diff options
Diffstat (limited to 'src/superio/winbond/w83977f/superio.c')
| -rw-r--r-- | src/superio/winbond/w83977f/superio.c | 118 |
1 files changed, 118 insertions, 0 deletions
diff --git a/src/superio/winbond/w83977f/superio.c b/src/superio/winbond/w83977f/superio.c new file mode 100644 index 0000000000..bfff3d2d49 --- /dev/null +++ b/src/superio/winbond/w83977f/superio.c @@ -0,0 +1,118 @@ +/* + * This file is part of the LinuxBIOS project. + * + * Copyright (C) 2007 Nikolay Petukhov <nikolay.petukhov@gmail.com> + * + * 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; either version 2 of the License, or + * (at your option) any later version. + * + * 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 <device/device.h> +#include <device/pnp.h> +#include <console/console.h> +#include <string.h> +#include <bitops.h> +#include <uart8250.h> +#include <pc80/keyboard.h> +#include "chip.h" +#include "w83977f.h" + +static void w83977f_enter_ext_func_mode(device_t dev) +{ + outb(0x87, dev->path.u.pnp.port); + outb(0x87, dev->path.u.pnp.port); +} +static void w83977f_exit_ext_func_mode(device_t dev) +{ + outb(0xaa, dev->path.u.pnp.port); +} + +static void w83977f_init(device_t dev) +{ + struct superio_winbond_w83977f_config *conf; + struct resource *res0, *res1; + + if (!dev->enabled) { + return; + } + conf = dev->chip_info; + switch(dev->path.u.pnp.device) { + case W83977F_SP1: + res0 = find_resource(dev, PNP_IDX_IO0); + init_uart8250(res0->base, &conf->com1); + break; + case W83977F_SP2: + res0 = find_resource(dev, PNP_IDX_IO0); + init_uart8250(res0->base, &conf->com2); + break; + case W83977F_KBC: + res0 = find_resource(dev, PNP_IDX_IO0); + res1 = find_resource(dev, PNP_IDX_IO1); + init_pc_keyboard(res0->base, res1->base, &conf->keyboard); + break; + } +} + +static void w83977f_set_resources(device_t dev) +{ + w83977f_enter_ext_func_mode(dev); + pnp_set_resources(dev); + w83977f_exit_ext_func_mode(dev); +} + +static void w83977f_enable_resources(device_t dev) +{ + w83977f_enter_ext_func_mode(dev); + pnp_enable_resources(dev); + w83977f_exit_ext_func_mode(dev); +} + +static void w83977f_enable(device_t dev) +{ + w83977f_enter_ext_func_mode(dev); + pnp_enable(dev); + w83977f_exit_ext_func_mode(dev); +} + +static struct device_operations ops = { + .read_resources = pnp_read_resources, + .set_resources = w83977f_set_resources, + .enable_resources = w83977f_enable_resources, + .enable = w83977f_enable, + .init = w83977f_init, +}; + +static struct pnp_info pnp_dev_info[] = { + { &ops, W83977F_FDC, PNP_IO0 | PNP_IRQ0 | PNP_DRQ0, { 0x7f8, 0 }, }, + { &ops, W83977F_PP, PNP_IO0 | PNP_IRQ0 | PNP_DRQ0, { 0x7f8, 0 }, }, + { &ops, W83977F_SP1, PNP_IO0 | PNP_IRQ0, { 0x7f8, 0 }, }, + { &ops, W83977F_SP2, PNP_IO0 | PNP_IRQ0, { 0x7f8, 0 }, }, + { &ops, W83977F_RTC, PNP_IO0 | PNP_IRQ0, { 0x7f8, 0 }, }, + { &ops, W83977F_KBC, PNP_IO0 | PNP_IO1 | PNP_IRQ0 | PNP_IRQ1, { 0x7f8, 0 }, { 0x7f8, 0x0}, }, + { &ops, W83977F_IR, PNP_IO0 | PNP_IRQ0, { 0x7f8, 0 }, }, + { &ops, W83977F_GPIO1, PNP_IO0, { 0x7f8, 0 }, }, + { &ops, W83977F_GPIO2, PNP_IO0, { 0x7f8, 0 }, }, +}; + +static void enable_dev(device_t dev) +{ + pnp_enable_devices(dev, &ops, + sizeof(pnp_dev_info)/sizeof(pnp_dev_info[0]), pnp_dev_info); +} + +struct chip_operations superio_winbond_w83977f_ops = { + CHIP_NAME("Winbond W83977F-A Super I/O") + .enable_dev = enable_dev, +}; |