| /* SPDX-License-Identifier: MIT */ |
| #ifndef __NVBIOS_GPIO_H__ |
| #define __NVBIOS_GPIO_H__ |
| enum dcb_gpio_func_name { |
| DCB_GPIO_PANEL_POWER = 0x01, |
| DCB_GPIO_TVDAC0 = 0x0c, |
| DCB_GPIO_TVDAC1 = 0x2d, |
| DCB_GPIO_FAN = 0x09, |
| DCB_GPIO_FAN_SENSE = 0x3d, |
| DCB_GPIO_LOGO_LED_PWM = 0x84, |
| DCB_GPIO_UNUSED = 0xff, |
| DCB_GPIO_VID0 = 0x04, |
| DCB_GPIO_VID1 = 0x05, |
| DCB_GPIO_VID2 = 0x06, |
| DCB_GPIO_VID3 = 0x1a, |
| DCB_GPIO_VID4 = 0x73, |
| DCB_GPIO_VID5 = 0x74, |
| DCB_GPIO_VID6 = 0x75, |
| DCB_GPIO_VID7 = 0x76, |
| DCB_GPIO_VID_PWM = 0x81, |
| }; |
| |
| #define DCB_GPIO_LOG_DIR 0x02 |
| #define DCB_GPIO_LOG_DIR_OUT 0x00 |
| #define DCB_GPIO_LOG_DIR_IN 0x02 |
| #define DCB_GPIO_LOG_VAL 0x01 |
| #define DCB_GPIO_LOG_VAL_LO 0x00 |
| #define DCB_GPIO_LOG_VAL_HI 0x01 |
| |
| struct dcb_gpio_func { |
| u8 func; |
| u8 line; |
| u8 log[2]; |
| |
| /* so far, "param" seems to only have an influence on PWM-related |
| * GPIOs such as FAN_CONTROL and PANEL_BACKLIGHT_LEVEL. |
| * if param equals 1, hardware PWM is available |
| * if param equals 0, the host should toggle the GPIO itself |
| */ |
| u8 param; |
| }; |
| |
| u16 dcb_gpio_table(struct nvkm_bios *, u8 *ver, u8 *hdr, u8 *cnt, u8 *len); |
| u16 dcb_gpio_entry(struct nvkm_bios *, int idx, int ent, u8 *ver, u8 *len); |
| u16 dcb_gpio_parse(struct nvkm_bios *, int idx, int ent, u8 *ver, u8 *len, |
| struct dcb_gpio_func *); |
| u16 dcb_gpio_match(struct nvkm_bios *, int idx, u8 func, u8 line, |
| u8 *ver, u8 *len, struct dcb_gpio_func *); |
| #endif |
