projects / linux.git / blame
| 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 | ||
| c8602edf TK |
13 | #include <mach/dma.h> |
| 14 | ||
| a4e137ab RK |
15 | struct mcp_ops; |
| 16 | ||
| 17 | struct mcp { | |
| 18 | struct module *owner; | |
| 19 | struct mcp_ops *ops; | |
| 20 | spinlock_t lock; | |
| 21 | int use_count; | |
| 22 | unsigned int sclk_rate; | |
| 23 | unsigned int rw_timeout; | |
| 24 | dma_device_t dma_audio_rd; | |
| 25 | dma_device_t dma_audio_wr; | |
| 26 | dma_device_t dma_telco_rd; | |
| 27 | dma_device_t dma_telco_wr; | |
| 28 | struct device attached_device; | |
| 9ca3dc80 | 29 | int gpio_base; |
| a4e137ab RK |
30 | }; |
| 31 | ||
| 32 | struct mcp_ops { | |
| 33 | void (*set_telecom_divisor)(struct mcp *, unsigned int); | |
| 34 | void (*set_audio_divisor)(struct mcp *, unsigned int); | |
| 35 | void (*reg_write)(struct mcp *, unsigned int, unsigned int); | |
| 36 | unsigned int (*reg_read)(struct mcp *, unsigned int); | |
| 37 | void (*enable)(struct mcp *); | |
| 38 | void (*disable)(struct mcp *); | |
| 39 | }; | |
| 40 | ||
| 41 | void mcp_set_telecom_divisor(struct mcp *, unsigned int); | |
| 42 | void mcp_set_audio_divisor(struct mcp *, unsigned int); | |
| 43 | void mcp_reg_write(struct mcp *, unsigned int, unsigned int); | |
| 44 | unsigned int mcp_reg_read(struct mcp *, unsigned int); | |
| 45 | void mcp_enable(struct mcp *); | |
| 46 | void mcp_disable(struct mcp *); | |
| 47 | #define mcp_get_sclk_rate(mcp) ((mcp)->sclk_rate) | |
| 48 | ||
| 49 | struct mcp *mcp_host_alloc(struct device *, size_t); | |
| 50 | int mcp_host_register(struct mcp *); | |
| 51 | void mcp_host_unregister(struct mcp *); | |
| 52 | ||
| 53 | struct mcp_driver { | |
| 54 | struct device_driver drv; | |
| 55 | int (*probe)(struct mcp *); | |
| 56 | void (*remove)(struct mcp *); | |
| 57 | int (*suspend)(struct mcp *, pm_message_t); | |
| 58 | int (*resume)(struct mcp *); | |
| 59 | }; | |
| 60 | ||
| 61 | int mcp_driver_register(struct mcp_driver *); | |
| 62 | void mcp_driver_unregister(struct mcp_driver *); | |
| 63 | ||
| 64 | #define mcp_get_drvdata(mcp) dev_get_drvdata(&(mcp)->attached_device) | |
| 65 | #define mcp_set_drvdata(mcp,d) dev_set_drvdata(&(mcp)->attached_device, d) | |
| 66 | ||
| 67 | #define mcp_priv(mcp) ((void *)((mcp)+1)) | |
| 68 | ||
| 69 | #endif |