1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
|
/* SPDX-License-Identifier: GPL-2.0 */
#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_LOGO_LED_PWM = 0x84,
DCB_GPIO_UNUSED = 0xff,
DCB_GPIO_VID0 = 0x04,
DCB_GPIO_VID1 = 0x05,
DCB_GPIO_VID2 = 0x06,
DCB_GPIO_VID3 = 0x1a,
DCB_GPIO_VID4 = 0x73,
DCB_GPIO_VID5 = 0x74,
DCB_GPIO_VID6 = 0x75,
DCB_GPIO_VID7 = 0x76,
DCB_GPIO_VID_PWM = 0x81,
};
#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 nvkm_bios *, u8 *ver, u8 *hdr, u8 *cnt, u8 *len);
u16 dcb_gpio_entry(struct nvkm_bios *, int idx, int ent, u8 *ver, u8 *len);
u16 dcb_gpio_parse(struct nvkm_bios *, int idx, int ent, u8 *ver, u8 *len,
struct dcb_gpio_func *);
u16 dcb_gpio_match(struct nvkm_bios *, int idx, u8 func, u8 line,
u8 *ver, u8 *len, struct dcb_gpio_func *);
#endif
|
