diff options
Diffstat (limited to 'drivers/mfd/mcp.h')
-rw-r--r-- | drivers/mfd/mcp.h | 66 |
1 files changed, 66 insertions, 0 deletions
diff --git a/drivers/mfd/mcp.h b/drivers/mfd/mcp.h new file mode 100644 index 000000000000..c093a93b8808 --- /dev/null +++ b/drivers/mfd/mcp.h | |||
@@ -0,0 +1,66 @@ | |||
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; | ||
22 | dma_device_t dma_audio_rd; | ||
23 | dma_device_t dma_audio_wr; | ||
24 | dma_device_t dma_telco_rd; | ||
25 | dma_device_t dma_telco_wr; | ||
26 | struct device attached_device; | ||
27 | }; | ||
28 | |||
29 | struct mcp_ops { | ||
30 | void (*set_telecom_divisor)(struct mcp *, unsigned int); | ||
31 | void (*set_audio_divisor)(struct mcp *, unsigned int); | ||
32 | void (*reg_write)(struct mcp *, unsigned int, unsigned int); | ||
33 | unsigned int (*reg_read)(struct mcp *, unsigned int); | ||
34 | void (*enable)(struct mcp *); | ||
35 | void (*disable)(struct mcp *); | ||
36 | }; | ||
37 | |||
38 | void mcp_set_telecom_divisor(struct mcp *, unsigned int); | ||
39 | void mcp_set_audio_divisor(struct mcp *, unsigned int); | ||
40 | void mcp_reg_write(struct mcp *, unsigned int, unsigned int); | ||
41 | unsigned int mcp_reg_read(struct mcp *, unsigned int); | ||
42 | void mcp_enable(struct mcp *); | ||
43 | void mcp_disable(struct mcp *); | ||
44 | #define mcp_get_sclk_rate(mcp) ((mcp)->sclk_rate) | ||
45 | |||
46 | struct mcp *mcp_host_alloc(struct device *, size_t); | ||
47 | int mcp_host_register(struct mcp *); | ||
48 | void mcp_host_unregister(struct mcp *); | ||
49 | |||
50 | struct mcp_driver { | ||
51 | struct device_driver drv; | ||
52 | int (*probe)(struct mcp *); | ||
53 | void (*remove)(struct mcp *); | ||
54 | int (*suspend)(struct mcp *, pm_message_t); | ||
55 | int (*resume)(struct mcp *); | ||
56 | }; | ||
57 | |||
58 | int mcp_driver_register(struct mcp_driver *); | ||
59 | void mcp_driver_unregister(struct mcp_driver *); | ||
60 | |||
61 | #define mcp_get_drvdata(mcp) dev_get_drvdata(&(mcp)->attached_device) | ||
62 | #define mcp_set_drvdata(mcp,d) dev_set_drvdata(&(mcp)->attached_device, d) | ||
63 | |||
64 | #define mcp_priv(mcp) ((void *)((mcp)+1)) | ||
65 | |||
66 | #endif | ||