53 lines
1.5 KiB
C
53 lines
1.5 KiB
C
/* SPDX-License-Identifier: MIT */
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#ifndef __NVBIOS_GPIO_H__
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#define __NVBIOS_GPIO_H__
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enum dcb_gpio_func_name {
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DCB_GPIO_PANEL_POWER = 0x01,
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DCB_GPIO_FAN = 0x09,
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DCB_GPIO_TVDAC0 = 0x0c,
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DCB_GPIO_THERM_EXT_POWER_EVENT = 0x10,
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DCB_GPIO_TVDAC1 = 0x2d,
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DCB_GPIO_FAN_SENSE = 0x3d,
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DCB_GPIO_POWER_ALERT = 0x4c,
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DCB_GPIO_EXT_POWER_LOW = 0x79,
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DCB_GPIO_LOGO_LED_PWM = 0x84,
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DCB_GPIO_UNUSED = 0xff,
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DCB_GPIO_VID0 = 0x04,
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DCB_GPIO_VID1 = 0x05,
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DCB_GPIO_VID2 = 0x06,
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DCB_GPIO_VID3 = 0x1a,
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DCB_GPIO_VID4 = 0x73,
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DCB_GPIO_VID5 = 0x74,
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DCB_GPIO_VID6 = 0x75,
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DCB_GPIO_VID7 = 0x76,
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DCB_GPIO_VID_PWM = 0x81,
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};
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#define DCB_GPIO_LOG_DIR 0x02
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#define DCB_GPIO_LOG_DIR_OUT 0x00
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#define DCB_GPIO_LOG_DIR_IN 0x02
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#define DCB_GPIO_LOG_VAL 0x01
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#define DCB_GPIO_LOG_VAL_LO 0x00
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#define DCB_GPIO_LOG_VAL_HI 0x01
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struct dcb_gpio_func {
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u8 func;
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u8 line;
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u8 log[2];
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/* so far, "param" seems to only have an influence on PWM-related
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* GPIOs such as FAN_CONTROL and PANEL_BACKLIGHT_LEVEL.
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* if param equals 1, hardware PWM is available
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* if param equals 0, the host should toggle the GPIO itself
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*/
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u8 param;
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};
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u16 dcb_gpio_table(struct nvkm_bios *, u8 *ver, u8 *hdr, u8 *cnt, u8 *len);
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u16 dcb_gpio_entry(struct nvkm_bios *, int idx, int ent, u8 *ver, u8 *len);
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u16 dcb_gpio_parse(struct nvkm_bios *, int idx, int ent, u8 *ver, u8 *len,
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struct dcb_gpio_func *);
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u16 dcb_gpio_match(struct nvkm_bios *, int idx, u8 func, u8 line,
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u8 *ver, u8 *len, struct dcb_gpio_func *);
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#endif
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