diff options
Diffstat (limited to 'src/mainboard/getac/p470/mainboard_smi.c')
| -rw-r--r-- | src/mainboard/getac/p470/mainboard_smi.c | 203 |
1 files changed, 203 insertions, 0 deletions
diff --git a/src/mainboard/getac/p470/mainboard_smi.c b/src/mainboard/getac/p470/mainboard_smi.c new file mode 100644 index 000000000000..c7fe3f74f147 --- /dev/null +++ b/src/mainboard/getac/p470/mainboard_smi.c @@ -0,0 +1,203 @@ +/* + * This file is part of the coreboot project. + * + * Copyright (C) 2008-2009 coresystems GmbH + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; version 2 of + * the License. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, + * MA 02110-1301 USA + */ + +#include <arch/io.h> +#include <arch/romcc_io.h> +#include <console/console.h> +#include <cpu/x86/smm.h> +#include "southbridge/intel/i82801gx/i82801gx.h" +#include "southbridge/intel/i82801gx/i82801gx_nvs.h" +#include "northbridge/intel/i945/udelay.c" +#include "ec.c" + +#define MAX_LCD_BRIGHTNESS 0xd8 + +/* The southbridge SMI handler checks whether gnvs has a + * valid pointer before calling the trap handler + */ +extern global_nvs_t *gnvs; + +int mainboard_io_trap_handler(int smif) +{ + u8 reg8; + u32 reg32; + + switch (smif) { + case 0x2b: + printk(BIOS_DEBUG, "CPU power state switch\n"); + // TODO, move to CPU handler? + break; + case 0x3d: + printk(BIOS_DEBUG, "Enable C-State SMM coordination\n"); + // TODO, move to CPU handler? + break; + case 0x46: + printk(BIOS_DEBUG, "S3 DTS SMI (completely re-enable DTS)\n"); + // TODO, move to CPU handler? + break; + case 0x47: + printk(BIOS_DEBUG, "S4 DTS SMI (Update NVS DTS temperature)\n"); + // TODO, move to CPU handler? + break; + case 0xc0: + printk(BIOS_DEBUG, "Disable RF\n"); + // TODO + break; + case 0xd0: + printk(BIOS_DEBUG, "ACBS LAN Power on\n"); + // TODO + break; + case 0xd1: + printk(BIOS_DEBUG, "ACBS LAN Power off\n"); + // TODO + break; + case 0xd2: + printk(BIOS_DEBUG, "Check AC status\n"); + // TODO + break; + case 0xd3: + printk(BIOS_DEBUG, "Enable Bluetooth\n"); + // TODO + break; + case 0xd4: + printk(BIOS_DEBUG, "Disable Bluetooth\n"); + // TODO + break; + case 0xd5: + printk(BIOS_DEBUG, "Set Brightness\n"); + reg8 = gnvs->brtl; + printk(BIOS_DEBUG, "brtl: %x\n", reg8); + ec_write(0x17, reg8); + break; + case 0xd6: + printk(BIOS_DEBUG, "Get Brightness\n"); + reg8 = ec_read(0x17); + printk(BIOS_DEBUG, "brtl: %x\n", reg8); + gnvs->brtl = reg8; + break; + case 0xd7: + printk(BIOS_DEBUG, "Get ECO mode status\n"); + // TODO + break; + case 0xd8: + printk(BIOS_DEBUG, "Get sunlight readable status\n"); + // TODO + break; + case 0xd9: + printk(BIOS_DEBUG, "Get docking connection\n"); + // TODO + break; + case 0xda: + printk(BIOS_DEBUG, "Power off docking\n"); + // TODO + break; + case 0xdc: + printk(BIOS_DEBUG, "EC: Turn on LED on ECO enable\n"); + // TODO + break; + case 0xdd: + printk(BIOS_DEBUG, "EC: Turn off LED on ECO disable\n"); + // TODO + break; + case 0xde: + printk(BIOS_DEBUG, "LAN power off\n"); + reg32 = inl(DEFAULT_GPIOBASE + GP_LVL); + reg32 |= (1 << 24); // Disable LAN Power + outl(reg32, DEFAULT_GPIOBASE + GP_LVL); + break; + case 0xdf: + printk(BIOS_DEBUG, "RF enable\n"); + // TODO + break; + case 0xe0: + printk(BIOS_DEBUG, "Get RTC wake flag\n"); + // TODO + break; + case 0xe1: + printk(BIOS_DEBUG, "Hotkey function\n"); + // TODO + break; + case 0xe3: + printk(BIOS_DEBUG, "ECO disable\n"); + // TODO + break; + default: + return 0; + } + + /* gnvs->smif: + * On success, the IO Trap Handler returns 0 + * On failure, the IO Trap Handler returns a value != 0 + */ + gnvs->smif = 0; + return 1; +} + +static void mainboard_smi_hotkey(u8 hotkey) +{ + u8 reg8; + + switch (hotkey) { + case 0x3b: break; // Fn+F1 + case 0x3c: break; // Fn+F2 + case 0x3d: break; // Fn+F3 + case 0x3e: break; // Fn+F4 + case 0x3f: break; // Fn+F5 + case 0x40: // Fn+F6 (Decrease Display Brightness) + reg8 = ec_read(0x17); + reg8 = (reg8 > 8) ? (reg8 - 8) : 0; + ec_write(0x17, reg8); + return; + case 0x41: // Fn+F7 (Increase Display Brightness) + reg8 = ec_read(0x17); + reg8 += 8; + reg8 = (reg8 >= MAX_LCD_BRIGHTNESS) ? MAX_LCD_BRIGHTNESS : reg8; + ec_write(0x17, reg8); + return; + case 0x42: break; // Fn+F8 + case 0x43: break; // Fn+F9 + case 0x44: break; // Fn+F10 + case 0x57: break; // Fn+F11 + case 0x58: break; // Fn+F12 + } + printk(BIOS_DEBUG, "EC hotkey: %02x\n", hotkey); +} + +void mainboard_smi_gpi(u16 gpi_sts) +{ + u8 source, hotkey; + send_ec_oem_command(0x5c); + source = recv_ec_oem_data(); + + switch (source) { + case 0: + // Some kind of ACK? + break; + case 1: + send_ec_oem_command(0x59); + hotkey = recv_ec_oem_data(); + mainboard_smi_hotkey(hotkey); + break; + default: + printk(BIOS_DEBUG, "EC SMI source: %02x\n", source); + } +} + |