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/*
* wmfw.h - Wolfson firmware format information
*
* Copyright 2012 Wolfson Microelectronics plc
*
* Author: Mark Brown <broonie@opensource.wolfsonmicro.com>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*/
#ifndef __WMFW_H
#define __WMFW_H
#include <linux/types.h>
#define WMFW_MAX_ALG_NAME 256
#define WMFW_MAX_ALG_DESCR_NAME 256
#define WMFW_MAX_COEFF_NAME 256
#define WMFW_MAX_COEFF_DESCR_NAME 256
#define WMFW_CTL_FLAG_SYS 0x8000
#define WMFW_CTL_FLAG_VOLATILE 0x0004
#define WMFW_CTL_FLAG_WRITEABLE 0x0002
#define WMFW_CTL_FLAG_READABLE 0x0001
/* Non-ALSA coefficient types start at 0x1000 */
#define WMFW_CTL_TYPE_ACKED 0x1000 /* acked control */
#define WMFW_CTL_TYPE_HOSTEVENT 0x1001 /* event control */
struct wmfw_header {
char magic[4];
__le32 len;
__le16 rev;
u8 core;
u8 ver;
} __packed;
struct wmfw_footer {
__le64 timestamp;
__le32 checksum;
} __packed;
struct wmfw_adsp1_sizes {
__le32 dm;
__le32 pm;
__le32 zm;
} __packed;
struct wmfw_adsp2_sizes {
__le32 xm;
__le32 ym;
__le32 pm;
__le32 zm;
} __packed;
struct wmfw_region {
union {
__be32 type;
__le32 offset;
};
__le32 len;
u8 data[];
} __packed;
struct wmfw_id_hdr {
__be32 core_id;
__be32 core_rev;
__be32 id;
__be32 ver;
} __packed;
struct wmfw_adsp1_id_hdr {
struct wmfw_id_hdr fw;
__be32 zm;
__be32 dm;
__be32 n_algs;
} __packed;
struct wmfw_adsp2_id_hdr {
struct wmfw_id_hdr fw;
__be32 zm;
__be32 xm;
__be32 ym;
__be32 n_algs;
} __packed;
struct wmfw_alg_hdr {
__be32 id;
__be32 ver;
} __packed;
struct wmfw_adsp1_alg_hdr {
struct wmfw_alg_hdr alg;
__be32 zm;
__be32 dm;
} __packed;
struct wmfw_adsp2_alg_hdr {
struct wmfw_alg_hdr alg;
__be32 zm;
__be32 xm;
__be32 ym;
} __packed;
struct wmfw_adsp_alg_data {
__le32 id;
u8 name[WMFW_MAX_ALG_NAME];
u8 descr[WMFW_MAX_ALG_DESCR_NAME];
__le32 ncoeff;
u8 data[];
} __packed;
struct wmfw_adsp_coeff_data {
struct {
__le16 offset;
__le16 type;
__le32 size;
} hdr;
u8 name[WMFW_MAX_COEFF_NAME];
u8 descr[WMFW_MAX_COEFF_DESCR_NAME];
__le16 ctl_type;
__le16 flags;
__le32 len;
u8 data[];
} __packed;
struct wmfw_coeff_hdr {
u8 magic[4];
__le32 len;
union {
__be32 rev;
__le32 ver;
};
union {
__be32 core;
__le32 core_ver;
};
u8 data[];
} __packed;
struct wmfw_coeff_item {
__le16 offset;
__le16 type;
__le32 id;
__le32 ver;
__le32 sr;
__le32 len;
u8 data[];
} __packed;
#define WMFW_ADSP1 1
#define WMFW_ADSP2 2
#define WMFW_ABSOLUTE 0xf0
#define WMFW_ALGORITHM_DATA 0xf2
#define WMFW_NAME_TEXT 0xfe
#define WMFW_INFO_TEXT 0xff
#define WMFW_ADSP1_PM 2
#define WMFW_ADSP1_DM 3
#define WMFW_ADSP1_ZM 4
#define WMFW_ADSP2_PM 2
#define WMFW_ADSP2_ZM 4
#define WMFW_ADSP2_XM 5
#define WMFW_ADSP2_YM 6
#endif
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