
}
break;
case 0x50:
fregs[addr] = val & 0x3f;

1
src/chipset/via_pipc.c
View File

@@ -1128,6 +1128,7 @@ pipc_write(int func, int addr, uint8_t val, void *priv)
c -= 0x400;
acpi_set_timer32(dev->acpi, dev->power_regs[0x41] & 0x08);
acpi_update_io_mapping(dev->acpi, c, dev->power_regs[0x41] & 0x80);
acpi_update_aux_io_mapping(dev->acpi, c + 0xf0, dev->power_regs[0x41] & 0x80);
break;
case 0x42: