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/*
* 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;
u32 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;
u16 len;
u16 addr;
unsigned char payload[];
};
static inline u32 sigma_action_len(struct sigma_action *sa)
{
return (sa->len_hi << 16) | sa->len;
}
static inline size_t sigma_action_size(struct sigma_action *sa, u32 payload_len)
{
return sizeof(*sa) + payload_len + (payload_len % 2);
}
extern int process_sigma_firmware(struct i2c_client *client, const char *name);
#endif
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