#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_UNUSED = 0xff }; #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 nouveau_bios *, u8 *ver, u8 *hdr, u8 *cnt, u8 *len); u16 dcb_gpio_entry(struct nouveau_bios *, int idx, int ent, u8 *ver, u8 *len); u16 dcb_gpio_parse(struct nouveau_bios *, int idx, int ent, u8 *ver, u8 *len, struct dcb_gpio_func *); u16 dcb_gpio_match(struct nouveau_bios *, int idx, u8 func, u8 line, u8 *ver, u8 *len, struct dcb_gpio_func *); #endif