[linux.git] / include / linux / sigma.h

/*
 * Load firmware files from Analog Devices SigmaStudio
 *
 * Copyright 2009-2011 Analog Devices Inc.
 *
 * Licensed under the GPL-2 or later.
 */

#ifndef __SIGMA_FIRMWARE_H__
#define __SIGMA_FIRMWARE_H__

#include <linux/firmware.h>
#include <linux/types.h>

struct i2c_client;

#define SIGMA_MAGIC "ADISIGM"

struct sigma_firmware {
	const struct firmware *fw;
	size_t pos;
};

struct sigma_firmware_header {
	unsigned char magic[7];
	u8 version;
	__le32 crc;
};

enum {
	SIGMA_ACTION_WRITEXBYTES = 0,
	SIGMA_ACTION_WRITESINGLE,
	SIGMA_ACTION_WRITESAFELOAD,
	SIGMA_ACTION_DELAY,
	SIGMA_ACTION_PLLWAIT,
	SIGMA_ACTION_NOOP,
	SIGMA_ACTION_END,
};

struct sigma_action {
	u8 instr;
	u8 len_hi;
	__le16 len;
	__be16 addr;
	unsigned char payload[];
};

static inline u32 sigma_action_len(struct sigma_action *sa)
{
	return (sa->len_hi << 16) | le16_to_cpu(sa->len);
}

extern int process_sigma_firmware(struct i2c_client *client, const char *name);

#endif
Commit	Line	Data
e359dc24 MF	1	/*
	2	* Load firmware files from Analog Devices SigmaStudio
	3	*
	4	* Copyright 2009-2011 Analog Devices Inc.
	5	*
	6	* Licensed under the GPL-2 or later.
	7	*/
	8
	9	#ifndef __SIGMA_FIRMWARE_H__
	10	#define __SIGMA_FIRMWARE_H__
	11
	12	#include <linux/firmware.h>
	13	#include <linux/types.h>
	14
	15	struct i2c_client;
	16
	17	#define SIGMA_MAGIC "ADISIGM"
	18
	19	struct sigma_firmware {
	20	const struct firmware *fw;
	21	size_t pos;
	22	};
	23
	24	struct sigma_firmware_header {
	25	unsigned char magic[7];
	26	u8 version;
bda63586	27	__le32 crc;
e359dc24 MF	28	};
	29
	30	enum {
	31	SIGMA_ACTION_WRITEXBYTES = 0,
	32	SIGMA_ACTION_WRITESINGLE,
	33	SIGMA_ACTION_WRITESAFELOAD,
	34	SIGMA_ACTION_DELAY,
	35	SIGMA_ACTION_PLLWAIT,
	36	SIGMA_ACTION_NOOP,
	37	SIGMA_ACTION_END,
	38	};
	39
	40	struct sigma_action {
	41	u8 instr;
	42	u8 len_hi;
bda63586 LPC	43	__le16 len;
bda63586 LPC	44	__be16 addr;
e359dc24 MF	45	unsigned char payload[];
	46	};
	47
	48	static inline u32 sigma_action_len(struct sigma_action *sa)
	49	{
bda63586	50	return (sa->len_hi << 16) \| le16_to_cpu(sa->len);
e359dc24 MF	51	}
e359dc24 MF	52
e359dc24 MF	53	extern int process_sigma_firmware(struct i2c_client client, const char name);
	54
	55	#endif