]>
Commit | Line | Data |
---|---|---|
a4e137ab RK |
1 | /* |
2 | * linux/drivers/mfd/mcp.h | |
3 | * | |
4 | * Copyright (C) 2001 Russell King, All Rights Reserved. | |
5 | * | |
6 | * This program is free software; you can redistribute it and/or modify | |
7 | * it under the terms of the GNU General Public License as published by | |
8 | * the Free Software Foundation; either version 2 of the License. | |
9 | */ | |
10 | #ifndef MCP_H | |
11 | #define MCP_H | |
12 | ||
13 | struct mcp_ops; | |
14 | ||
15 | struct mcp { | |
16 | struct module *owner; | |
17 | struct mcp_ops *ops; | |
18 | spinlock_t lock; | |
19 | int use_count; | |
20 | unsigned int sclk_rate; | |
21 | unsigned int rw_timeout; | |
a4e137ab RK |
22 | struct device attached_device; |
23 | }; | |
24 | ||
25 | struct mcp_ops { | |
26 | void (*set_telecom_divisor)(struct mcp *, unsigned int); | |
27 | void (*set_audio_divisor)(struct mcp *, unsigned int); | |
28 | void (*reg_write)(struct mcp *, unsigned int, unsigned int); | |
29 | unsigned int (*reg_read)(struct mcp *, unsigned int); | |
30 | void (*enable)(struct mcp *); | |
31 | void (*disable)(struct mcp *); | |
32 | }; | |
33 | ||
34 | void mcp_set_telecom_divisor(struct mcp *, unsigned int); | |
35 | void mcp_set_audio_divisor(struct mcp *, unsigned int); | |
36 | void mcp_reg_write(struct mcp *, unsigned int, unsigned int); | |
37 | unsigned int mcp_reg_read(struct mcp *, unsigned int); | |
38 | void mcp_enable(struct mcp *); | |
39 | void mcp_disable(struct mcp *); | |
40 | #define mcp_get_sclk_rate(mcp) ((mcp)->sclk_rate) | |
41 | ||
42 | struct mcp *mcp_host_alloc(struct device *, size_t); | |
abe06082 | 43 | int mcp_host_add(struct mcp *, void *); |
30816ac0 RK |
44 | void mcp_host_del(struct mcp *); |
45 | void mcp_host_free(struct mcp *); | |
a4e137ab RK |
46 | |
47 | struct mcp_driver { | |
48 | struct device_driver drv; | |
49 | int (*probe)(struct mcp *); | |
50 | void (*remove)(struct mcp *); | |
a4e137ab RK |
51 | }; |
52 | ||
53 | int mcp_driver_register(struct mcp_driver *); | |
54 | void mcp_driver_unregister(struct mcp_driver *); | |
55 | ||
56 | #define mcp_get_drvdata(mcp) dev_get_drvdata(&(mcp)->attached_device) | |
57 | #define mcp_set_drvdata(mcp,d) dev_set_drvdata(&(mcp)->attached_device, d) | |
58 | ||
2a7f51a3 RK |
59 | static inline void *mcp_priv(struct mcp *mcp) |
60 | { | |
61 | return mcp + 1; | |
62 | } | |
a4e137ab RK |
63 | |
64 | #endif |