[linux-2.6-block.git] / include / linux / soc / qcom / smd.h

#ifndef __QCOM_SMD_H__
#define __QCOM_SMD_H__

#include <linux/device.h>
#include <linux/mod_devicetable.h>

struct qcom_smd;
struct qcom_smd_channel;
struct qcom_smd_lookup;

/**
 * struct qcom_smd_id - struct used for matching a smd device
 * @name:	name of the channel
 */
struct qcom_smd_id {
	char name[20];
};

/**
 * struct qcom_smd_device - smd device struct
 * @dev:	the device struct
 * @channel:	handle to the smd channel for this device
 */
struct qcom_smd_device {
	struct device dev;
	struct qcom_smd_channel *channel;
};

/**
 * struct qcom_smd_driver - smd driver struct
 * @driver:	underlying device driver
 * @smd_match_table: static channel match table
 * @probe:	invoked when the smd channel is found
 * @remove:	invoked when the smd channel is closed
 * @callback:	invoked when an inbound message is received on the channel,
 *		should return 0 on success or -EBUSY if the data cannot be
 *		consumed at this time
 */
struct qcom_smd_driver {
	struct device_driver driver;
	const struct qcom_smd_id *smd_match_table;

	int (*probe)(struct qcom_smd_device *dev);
	void (*remove)(struct qcom_smd_device *dev);
	int (*callback)(struct qcom_smd_device *, const void *, size_t);
};

int qcom_smd_driver_register(struct qcom_smd_driver *drv);
void qcom_smd_driver_unregister(struct qcom_smd_driver *drv);

#define module_qcom_smd_driver(__smd_driver) \
	module_driver(__smd_driver, qcom_smd_driver_register, \
		      qcom_smd_driver_unregister)

int qcom_smd_send(struct qcom_smd_channel *channel, const void *data, int len);

#endif
Commit	Line	Data
f2ab3298 BA	1	#ifndef __QCOM_SMD_H__
	2	#define __QCOM_SMD_H__
	3
	4	#include <linux/device.h>
	5	#include <linux/mod_devicetable.h>
	6
	7	struct qcom_smd;
	8	struct qcom_smd_channel;
	9	struct qcom_smd_lookup;
	10
1a7caca2 BA	11	/**
	12	* struct qcom_smd_id - struct used for matching a smd device
	13	* @name: name of the channel
	14	*/
	15	struct qcom_smd_id {
	16	char name[20];
	17	};
	18
f2ab3298 BA	19	/**
	20	* struct qcom_smd_device - smd device struct
	21	* @dev: the device struct
	22	* @channel: handle to the smd channel for this device
	23	*/
	24	struct qcom_smd_device {
	25	struct device dev;
	26	struct qcom_smd_channel *channel;
	27	};
	28
	29	/**
	30	* struct qcom_smd_driver - smd driver struct
	31	* @driver: underlying device driver
1a7caca2	32	* @smd_match_table: static channel match table
f2ab3298 BA	33	* @probe: invoked when the smd channel is found
	34	* @remove: invoked when the smd channel is closed
	35	* @callback: invoked when an inbound message is received on the channel,
	36	* should return 0 on success or -EBUSY if the data cannot be
	37	* consumed at this time
	38	*/
	39	struct qcom_smd_driver {
	40	struct device_driver driver;
1a7caca2 BA	41	const struct qcom_smd_id *smd_match_table;
1a7caca2 BA	42
f2ab3298 BA	43	int (probe)(struct qcom_smd_device dev);
	44	void (remove)(struct qcom_smd_device dev);
	45	int (callback)(struct qcom_smd_device , const void *, size_t);
	46	};
	47
	48	int qcom_smd_driver_register(struct qcom_smd_driver *drv);
	49	void qcom_smd_driver_unregister(struct qcom_smd_driver *drv);
	50
	51	#define module_qcom_smd_driver(__smd_driver) \
	52	module_driver(__smd_driver, qcom_smd_driver_register, \
	53	qcom_smd_driver_unregister)
	54
	55	int qcom_smd_send(struct qcom_smd_channel channel, const void data, int len);
	56
	57	#endif