1 #ifndef __NVBIOS_GPIO_H__ 2 #define __NVBIOS_GPIO_H__ 3 4 enum dcb_gpio_func_name { 5 DCB_GPIO_PANEL_POWER = 0x01, 6 DCB_GPIO_TVDAC0 = 0x0c, 7 DCB_GPIO_TVDAC1 = 0x2d, 8 DCB_GPIO_FAN = 0x09, 9 DCB_GPIO_FAN_SENSE = 0x3d, 10 DCB_GPIO_UNUSED = 0xff 11 }; 12 13 #define DCB_GPIO_LOG_DIR 0x02 14 #define DCB_GPIO_LOG_DIR_OUT 0x00 15 #define DCB_GPIO_LOG_DIR_IN 0x02 16 #define DCB_GPIO_LOG_VAL 0x01 17 #define DCB_GPIO_LOG_VAL_LO 0x00 18 #define DCB_GPIO_LOG_VAL_HI 0x01 19 20 struct dcb_gpio_func { 21 u8 func; 22 u8 line; 23 u8 log[2]; 24 25 /* so far, "param" seems to only have an influence on PWM-related 26 * GPIOs such as FAN_CONTROL and PANEL_BACKLIGHT_LEVEL. 27 * if param equals 1, hardware PWM is available 28 * if param equals 0, the host should toggle the GPIO itself 29 */ 30 u8 param; 31 }; 32 33 u16 dcb_gpio_table(struct nouveau_bios *, u8 *ver, u8 *hdr, u8 *cnt, u8 *len); 34 u16 dcb_gpio_entry(struct nouveau_bios *, int idx, int ent, u8 *ver, u8 *len); 35 u16 dcb_gpio_parse(struct nouveau_bios *, int idx, int ent, u8 *ver, u8 *len, 36 struct dcb_gpio_func *); 37 u16 dcb_gpio_match(struct nouveau_bios *, int idx, u8 func, u8 line, 38 u8 *ver, u8 *len, struct dcb_gpio_func *); 39 40 #endif 41