1#ifndef __NVBIOS_GPIO_H__
2#define __NVBIOS_GPIO_H__
3enum dcb_gpio_func_name {
4	DCB_GPIO_PANEL_POWER = 0x01,
5	DCB_GPIO_TVDAC0 = 0x0c,
6	DCB_GPIO_TVDAC1 = 0x2d,
7	DCB_GPIO_FAN = 0x09,
8	DCB_GPIO_FAN_SENSE = 0x3d,
9	DCB_GPIO_UNUSED = 0xff,
10	DCB_GPIO_VID0 = 0x04,
11	DCB_GPIO_VID1 = 0x05,
12	DCB_GPIO_VID2 = 0x06,
13	DCB_GPIO_VID3 = 0x1a,
14	DCB_GPIO_VID4 = 0x73,
15	DCB_GPIO_VID5 = 0x74,
16	DCB_GPIO_VID6 = 0x75,
17	DCB_GPIO_VID7 = 0x76,
18};
19
20#define DCB_GPIO_LOG_DIR     0x02
21#define DCB_GPIO_LOG_DIR_OUT 0x00
22#define DCB_GPIO_LOG_DIR_IN  0x02
23#define DCB_GPIO_LOG_VAL     0x01
24#define DCB_GPIO_LOG_VAL_LO  0x00
25#define DCB_GPIO_LOG_VAL_HI  0x01
26
27struct dcb_gpio_func {
28	u8 func;
29	u8 line;
30	u8 log[2];
31
32	/* so far, "param" seems to only have an influence on PWM-related
33	 * GPIOs such as FAN_CONTROL and PANEL_BACKLIGHT_LEVEL.
34	 * if param equals 1, hardware PWM is available
35	 * if param equals 0, the host should toggle the GPIO itself
36	 */
37	u8 param;
38};
39
40u16 dcb_gpio_table(struct nvkm_bios *, u8 *ver, u8 *hdr, u8 *cnt, u8 *len);
41u16 dcb_gpio_entry(struct nvkm_bios *, int idx, int ent, u8 *ver, u8 *len);
42u16 dcb_gpio_parse(struct nvkm_bios *, int idx, int ent, u8 *ver, u8 *len,
43		   struct dcb_gpio_func *);
44u16 dcb_gpio_match(struct nvkm_bios *, int idx, u8 func, u8 line,
45		   u8 *ver, u8 *len, struct dcb_gpio_func *);
46#endif
47