1b7019ac5SIlia Mirkin /* SPDX-License-Identifier: MIT */ 2c39f472eSBen Skeggs #ifndef __NVBIOS_GPIO_H__ 3c39f472eSBen Skeggs #define __NVBIOS_GPIO_H__ 4c39f472eSBen Skeggs enum dcb_gpio_func_name { 5c39f472eSBen Skeggs DCB_GPIO_PANEL_POWER = 0x01, 6e79ef1c0SMark Menzynski DCB_GPIO_FAN = 0x09, 7c39f472eSBen Skeggs DCB_GPIO_TVDAC0 = 0x0c, 8940794b3SMark Menzynski DCB_GPIO_THERM_EXT_POWER_EVENT = 0x10, 9c39f472eSBen Skeggs DCB_GPIO_TVDAC1 = 0x2d, 10c39f472eSBen Skeggs DCB_GPIO_FAN_SENSE = 0x3d, 11*3c978f73SMark Menzynski DCB_GPIO_POWER_ALERT = 0x4c, 1272251facSMark Menzynski DCB_GPIO_EXT_POWER_LOW = 0x79, 138d021d71SMartin Peres DCB_GPIO_LOGO_LED_PWM = 0x84, 14c39f472eSBen Skeggs DCB_GPIO_UNUSED = 0xff, 15c39f472eSBen Skeggs DCB_GPIO_VID0 = 0x04, 16c39f472eSBen Skeggs DCB_GPIO_VID1 = 0x05, 17c39f472eSBen Skeggs DCB_GPIO_VID2 = 0x06, 18c39f472eSBen Skeggs DCB_GPIO_VID3 = 0x1a, 19c39f472eSBen Skeggs DCB_GPIO_VID4 = 0x73, 20c39f472eSBen Skeggs DCB_GPIO_VID5 = 0x74, 21c39f472eSBen Skeggs DCB_GPIO_VID6 = 0x75, 22c39f472eSBen Skeggs DCB_GPIO_VID7 = 0x76, 231531dbbbSMartin Peres DCB_GPIO_VID_PWM = 0x81, 24c39f472eSBen Skeggs }; 25c39f472eSBen Skeggs 26c39f472eSBen Skeggs #define DCB_GPIO_LOG_DIR 0x02 27c39f472eSBen Skeggs #define DCB_GPIO_LOG_DIR_OUT 0x00 28c39f472eSBen Skeggs #define DCB_GPIO_LOG_DIR_IN 0x02 29c39f472eSBen Skeggs #define DCB_GPIO_LOG_VAL 0x01 30c39f472eSBen Skeggs #define DCB_GPIO_LOG_VAL_LO 0x00 31c39f472eSBen Skeggs #define DCB_GPIO_LOG_VAL_HI 0x01 32c39f472eSBen Skeggs 33c39f472eSBen Skeggs struct dcb_gpio_func { 34c39f472eSBen Skeggs u8 func; 35c39f472eSBen Skeggs u8 line; 36c39f472eSBen Skeggs u8 log[2]; 37c39f472eSBen Skeggs 38c39f472eSBen Skeggs /* so far, "param" seems to only have an influence on PWM-related 39c39f472eSBen Skeggs * GPIOs such as FAN_CONTROL and PANEL_BACKLIGHT_LEVEL. 40c39f472eSBen Skeggs * if param equals 1, hardware PWM is available 41c39f472eSBen Skeggs * if param equals 0, the host should toggle the GPIO itself 42c39f472eSBen Skeggs */ 43c39f472eSBen Skeggs u8 param; 44c39f472eSBen Skeggs }; 45c39f472eSBen Skeggs 46d390b480SBen Skeggs u16 dcb_gpio_table(struct nvkm_bios *, u8 *ver, u8 *hdr, u8 *cnt, u8 *len); 47d390b480SBen Skeggs u16 dcb_gpio_entry(struct nvkm_bios *, int idx, int ent, u8 *ver, u8 *len); 48d390b480SBen Skeggs u16 dcb_gpio_parse(struct nvkm_bios *, int idx, int ent, u8 *ver, u8 *len, 49c39f472eSBen Skeggs struct dcb_gpio_func *); 50d390b480SBen Skeggs u16 dcb_gpio_match(struct nvkm_bios *, int idx, u8 func, u8 line, 51c39f472eSBen Skeggs u8 *ver, u8 *len, struct dcb_gpio_func *); 52c39f472eSBen Skeggs #endif 53