espi/espi_driver.h at master · nonlinear-labs-dev/espi · GitHub

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
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
#ifndef _ESPI_DRIVER_H_
#define _ESPI_DRIVER_H_

#include <linux/spi/spi.h>
#include <linux/fb.h>

#define ESPI_SCS_NUM	6

#define ESPI_EDIT_PANEL_PORT		0
#define ESPI_EDIT_BUTTONS_DEVICE	2
#define ESPI_EDIT_BOLED_DEVICE		1
#define ESPI_EDIT_ENCODER_DEVICE	3

#define ESPI_SELECTION_PANEL_PORT	1
#define ESPI_SELECTION_BUTTONS_DEVICE	2
#define ESPI_SELECTION_LEDS_DEVICE	1

#define ESPI_RIBBON_LEDS_PORT		3

#define ESPI_PLAY_PANEL_PORT		3
#define ESPI_PLAY_SOLED_DEVICE		2

#define ESPI_EPC_CTRL_STATE_PORT	4
#define ESPI_EPC_CONTROL_DEVICE		1
#define ESPI_EPC_STATE_DEVICE		2

#define ESPI_MAIN_CONTROL_PORT		5
#define ESPI_MAIN_CONTROL_DEVICE	1

#define ESPI_LPC_CTRL_DEVICE		5
#define ESPI_LPC_CTRL_PORT		1


struct oleds_fb_par;

struct espi_driver {
	struct delayed_work work; // This must be the top entry!
	struct device *dev;
	struct spi_device *spidev;

	// espi params
	s32 gpio_scs[ESPI_SCS_NUM];
	s32 gpio_sap;
	s32 gpio_dmx;

	//hw ref dependings
	s8 hw_rev_str[3];
	u8 play_buttons_device;
	u8 ribbon_leds_device;
	u8 espi_gpio_dmx_default;

	//framebuffer params
	struct oleds_fb_par* oleds;

	u8 poll_stage;
};

struct oleds_fb_par {
	u32 height;
	u32 width;
	struct fb_info *info;
	struct espi_driver *espi;
};

void espi_driver_scs_select(struct espi_driver *spi, s32 port, s32 device);
s32 espi_driver_transfer(struct spi_device *dev, struct spi_transfer *xfer);
s32 espi_driver_set_mode(struct spi_device *dev, u16 mode);

/*** encoder ***/
s32 espi_driver_encoder_setup(struct espi_driver *sb);
s32 espi_driver_encoder_cleanup(struct espi_driver *sb);
void espi_driver_encoder_poll(struct espi_driver *p);
/*** display ***/
s32 espi_driver_oleds_fb_setup(struct espi_driver *sb);
s32 espi_driver_oleds_fb_cleanup(struct espi_driver *sb);
void espi_driver_ssd1305_poll(struct espi_driver *p);
void espi_driver_ssd1322_poll(struct espi_driver *p);
/*** ribbon leds ***/
s32 espi_driver_rb_leds_setup(struct espi_driver *sb);
s32 espi_driver_rb_leds_cleanup(struct espi_driver *sb);
void espi_driver_rb_leds_poll(struct espi_driver *p);
/*** buttons ***/
s32 espi_driver_buttons_setup(struct espi_driver *sb);
s32 espi_driver_buttons_cleanup(struct espi_driver *sb);
void espi_driver_pollbuttons(struct espi_driver *p);
/*** leds ***/
s32 espi_driver_leds_setup(struct espi_driver *sb);
s32 espi_driver_leds_cleanup(struct espi_driver *sb);
void espi_driver_leds_poll(struct espi_driver *p);
/*** ePC control and status ***/
s32 espi_driver_epc_ctrl_setup(struct espi_driver *sb);
s32 espi_driver_epc_ctrl_cleanup(struct espi_driver *sb);
void espi_driver_epc_control_poll(struct espi_driver *p);
void espi_driver_epc_status_poll(struct espi_driver *p);
/*** main cpu board control ***/
s32 espi_driver_lpc_ctrl_setup(struct espi_driver *sb);
s32 espi_driver_lpc_ctrl_cleanup(struct espi_driver *sb);
void espi_driver_lpc_ctrl_poll(struct espi_driver *p);

#endif