projects / deliverable / linux.git / blame
| 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; | |
| 27 | u32 crc; | |
| 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; | |
| 43 | u16 len; | |
| 44 | u16 addr; | |
| 45 | unsigned char payload[]; | |
| 46 | }; | |
| 47 | ||
| 48 | static inline u32 sigma_action_len(struct sigma_action *sa) | |
| 49 | { | |
| 50 | return (sa->len_hi << 16) | sa->len; | |
| 51 | } | |
| 52 | ||
| 53 | static inline size_t sigma_action_size(struct sigma_action *sa, u32 payload_len) | |
| 54 | { | |
| 55 | return sizeof(*sa) + payload_len + (payload_len % 2); | |
| 56 | } | |
| 57 | ||
| 58 | extern int process_sigma_firmware(struct i2c_client *client, const char *name); | |
| 59 | ||
| 60 | #endif |