| /* SPDX-License-Identifier: GPL-2.0-or-later */ |
| |
| #include <arch/io.h> |
| #include <device/pnp_ops.h> |
| #include <device/pnp_def.h> |
| #include "wpcm450.h" |
| |
| static void wpcm450_pnp_set_logical_device(u8 dev, u16 port) |
| { |
| outb(0x7, port); |
| outb(dev, port+1); |
| } |
| |
| static void wpcm450_pnp_set_enable(u8 dev, u16 port, u8 enable) |
| { |
| outb(0x30, port); |
| outb(enable, port+1); |
| } |
| |
| static void wpcm450_pnp_set_iobase(u8 dev, u16 port, u8 index, u16 iobase) |
| { |
| outb(index, port); |
| outb((iobase>>8)&0xFF, port+1); |
| outb(index+1, port); |
| outb(iobase&0xFF, port+1); |
| } |
| |
| void wpcm450_enable_dev(u8 dev, u16 port, u16 iobase) |
| { |
| wpcm450_pnp_set_logical_device(dev, port); |
| wpcm450_pnp_set_enable(dev, port, 0); |
| if (iobase) |
| wpcm450_pnp_set_iobase(dev, port, PNP_IDX_IO0, iobase); |
| wpcm450_pnp_set_enable(dev, port, 1); |
| } |