diff options
| -rw-r--r-- | src/mainboard/lenovo/x60/devicetree.cb | 4 | ||||
| -rw-r--r-- | src/mainboard/lenovo/x60/mainboard_smi.c | 92 |
2 files changed, 94 insertions, 2 deletions
diff --git a/src/mainboard/lenovo/x60/devicetree.cb b/src/mainboard/lenovo/x60/devicetree.cb index b708dce61d..42a45d1a5c 100644 --- a/src/mainboard/lenovo/x60/devicetree.cb +++ b/src/mainboard/lenovo/x60/devicetree.cb @@ -53,13 +53,13 @@ chip northbridge/intel/i945 # 1 SMI# (if corresponding ALT_GPI_SMI_EN bit is also set) # 2 SCI (if corresponding GPIO_EN bit is also set) register "gpi13_routing" = "2" - register "gpi12_routing" = "2" + register "gpi12_routing" = "1" register "gpi8_routing" = "2" register "sata_ahci" = "0x0" register "gpe0_en" = "0x11000006" - + register "alt_gp_smi_en" = "0x1000" device pci 1b.0 on # Audio Cnotroller subsystemid 0x17aa 0x2010 end diff --git a/src/mainboard/lenovo/x60/mainboard_smi.c b/src/mainboard/lenovo/x60/mainboard_smi.c index 769432f618..fd10c9a9a4 100644 --- a/src/mainboard/lenovo/x60/mainboard_smi.c +++ b/src/mainboard/lenovo/x60/mainboard_smi.c @@ -24,6 +24,7 @@ #include <console/console.h> #include <cpu/x86/smm.h> #include "southbridge/intel/i82801gx/nvs.h" +#include "southbridge/intel/i82801gx/i82801gx.h" #include <ec/acpi/ec.h> #include <pc80/mc146818rtc.h> #include <ec/lenovo/h8/h8.h> @@ -98,3 +99,94 @@ int mainboard_io_trap_handler(int smif) * On failure, the IO Trap Handler returns a value != 1 */ return 1; } + +static void mainboard_smi_brightness_up(void) +{ + u8 value; + + if ((value = pci_read_config8(PCI_DEV(0, 2, 1), 0xf4)) < 0xf0) + pci_write_config8(PCI_DEV(0, 2, 1), 0xf4, (value + 0x10) | 0xf); +} + +static void mainboard_smi_brightness_down(void) +{ + u8 value; + + if ((value = pci_read_config8(PCI_DEV(0, 2, 1), 0xf4)) > 0x10) + pci_write_config8(PCI_DEV(0, 2, 1), 0xf4, (value - 0x10) & 0xf0); +} + +static void mainboard_smi_handle_ec_sci(void) +{ + u8 status = inb(EC_SC); + u8 event; + + if (!(status & EC_SCI_EVT)) + return; + + event = ec_query(); + printk(BIOS_DEBUG, "EC event %02x\n", event); + + switch(event) { + /* brightness up */ + case 0x14: + mainboard_smi_brightness_up(); + mainboard_smi_save_cmos(); + break; + /* brightness down */ + case 0x15: + mainboard_smi_brightness_down(); + mainboard_smi_save_cmos(); + break; + default: + break; + } +} + +void mainboard_smi_gpi(u16 gpi) +{ + if (gpi & (1 << 12)) + mainboard_smi_handle_ec_sci(); +} + +int mainboard_apm_cnt(u8 data) +{ + u16 pmbase = pci_read_config16(PCI_DEV(0, 0x1f, 0), 0x40) & 0xfffc; + u8 tmp; + + printk(BIOS_DEBUG, "%s: pmbase %04X, data %02X\n", __func__, pmbase, data); + + if (!pmbase) + return 0; + + switch(data) { + case APM_CNT_ACPI_ENABLE: + /* use 0x1600/0x1604 to prevent races with userspace */ + ec_set_ports(0x1604, 0x1600); + /* route H8SCI to SCI */ + outw(inw(ALT_GP_SMI_EN) & ~0x1000, pmbase + ALT_GP_SMI_EN); + tmp = pci_read_config8(PCI_DEV(0, 0x1f, 0), 0xbb); + tmp &= ~0x03; + tmp |= 0x02; + pci_write_config8(PCI_DEV(0, 0x1f, 0), 0xbb, tmp); + /* discard all events, and enable attention */ + ec_write(0x80, 0x01); + break; + case APM_CNT_ACPI_DISABLE: + /* we have to use port 0x62/0x66, as 0x1600/0x1604 doesn't + provide a EC query function */ + ec_set_ports(0x66, 0x62); + /* route H8SCI# to SMI */ + outw(inw(pmbase + ALT_GP_SMI_EN) | 0x1000, pmbase + ALT_GP_SMI_EN); + tmp = pci_read_config8(PCI_DEV(0, 0x1f, 0), 0xbb); + tmp &= ~0x03; + tmp |= 0x01; + pci_write_config8(PCI_DEV(0, 0x1f, 0), 0xbb, tmp); + /* discard all events, and enable attention */ + ec_write(0x80, 0x01); + break; + default: + break; + } + return 0; +} |