diff options
Diffstat (limited to 'include/linux/mfd/mcp.h')
| -rw-r--r-- | include/linux/mfd/mcp.h | 69 |
1 files changed, 69 insertions, 0 deletions
diff --git a/include/linux/mfd/mcp.h b/include/linux/mfd/mcp.h new file mode 100644 index 000000000000..ee496708e38b --- /dev/null +++ b/include/linux/mfd/mcp.h | |||
| @@ -0,0 +1,69 @@ | |||
| 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 | #include <mach/dma.h> | ||
| 14 | |||
| 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; | ||
| 29 | int gpio_base; | ||
| 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 | ||
