diff options
Diffstat (limited to 'src/mainboard/lenovo/z61t/smihandler.c')
| -rw-r--r-- | src/mainboard/lenovo/z61t/smihandler.c | 177 |
1 files changed, 0 insertions, 177 deletions
diff --git a/src/mainboard/lenovo/z61t/smihandler.c b/src/mainboard/lenovo/z61t/smihandler.c deleted file mode 100644 index eacbd5e077..0000000000 --- a/src/mainboard/lenovo/z61t/smihandler.c +++ /dev/null @@ -1,177 +0,0 @@ -/* - * 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. - */ - -#include <arch/io.h> -#include <device/pci_ops.h> -#include <console/console.h> -#include <cpu/x86/smm.h> -#include <southbridge/intel/i82801gx/nvs.h> -#include <southbridge/intel/common/pmutil.h> -#include <ec/acpi/ec.h> -#include "dock.h" -#include "smi.h" - -#define GPE_EC_SCI 12 - -#define LVTMA_BL_MOD_LEVEL 0x7af9 /* ATI Radeon backlight level */ - -static void mainboard_smm_init(void) -{ - printk(BIOS_DEBUG, "initializing SMI\n"); - /* Enable 0x1600/0x1600 register pair */ - ec_set_bit(0x00, 0x05); -} - -static void mainboard_smi_brightness_down(void) -{ - u8 *bar; - if ((bar = (u8 *)pci_read_config32(PCI_DEV(1, 0, 0), 0x18))) { - printk(BIOS_DEBUG, "bar: %08X, level %02X\n", (unsigned int)bar, - *(bar+LVTMA_BL_MOD_LEVEL)); - *(bar+LVTMA_BL_MOD_LEVEL) &= 0xf0; - if (*(bar+LVTMA_BL_MOD_LEVEL) > 0x10) - *(bar+LVTMA_BL_MOD_LEVEL) -= 0x10; - } -} - -static void mainboard_smi_brightness_up(void) -{ - u8 *bar; - if ((bar = (u8 *)pci_read_config32(PCI_DEV(1, 0, 0), 0x18))) { - printk(BIOS_DEBUG, "bar: %08X, level %02X\n", (unsigned int)bar, - *(bar+LVTMA_BL_MOD_LEVEL)); - *(bar+LVTMA_BL_MOD_LEVEL) |= 0x0f; - if (*(bar+LVTMA_BL_MOD_LEVEL) < 0xf0) - *(bar+LVTMA_BL_MOD_LEVEL) += 0x10; - } -} - -int mainboard_io_trap_handler(int smif) -{ - static int smm_initialized; - - if (!smm_initialized) { - mainboard_smm_init(); - smm_initialized = 1; - } - - switch (smif) { - case SMI_DOCK_CONNECT: - /* If there's an legacy I/O module present, we're not - * allowed to connect the Docking LPC Bus, as both Super I/O - * chips are using 0x2e as base address. - */ - if (legacy_io_present()) - break; - - if (!dock_connect()) { - /* set dock LED to indicate status */ - ec_write(0x0c, 0x08); - ec_write(0x0c, 0x89); - } else { - /* blink dock LED to indicate failure */ - ec_write(0x0c, 0xc8); - ec_write(0x0c, 0x09); - } - break; - - case SMI_DOCK_DISCONNECT: - dock_disconnect(); - ec_write(0x0c, 0x09); - ec_write(0x0c, 0x08); - break; - - case SMI_BRIGHTNESS_UP: - mainboard_smi_brightness_up(); - break; - - case SMI_BRIGHTNESS_DOWN: - mainboard_smi_brightness_down(); - break; - - default: - return 0; - } - - /* On success, the IO Trap Handler returns 1 - * On failure, the IO Trap Handler returns a value != 1 */ - return 1; -} - -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(); - break; - /* brightness down */ - case 0x15: - mainboard_smi_brightness_down(); - break; - /* Fn-F9 Key */ - case 0x18: - /* power loss */ - case 0x27: - /* undock event */ - case 0x50: - mainboard_io_trap_handler(SMI_DOCK_DISCONNECT); - break; - /* dock event */ - case 0x37: - mainboard_io_trap_handler(SMI_DOCK_CONNECT); - break; - default: - break; - } -} - -void mainboard_smi_gpi(u32 gpi) -{ - if (gpi & (1 << GPE_EC_SCI)) - mainboard_smi_handle_ec_sci(); -} - -int mainboard_smi_apmc(u8 data) -{ - switch (data) { - case APM_CNT_ACPI_ENABLE: - /* use 0x1600/0x1604 to prevent races with userspace */ - ec_set_ports(0x1604, 0x1600); - /* route H8SCI to SCI */ - gpi_route_interrupt(GPE_EC_SCI, GPI_IS_SCI); - 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 */ - gpi_route_interrupt(GPE_EC_SCI, GPI_IS_SMI); - break; - default: - break; - } - return 0; -} |