| /* SPDX-License-Identifier: GPL-2.0-only */ |
| |
| #include <console/console.h> |
| #include <delay.h> |
| #include <device/device.h> |
| #include <device/pnp.h> |
| #include <ec/acpi/ec.h> |
| #include <option.h> |
| #include <pc80/keyboard.h> |
| |
| #include "ec.h" |
| #include "ecdefs.h" |
| |
| uint16_t it_get_version(void) |
| { |
| return (ec_read(ECRAM_MAJOR_VERSION) << 8) | ec_read(ECRAM_MINOR_VERSION); |
| } |
| |
| static uint8_t get_ec_value_from_option(const char *name, |
| unsigned int fallback, |
| const uint8_t *lut, |
| size_t lut_size) |
| { |
| unsigned int index = get_uint_option(name, fallback); |
| if (index >= lut_size) |
| index = fallback; |
| return lut[index]; |
| } |
| |
| static uint16_t ite_get_chip_id(unsigned int port) |
| { |
| return (pnp_read_index(port, ITE_CHIPID1) << 8) | |
| pnp_read_index(port, ITE_CHIPID2); |
| } |
| |
| static void merlin_init(struct device *dev) |
| { |
| if (!dev->enabled) |
| return; |
| |
| /* |
| * The address/data IO port pair for the ite EC are configurable |
| * through the EC domain and are fixed by the EC's firmware blob. If |
| * the value(s) passed through the "dev" structure don't match the |
| * expected values then output severe warnings. |
| */ |
| if (dev->path.pnp.port != ITE_FIXED_ADDR) { |
| printk(BIOS_ERR, "ITE: Incorrect ports defined in devicetree.cb.\n"); |
| printk(BIOS_ERR, "ITE: Serious operational issues will arise.\n"); |
| return; |
| } |
| |
| const uint16_t chip_id = ite_get_chip_id(dev->path.pnp.port); |
| |
| if (chip_id != ITE_CHIPID_VAL) { |
| printk(BIOS_ERR, "ITE: Expected chip ID 0x%04x, but got 0x%04x instead.\n", |
| ITE_CHIPID_VAL, chip_id); |
| return; |
| } |
| |
| pc_keyboard_init(NO_AUX_DEVICE); |
| |
| /* |
| * Restore settings from CMOS into EC RAM: |
| * |
| * kbl_timeout |
| * fn_ctrl_swap |
| * max_charge |
| * fan_mode |
| * fn_lock_state |
| * trackpad_state |
| * kbl_brightness |
| * kbl_state |
| */ |
| |
| /* |
| * Keyboard Backlight Timeout |
| * |
| * Setting: kbl_timeout |
| * |
| * Values: 30 Seconds, 1 Minute, 3 Minutes, 5 Minutes, Never |
| * Default: 30 Seconds |
| * |
| */ |
| const uint8_t kbl_timeout[] = { |
| SEC_30, |
| MIN_1, |
| MIN_3, |
| MIN_5, |
| NEVER |
| }; |
| |
| ec_write(ECRAM_KBL_TIMEOUT, |
| get_ec_value_from_option("kbl_timeout", |
| 0, |
| kbl_timeout, |
| ARRAY_SIZE(kbl_timeout))); |
| |
| /* |
| * Fn Ctrl Reverse |
| * |
| * Setting: fn_ctrl_swap |
| * |
| * Values: Enabled, Disabled |
| * Default: Disabled |
| * |
| */ |
| const uint8_t fn_ctrl_swap[] = { |
| FN_CTRL, |
| CTRL_FN |
| }; |
| |
| ec_write(ECRAM_FN_CTRL_REVERSE, |
| get_ec_value_from_option("fn_ctrl_swap", |
| 1, |
| fn_ctrl_swap, |
| ARRAY_SIZE(fn_ctrl_swap))); |
| |
| /* |
| * Maximum Charge Level |
| * |
| * Setting: max_charge |
| * |
| * Values: 60%, 80%, 100% |
| * Default: 100% |
| * |
| */ |
| const uint8_t max_charge[] = { |
| CHARGE_100, |
| CHARGE_80, |
| CHARGE_60 |
| }; |
| |
| ec_write(ECRAM_MAX_CHARGE, |
| get_ec_value_from_option("max_charge", |
| 0, |
| max_charge, |
| ARRAY_SIZE(max_charge))); |
| |
| /* |
| * Fan Mode |
| * |
| * Setting: fan_mode |
| * |
| * Values: Quiet, Normal, Aggressive |
| * Default: Normal |
| * |
| */ |
| const uint8_t fan_mode[] = { |
| FAN_NORMAL, |
| FAN_AGGRESSIVE, |
| FAN_QUIET |
| }; |
| |
| if (CONFIG(EC_STARLABS_FAN)) |
| ec_write(ECRAM_FAN_MODE, |
| get_ec_value_from_option("fan_mode", |
| 0, |
| fan_mode, |
| ARRAY_SIZE(fan_mode))); |
| |
| /* |
| * Function Lock |
| * |
| * Setting: fn_lock_state |
| * |
| * Values: Locked, Unlocked |
| * Default: Locked |
| * |
| */ |
| const uint8_t fn_lock_state[] = { |
| UNLOCKED, |
| LOCKED |
| }; |
| |
| ec_write(ECRAM_FN_LOCK_STATE, |
| get_ec_value_from_option("fn_lock_state", |
| 1, |
| fn_lock_state, |
| ARRAY_SIZE(fn_lock_state))); |
| |
| /* |
| * Trackpad State |
| * |
| * Setting: trackpad_state |
| * |
| * Values: Enabled, Disabled |
| * Default: Enabled |
| * |
| */ |
| const uint8_t trackpad_state[] = { |
| TRACKPAD_ENABLED, |
| TRACKPAD_DISABLED |
| }; |
| |
| ec_write(ECRAM_TRACKPAD_STATE, |
| get_ec_value_from_option("trackpad_state", |
| 0, |
| trackpad_state, |
| ARRAY_SIZE(trackpad_state))); |
| |
| /* |
| * Keyboard Backlight Brightness |
| * |
| * Setting: kbl_brightness |
| * |
| * Values: Off, Low, High / Off, On |
| * Default: Low |
| * |
| */ |
| const uint8_t kbl_brightness[] = { |
| KBL_ON, |
| KBL_OFF, |
| KBL_LOW, |
| KBL_HIGH |
| }; |
| |
| if (CONFIG(EC_STARLABS_KBL_LEVELS)) |
| ec_write(ECRAM_KBL_BRIGHTNESS, |
| get_ec_value_from_option("kbl_brightness", |
| 2, |
| kbl_brightness, |
| ARRAY_SIZE(kbl_brightness))); |
| else |
| ec_write(ECRAM_KBL_BRIGHTNESS, |
| get_ec_value_from_option("kbl_brightness", |
| 0, |
| kbl_brightness, |
| ARRAY_SIZE(kbl_brightness))); |
| |
| /* |
| * Keyboard Backlight State |
| * |
| * Setting: kbl_state |
| * |
| * Values: Off, On |
| * Default: On |
| * |
| */ |
| const uint8_t kbl_state[] = { |
| KBL_DISABLED, |
| KBL_ENABLED |
| }; |
| |
| ec_write(ECRAM_KBL_STATE, |
| get_ec_value_from_option("kbl_state", |
| 1, |
| kbl_state, |
| ARRAY_SIZE(kbl_state))); |
| } |
| |
| static struct device_operations ops = { |
| .init = merlin_init, |
| .read_resources = noop_read_resources, |
| .set_resources = noop_set_resources, |
| }; |
| |
| static struct pnp_info pnp_dev_info[] = { |
| /* Serial Port 1 (UART1) */ |
| { NULL, ITE_SP1, PNP_IO0 | PNP_IRQ0, 0x0ff8, }, |
| /* Serial Port 2 (UART2) */ |
| { NULL, ITE_SP2, PNP_IO0 | PNP_IRQ0, 0x0ff8, }, |
| /* System Wake-Up Control (SWUC) */ |
| { NULL, ITE_SWUC, PNP_IO0 | PNP_IRQ0, 0xfff0, }, |
| /* KBC / Mouse Interface */ |
| { NULL, ITE_SWUC, PNP_IRQ0, }, |
| /* KBC / Keyboard Interface */ |
| { NULL, ITE_KBCK, PNP_IO0 | PNP_IO1 | PNP_IRQ0, 0x07ff, 0x07ff, }, |
| /* Consumer IR (CIR) */ |
| { NULL, ITE_IR, PNP_IO0 | PNP_IRQ0, 0xfff8, }, |
| /* Shared Memory / Flash Interface (SMFI) */ |
| { NULL, ITE_SMFI, PNP_IO0 | PNP_IRQ0, 0xfff0, }, |
| /* RTC-like Timer (RCTC) */ |
| { NULL, ITE_RTCT, PNP_IO0 | PNP_IO1 | PNP_IO2 | PNP_IO3 | PNP_IRQ0, |
| 0xfffe, 0xfffe, 0xfffe, 0xfffe, }, |
| /* Power Management I/F Channel 1 (PMC1) */ |
| { NULL, ITE_PMC1, PNP_IO0 | PNP_IO1 | PNP_IRQ0, 0x07ff, 0x07ff, }, |
| /* Power Management I/F Channel 2 (PMC2) */ |
| { NULL, ITE_PMC2, PNP_IO0 | PNP_IO1 | PNP_IO2 | PNP_IRQ0, 0x07fc, |
| 0x07fc, 0xfff0, }, |
| /* Serial Peripheral Interface (SSPI) */ |
| { NULL, ITE_SSPI, PNP_IO0 | PNP_IRQ0, 0xfff8, }, |
| /* Platform Environment Control Interface (PECI) */ |
| { NULL, ITE_PECI, PNP_IRQ0, 0xfff8, }, |
| /* Power Management I/F Channel 3 (PMC3) */ |
| { NULL, ITE_PMC3, PNP_IO0 | PNP_IO1 | PNP_IRQ0, 0x07ff, 0x07ff, }, |
| /* Power Management I/F Channel 4 (PMC4) */ |
| { NULL, ITE_PMC4, PNP_IO0 | PNP_IO1 | PNP_IRQ0, 0x07ff, 0x07ff, }, |
| /* Power Management I/F Channel 5 (PMC5) */ |
| { NULL, ITE_PMC5, PNP_IO0 | PNP_IO1 | PNP_IRQ0, 0x07ff, 0x07ff, }, |
| }; |
| |
| static void enable_dev(struct device *dev) |
| { |
| pnp_enable_devices(dev, &ops, ARRAY_SIZE(pnp_dev_info), pnp_dev_info); |
| } |
| |
| struct chip_operations ec_starlabs_merlin_ops = { |
| CHIP_NAME("ITE EC") |
| .enable_dev = enable_dev |
| }; |