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
|
/*
*
* Permission to use, copy, modify, and/or distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
#ifndef __GSBI_H_
#define __GSBI_H_
/* GSBI Registers */
#define GSBI_CTRL_REG(base) ((base) + 0x0)
#define GSBI_CTRL_REG_PROTOCOL_CODE_S 4
#define GSBI_PROTOCOL_CODE_I2C 0x2
#define GSBI_PROTOCOL_CODE_SPI 0x3
#define GSBI_PROTOCOL_CODE_UART_FLOW 0x4
#define GSBI_PROTOCOL_CODE_I2C_UART 0x6
#define GSBI_HCLK_CTL_S 4
#define GSBI_HCLK_CTL_CLK_ENA 0x1
typedef enum {
GSBI_ID_1 = 1,
GSBI_ID_2,
GSBI_ID_3,
GSBI_ID_4,
GSBI_ID_5,
GSBI_ID_6,
GSBI_ID_7,
} gsbi_id_t;
typedef enum {
GSBI_SUCCESS = 0,
GSBI_ID_ERROR,
GSBI_ERROR,
GSBI_UNSUPPORTED
} gsbi_return_t;
typedef enum {
GSBI_PROTO_I2C_UIM = 1,
GSBI_PROTO_I2C_ONLY,
GSBI_PROTO_SPI_ONLY,
GSBI_PROTO_UART_FLOW_CTL,
GSBI_PROTO_UIM,
GSBI_PROTO_I2C_UART,
} gsbi_protocol_t;
gsbi_return_t gsbi_init(gsbi_id_t gsbi_id, gsbi_protocol_t protocol);
int gsbi_init_board(gsbi_id_t gsbi_id);
#endif
|
