diff options
Diffstat (limited to 'src/superio/winbond/w83667hg-a')
| -rw-r--r-- | src/superio/winbond/w83667hg-a/ps2_controller.asl | 78 | ||||
| -rw-r--r-- | src/superio/winbond/w83667hg-a/superio.c | 20 |
2 files changed, 97 insertions, 1 deletions
diff --git a/src/superio/winbond/w83667hg-a/ps2_controller.asl b/src/superio/winbond/w83667hg-a/ps2_controller.asl new file mode 100644 index 0000000000..c3b5c758fa --- /dev/null +++ b/src/superio/winbond/w83667hg-a/ps2_controller.asl @@ -0,0 +1,78 @@ +/* + * This file is part of the coreboot project. + * + * Copyright (c) 2013 Vladimir Serbinenko + * Copyright (c) 2015 Raptor Engineering + * + * 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. + */ + + /* SuperIO control port */ + Name (SPIO, 0x2E) + + /* SuperIO control map */ + OperationRegion (SPIM, SystemIO, SPIO, 0x02) + Field (SPIM, ByteAcc, NoLock, Preserve) { + SIOI, 8, + SIOD, 8 + } + + /* SuperIO control registers */ + IndexField (SIOI, SIOD, ByteAcc, NoLock, Preserve) { + Offset (0x2A), + CR2A, 8, /* Pin function selection */ + } + + Device (PS2K) // Keyboard + { + Name(_HID, EISAID("PNP0303")) + Name(_CID, EISAID("PNP030B")) + + Name(_CRS, ResourceTemplate() + { + IO (Decode16, 0x60, 0x60, 0x01, 0x01) + IO (Decode16, 0x64, 0x64, 0x01, 0x01) + IRQ (Edge, ActiveHigh, Exclusive) { 0x01 } // IRQ 1 + }) + + Method (_STA, 0) + { + Return (0xf) + } + } + + Device (PS2M) // Mouse + { + Name(_HID, EISAID("PNP0F13")) + Name(_CRS, ResourceTemplate() + { + IRQ (Edge, ActiveHigh, Exclusive) { 0x0c } // IRQ 12 + }) + + Method(_STA, 0) + { + /* Access SuperIO ACPI device */ + Store(0x87, SIOI) + Store(0x87, SIOI) + + /* Read Pin56 function select */ + And(CR2A, 0x2, Local0) + + /* Restore default SuperIO access */ + Store(0xAA, SIOI) + + if (LEqual(Local0, 0x0)) { + /* Mouse function selected */ + Return (0xf) + } + Return (0x0) + } + } diff --git a/src/superio/winbond/w83667hg-a/superio.c b/src/superio/winbond/w83667hg-a/superio.c index 96eddd7310..6cd54ef9fc 100644 --- a/src/superio/winbond/w83667hg-a/superio.c +++ b/src/superio/winbond/w83667hg-a/superio.c @@ -23,6 +23,7 @@ #include <pc80/keyboard.h> #include <pc80/mc146818rtc.h> #include <stdlib.h> +#include <arch/acpi.h> #include <superio/conf_mode.h> #include "w83667hg-a.h" @@ -38,6 +39,7 @@ static void w83667hg_a_init(struct device *dev) { uint8_t byte; uint8_t power_status; + uint8_t mouse_detected; if (!dev->enabled) return; @@ -45,7 +47,23 @@ static void w83667hg_a_init(struct device *dev) switch(dev->path.pnp.device) { /* TODO: Might potentially need code for HWM or FDC etc. */ case W83667HG_A_KBC: - pc_keyboard_init(); + /* Enable mouse controller */ + pnp_enter_conf_mode_8787(dev); + byte = pnp_read_config(dev, 0x2a); + byte &= ~(0x1 << 1); + pnp_write_config(dev, 0x2a, byte); + pnp_exit_conf_mode_aa(dev); + + mouse_detected = pc_keyboard_init(PROBE_AUX_DEVICE); + + if (!mouse_detected && !acpi_is_wakeup_s3()) { + /* Disable mouse controller */ + pnp_enter_conf_mode_8787(dev); + byte = pnp_read_config(dev, 0x2a); + byte |= 0x1 << 1; + pnp_write_config(dev, 0x2a, byte); + pnp_exit_conf_mode_aa(dev); + } break; case W83667HG_A_ACPI: /* Set power state after power fail */ |