| /* SPDX-License-Identifier: GPL-2.0-or-later */ |
| |
| #include <console/console.h> |
| #include <device/device.h> |
| #include <device/pnp.h> |
| #include <pc80/keyboard.h> |
| #include <option.h> |
| #include <acpi/acpi.h> |
| #include <superio/conf_mode.h> |
| |
| #include "nct5572d.h" |
| |
| #define MAINBOARD_POWER_OFF 0 |
| #define MAINBOARD_POWER_ON 1 |
| #define MAINBOARD_POWER_KEEP 2 |
| |
| static void nct5572d_init(struct device *dev) |
| { |
| uint8_t byte; |
| uint8_t power_status; |
| uint8_t mouse_detected; |
| |
| if (!dev->enabled) |
| return; |
| |
| switch (dev->path.pnp.device) { |
| /* TODO: Might potentially need code for HWM or FDC etc. */ |
| case NCT5572D_KBC: |
| /* Enable mouse controller */ |
| pnp_enter_conf_mode(dev); |
| byte = pnp_read_config(dev, 0x2a); |
| byte &= ~(0x1 << 1); |
| pnp_write_config(dev, 0x2a, byte); |
| pnp_exit_conf_mode(dev); |
| |
| mouse_detected = pc_keyboard_init(PROBE_AUX_DEVICE); |
| |
| if (!mouse_detected) { |
| printk(BIOS_INFO, "%s: Disable mouse controller.\n", |
| __func__); |
| pnp_enter_conf_mode(dev); |
| byte = pnp_read_config(dev, 0x2a); |
| byte |= 0x1 << 1; |
| pnp_write_config(dev, 0x2a, byte); |
| pnp_exit_conf_mode(dev); |
| } |
| break; |
| case NCT5572D_ACPI: |
| /* Set power state after power fail */ |
| power_status = get_int_option("power_on_after_fail", |
| CONFIG_MAINBOARD_POWER_FAILURE_STATE); |
| pnp_enter_conf_mode(dev); |
| pnp_set_logical_device(dev); |
| byte = pnp_read_config(dev, 0xe4); |
| byte &= ~0x60; |
| if (power_status == MAINBOARD_POWER_ON) |
| byte |= (0x1 << 5); |
| else if (power_status == MAINBOARD_POWER_KEEP) |
| byte |= (0x2 << 5); |
| pnp_write_config(dev, 0xe4, byte); |
| pnp_exit_conf_mode(dev); |
| printk(BIOS_INFO, "set power %s after power fail\n", power_status ? "on" : "off"); |
| break; |
| } |
| } |
| |
| 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 = nct5572d_init, |
| .ops_pnp_mode = &pnp_conf_mode_8787_aa, |
| }; |
| |
| static struct pnp_info pnp_dev_info[] = { |
| { NULL, NCT5572D_FDC}, /* no pins, removed from datasheet */ |
| { NULL, NCT5572D_PP}, /* no pins, removed from datasheet */ |
| { NULL, NCT5572D_SP1, PNP_IO0 | PNP_IRQ0, 0x0FF8, }, |
| { NULL, NCT5572D_IR, PNP_IO0 | PNP_IRQ0, 0x0FF8, }, |
| { NULL, NCT5572D_KBC, PNP_IO0 | PNP_IO1 | PNP_IRQ0 | PNP_IRQ1, |
| 0x0FFF, 0x0FFF, }, |
| { NULL, NCT5572D_CIR, PNP_IO0 | PNP_IRQ0, 0x0FF8, }, |
| { NULL, NCT5572D_WDT1}, |
| { NULL, NCT5572D_ACPI}, |
| { NULL, NCT5572D_HWM_TSI_FPLED, PNP_IO0 | PNP_IO1 | PNP_IRQ0, |
| 0x0FFE, 0x0FFE, }, |
| { NULL, NCT5572D_PECI}, |
| { NULL, NCT5572D_SUSLED}, |
| { NULL, NCT5572D_CIRWKUP, PNP_IO0 | PNP_IRQ0, 0x0FF8, }, |
| { NULL, NCT5572D_GPIO_PP_OD}, |
| { NULL, NCT5572D_GPIO2}, |
| { NULL, NCT5572D_GPIO3}, |
| { NULL, NCT5572D_GPIO4}, /* no pins, removed from datasheet */ |
| { NULL, NCT5572D_GPIO5}, |
| { NULL, NCT5572D_GPIO6}, |
| { NULL, NCT5572D_GPIO7}, /* no pins, removed from datasheet */ |
| { NULL, NCT5572D_GPIO8}, |
| { NULL, NCT5572D_GPIO9}, |
| }; |
| |
| 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_nct5572d_ops = { |
| CHIP_NAME("NUVOTON NCT5572D Super I/O") |
| .enable_dev = enable_dev, |
| }; |