superio.c

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/* SPDX-License-Identifier: GPL-2.0-or-later */
 
#include <device/device.h>
#include <device/pnp.h>
#include <pc80/keyboard.h>
#include <superio/conf_mode.h>
#include <superio/common/ssdt.h>
#include <acpi/acpi.h>
#include "nct6791d.h"
 
static void nct6791d_init(struct device *dev)
{
        if (!dev->enabled)
                return;
 
        switch (dev->path.pnp.device) {
        case NCT6791D_KBC:
                pc_keyboard_init(NO_AUX_DEVICE);
                break;
        }
}
 
#if CONFIG(HAVE_ACPI_TABLES)
/* Provide ACPI HIDs for generic Super I/O SSDT */
static const char *nct6791d_acpi_hid(const struct device *dev)
{
        if ((dev->path.type != DEVICE_PATH_PNP) ||
                (dev->path.pnp.port == 0) ||
                ((dev->path.pnp.device & 0xff) > NCT6791D_DS))
                return NULL;
 
        switch (dev->path.pnp.device & 0xff) {
        case NCT6791D_SP1: /* fallthrough */
        case NCT6791D_SP2:
                return ACPI_HID_COM;
        case NCT6791D_KBC:
                return ACPI_HID_KEYBOARD;
        default:
                return ACPI_HID_PNP;
        }
}
#endif
 
static struct device_operations ops = {
        .read_resources   = pnp_read_resources,
        .set_resources    = pnp_set_resources,
        .enable_resources = pnp_enable_resources,
        .enable           = pnp_alt_enable,
        .init             = nct6791d_init,
        .ops_pnp_mode     = &pnp_conf_mode_8787_aa,
#if CONFIG(HAVE_ACPI_TABLES)
        .acpi_fill_ssdt   = superio_common_fill_ssdt_generator,
        .acpi_name        = superio_common_ldn_acpi_name,
        .acpi_hid         = nct6791d_acpi_hid,
#endif
};
 
static struct pnp_info pnp_dev_info[] = {
        { NULL, NCT6791D_PP, PNP_IO0 | PNP_IRQ0 | PNP_DRQ0,
                0x0ff8, },
        { NULL, NCT6791D_SP1, PNP_IO0 | PNP_IRQ0,
                0x0ff8, },
        { NULL, NCT6791D_SP2, PNP_IO0 | PNP_IRQ0,
                0x0ff8, },
        { NULL, NCT6791D_KBC, PNP_IO0 | PNP_IO1 | PNP_IRQ0 | PNP_IRQ1,
                0x0fff, 0x0fff, },
        { NULL, NCT6791D_CIR, PNP_IO0 | PNP_IRQ0,
                0x0ff8, },
        { NULL, NCT6791D_ACPI},
        { NULL, NCT6791D_HWM_FPLED, PNP_IO0 | PNP_IO1 | PNP_IRQ0,
                0x0ffe, 0x0ffe, },
        { NULL, NCT6791D_BCLK_WDT2_WDTMEM},
        { NULL, NCT6791D_CIRWUP, PNP_IO0 | PNP_IRQ0,
                0x0ff8, },
        { NULL, NCT6791D_GPIO_PP_OD},
        { NULL, NCT6791D_PORT80},
        { NULL, NCT6791D_WDT1},
        { NULL, NCT6791D_WDTMEM},
        { NULL, NCT6791D_GPIOBASE, PNP_IO0,
                0x0ff8, },
        { NULL, NCT6791D_GPIO0},
        { NULL, NCT6791D_GPIO1},
        { NULL, NCT6791D_GPIO2},
        { NULL, NCT6791D_GPIO3},
        { NULL, NCT6791D_GPIO4},
        { NULL, NCT6791D_GPIO5},
        { NULL, NCT6791D_GPIO6},
        { NULL, NCT6791D_GPIO7},
        { NULL, NCT6791D_GPIO8},
        { NULL, NCT6791D_DS5},
        { NULL, NCT6791D_DS3},
        { NULL, NCT6791D_PCHDSW},
        { NULL, NCT6791D_DSWWOPT},
        { NULL, NCT6791D_DS3OPT},
        { NULL, NCT6791D_DSDSS},
        { NULL, NCT6791D_DSPU},
};
 
static void enable_dev(struct device *dev)
{
        pnp_enable_devices(dev, &ops, ARRAY_SIZE(pnp_dev_info), pnp_dev_info);
}
 
struct chip_operations superio_nuvoton_nct6791d_ops = {
        CHIP_NAME("NUVOTON NCT6791D Super I/O")
        .enable_dev = enable_dev,
};